diff --git a/lib/nutalk.hoon b/lib/nutalk.hoon
index 8bedea7c7b..67a446aadf 100644
--- a/lib/nutalk.hoon
+++ b/lib/nutalk.hoon
@@ -11,19 +11,16 @@
       ;div.container.header-container
         ;div.row
           ;div.col-sm-1
-            ;a/"menu"
+            ;a/"/~~/pages/nutalk/menu"
               ;div.panini;
             ==
           ==
           ;div.col-sm-1
-            ;div.liang;
-          ==
-          ;div.col-sm-1
-            ;h3.underline.text-gray
-              ;a/"/~~/pages/nutalk": Inbox
+            ;a/"/~~/pages/nutalk"
+              ;div.liang;
             ==
           ==
-          ;div(urb-component-header "");
+          ;div.col-sm-10(urb-component-header "");
         ==
       ==
       ;div.container
diff --git a/ren/urb.hoon b/ren/urb.hoon
index 3f61b3059d..8dac319c33 100644
--- a/ren/urb.hoon
+++ b/ren/urb.hoon
@@ -5,7 +5,14 @@
       nutalk        ::FIXME write ren/urb/nutalk
 /%    /^  {hed/{@uvH marl} bod/{@uvH marl}}
       /,      /web/pages/nutalk
-          /;  urb-split  /#  /;  nutalk  /!htm/
+          ::/;  urb-split  /#  /;  nutalk  /!htm/
+          /;  |=  {dep/@uvH urb/manx}  ^-  {hed/{@uvh marl} bod/{@uvH marl}}
+              ~|  [%malformed-urb urb]  :: XX types
+              ?>  ?=({{$html $~} {{$head $~} *} {{$body $~} *} $~} urb)
+              =+  `{{$html $~} {{$head $~} hed/marl} {{$body $~} bod/marl} $~}`urb
+              :-  [0v0 hed]                         
+              [0v0 bod]
+              /#  /;  nutalk  /|(/!htm/ /htm/)  ::a lot of stuff in here isn't .hoon files
               /web/pages
           /;  urb-split  /#  /!hymn/
               /web/collections
diff --git a/web/pages/nutalk/css/index.css b/web/pages/nutalk/css/index.css
index 1c3bf4fed6..2ccda5aa8c 100644
--- a/web/pages/nutalk/css/index.css
+++ b/web/pages/nutalk/css/index.css
@@ -1,2 +1,2 @@
 @charset "UTF-8";
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.liang{cursor:pointer}.nav-main{position:fixed;display:flex;bottom:4rem;width:960px;justify-content:center;list-style-type:none}.nav-main li{margin:0 2rem}.header-container{padding:12rem 2rem 9rem}.header-main{display:flex;align-items:center}.header-page{text-decoration:underline;color:#9b9b9b;display:inline}.header-subpage{display:flex;align-items:center}.header-sep{margin:0 12rem;display:inline}.header-settings{margin-left:30rem}.inbox-feed{height:10rem;position:relative;top:1px}.page-notes-edit textarea{border:none;height:800px}.page-notes-index h1{margin-top:0}.notes-actions .btn-secondary{margin-right:10rem}.note-timestamp{position:absolute;left:-16rem;top:3rem}.notes-blurbs{margin-top:8rem}.notes-blurbs li{display:flex;position:relative;margin:4rem 0}.create-stream-page .minus,.create-stream-page .plus{font-size:28px;font-weight:700;cursor:pointer}.create-stream-page .plus{line-height:41px}.create-stream-page .input-group i{padding-top:2rem}.create-stream-page textarea{border:6px solid #000}.create-stream-page input[type=text]{border:3px solid #000}.create-stream-page input[type=text].input-text-lg{border:6px solid #000;font-size:9rem;line-height:18rem;padding:0 4rem}.create-stream-page label{font-size:6rem;line-height:9rem;font-weight:500}.create-stream-page .input-group-radio label{padding-top:0;height:18rem;width:38rem;font-size:9rem;line-height:18rem;text-align:center}.chat-container .col-sm-2{flex-basis:43rem;max-width:43rem}.chat-input-field[type=text]{border:none;padding:0;line-height:6rem}.chat-input-field:placeholder{color:#b0b0b0}.chat-sep{text-align:center;font-weight:600;margin:4rem}.chat-msg-app,.chat-msg-app *{color:#9b9b9b}.cir-status{width:2rem;height:2rem;border-radius:100%;display:inline-block;position:relative;bottom:1px}.cir-green{background-color:#8eee9c}.cir-black,.cir-grey{background-color:#b0b0b0}.cir-red{background-color:#f44}.chat-scrollpane-view{display:flex;flex-direction:column}.chat-scrollpane-view>*{flex-shrink:0}.chat-scrollpane-view>:first-child{margin-top:auto!important}.scrollpane{height:600px;overflow-y:scroll;overflow-x:hidden;display:flex;flex-direction:column}.scrollpane>*{flex-shrink:0}.scrollpane>:first-child{margin-top:auto!important}textarea.post-edit{height:80%;border:none;resize:none;padding:8rem 12rem}textarea.comment-edit{border:none;resize:none;padding:0}.coms ol{counter-reset:a -1}.coms ol>li:before{font-weight:400;position:absolute;font-family:Source Code Pro,Roboto mono,Courier New,monospace;color:#9b9b9b}.coms ol>li>div.da{color:#9b9b9b}.create-comment button.disabled{display:none}.create-comment .usership{color:#000}div.coll-title,div.mod{font-size:6rem}.collection-index li.forum:before{content:"•";position:absolute;font-size:10rem;margin-left:-12rem;margin-top:9rem}.collection-index li.forum .meta-cont>div{float:left}.collection-index li.blog:before{content:"•";position:absolute;font-size:10rem;margin-left:-12rem;margin-top:11rem}.collection-index li.notes .da{position:absolute;margin-left:-12rem;margin-top:1rem}.collection-index .note-uuid{font-weight:inherit}.collection-index img,.post img{width:100%}.post #edit{display:none}.profile li.profile:before{content:"•";position:absolute;font-size:10rem;margin-left:-12rem;margin-top:4rem}.menu-page{margin-top:48px;margin-left:-166px}.menu-page .circle{padding:0;border-width:8px;height:30px;width:30px}.menu-anchor{display:flex;align-items:center;text-decoration:none}.menu-canvas{position:absolute;left:0;right:0;top:0;bottom:0;background-color:#fff},.menu-canvas .cross,.menu-canvas .cross:after,.menu-canvas .cross:before{border-color:red!important}
\ No newline at end of file
diff --git a/web/pages/nutalk/js/index.js b/web/pages/nutalk/js/index.js
index 037bf4bc15..949b6d95bb 100644
--- a/web/pages/nutalk/js/index.js
+++ b/web/pages/nutalk/js/index.js
@@ -7732,6 +7732,17 @@ define(String.prototype, "padRight", "".padEnd);
   [][key] && define(Array, key, Function.call.bind([][key]));
 });
 
+Object.arrayify = function (obj) {
+  var ret = [];
+  Object.keys(obj).forEach(function (key) {
+    ret.push({
+      key: key,
+      value: obj[key]
+    });
+  });
+  return ret;
+};
+
 function _AwaitValue(value) {
   this.wrapped = value;
 }
@@ -7870,6 +7881,24 @@ function _defineProperty(obj, key, value) {
   return obj;
 }
 
+function _extends() {
+  _extends = Object.assign || function (target) {
+    for (var i = 1; i < arguments.length; i++) {
+      var source = arguments[i];
+
+      for (var key in source) {
+        if (Object.prototype.hasOwnProperty.call(source, key)) {
+          target[key] = source[key];
+        }
+      }
+    }
+
+    return target;
+  };
+
+  return _extends.apply(this, arguments);
+}
+
 function _inherits(subClass, superClass) {
   if (typeof superClass !== "function" && superClass !== null) {
     throw new TypeError("Super expression must either be null or a function");
@@ -7898,16 +7927,6 @@ function _possibleConstructorReturn(self, call) {
   return self;
 }
 
-function _toConsumableArray(arr) {
-  if (Array.isArray(arr)) {
-    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
-
-    return arr2;
-  } else {
-    return Array.from(arr);
-  }
-}
-
 /*
 object-assign
 (c) Sindre Sorhus
@@ -8077,23 +8096,23 @@ var emptyFunction$1 = Object.freeze({
 
 var require$$0$30 = ( objectAssign$2 && objectAssign ) || objectAssign$2;
 
-var require$$11 = ( emptyObject$1 && emptyObject_1 ) || emptyObject$1;
+var require$$10 = ( emptyObject$1 && emptyObject_1 ) || emptyObject$1;
 
 var emptyFunction$2 = ( emptyFunction$1 && emptyFunction_1 ) || emptyFunction$1;
 
-'use strict';var q="function"===typeof Symbol&&Symbol["for"]; var r=q?Symbol["for"]("react.element"):60103; var t=q?Symbol["for"]("react.call"):60104; var u=q?Symbol["for"]("react.return"):60105; var v=q?Symbol["for"]("react.portal"):60106; var w=q?Symbol["for"]("react.fragment"):60107; var x="function"===typeof Symbol&&Symbol.iterator;
-function y(a){for(var b=arguments.length-1,e="Minified React error #"+a+"; visit http://facebook.github.io/react/docs/error-decoder.html?invariant\x3d"+a,c=0;c<b;c++)e+="\x26args[]\x3d"+encodeURIComponent(arguments[c+1]);b=Error(e+" for the full message or use the non-minified dev environment for full errors and additional helpful warnings.");b.name="Invariant Violation";b.framesToPop=1;throw b;}
-var z={isMounted:function(){return!1},enqueueForceUpdate:function(){},enqueueReplaceState:function(){},enqueueSetState:function(){}};function A(a,b,e){this.props=a;this.context=b;this.refs=require$$11;this.updater=e||z;}A.prototype.isReactComponent={};A.prototype.setState=function(a,b){"object"!==typeof a&&"function"!==typeof a&&null!=a?y("85"):void 0;this.updater.enqueueSetState(this,a,b,"setState");};A.prototype.forceUpdate=function(a){this.updater.enqueueForceUpdate(this,a,"forceUpdate");};
-function B(a,b,e){this.props=a;this.context=b;this.refs=require$$11;this.updater=e||z;}function C(){}C.prototype=A.prototype;var D=B.prototype=new C;D.constructor=B;require$$0$30(D,A.prototype);D.isPureReactComponent=!0;function E(a,b,e){this.props=a;this.context=b;this.refs=require$$11;this.updater=e||z;}var F=E.prototype=new C;F.constructor=E;require$$0$30(F,A.prototype);F.unstable_isAsyncReactComponent=!0;F.render=function(){return this.props.children};var G={current:null}; var H=Object.prototype.hasOwnProperty; var I={key:!0,ref:!0,__self:!0,__source:!0};
-function J(a,b,e){var c,d={},g=null,k=null;if(null!=b)for(c in void 0!==b.ref&&(k=b.ref),void 0!==b.key&&(g=""+b.key),b)H.call(b,c)&&!I.hasOwnProperty(c)&&(d[c]=b[c]);var f=arguments.length-2;if(1===f)d.children=e;else if(1<f){for(var h=Array(f),l=0;l<f;l++)h[l]=arguments[l+2];d.children=h;}if(a&&a.defaultProps)for(c in f=a.defaultProps,f)void 0===d[c]&&(d[c]=f[c]);return{$$typeof:r,type:a,key:g,ref:k,props:d,_owner:G.current}}function K(a){return"object"===typeof a&&null!==a&&a.$$typeof===r}
-function escape(a){var b={"\x3d":"\x3d0",":":"\x3d2"};return"$"+(""+a).replace(/[=:]/g,function(a){return b[a]})}var L=/\/+/g; var M=[];function N(a,b,e,c){if(M.length){var d=M.pop();d.result=a;d.keyPrefix=b;d.func=e;d.context=c;d.count=0;return d}return{result:a,keyPrefix:b,func:e,context:c,count:0}}function O(a){a.result=null;a.keyPrefix=null;a.func=null;a.context=null;a.count=0;10>M.length&&M.push(a);}
-function P(a,b,e,c){var d=typeof a;if("undefined"===d||"boolean"===d)a=null;var g=!1;if(null===a)g=!0;else switch(d){case "string":case "number":g=!0;break;case "object":switch(a.$$typeof){case r:case t:case u:case v:g=!0;}}if(g)return e(c,a,""===b?"."+Q(a,0):b),1;g=0;b=""===b?".":b+":";if(Array.isArray(a))for(var k=0;k<a.length;k++){d=a[k];var f=b+Q(d,k);g+=P(d,f,e,c);}else if(null===a||"undefined"===typeof a?f=null:(f=x&&a[x]||a["@@iterator"],f="function"===typeof f?f:null),"function"===typeof f)for(a=
-f.call(a),k=0;!(d=a.next()).done;)d=d.value,f=b+Q(d,k++),g+=P(d,f,e,c);else"object"===d&&(e=""+a,y("31","[object Object]"===e?"object with keys {"+Object.keys(a).join(", ")+"}":e,""));return g}function Q(a,b){return"object"===typeof a&&null!==a&&null!=a.key?escape(a.key):b.toString(36)}function R(a,b){a.func.call(a.context,b,a.count++);}
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-var U={Children:{map:function(a,b,e){if(null==a)return a;var c=[];T(a,c,null,b,e);return c},forEach:function(a,b,e){if(null==a)return a;b=N(null,null,b,e);null==a||P(a,"",R,b);O(b);},count:function(a){return null==a?0:P(a,"",emptyFunction$2.thatReturnsNull,null)},toArray:function(a){var b=[];T(a,b,null,emptyFunction$2.thatReturnsArgument);return b},only:function(a){K(a)?void 0:y("143");return a}},Component:A,PureComponent:B,unstable_AsyncComponent:E,Fragment:w,createElement:J,cloneElement:function(a,b,e){var c=require$$0$30({},a.props),
-d=a.key,g=a.ref,k=a._owner;if(null!=b){void 0!==b.ref&&(g=b.ref,k=G.current);void 0!==b.key&&(d=""+b.key);if(a.type&&a.type.defaultProps)var f=a.type.defaultProps;for(h in b)H.call(b,h)&&!I.hasOwnProperty(h)&&(c[h]=void 0===b[h]&&void 0!==f?f[h]:b[h]);}var h=arguments.length-2;if(1===h)c.children=e;else if(1<h){f=Array(h);for(var l=0;l<h;l++)f[l]=arguments[l+2];c.children=f;}return{$$typeof:r,type:a.type,key:d,ref:g,props:c,_owner:k}},createFactory:function(a){var b=J.bind(null,a);b.type=a;return b},
-isValidElement:K,version:"16.2.0",__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED:{ReactCurrentOwner:G,assign:require$$0$30}};
-var V=Object.freeze({default:U});
+'use strict';var q="function"===typeof Symbol&&Symbol["for"]; var r=q?Symbol["for"]("react.element"):60103; var t=q?Symbol["for"]("react.portal"):60106; var u=q?Symbol["for"]("react.fragment"):60107; var v=q?Symbol["for"]("react.strict_mode"):60108; var w=q?Symbol["for"]("react.provider"):60109; var x=q?Symbol["for"]("react.context"):60110; var y=q?Symbol["for"]("react.async_mode"):60111; var z=q?Symbol["for"]("react.forward_ref"):60112; var A="function"===
+typeof Symbol&&Symbol.iterator;function B(a){for(var b=arguments.length-1,e="Minified React error #"+a+"; visit http://facebook.github.io/react/docs/error-decoder.html?invariant\x3d"+a,c=0;c<b;c++)e+="\x26args[]\x3d"+encodeURIComponent(arguments[c+1]);b=Error(e+" for the full message or use the non-minified dev environment for full errors and additional helpful warnings.");b.name="Invariant Violation";b.framesToPop=1;throw b;}
+var C={isMounted:function(){return!1},enqueueForceUpdate:function(){},enqueueReplaceState:function(){},enqueueSetState:function(){}};function D(a,b,e){this.props=a;this.context=b;this.refs=require$$10;this.updater=e||C;}D.prototype.isReactComponent={};D.prototype.setState=function(a,b){"object"!==typeof a&&"function"!==typeof a&&null!=a?B("85"):void 0;this.updater.enqueueSetState(this,a,b,"setState");};D.prototype.forceUpdate=function(a){this.updater.enqueueForceUpdate(this,a,"forceUpdate");};function E(){}
+E.prototype=D.prototype;function F(a,b,e){this.props=a;this.context=b;this.refs=require$$10;this.updater=e||C;}var G=F.prototype=new E;G.constructor=F;require$$0$30(G,D.prototype);G.isPureReactComponent=!0;var H={current:null}; var I=Object.prototype.hasOwnProperty; var J={key:!0,ref:!0,__self:!0,__source:!0};
+function K(a,b,e){var c=void 0,d={},g=null,h=null;if(null!=b)for(c in void 0!==b.ref&&(h=b.ref),void 0!==b.key&&(g=""+b.key),b)I.call(b,c)&&!J.hasOwnProperty(c)&&(d[c]=b[c]);var f=arguments.length-2;if(1===f)d.children=e;else if(1<f){for(var k=Array(f),l=0;l<f;l++)k[l]=arguments[l+2];d.children=k;}if(a&&a.defaultProps)for(c in f=a.defaultProps,f)void 0===d[c]&&(d[c]=f[c]);return{$$typeof:r,type:a,key:g,ref:h,props:d,_owner:H.current}}
+function L(a){return"object"===typeof a&&null!==a&&a.$$typeof===r}function escape(a){var b={"\x3d":"\x3d0",":":"\x3d2"};return"$"+(""+a).replace(/[=:]/g,function(a){return b[a]})}var M=/\/+/g; var N=[];function O(a,b,e,c){if(N.length){var d=N.pop();d.result=a;d.keyPrefix=b;d.func=e;d.context=c;d.count=0;return d}return{result:a,keyPrefix:b,func:e,context:c,count:0}}function P(a){a.result=null;a.keyPrefix=null;a.func=null;a.context=null;a.count=0;10>N.length&&N.push(a);}
+function Q(a,b,e,c){var d=typeof a;if("undefined"===d||"boolean"===d)a=null;var g=!1;if(null===a)g=!0;else switch(d){case "string":case "number":g=!0;break;case "object":switch(a.$$typeof){case r:case t:g=!0;}}if(g)return e(c,a,""===b?"."+R(a,0):b),1;g=0;b=""===b?".":b+":";if(Array.isArray(a))for(var h=0;h<a.length;h++){d=a[h];var f=b+R(d,h);g+=Q(d,f,e,c);}else if(null===a||"undefined"===typeof a?f=null:(f=A&&a[A]||a["@@iterator"],f="function"===typeof f?f:null),"function"===typeof f)for(a=f.call(a),
+h=0;!(d=a.next()).done;)d=d.value,f=b+R(d,h++),g+=Q(d,f,e,c);else"object"===d&&(e=""+a,B("31","[object Object]"===e?"object with keys {"+Object.keys(a).join(", ")+"}":e,""));return g}function R(a,b){return"object"===typeof a&&null!==a&&null!=a.key?escape(a.key):b.toString(36)}function S(a,b){a.func.call(a.context,b,a.count++);}
+function T(a,b,e){var c=a.result,d=a.keyPrefix;a=a.func.call(a.context,b,a.count++);Array.isArray(a)?U(a,c,e,emptyFunction$2.thatReturnsArgument):null!=a&&(L(a)&&(b=d+(!a.key||b&&b.key===a.key?"":(""+a.key).replace(M,"$\x26/")+"/")+e,a={$$typeof:r,type:a.type,key:b,ref:a.ref,props:a.props,_owner:a._owner}),c.push(a));}function U(a,b,e,c,d){var g="";null!=e&&(g=(""+e).replace(M,"$\x26/")+"/");b=O(b,g,c,d);null==a||Q(a,"",T,b);P(b);}
+var V={Children:{map:function(a,b,e){if(null==a)return a;var c=[];U(a,c,null,b,e);return c},forEach:function(a,b,e){if(null==a)return a;b=O(null,null,b,e);null==a||Q(a,"",S,b);P(b);},count:function(a){return null==a?0:Q(a,"",emptyFunction$2.thatReturnsNull,null)},toArray:function(a){var b=[];U(a,b,null,emptyFunction$2.thatReturnsArgument);return b},only:function(a){L(a)?void 0:B("143");return a}},createRef:function(){return{current:null}},Component:D,PureComponent:F,createContext:function(a,b){void 0===b&&(b=null);a={$$typeof:x,
+_calculateChangedBits:b,_defaultValue:a,_currentValue:a,_changedBits:0,Provider:null,Consumer:null};a.Provider={$$typeof:w,_context:a};return a.Consumer=a},forwardRef:function(a){return{$$typeof:z,render:a}},Fragment:u,StrictMode:v,unstable_AsyncMode:y,createElement:K,cloneElement:function(a,b,e){var c=void 0,d=require$$0$30({},a.props),g=a.key,h=a.ref,f=a._owner;if(null!=b){void 0!==b.ref&&(h=b.ref,f=H.current);void 0!==b.key&&(g=""+b.key);var k=void 0;a.type&&a.type.defaultProps&&(k=a.type.defaultProps);for(c in b)I.call(b,
+c)&&!J.hasOwnProperty(c)&&(d[c]=void 0===b[c]&&void 0!==k?k[c]:b[c]);}c=arguments.length-2;if(1===c)d.children=e;else if(1<c){k=Array(c);for(var l=0;l<c;l++)k[l]=arguments[l+2];d.children=k;}return{$$typeof:r,type:a.type,key:g,ref:h,props:d,_owner:f}},createFactory:function(a){var b=K.bind(null,a);b.type=a;return b},isValidElement:L,version:"16.3.1",__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED:{ReactCurrentOwner:H,assign:require$$0$30}};
+var W=Object.freeze({default:V});
 
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
@@ -8147,13 +8166,13 @@ function invariant(condition, format, a, b, c, d, e, f) {
   }
 }
 
-var invariant_1 = invariant;
+var invariant_1$1 = invariant;
 
 
 
 var invariant$1 = Object.freeze({
-	default: invariant_1,
-	__moduleExports: invariant_1
+	default: invariant_1$1,
+	__moduleExports: invariant_1$1
 });
 
 'use strict';
@@ -8209,13 +8228,13 @@ var warning = emptyFunction$2;
   };
 }
 
-var warning_1 = warning;
+var warning_1$1 = warning;
 
 
 
 var warning$1 = Object.freeze({
-	default: warning_1,
-	__moduleExports: warning_1
+	default: warning_1$1,
+	__moduleExports: warning_1$1
 });
 
 /**
@@ -8238,9 +8257,9 @@ var ReactPropTypesSecret$2 = Object.freeze({
 	__moduleExports: ReactPropTypesSecret_1
 });
 
-var invariant$3 = ( invariant$1 && invariant_1 ) || invariant$1;
+var invariant$3 = ( invariant$1 && invariant_1$1 ) || invariant$1;
 
-var warning$3 = ( warning$1 && warning_1 ) || warning$1;
+var warning$3 = ( warning$1 && warning_1$1 ) || warning$1;
 
 var ReactPropTypesSecret$3 = ( ReactPropTypesSecret$2 && ReactPropTypesSecret_1 ) || ReactPropTypesSecret$2;
 
@@ -8307,7 +8326,7 @@ var checkPropTypes$1 = Object.freeze({
 var checkPropTypes$2 = ( checkPropTypes$1 && checkPropTypes_1 ) || checkPropTypes$1;
 
 var react_development = createCommonjsModule(function (module) {
-/** @license React v16.2.0
+/** @license React v16.3.1
  * react.development.js
  *
  * Copyright (c) 2013-present, Facebook, Inc.
@@ -8325,7 +8344,7 @@ var react_development = createCommonjsModule(function (module) {
 'use strict';
 
 var _assign = require$$0$30;
-var emptyObject = require$$11;
+var emptyObject = require$$10;
 var invariant = invariant$3;
 var warning = warning$3;
 var emptyFunction = emptyFunction$2;
@@ -8333,7 +8352,7 @@ var checkPropTypes = checkPropTypes$2;
 
 // TODO: this is special because it gets imported during build.
 
-var ReactVersion = '16.2.0';
+var ReactVersion = '16.3.1';
 
 // The Symbol used to tag the ReactElement-like types. If there is no native Symbol
 // nor polyfill, then a plain number is used for performance.
@@ -8344,6 +8363,11 @@ var REACT_CALL_TYPE = hasSymbol ? Symbol['for']('react.call') : 0xeac8;
 var REACT_RETURN_TYPE = hasSymbol ? Symbol['for']('react.return') : 0xeac9;
 var REACT_PORTAL_TYPE = hasSymbol ? Symbol['for']('react.portal') : 0xeaca;
 var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol['for']('react.fragment') : 0xeacb;
+var REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol['for']('react.strict_mode') : 0xeacc;
+var REACT_PROVIDER_TYPE = hasSymbol ? Symbol['for']('react.provider') : 0xeacd;
+var REACT_CONTEXT_TYPE = hasSymbol ? Symbol['for']('react.context') : 0xeace;
+var REACT_ASYNC_MODE_TYPE = hasSymbol ? Symbol['for']('react.async_mode') : 0xeacf;
+var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol['for']('react.forward_ref') : 0xead0;
 
 var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
 var FAUX_ITERATOR_SYMBOL = '@@iterator';
@@ -8423,13 +8447,13 @@ var didWarnStateUpdateForUnmountedComponent = {};
 
 function warnNoop(publicInstance, callerName) {
   {
-    var constructor = publicInstance.constructor;
-    var componentName = constructor && (constructor.displayName || constructor.name) || 'ReactClass';
+    var _constructor = publicInstance.constructor;
+    var componentName = _constructor && (_constructor.displayName || _constructor.name) || 'ReactClass';
     var warningKey = componentName + '.' + callerName;
     if (didWarnStateUpdateForUnmountedComponent[warningKey]) {
       return;
     }
-    warning(false, '%s(...): Can only update a mounted or mounting component. ' + 'This usually means you called %s() on an unmounted component. ' + 'This is a no-op.\n\nPlease check the code for the %s component.', callerName, callerName, componentName);
+    warning(false, "Can't call %s on a component that is not yet mounted. " + 'This is a no-op, but it might indicate a bug in your application. ' + 'Instead, assign to `this.state` directly or define a `state = {};` ' + 'class property with the desired state in the %s component.', callerName, componentName);
     didWarnStateUpdateForUnmountedComponent[warningKey] = true;
   }
 }
@@ -8589,46 +8613,36 @@ Component.prototype.forceUpdate = function (callback) {
   }
 }
 
+function ComponentDummy() {}
+ComponentDummy.prototype = Component.prototype;
+
 /**
- * Base class helpers for the updating state of a component.
+ * Convenience component with default shallow equality check for sCU.
  */
 function PureComponent(props, context, updater) {
-  // Duplicated from Component.
   this.props = props;
   this.context = context;
   this.refs = emptyObject;
-  // We initialize the default updater but the real one gets injected by the
-  // renderer.
   this.updater = updater || ReactNoopUpdateQueue;
 }
 
-function ComponentDummy() {}
-ComponentDummy.prototype = Component.prototype;
 var pureComponentPrototype = PureComponent.prototype = new ComponentDummy();
 pureComponentPrototype.constructor = PureComponent;
 // Avoid an extra prototype jump for these methods.
 _assign(pureComponentPrototype, Component.prototype);
 pureComponentPrototype.isPureReactComponent = true;
 
-function AsyncComponent(props, context, updater) {
-  // Duplicated from Component.
-  this.props = props;
-  this.context = context;
-  this.refs = emptyObject;
-  // We initialize the default updater but the real one gets injected by the
-  // renderer.
-  this.updater = updater || ReactNoopUpdateQueue;
+// an immutable object with a single mutable value
+function createRef() {
+  var refObject = {
+    current: null
+  };
+  {
+    Object.seal(refObject);
+  }
+  return refObject;
 }
 
-var asyncComponentPrototype = AsyncComponent.prototype = new ComponentDummy();
-asyncComponentPrototype.constructor = AsyncComponent;
-// Avoid an extra prototype jump for these methods.
-_assign(asyncComponentPrototype, Component.prototype);
-asyncComponentPrototype.unstable_isAsyncReactComponent = true;
-asyncComponentPrototype.render = function () {
-  return this.props.children;
-};
-
 /**
  * Keeps track of the current owner.
  *
@@ -8652,8 +8666,8 @@ var RESERVED_PROPS = {
   __source: true
 };
 
-var specialPropKeyWarningShown;
-var specialPropRefWarningShown;
+var specialPropKeyWarningShown = void 0;
+var specialPropRefWarningShown = void 0;
 
 function hasValidRef(config) {
   {
@@ -8729,7 +8743,7 @@ function defineRefPropWarningGetter(props, displayName) {
  */
 var ReactElement = function (type, key, ref, self, source, owner, props) {
   var element = {
-    // This tag allow us to uniquely identify this as a React Element
+    // This tag allows us to uniquely identify this as a React Element
     $$typeof: REACT_ELEMENT_TYPE,
 
     // Built-in properties that belong on the element
@@ -8788,7 +8802,7 @@ var ReactElement = function (type, key, ref, self, source, owner, props) {
  * See https://reactjs.org/docs/react-api.html#createelement
  */
 function createElement(type, config, children) {
-  var propName;
+  var propName = void 0;
 
   // Reserved names are extracted
   var props = {};
@@ -8876,7 +8890,7 @@ function cloneAndReplaceKey(oldElement, newKey) {
  * See https://reactjs.org/docs/react-api.html#cloneelement
  */
 function cloneElement(element, config, children) {
-  var propName;
+  var propName = void 0;
 
   // Original props are copied
   var props = _assign({}, element.props);
@@ -8905,7 +8919,7 @@ function cloneElement(element, config, children) {
     }
 
     // Remaining properties override existing props
-    var defaultProps;
+    var defaultProps = void 0;
     if (element.type && element.type.defaultProps) {
       defaultProps = element.type.defaultProps;
     }
@@ -9059,8 +9073,6 @@ function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext)
       case 'object':
         switch (children.$$typeof) {
           case REACT_ELEMENT_TYPE:
-          case REACT_CALL_TYPE:
-          case REACT_RETURN_TYPE:
           case REACT_PORTAL_TYPE:
             invokeCallback = true;
         }
@@ -9075,8 +9087,8 @@ function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext)
     return 1;
   }
 
-  var child;
-  var nextName;
+  var child = void 0;
+  var nextName = void 0;
   var subtreeCount = 0; // Count of children found in the current subtree.
   var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR;
 
@@ -9098,7 +9110,7 @@ function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext)
       }
 
       var iterator = iteratorFn.call(children);
-      var step;
+      var step = void 0;
       var ii = 0;
       while (!(step = iterator.next()).done) {
         child = step.value;
@@ -9285,18 +9297,78 @@ function onlyChild(children) {
   return children;
 }
 
+function createContext(defaultValue, calculateChangedBits) {
+  if (calculateChangedBits === undefined) {
+    calculateChangedBits = null;
+  } else {
+    {
+      warning(calculateChangedBits === null || typeof calculateChangedBits === 'function', 'createContext: Expected the optional second argument to be a ' + 'function. Instead received: %s', calculateChangedBits);
+    }
+  }
+
+  var context = {
+    $$typeof: REACT_CONTEXT_TYPE,
+    _calculateChangedBits: calculateChangedBits,
+    _defaultValue: defaultValue,
+    _currentValue: defaultValue,
+    _changedBits: 0,
+    // These are circular
+    Provider: null,
+    Consumer: null
+  };
+
+  context.Provider = {
+    $$typeof: REACT_PROVIDER_TYPE,
+    _context: context
+  };
+  context.Consumer = context;
+
+  {
+    context._currentRenderer = null;
+  }
+
+  return context;
+}
+
+function forwardRef(render) {
+  {
+    warning(typeof render === 'function', 'forwardRef requires a render function but was given %s.', render === null ? 'null' : typeof render);
+  }
+
+  return {
+    $$typeof: REACT_FORWARD_REF_TYPE,
+    render: render
+  };
+}
+
 var describeComponentFrame = function (name, source, ownerName) {
   return '\n    in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : '');
 };
 
+function isValidElementType(type) {
+  return typeof type === 'string' || typeof type === 'function' ||
+  // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.
+  type === REACT_FRAGMENT_TYPE || type === REACT_ASYNC_MODE_TYPE || type === REACT_STRICT_MODE_TYPE || typeof type === 'object' && type !== null && (type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE);
+}
+
 function getComponentName(fiber) {
   var type = fiber.type;
 
+  if (typeof type === 'function') {
+    return type.displayName || type.name;
+  }
   if (typeof type === 'string') {
     return type;
   }
-  if (typeof type === 'function') {
-    return type.displayName || type.name;
+  switch (type) {
+    case REACT_FRAGMENT_TYPE:
+      return 'ReactFragment';
+    case REACT_PORTAL_TYPE:
+      return 'ReactPortal';
+    case REACT_CALL_TYPE:
+      return 'ReactCall';
+    case REACT_RETURN_TYPE:
+      return 'ReactReturn';
   }
   return null;
 }
@@ -9308,12 +9380,18 @@ function getComponentName(fiber) {
  * that support it.
  */
 
+var currentlyValidatingElement = void 0;
+var propTypesMisspellWarningShown = void 0;
+
+var getDisplayName = function () {};
+var getStackAddendum = function () {};
+
 {
-  var currentlyValidatingElement = null;
+  currentlyValidatingElement = null;
 
-  var propTypesMisspellWarningShown = false;
+  propTypesMisspellWarningShown = false;
 
-  var getDisplayName = function (element) {
+  getDisplayName = function (element) {
     if (element == null) {
       return '#empty';
     } else if (typeof element === 'string' || typeof element === 'number') {
@@ -9327,7 +9405,7 @@ function getComponentName(fiber) {
     }
   };
 
-  var getStackAddendum = function () {
+  getStackAddendum = function () {
     var stack = '';
     if (currentlyValidatingElement) {
       var name = getDisplayName(currentlyValidatingElement);
@@ -9337,8 +9415,6 @@ function getComponentName(fiber) {
     stack += ReactDebugCurrentFrame.getStackAddendum() || '';
     return stack;
   };
-
-  var VALID_FRAGMENT_PROPS = new Map([['children', true], ['key', true]]);
 }
 
 function getDeclarationErrorAddendum() {
@@ -9451,7 +9527,7 @@ function validateChildKeys(node, parentType) {
       // but now we print a separate warning for them later.
       if (iteratorFn !== node.entries) {
         var iterator = iteratorFn.call(node);
-        var step;
+        var step = void 0;
         while (!(step = iterator.next()).done) {
           if (isValidElement(step.value)) {
             validateExplicitKey(step.value, parentType);
@@ -9495,31 +9571,12 @@ function validatePropTypes(element) {
 function validateFragmentProps(fragment) {
   currentlyValidatingElement = fragment;
 
-  var _iteratorNormalCompletion = true;
-  var _didIteratorError = false;
-  var _iteratorError = undefined;
-
-  try {
-    for (var _iterator = Object.keys(fragment.props)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-      var key = _step.value;
-
-      if (!VALID_FRAGMENT_PROPS.has(key)) {
-        warning(false, 'Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.%s', key, getStackAddendum());
-        break;
-      }
-    }
-  } catch (err) {
-    _didIteratorError = true;
-    _iteratorError = err;
-  } finally {
-    try {
-      if (!_iteratorNormalCompletion && _iterator['return']) {
-        _iterator['return']();
-      }
-    } finally {
-      if (_didIteratorError) {
-        throw _iteratorError;
-      }
+  var keys = Object.keys(fragment.props);
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i];
+    if (key !== 'children' && key !== 'key') {
+      warning(false, 'Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.%s', key, getStackAddendum());
+      break;
     }
   }
 
@@ -9531,7 +9588,8 @@ function validateFragmentProps(fragment) {
 }
 
 function createElementWithValidation(type, props, children) {
-  var validType = typeof type === 'string' || typeof type === 'function' || typeof type === 'symbol' || typeof type === 'number';
+  var validType = isValidElementType(type);
+
   // We warn in this case but don't throw. We expect the element creation to
   // succeed and there will likely be errors in render.
   if (!validType) {
@@ -9549,7 +9607,16 @@ function createElementWithValidation(type, props, children) {
 
     info += getStackAddendum() || '';
 
-    warning(false, 'React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', type == null ? type : typeof type, info);
+    var typeString = void 0;
+    if (type === null) {
+      typeString = 'null';
+    } else if (Array.isArray(type)) {
+      typeString = 'array';
+    } else {
+      typeString = typeof type;
+    }
+
+    warning(false, 'React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', typeString, info);
   }
 
   var element = createElement.apply(this, arguments);
@@ -9571,7 +9638,7 @@ function createElementWithValidation(type, props, children) {
     }
   }
 
-  if (typeof type === 'symbol' && type === REACT_FRAGMENT_TYPE) {
+  if (type === REACT_FRAGMENT_TYPE) {
     validateFragmentProps(element);
   } else {
     validatePropTypes(element);
@@ -9582,9 +9649,8 @@ function createElementWithValidation(type, props, children) {
 
 function createFactoryWithValidation(type) {
   var validatedFactory = createElementWithValidation.bind(null, type);
-  // Legacy hook TODO: Warn if this is accessed
   validatedFactory.type = type;
-
+  // Legacy hook: remove it
   {
     Object.defineProperty(validatedFactory, 'type', {
       enumerable: false,
@@ -9619,11 +9685,16 @@ var React = {
     only: onlyChild
   },
 
+  createRef: createRef,
   Component: Component,
   PureComponent: PureComponent,
-  unstable_AsyncComponent: AsyncComponent,
+
+  createContext: createContext,
+  forwardRef: forwardRef,
 
   Fragment: REACT_FRAGMENT_TYPE,
+  StrictMode: REACT_STRICT_MODE_TYPE,
+  unstable_AsyncMode: REACT_ASYNC_MODE_TYPE,
 
   createElement: createElementWithValidation,
   cloneElement: cloneElementWithValidation,
@@ -9842,88 +9913,6 @@ var objectAssign$5 = Object.freeze({
  * @typechecks
  */
 
-
-
-/**
- * Upstream version of event listener. Does not take into account specific
- * nature of platform.
- */
-var EventListener = {
-  /**
-   * Listen to DOM events during the bubble phase.
-   *
-   * @param {DOMEventTarget} target DOM element to register listener on.
-   * @param {string} eventType Event type, e.g. 'click' or 'mouseover'.
-   * @param {function} callback Callback function.
-   * @return {object} Object with a `remove` method.
-   */
-  listen: function listen(target, eventType, callback) {
-    if (target.addEventListener) {
-      target.addEventListener(eventType, callback, false);
-      return {
-        remove: function remove() {
-          target.removeEventListener(eventType, callback, false);
-        }
-      };
-    } else if (target.attachEvent) {
-      target.attachEvent('on' + eventType, callback);
-      return {
-        remove: function remove() {
-          target.detachEvent('on' + eventType, callback);
-        }
-      };
-    }
-  },
-
-  /**
-   * Listen to DOM events during the capture phase.
-   *
-   * @param {DOMEventTarget} target DOM element to register listener on.
-   * @param {string} eventType Event type, e.g. 'click' or 'mouseover'.
-   * @param {function} callback Callback function.
-   * @return {object} Object with a `remove` method.
-   */
-  capture: function capture(target, eventType, callback) {
-    if (target.addEventListener) {
-      target.addEventListener(eventType, callback, true);
-      return {
-        remove: function remove() {
-          target.removeEventListener(eventType, callback, true);
-        }
-      };
-    } else {
-      {
-        console.error('Attempted to listen to events during the capture phase on a ' + 'browser that does not support the capture phase. Your application ' + 'will not receive some events.');
-      }
-      return {
-        remove: emptyFunction$2
-      };
-    }
-  },
-
-  registerDefault: function registerDefault() {}
-};
-
-var EventListener_1 = EventListener;
-
-
-
-var EventListener$1 = Object.freeze({
-	default: EventListener_1,
-	__moduleExports: EventListener_1
-});
-
-'use strict';
-
-/**
- * Copyright (c) 2013-present, Facebook, Inc.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @typechecks
- */
-
 /* eslint-disable fb-www/typeof-undefined */
 
 /**
@@ -10139,312 +10128,304 @@ var containsNode$1 = Object.freeze({
 	__moduleExports: containsNode_1
 });
 
-/**
- * Copyright (c) 2013-present, Facebook, Inc.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- */
-
-'use strict';
-
-/**
- * @param {DOMElement} node input/textarea to focus
- */
-
-function focusNode(node) {
-  // IE8 can throw "Can't move focus to the control because it is invisible,
-  // not enabled, or of a type that does not accept the focus." for all kinds of
-  // reasons that are too expensive and fragile to test.
-  try {
-    node.focus();
-  } catch (e) {}
-}
-
-var focusNode_1 = focusNode;
-
-
-
-var focusNode$1 = Object.freeze({
-	default: focusNode_1,
-	__moduleExports: focusNode_1
-});
-
 var React$1 = ( react$1 && react ) || react$1;
 
 var require$$3 = ( ExecutionEnvironment$1 && ExecutionEnvironment_1 ) || ExecutionEnvironment$1;
 
 var require$$4 = ( objectAssign$5 && objectAssign$3 ) || objectAssign$5;
 
-var require$$6$1 = ( EventListener$1 && EventListener_1 ) || EventListener$1;
-
 var require$$7 = ( getActiveElement$1 && getActiveElement_1 ) || getActiveElement$1;
 
 var require$$8 = ( shallowEqual$1 && shallowEqual_1 ) || shallowEqual$1;
 
 var require$$9 = ( containsNode$1 && containsNode_1 ) || containsNode$1;
 
-var require$$10 = ( focusNode$1 && focusNode_1 ) || focusNode$1;
-
 'use strict';
-function E$1(a){for(var b=arguments.length-1,c="Minified React error #"+a+"; visit http://facebook.github.io/react/docs/error-decoder.html?invariant\x3d"+a,d=0;d<b;d++)c+="\x26args[]\x3d"+encodeURIComponent(arguments[d+1]);b=Error(c+" for the full message or use the non-minified dev environment for full errors and additional helpful warnings.");b.name="Invariant Violation";b.framesToPop=1;throw b;}React$1?void 0:E$1("227");
-var oa={children:!0,dangerouslySetInnerHTML:!0,defaultValue:!0,defaultChecked:!0,innerHTML:!0,suppressContentEditableWarning:!0,suppressHydrationWarning:!0,style:!0};function pa(a,b){return(a&b)===b}
-var ta={MUST_USE_PROPERTY:1,HAS_BOOLEAN_VALUE:4,HAS_NUMERIC_VALUE:8,HAS_POSITIVE_NUMERIC_VALUE:24,HAS_OVERLOADED_BOOLEAN_VALUE:32,HAS_STRING_BOOLEAN_VALUE:64,injectDOMPropertyConfig:function(a){var b=ta,c=a.Properties||{},d=a.DOMAttributeNamespaces||{},e=a.DOMAttributeNames||{};a=a.DOMMutationMethods||{};for(var f in c){ua.hasOwnProperty(f)?E$1("48",f):void 0;var g=f.toLowerCase(),h=c[f];g={attributeName:g,attributeNamespace:null,propertyName:f,mutationMethod:null,mustUseProperty:pa(h,b.MUST_USE_PROPERTY),
-hasBooleanValue:pa(h,b.HAS_BOOLEAN_VALUE),hasNumericValue:pa(h,b.HAS_NUMERIC_VALUE),hasPositiveNumericValue:pa(h,b.HAS_POSITIVE_NUMERIC_VALUE),hasOverloadedBooleanValue:pa(h,b.HAS_OVERLOADED_BOOLEAN_VALUE),hasStringBooleanValue:pa(h,b.HAS_STRING_BOOLEAN_VALUE)};1>=g.hasBooleanValue+g.hasNumericValue+g.hasOverloadedBooleanValue?void 0:E$1("50",f);e.hasOwnProperty(f)&&(g.attributeName=e[f]);d.hasOwnProperty(f)&&(g.attributeNamespace=d[f]);a.hasOwnProperty(f)&&(g.mutationMethod=a[f]);ua[f]=g;}}};
-var ua={};
-function va(a,b){if(oa.hasOwnProperty(a)||2<a.length&&("o"===a[0]||"O"===a[0])&&("n"===a[1]||"N"===a[1]))return!1;if(null===b)return!0;switch(typeof b){case "boolean":return oa.hasOwnProperty(a)?a=!0:(b=wa(a))?a=b.hasBooleanValue||b.hasStringBooleanValue||b.hasOverloadedBooleanValue:(a=a.toLowerCase().slice(0,5),a="data-"===a||"aria-"===a),a;case "undefined":case "number":case "string":case "object":return!0;default:return!1}}function wa(a){return ua.hasOwnProperty(a)?ua[a]:null}
-var xa=ta;
-var ya=xa.MUST_USE_PROPERTY;
-var K$1=xa.HAS_BOOLEAN_VALUE;
-var za=xa.HAS_NUMERIC_VALUE;
-var Aa=xa.HAS_POSITIVE_NUMERIC_VALUE;
-var Ba=xa.HAS_OVERLOADED_BOOLEAN_VALUE;
-var Ca=xa.HAS_STRING_BOOLEAN_VALUE;
-var Da={Properties:{allowFullScreen:K$1,async:K$1,autoFocus:K$1,autoPlay:K$1,capture:Ba,checked:ya|K$1,cols:Aa,contentEditable:Ca,controls:K$1,"default":K$1,defer:K$1,disabled:K$1,download:Ba,draggable:Ca,formNoValidate:K$1,hidden:K$1,loop:K$1,multiple:ya|K$1,muted:ya|K$1,noValidate:K$1,open:K$1,playsInline:K$1,readOnly:K$1,required:K$1,reversed:K$1,rows:Aa,rowSpan:za,
-scoped:K$1,seamless:K$1,selected:ya|K$1,size:Aa,start:za,span:Aa,spellCheck:Ca,style:0,tabIndex:0,itemScope:K$1,acceptCharset:0,className:0,htmlFor:0,httpEquiv:0,value:Ca},DOMAttributeNames:{acceptCharset:"accept-charset",className:"class",htmlFor:"for",httpEquiv:"http-equiv"},DOMMutationMethods:{value:function(a,b){if(null==b)return a.removeAttribute("value");"number"!==a.type||!1===a.hasAttribute("value")?a.setAttribute("value",""+b):a.validity&&!a.validity.badInput&&a.ownerDocument.activeElement!==a&&
-a.setAttribute("value",""+b);}}};
-var Ea=xa.HAS_STRING_BOOLEAN_VALUE;
-var M$1={xlink:"http://www.w3.org/1999/xlink",xml:"http://www.w3.org/XML/1998/namespace"};
-var Ga={Properties:{autoReverse:Ea,externalResourcesRequired:Ea,preserveAlpha:Ea},DOMAttributeNames:{autoReverse:"autoReverse",externalResourcesRequired:"externalResourcesRequired",preserveAlpha:"preserveAlpha"},DOMAttributeNamespaces:{xlinkActuate:M$1.xlink,xlinkArcrole:M$1.xlink,xlinkHref:M$1.xlink,xlinkRole:M$1.xlink,xlinkShow:M$1.xlink,xlinkTitle:M$1.xlink,xlinkType:M$1.xlink,
-xmlBase:M$1.xml,xmlLang:M$1.xml,xmlSpace:M$1.xml}};
-var Ha=/[\-\:]([a-z])/g;function Ia(a){return a[1].toUpperCase()}
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+var Cg=X$1;$b=Cg.batchedUpdates;ac=Cg.interactiveUpdates;bc=Cg.flushInteractiveUpdates;
+function Dg(a,b){b||(b=a?9===a.nodeType?a.documentElement:a.firstChild:null,b=!(!b||1!==b.nodeType||!b.hasAttribute("data-reactroot")));if(!b)for(var c;c=a.lastChild;)a.removeChild(c);return new sg(a,!1,b)}
+function Eg(a,b,c,d,e){tg(c)?void 0:D$1("200");var f=c._reactRootContainer;if(f){if("function"===typeof e){var h=e;e=function(){var a=X$1.getPublicRootInstance(f._internalRoot);h.call(a);};}null!=a?f.legacy_renderSubtreeIntoContainer(a,b,e):f.render(b,e);}else{f=c._reactRootContainer=Dg(c,d);if("function"===typeof e){var g=e;e=function(){var a=X$1.getPublicRootInstance(f._internalRoot);g.call(a);};}X$1.unbatchedUpdates(function(){null!=a?f.legacy_renderSubtreeIntoContainer(a,b,e):f.render(b,e);});}return X$1.getPublicRootInstance(f._internalRoot)}
+function Fg(a,b){var c=2<arguments.length&&void 0!==arguments[2]?arguments[2]:null;tg(b)?void 0:D$1("200");return pf(a,b,null,c)}
+var Gg={createPortal:Fg,findDOMNode:function(a){if(null==a)return null;if(1===a.nodeType)return a;var b=a._reactInternalFiber;if(b)return X$1.findHostInstance(b);"function"===typeof a.render?D$1("188"):D$1("213",Object.keys(a));},hydrate:function(a,b,c){return Eg(null,a,b,!0,c)},render:function(a,b,c){return Eg(null,a,b,!1,c)},unstable_renderSubtreeIntoContainer:function(a,b,c,d){null==a||void 0===a._reactInternalFiber?D$1("38"):void 0;return Eg(a,b,c,!1,d)},unmountComponentAtNode:function(a){tg(a)?void 0:
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@@ -10596,12 +10577,12 @@ var camelizeStyleName$1 = Object.freeze({
 	__moduleExports: camelizeStyleName_1
 });
 
-var require$$13 = ( hyphenateStyleName$1 && hyphenateStyleName_1 ) || hyphenateStyleName$1;
+var require$$11 = ( hyphenateStyleName$1 && hyphenateStyleName_1 ) || hyphenateStyleName$1;
 
-var require$$14$1 = ( camelizeStyleName$1 && camelizeStyleName_1 ) || camelizeStyleName$1;
+var require$$12 = ( camelizeStyleName$1 && camelizeStyleName_1 ) || camelizeStyleName$1;
 
 var reactDom_development = createCommonjsModule(function (module) {
-/** @license React v16.2.0
+/** @license React v16.3.1
  * react-dom.development.js
  *
  * Copyright (c) 2013-present, Facebook, Inc.
@@ -10624,15 +10605,13 @@ var warning = warning$3;
 var ExecutionEnvironment = require$$3;
 var _assign = require$$4;
 var emptyFunction = emptyFunction$2;
-var EventListener = require$$6$1;
+var checkPropTypes = checkPropTypes$2;
 var getActiveElement = require$$7;
 var shallowEqual = require$$8;
 var containsNode = require$$9;
-var focusNode = require$$10;
-var emptyObject = require$$11;
-var checkPropTypes = checkPropTypes$2;
-var hyphenateStyleName = require$$13;
-var camelizeStyleName = require$$14$1;
+var emptyObject = require$$10;
+var hyphenateStyleName = require$$11;
+var camelizeStyleName = require$$12;
 
 /**
  * WARNING: DO NOT manually require this module.
@@ -10643,458 +10622,15 @@ var camelizeStyleName = require$$14$1;
 
 !React ? invariant(false, 'ReactDOM was loaded before React. Make sure you load the React package before loading ReactDOM.') : void 0;
 
-// These attributes should be all lowercase to allow for
-// case insensitive checks
-var RESERVED_PROPS = {
-  children: true,
-  dangerouslySetInnerHTML: true,
-  defaultValue: true,
-  defaultChecked: true,
-  innerHTML: true,
-  suppressContentEditableWarning: true,
-  suppressHydrationWarning: true,
-  style: true
-};
-
-function checkMask(value, bitmask) {
-  return (value & bitmask) === bitmask;
-}
-
-var DOMPropertyInjection = {
-  /**
-   * Mapping from normalized, camelcased property names to a configuration that
-   * specifies how the associated DOM property should be accessed or rendered.
-   */
-  MUST_USE_PROPERTY: 0x1,
-  HAS_BOOLEAN_VALUE: 0x4,
-  HAS_NUMERIC_VALUE: 0x8,
-  HAS_POSITIVE_NUMERIC_VALUE: 0x10 | 0x8,
-  HAS_OVERLOADED_BOOLEAN_VALUE: 0x20,
-  HAS_STRING_BOOLEAN_VALUE: 0x40,
-
-  /**
-   * Inject some specialized knowledge about the DOM. This takes a config object
-   * with the following properties:
-   *
-   * Properties: object mapping DOM property name to one of the
-   * DOMPropertyInjection constants or null. If your attribute isn't in here,
-   * it won't get written to the DOM.
-   *
-   * DOMAttributeNames: object mapping React attribute name to the DOM
-   * attribute name. Attribute names not specified use the **lowercase**
-   * normalized name.
-   *
-   * DOMAttributeNamespaces: object mapping React attribute name to the DOM
-   * attribute namespace URL. (Attribute names not specified use no namespace.)
-   *
-   * DOMPropertyNames: similar to DOMAttributeNames but for DOM properties.
-   * Property names not specified use the normalized name.
-   *
-   * DOMMutationMethods: Properties that require special mutation methods. If
-   * `value` is undefined, the mutation method should unset the property.
-   *
-   * @param {object} domPropertyConfig the config as described above.
-   */
-  injectDOMPropertyConfig: function (domPropertyConfig) {
-    var Injection = DOMPropertyInjection;
-    var Properties = domPropertyConfig.Properties || {};
-    var DOMAttributeNamespaces = domPropertyConfig.DOMAttributeNamespaces || {};
-    var DOMAttributeNames = domPropertyConfig.DOMAttributeNames || {};
-    var DOMMutationMethods = domPropertyConfig.DOMMutationMethods || {};
-
-    for (var propName in Properties) {
-      !!properties.hasOwnProperty(propName) ? invariant(false, "injectDOMPropertyConfig(...): You're trying to inject DOM property '%s' which has already been injected. You may be accidentally injecting the same DOM property config twice, or you may be injecting two configs that have conflicting property names.", propName) : void 0;
-
-      var lowerCased = propName.toLowerCase();
-      var propConfig = Properties[propName];
-
-      var propertyInfo = {
-        attributeName: lowerCased,
-        attributeNamespace: null,
-        propertyName: propName,
-        mutationMethod: null,
-
-        mustUseProperty: checkMask(propConfig, Injection.MUST_USE_PROPERTY),
-        hasBooleanValue: checkMask(propConfig, Injection.HAS_BOOLEAN_VALUE),
-        hasNumericValue: checkMask(propConfig, Injection.HAS_NUMERIC_VALUE),
-        hasPositiveNumericValue: checkMask(propConfig, Injection.HAS_POSITIVE_NUMERIC_VALUE),
-        hasOverloadedBooleanValue: checkMask(propConfig, Injection.HAS_OVERLOADED_BOOLEAN_VALUE),
-        hasStringBooleanValue: checkMask(propConfig, Injection.HAS_STRING_BOOLEAN_VALUE)
-      };
-      !(propertyInfo.hasBooleanValue + propertyInfo.hasNumericValue + propertyInfo.hasOverloadedBooleanValue <= 1) ? invariant(false, "DOMProperty: Value can be one of boolean, overloaded boolean, or numeric value, but not a combination: %s", propName) : void 0;
-
-      if (DOMAttributeNames.hasOwnProperty(propName)) {
-        var attributeName = DOMAttributeNames[propName];
-
-        propertyInfo.attributeName = attributeName;
-      }
-
-      if (DOMAttributeNamespaces.hasOwnProperty(propName)) {
-        propertyInfo.attributeNamespace = DOMAttributeNamespaces[propName];
-      }
-
-      if (DOMMutationMethods.hasOwnProperty(propName)) {
-        propertyInfo.mutationMethod = DOMMutationMethods[propName];
-      }
-
-      // Downcase references to whitelist properties to check for membership
-      // without case-sensitivity. This allows the whitelist to pick up
-      // `allowfullscreen`, which should be written using the property configuration
-      // for `allowFullscreen`
-      properties[propName] = propertyInfo;
-    }
-  }
-};
-
-/* eslint-disable max-len */
-var ATTRIBUTE_NAME_START_CHAR = ":A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD";
-/* eslint-enable max-len */
-var ATTRIBUTE_NAME_CHAR = ATTRIBUTE_NAME_START_CHAR + "\\-.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040";
-
-
-var ROOT_ATTRIBUTE_NAME = 'data-reactroot';
-
-/**
- * Map from property "standard name" to an object with info about how to set
- * the property in the DOM. Each object contains:
- *
- * attributeName:
- *   Used when rendering markup or with `*Attribute()`.
- * attributeNamespace
- * propertyName:
- *   Used on DOM node instances. (This includes properties that mutate due to
- *   external factors.)
- * mutationMethod:
- *   If non-null, used instead of the property or `setAttribute()` after
- *   initial render.
- * mustUseProperty:
- *   Whether the property must be accessed and mutated as an object property.
- * hasBooleanValue:
- *   Whether the property should be removed when set to a falsey value.
- * hasNumericValue:
- *   Whether the property must be numeric or parse as a numeric and should be
- *   removed when set to a falsey value.
- * hasPositiveNumericValue:
- *   Whether the property must be positive numeric or parse as a positive
- *   numeric and should be removed when set to a falsey value.
- * hasOverloadedBooleanValue:
- *   Whether the property can be used as a flag as well as with a value.
- *   Removed when strictly equal to false; present without a value when
- *   strictly equal to true; present with a value otherwise.
- */
-var properties = {};
-
-/**
- * Checks whether a property name is a writeable attribute.
- * @method
- */
-function shouldSetAttribute(name, value) {
-  if (isReservedProp(name)) {
-    return false;
-  }
-  if (name.length > 2 && (name[0] === 'o' || name[0] === 'O') && (name[1] === 'n' || name[1] === 'N')) {
-    return false;
-  }
-  if (value === null) {
-    return true;
-  }
-  switch (typeof value) {
-    case 'boolean':
-      return shouldAttributeAcceptBooleanValue(name);
-    case 'undefined':
-    case 'number':
-    case 'string':
-    case 'object':
-      return true;
-    default:
-      // function, symbol
-      return false;
-  }
-}
-
-function getPropertyInfo(name) {
-  return properties.hasOwnProperty(name) ? properties[name] : null;
-}
-
-function shouldAttributeAcceptBooleanValue(name) {
-  if (isReservedProp(name)) {
-    return true;
-  }
-  var propertyInfo = getPropertyInfo(name);
-  if (propertyInfo) {
-    return propertyInfo.hasBooleanValue || propertyInfo.hasStringBooleanValue || propertyInfo.hasOverloadedBooleanValue;
-  }
-  var prefix = name.toLowerCase().slice(0, 5);
-  return prefix === 'data-' || prefix === 'aria-';
-}
-
-/**
- * Checks to see if a property name is within the list of properties
- * reserved for internal React operations. These properties should
- * not be set on an HTML element.
- *
- * @private
- * @param {string} name
- * @return {boolean} If the name is within reserved props
- */
-function isReservedProp(name) {
-  return RESERVED_PROPS.hasOwnProperty(name);
-}
-
-var injection = DOMPropertyInjection;
-
-var MUST_USE_PROPERTY = injection.MUST_USE_PROPERTY;
-var HAS_BOOLEAN_VALUE = injection.HAS_BOOLEAN_VALUE;
-var HAS_NUMERIC_VALUE = injection.HAS_NUMERIC_VALUE;
-var HAS_POSITIVE_NUMERIC_VALUE = injection.HAS_POSITIVE_NUMERIC_VALUE;
-var HAS_OVERLOADED_BOOLEAN_VALUE = injection.HAS_OVERLOADED_BOOLEAN_VALUE;
-var HAS_STRING_BOOLEAN_VALUE = injection.HAS_STRING_BOOLEAN_VALUE;
-
-var HTMLDOMPropertyConfig = {
-  // When adding attributes to this list, be sure to also add them to
-  // the `possibleStandardNames` module to ensure casing and incorrect
-  // name warnings.
-  Properties: {
-    allowFullScreen: HAS_BOOLEAN_VALUE,
-    // specifies target context for links with `preload` type
-    async: HAS_BOOLEAN_VALUE,
-    // Note: there is a special case that prevents it from being written to the DOM
-    // on the client side because the browsers are inconsistent. Instead we call focus().
-    autoFocus: HAS_BOOLEAN_VALUE,
-    autoPlay: HAS_BOOLEAN_VALUE,
-    capture: HAS_OVERLOADED_BOOLEAN_VALUE,
-    checked: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
-    cols: HAS_POSITIVE_NUMERIC_VALUE,
-    contentEditable: HAS_STRING_BOOLEAN_VALUE,
-    controls: HAS_BOOLEAN_VALUE,
-    'default': HAS_BOOLEAN_VALUE,
-    defer: HAS_BOOLEAN_VALUE,
-    disabled: HAS_BOOLEAN_VALUE,
-    download: HAS_OVERLOADED_BOOLEAN_VALUE,
-    draggable: HAS_STRING_BOOLEAN_VALUE,
-    formNoValidate: HAS_BOOLEAN_VALUE,
-    hidden: HAS_BOOLEAN_VALUE,
-    loop: HAS_BOOLEAN_VALUE,
-    // Caution; `option.selected` is not updated if `select.multiple` is
-    // disabled with `removeAttribute`.
-    multiple: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
-    muted: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
-    noValidate: HAS_BOOLEAN_VALUE,
-    open: HAS_BOOLEAN_VALUE,
-    playsInline: HAS_BOOLEAN_VALUE,
-    readOnly: HAS_BOOLEAN_VALUE,
-    required: HAS_BOOLEAN_VALUE,
-    reversed: HAS_BOOLEAN_VALUE,
-    rows: HAS_POSITIVE_NUMERIC_VALUE,
-    rowSpan: HAS_NUMERIC_VALUE,
-    scoped: HAS_BOOLEAN_VALUE,
-    seamless: HAS_BOOLEAN_VALUE,
-    selected: MUST_USE_PROPERTY | HAS_BOOLEAN_VALUE,
-    size: HAS_POSITIVE_NUMERIC_VALUE,
-    start: HAS_NUMERIC_VALUE,
-    // support for projecting regular DOM Elements via V1 named slots ( shadow dom )
-    span: HAS_POSITIVE_NUMERIC_VALUE,
-    spellCheck: HAS_STRING_BOOLEAN_VALUE,
-    // Style must be explicitly set in the attribute list. React components
-    // expect a style object
-    style: 0,
-    // Keep it in the whitelist because it is case-sensitive for SVG.
-    tabIndex: 0,
-    // itemScope is for for Microdata support.
-    // See http://schema.org/docs/gs.html
-    itemScope: HAS_BOOLEAN_VALUE,
-    // These attributes must stay in the white-list because they have
-    // different attribute names (see DOMAttributeNames below)
-    acceptCharset: 0,
-    className: 0,
-    htmlFor: 0,
-    httpEquiv: 0,
-    // Attributes with mutation methods must be specified in the whitelist
-    // Set the string boolean flag to allow the behavior
-    value: HAS_STRING_BOOLEAN_VALUE
-  },
-  DOMAttributeNames: {
-    acceptCharset: 'accept-charset',
-    className: 'class',
-    htmlFor: 'for',
-    httpEquiv: 'http-equiv'
-  },
-  DOMMutationMethods: {
-    value: function (node, value) {
-      if (value == null) {
-        return node.removeAttribute('value');
-      }
-
-      // Number inputs get special treatment due to some edge cases in
-      // Chrome. Let everything else assign the value attribute as normal.
-      // https://github.com/facebook/react/issues/7253#issuecomment-236074326
-      if (node.type !== 'number' || node.hasAttribute('value') === false) {
-        node.setAttribute('value', '' + value);
-      } else if (node.validity && !node.validity.badInput && node.ownerDocument.activeElement !== node) {
-        // Don't assign an attribute if validation reports bad
-        // input. Chrome will clear the value. Additionally, don't
-        // operate on inputs that have focus, otherwise Chrome might
-        // strip off trailing decimal places and cause the user's
-        // cursor position to jump to the beginning of the input.
-        //
-        // In ReactDOMInput, we have an onBlur event that will trigger
-        // this function again when focus is lost.
-        node.setAttribute('value', '' + value);
-      }
-    }
-  }
-};
-
-var HAS_STRING_BOOLEAN_VALUE$1 = injection.HAS_STRING_BOOLEAN_VALUE;
-
-
-var NS = {
-  xlink: 'http://www.w3.org/1999/xlink',
-  xml: 'http://www.w3.org/XML/1998/namespace'
-};
-
-/**
- * This is a list of all SVG attributes that need special casing,
- * namespacing, or boolean value assignment.
- *
- * When adding attributes to this list, be sure to also add them to
- * the `possibleStandardNames` module to ensure casing and incorrect
- * name warnings.
- *
- * SVG Attributes List:
- * https://www.w3.org/TR/SVG/attindex.html
- * SMIL Spec:
- * https://www.w3.org/TR/smil
- */
-var ATTRS = ['accent-height', 'alignment-baseline', 'arabic-form', 'baseline-shift', 'cap-height', 'clip-path', 'clip-rule', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'dominant-baseline', 'enable-background', 'fill-opacity', 'fill-rule', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'glyph-name', 'glyph-orientation-horizontal', 'glyph-orientation-vertical', 'horiz-adv-x', 'horiz-origin-x', 'image-rendering', 'letter-spacing', 'lighting-color', 'marker-end', 'marker-mid', 'marker-start', 'overline-position', 'overline-thickness', 'paint-order', 'panose-1', 'pointer-events', 'rendering-intent', 'shape-rendering', 'stop-color', 'stop-opacity', 'strikethrough-position', 'strikethrough-thickness', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'text-anchor', 'text-decoration', 'text-rendering', 'underline-position', 'underline-thickness', 'unicode-bidi', 'unicode-range', 'units-per-em', 'v-alphabetic', 'v-hanging', 'v-ideographic', 'v-mathematical', 'vector-effect', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'word-spacing', 'writing-mode', 'x-height', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xmlns:xlink', 'xml:lang', 'xml:space'];
-
-var SVGDOMPropertyConfig = {
-  Properties: {
-    autoReverse: HAS_STRING_BOOLEAN_VALUE$1,
-    externalResourcesRequired: HAS_STRING_BOOLEAN_VALUE$1,
-    preserveAlpha: HAS_STRING_BOOLEAN_VALUE$1
-  },
-  DOMAttributeNames: {
-    autoReverse: 'autoReverse',
-    externalResourcesRequired: 'externalResourcesRequired',
-    preserveAlpha: 'preserveAlpha'
-  },
-  DOMAttributeNamespaces: {
-    xlinkActuate: NS.xlink,
-    xlinkArcrole: NS.xlink,
-    xlinkHref: NS.xlink,
-    xlinkRole: NS.xlink,
-    xlinkShow: NS.xlink,
-    xlinkTitle: NS.xlink,
-    xlinkType: NS.xlink,
-    xmlBase: NS.xml,
-    xmlLang: NS.xml,
-    xmlSpace: NS.xml
-  }
-};
-
-var CAMELIZE = /[\-\:]([a-z])/g;
-var capitalize = function (token) {
-  return token[1].toUpperCase();
-};
-
-ATTRS.forEach(function (original) {
-  var reactName = original.replace(CAMELIZE, capitalize);
-
-  SVGDOMPropertyConfig.Properties[reactName] = 0;
-  SVGDOMPropertyConfig.DOMAttributeNames[reactName] = original;
-});
-
-injection.injectDOMPropertyConfig(HTMLDOMPropertyConfig);
-injection.injectDOMPropertyConfig(SVGDOMPropertyConfig);
-
-var ReactErrorUtils = {
-  // Used by Fiber to simulate a try-catch.
-  _caughtError: null,
-  _hasCaughtError: false,
-
-  // Used by event system to capture/rethrow the first error.
-  _rethrowError: null,
-  _hasRethrowError: false,
-
-  injection: {
-    injectErrorUtils: function (injectedErrorUtils) {
-      !(typeof injectedErrorUtils.invokeGuardedCallback === 'function') ? invariant(false, 'Injected invokeGuardedCallback() must be a function.') : void 0;
-      invokeGuardedCallback = injectedErrorUtils.invokeGuardedCallback;
-    }
-  },
-
-  /**
-   * Call a function while guarding against errors that happens within it.
-   * Returns an error if it throws, otherwise null.
-   *
-   * In production, this is implemented using a try-catch. The reason we don't
-   * use a try-catch directly is so that we can swap out a different
-   * implementation in DEV mode.
-   *
-   * @param {String} name of the guard to use for logging or debugging
-   * @param {Function} func The function to invoke
-   * @param {*} context The context to use when calling the function
-   * @param {...*} args Arguments for function
-   */
-  invokeGuardedCallback: function (name, func, context, a, b, c, d, e, f) {
-    invokeGuardedCallback.apply(ReactErrorUtils, arguments);
-  },
-
-  /**
-   * Same as invokeGuardedCallback, but instead of returning an error, it stores
-   * it in a global so it can be rethrown by `rethrowCaughtError` later.
-   * TODO: See if _caughtError and _rethrowError can be unified.
-   *
-   * @param {String} name of the guard to use for logging or debugging
-   * @param {Function} func The function to invoke
-   * @param {*} context The context to use when calling the function
-   * @param {...*} args Arguments for function
-   */
-  invokeGuardedCallbackAndCatchFirstError: function (name, func, context, a, b, c, d, e, f) {
-    ReactErrorUtils.invokeGuardedCallback.apply(this, arguments);
-    if (ReactErrorUtils.hasCaughtError()) {
-      var error = ReactErrorUtils.clearCaughtError();
-      if (!ReactErrorUtils._hasRethrowError) {
-        ReactErrorUtils._hasRethrowError = true;
-        ReactErrorUtils._rethrowError = error;
-      }
-    }
-  },
-
-  /**
-   * During execution of guarded functions we will capture the first error which
-   * we will rethrow to be handled by the top level error handler.
-   */
-  rethrowCaughtError: function () {
-    return rethrowCaughtError.apply(ReactErrorUtils, arguments);
-  },
-
-  hasCaughtError: function () {
-    return ReactErrorUtils._hasCaughtError;
-  },
-
-  clearCaughtError: function () {
-    if (ReactErrorUtils._hasCaughtError) {
-      var error = ReactErrorUtils._caughtError;
-      ReactErrorUtils._caughtError = null;
-      ReactErrorUtils._hasCaughtError = false;
-      return error;
-    } else {
-      invariant(false, 'clearCaughtError was called but no error was captured. This error is likely caused by a bug in React. Please file an issue.');
-    }
-  }
-};
-
 var invokeGuardedCallback = function (name, func, context, a, b, c, d, e, f) {
-  ReactErrorUtils._hasCaughtError = false;
-  ReactErrorUtils._caughtError = null;
+  this._hasCaughtError = false;
+  this._caughtError = null;
   var funcArgs = Array.prototype.slice.call(arguments, 3);
   try {
     func.apply(context, funcArgs);
   } catch (error) {
-    ReactErrorUtils._caughtError = error;
-    ReactErrorUtils._hasCaughtError = true;
+    this._caughtError = error;
+    this._hasCaughtError = true;
   }
 };
 
@@ -11124,6 +10660,13 @@ var invokeGuardedCallback = function (name, func, context, a, b, c, d, e, f) {
     var fakeNode = document.createElement('react');
 
     var invokeGuardedCallbackDev = function (name, func, context, a, b, c, d, e, f) {
+      // If document doesn't exist we know for sure we will crash in this method
+      // when we call document.createEvent(). However this can cause confusing
+      // errors: https://github.com/facebookincubator/create-react-app/issues/3482
+      // So we preemptively throw with a better message instead.
+      !(typeof document !== 'undefined') ? invariant(false, 'The `document` global was defined when React was initialized, but is not defined anymore. This can happen in a test environment if a component schedules an update from an asynchronous callback, but the test has already finished running. To solve this, you can either unmount the component at the end of your test (and ensure that any asynchronous operations get canceled in `componentWillUnmount`), or you can change the test itself to be asynchronous.') : void 0;
+      var evt = document.createEvent('Event');
+
       // Keeps track of whether the user-provided callback threw an error. We
       // set this to true at the beginning, then set it to false right after
       // calling the function. If the function errors, `didError` will never be
@@ -11179,7 +10722,6 @@ var invokeGuardedCallback = function (name, func, context, a, b, c, d, e, f) {
 
       // Synchronously dispatch our fake event. If the user-provided function
       // errors, it will trigger our global error handler.
-      var evt = document.createEvent('Event');
       evt.initEvent(evtType, false, false);
       fakeNode.dispatchEvent(evt);
 
@@ -11190,11 +10732,11 @@ var invokeGuardedCallback = function (name, func, context, a, b, c, d, e, f) {
         } else if (isCrossOriginError) {
           error = new Error("A cross-origin error was thrown. React doesn't have access to " + 'the actual error object in development. ' + 'See https://fb.me/react-crossorigin-error for more information.');
         }
-        ReactErrorUtils._hasCaughtError = true;
-        ReactErrorUtils._caughtError = error;
+        this._hasCaughtError = true;
+        this._caughtError = error;
       } else {
-        ReactErrorUtils._hasCaughtError = false;
-        ReactErrorUtils._caughtError = null;
+        this._hasCaughtError = false;
+        this._caughtError = null;
       }
 
       // Remove our event listeners
@@ -11205,6 +10747,79 @@ var invokeGuardedCallback = function (name, func, context, a, b, c, d, e, f) {
   }
 }
 
+var invokeGuardedCallback$1 = invokeGuardedCallback;
+
+var ReactErrorUtils = {
+  // Used by Fiber to simulate a try-catch.
+  _caughtError: null,
+  _hasCaughtError: false,
+
+  // Used by event system to capture/rethrow the first error.
+  _rethrowError: null,
+  _hasRethrowError: false,
+
+  /**
+   * Call a function while guarding against errors that happens within it.
+   * Returns an error if it throws, otherwise null.
+   *
+   * In production, this is implemented using a try-catch. The reason we don't
+   * use a try-catch directly is so that we can swap out a different
+   * implementation in DEV mode.
+   *
+   * @param {String} name of the guard to use for logging or debugging
+   * @param {Function} func The function to invoke
+   * @param {*} context The context to use when calling the function
+   * @param {...*} args Arguments for function
+   */
+  invokeGuardedCallback: function (name, func, context, a, b, c, d, e, f) {
+    invokeGuardedCallback$1.apply(ReactErrorUtils, arguments);
+  },
+
+  /**
+   * Same as invokeGuardedCallback, but instead of returning an error, it stores
+   * it in a global so it can be rethrown by `rethrowCaughtError` later.
+   * TODO: See if _caughtError and _rethrowError can be unified.
+   *
+   * @param {String} name of the guard to use for logging or debugging
+   * @param {Function} func The function to invoke
+   * @param {*} context The context to use when calling the function
+   * @param {...*} args Arguments for function
+   */
+  invokeGuardedCallbackAndCatchFirstError: function (name, func, context, a, b, c, d, e, f) {
+    ReactErrorUtils.invokeGuardedCallback.apply(this, arguments);
+    if (ReactErrorUtils.hasCaughtError()) {
+      var error = ReactErrorUtils.clearCaughtError();
+      if (!ReactErrorUtils._hasRethrowError) {
+        ReactErrorUtils._hasRethrowError = true;
+        ReactErrorUtils._rethrowError = error;
+      }
+    }
+  },
+
+  /**
+   * During execution of guarded functions we will capture the first error which
+   * we will rethrow to be handled by the top level error handler.
+   */
+  rethrowCaughtError: function () {
+    return rethrowCaughtError.apply(ReactErrorUtils, arguments);
+  },
+
+  hasCaughtError: function () {
+    return ReactErrorUtils._hasCaughtError;
+  },
+
+  clearCaughtError: function () {
+    if (ReactErrorUtils._hasCaughtError) {
+      var error = ReactErrorUtils._caughtError;
+      ReactErrorUtils._caughtError = null;
+      ReactErrorUtils._hasCaughtError = false;
+      return error;
+    } else {
+      invariant(false, 'clearCaughtError was called but no error was captured. This error is likely caused by a bug in React. Please file an issue.');
+    }
+  }
+};
+
 var rethrowCaughtError = function () {
   if (ReactErrorUtils._hasRethrowError) {
     var error = ReactErrorUtils._rethrowError;
@@ -11393,7 +11008,7 @@ var getFiberCurrentPropsFromNode = null;
 var getInstanceFromNode = null;
 var getNodeFromInstance = null;
 
-var injection$2 = {
+var injection$1 = {
   injectComponentTree: function (Injected) {
     getFiberCurrentPropsFromNode = Injected.getFiberCurrentPropsFromNode;
     getInstanceFromNode = Injected.getInstanceFromNode;
@@ -11410,7 +11025,7 @@ var injection$2 = {
 
 
 
-var validateEventDispatches;
+var validateEventDispatches = void 0;
 {
   validateEventDispatches = function (event) {
     var dispatchListeners = event._dispatchListeners;
@@ -11618,7 +11233,7 @@ function shouldPreventMouseEvent(name, type, props) {
 /**
  * Methods for injecting dependencies.
  */
-var injection$1 = {
+var injection = {
   /**
    * @param {array} InjectedEventPluginOrder
    * @public
@@ -11637,7 +11252,7 @@ var injection$1 = {
  * @return {?function} The stored callback.
  */
 function getListener(inst, registrationName) {
-  var listener;
+  var listener = void 0;
 
   // TODO: shouldPreventMouseEvent is DOM-specific and definitely should not
   // live here; needs to be moved to a better place soon
@@ -11667,7 +11282,7 @@ function getListener(inst, registrationName) {
  * @internal
  */
 function extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget) {
-  var events;
+  var events = null;
   for (var i = 0; i < plugins.length; i++) {
     // Not every plugin in the ordering may be loaded at runtime.
     var possiblePlugin = plugins[i];
@@ -11681,25 +11296,11 @@ function extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget)
   return events;
 }
 
-/**
- * Enqueues a synthetic event that should be dispatched when
- * `processEventQueue` is invoked.
- *
- * @param {*} events An accumulation of synthetic events.
- * @internal
- */
-function enqueueEvents(events) {
-  if (events) {
+function runEventsInBatch(events, simulated) {
+  if (events !== null) {
     eventQueue = accumulateInto(eventQueue, events);
   }
-}
 
-/**
- * Dispatches all synthetic events on the event queue.
- *
- * @internal
- */
-function processEventQueue(simulated) {
   // Set `eventQueue` to null before processing it so that we can tell if more
   // events get enqueued while processing.
   var processingEventQueue = eventQueue;
@@ -11719,12 +11320,16 @@ function processEventQueue(simulated) {
   ReactErrorUtils.rethrowCaughtError();
 }
 
+function runExtractedEventsInBatch(topLevelType, targetInst, nativeEvent, nativeEventTarget) {
+  var events = extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget);
+  runEventsInBatch(events, false);
+}
+
 var EventPluginHub = Object.freeze({
-	injection: injection$1,
+	injection: injection,
 	getListener: getListener,
-	extractEvents: extractEvents,
-	enqueueEvents: enqueueEvents,
-	processEventQueue: processEventQueue
+	runEventsInBatch: runEventsInBatch,
+	runExtractedEventsInBatch: runExtractedEventsInBatch
 });
 
 var IndeterminateComponent = 0; // Before we know whether it is functional or class
@@ -11738,6 +11343,10 @@ var CallComponent = 7;
 var CallHandlerPhase = 8;
 var ReturnComponent = 9;
 var Fragment = 10;
+var Mode = 11;
+var ContextConsumer = 12;
+var ContextProvider = 13;
+var ForwardRef = 14;
 
 var randomKey = Math.random().toString(36).slice(2);
 var internalInstanceKey = '__reactInternalInstance$' + randomKey;
@@ -11756,10 +11365,7 @@ function getClosestInstanceFromNode(node) {
     return node[internalInstanceKey];
   }
 
-  // Walk up the tree until we find an ancestor whose instance we have cached.
-  var parents = [];
   while (!node[internalInstanceKey]) {
-    parents.push(node);
     if (node.parentNode) {
       node = node.parentNode;
     } else {
@@ -11769,17 +11375,13 @@ function getClosestInstanceFromNode(node) {
     }
   }
 
-  var closest = void 0;
   var inst = node[internalInstanceKey];
   if (inst.tag === HostComponent || inst.tag === HostText) {
     // In Fiber, this will always be the deepest root.
     return inst;
   }
-  for (; node && (inst = node[internalInstanceKey]); node = parents.pop()) {
-    closest = inst;
-  }
 
-  return closest;
+  return null;
 }
 
 /**
@@ -11905,7 +11507,7 @@ function traverseTwoPhase(inst, fn, arg) {
     path.push(inst);
     inst = getParent(inst);
   }
-  var i;
+  var i = void 0;
   for (i = path.length; i-- > 0;) {
     fn(path[i], 'captured', arg);
   }
@@ -12122,10 +11724,10 @@ function getData() {
     return compositionState._fallbackText;
   }
 
-  var start;
+  var start = void 0;
   var startValue = compositionState._startText;
   var startLength = startValue.length;
-  var end;
+  var end = void 0;
   var endValue = getText();
   var endLength = endValue.length;
 
@@ -12157,7 +11759,6 @@ function getText() {
 /* eslint valid-typeof: 0 */
 
 var didWarnForAddedNewProperty = false;
-var isProxySupported = typeof Proxy === 'function';
 var EVENT_POOL_SIZE = 10;
 
 var shouldBeReleasedProperties = ['dispatchConfig', '_targetInst', 'nativeEvent', 'isDefaultPrevented', 'isPropagationStopped', '_dispatchListeners', '_dispatchInstances'];
@@ -12318,24 +11919,26 @@ SyntheticEvent.Interface = EventInterface;
 
 /**
  * Helper to reduce boilerplate when creating subclasses.
- *
- * @param {function} Class
- * @param {?object} Interface
  */
-SyntheticEvent.augmentClass = function (Class, Interface) {
+SyntheticEvent.extend = function (Interface) {
   var Super = this;
 
   var E = function () {};
   E.prototype = Super.prototype;
   var prototype = new E();
 
+  function Class() {
+    return Super.apply(this, arguments);
+  }
   _assign(prototype, Class.prototype);
   Class.prototype = prototype;
   Class.prototype.constructor = Class;
 
   Class.Interface = _assign({}, Super.Interface, Interface);
-  Class.augmentClass = Super.augmentClass;
+  Class.extend = Super.extend;
   addEventPoolingTo(Class);
+
+  return Class;
 };
 
 /** Proxying after everything set on SyntheticEvent
@@ -12343,6 +11946,10 @@ SyntheticEvent.augmentClass = function (Class, Interface) {
  * in which some Event properties are set to undefined (GH#10010)
  */
 {
+  var isProxySupported = typeof Proxy === 'function' &&
+  // https://github.com/facebook/react/issues/12011
+  !Object.isSealed(new Proxy({}, {}));
+
   if (isProxySupported) {
     /*eslint-disable no-func-assign */
     SyntheticEvent = new Proxy(SyntheticEvent, {
@@ -12433,42 +12040,18 @@ var SyntheticEvent$1 = SyntheticEvent;
  * @interface Event
  * @see http://www.w3.org/TR/DOM-Level-3-Events/#events-compositionevents
  */
-var CompositionEventInterface = {
+var SyntheticCompositionEvent = SyntheticEvent$1.extend({
   data: null
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticEvent}
- */
-function SyntheticCompositionEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticEvent$1.augmentClass(SyntheticCompositionEvent, CompositionEventInterface);
+});
 
 /**
  * @interface Event
  * @see http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105
  *      /#events-inputevents
  */
-var InputEventInterface = {
+var SyntheticInputEvent = SyntheticEvent$1.extend({
   data: null
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticEvent}
- */
-function SyntheticInputEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticEvent$1.augmentClass(SyntheticInputEvent, InputEventInterface);
+});
 
 var END_KEYCODES = [9, 13, 27, 32]; // Tab, Return, Esc, Space
 var START_KEYCODE = 229;
@@ -12483,22 +12066,13 @@ if (ExecutionEnvironment.canUseDOM && 'documentMode' in document) {
 // Webkit offers a very useful `textInput` event that can be used to
 // directly represent `beforeInput`. The IE `textinput` event is not as
 // useful, so we don't use it.
-var canUseTextInputEvent = ExecutionEnvironment.canUseDOM && 'TextEvent' in window && !documentMode && !isPresto();
+var canUseTextInputEvent = ExecutionEnvironment.canUseDOM && 'TextEvent' in window && !documentMode;
 
 // In IE9+, we have access to composition events, but the data supplied
 // by the native compositionend event may be incorrect. Japanese ideographic
 // spaces, for instance (\u3000) are not recorded correctly.
 var useFallbackCompositionData = ExecutionEnvironment.canUseDOM && (!canUseCompositionEvent || documentMode && documentMode > 8 && documentMode <= 11);
 
-/**
- * Opera <= 12 includes TextEvent in window, but does not fire
- * text input events. Rely on keypress instead.
- */
-function isPresto() {
-  var opera = window.opera;
-  return typeof opera === 'object' && typeof opera.version === 'function' && parseInt(opera.version(), 10) <= 12;
-}
-
 var SPACEBAR_CODE = 32;
 var SPACEBAR_CHAR = String.fromCharCode(SPACEBAR_CODE);
 
@@ -12627,8 +12201,8 @@ var isComposing = false;
  * @return {?object} A SyntheticCompositionEvent.
  */
 function extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget) {
-  var eventType;
-  var fallbackData;
+  var eventType = void 0;
+  var fallbackData = void 0;
 
   if (canUseCompositionEvent) {
     eventType = getCompositionEventType(topLevelType);
@@ -12797,7 +12371,7 @@ function getFallbackBeforeInputChars(topLevelType, nativeEvent) {
  * @return {?object} A SyntheticInputEvent.
  */
 function extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget) {
-  var chars;
+  var chars = void 0;
 
   if (canUseTextInputEvent) {
     chars = getNativeBeforeInputChars(topLevelType, nativeEvent);
@@ -12840,7 +12414,19 @@ var BeforeInputEventPlugin = {
   eventTypes: eventTypes,
 
   extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
-    return [extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget), extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget)];
+    var composition = extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget);
+
+    var beforeInput = extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget);
+
+    if (composition === null) {
+      return beforeInput;
+    }
+
+    if (beforeInput === null) {
+      return composition;
+    }
+
+    return [composition, beforeInput];
   }
 };
 
@@ -12872,7 +12458,7 @@ function restoreStateOfTarget(target) {
   fiberHostComponent.restoreControlledState(internalInstance.stateNode, internalInstance.type, props);
 }
 
-var injection$3 = ReactControlledComponentInjection;
+var injection$2 = ReactControlledComponentInjection;
 
 function enqueueStateRestore(target) {
   if (restoreTarget) {
@@ -12886,6 +12472,10 @@ function enqueueStateRestore(target) {
   }
 }
 
+function needsStateRestore() {
+  return restoreTarget !== null || restoreQueue !== null;
+}
+
 function restoreStateIfNeeded() {
   if (!restoreTarget) {
     return;
@@ -12904,8 +12494,9 @@ function restoreStateIfNeeded() {
 }
 
 var ReactControlledComponent = Object.freeze({
-	injection: injection$3,
+	injection: injection$2,
 	enqueueStateRestore: enqueueStateRestore,
+	needsStateRestore: needsStateRestore,
 	restoreStateIfNeeded: restoreStateIfNeeded
 });
 
@@ -12916,39 +12507,55 @@ var ReactControlledComponent = Object.freeze({
 // scheduled work and instead do synchronous work.
 
 // Defaults
-var fiberBatchedUpdates = function (fn, bookkeeping) {
+var _batchedUpdates = function (fn, bookkeeping) {
   return fn(bookkeeping);
 };
+var _interactiveUpdates = function (fn, a, b) {
+  return fn(a, b);
+};
+var _flushInteractiveUpdates = function () {};
 
-var isNestingBatched = false;
+var isBatching = false;
 function batchedUpdates(fn, bookkeeping) {
-  if (isNestingBatched) {
+  if (isBatching) {
     // If we are currently inside another batch, we need to wait until it
-    // fully completes before restoring state. Therefore, we add the target to
-    // a queue of work.
-    return fiberBatchedUpdates(fn, bookkeeping);
+    // fully completes before restoring state.
+    return fn(bookkeeping);
   }
-  isNestingBatched = true;
+  isBatching = true;
   try {
-    return fiberBatchedUpdates(fn, bookkeeping);
+    return _batchedUpdates(fn, bookkeeping);
   } finally {
     // Here we wait until all updates have propagated, which is important
     // when using controlled components within layers:
     // https://github.com/facebook/react/issues/1698
     // Then we restore state of any controlled component.
-    isNestingBatched = false;
-    restoreStateIfNeeded();
+    isBatching = false;
+    var controlledComponentsHavePendingUpdates = needsStateRestore();
+    if (controlledComponentsHavePendingUpdates) {
+      // If a controlled event was fired, we may need to restore the state of
+      // the DOM node back to the controlled value. This is necessary when React
+      // bails out of the update without touching the DOM.
+      _flushInteractiveUpdates();
+      restoreStateIfNeeded();
+    }
   }
 }
 
-var ReactGenericBatchingInjection = {
-  injectFiberBatchedUpdates: function (_batchedUpdates) {
-    fiberBatchedUpdates = _batchedUpdates;
+function interactiveUpdates(fn, a, b) {
+  return _interactiveUpdates(fn, a, b);
+}
+
+
+
+var injection$3 = {
+  injectRenderer: function (renderer) {
+    _batchedUpdates = renderer.batchedUpdates;
+    _interactiveUpdates = renderer.interactiveUpdates;
+    _flushInteractiveUpdates = renderer.flushInteractiveUpdates;
   }
 };
 
-var injection$4 = ReactGenericBatchingInjection;
-
 /**
  * @see http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary
  */
@@ -13002,7 +12609,7 @@ var DOCUMENT_FRAGMENT_NODE = 11;
  * @return {DOMEventTarget} Target node.
  */
 function getEventTarget(nativeEvent) {
-  var target = nativeEvent.target || nativeEvent.srcElement || window;
+  var target = nativeEvent.target || window;
 
   // Normalize SVG <use> element events #4963
   if (target.correspondingUseElement) {
@@ -13014,14 +12621,6 @@ function getEventTarget(nativeEvent) {
   return target.nodeType === TEXT_NODE ? target.parentNode : target;
 }
 
-var useHasFeature;
-if (ExecutionEnvironment.canUseDOM) {
-  useHasFeature = document.implementation && document.implementation.hasFeature &&
-  // always returns true in newer browsers as per the standard.
-  // @see http://dom.spec.whatwg.org/#dom-domimplementation-hasfeature
-  document.implementation.hasFeature('', '') !== true;
-}
-
 /**
  * Checks if an event is supported in the current execution environment.
  *
@@ -13050,11 +12649,6 @@ function isEventSupported(eventNameSuffix, capture) {
     isSupported = typeof element[eventName] === 'function';
   }
 
-  if (!isSupported && useHasFeature && eventNameSuffix === 'wheel') {
-    // This is the only way to test support for the `wheel` event in IE9+.
-    isSupported = document.implementation.hasFeature('Events.wheel', '3.0');
-  }
-
   return isSupported;
 }
 
@@ -13102,7 +12696,6 @@ function trackValueOnNode(node) {
   }
 
   Object.defineProperty(node, valueField, {
-    enumerable: descriptor.enumerable,
     configurable: true,
     get: function () {
       return descriptor.get.call(this);
@@ -13112,6 +12705,13 @@ function trackValueOnNode(node) {
       descriptor.set.call(this, value);
     }
   });
+  // We could've passed this the first time
+  // but it triggers a bug in IE11 and Edge 14/15.
+  // Calling defineProperty() again should be equivalent.
+  // https://github.com/facebook/react/issues/11768
+  Object.defineProperty(node, valueField, {
+    enumerable: descriptor.enumerable
+  });
 
   var tracker = {
     getValue: function () {
@@ -13158,6 +12758,838 @@ function updateValueIfChanged(node) {
   return false;
 }
 
+var ReactInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
+
+var ReactCurrentOwner = ReactInternals.ReactCurrentOwner;
+var ReactDebugCurrentFrame = ReactInternals.ReactDebugCurrentFrame;
+
+var describeComponentFrame = function (name, source, ownerName) {
+  return '\n    in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : '');
+};
+
+// The Symbol used to tag the ReactElement-like types. If there is no native Symbol
+// nor polyfill, then a plain number is used for performance.
+var hasSymbol = typeof Symbol === 'function' && Symbol['for'];
+
+var REACT_ELEMENT_TYPE = hasSymbol ? Symbol['for']('react.element') : 0xeac7;
+var REACT_CALL_TYPE = hasSymbol ? Symbol['for']('react.call') : 0xeac8;
+var REACT_RETURN_TYPE = hasSymbol ? Symbol['for']('react.return') : 0xeac9;
+var REACT_PORTAL_TYPE = hasSymbol ? Symbol['for']('react.portal') : 0xeaca;
+var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol['for']('react.fragment') : 0xeacb;
+var REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol['for']('react.strict_mode') : 0xeacc;
+var REACT_PROVIDER_TYPE = hasSymbol ? Symbol['for']('react.provider') : 0xeacd;
+var REACT_CONTEXT_TYPE = hasSymbol ? Symbol['for']('react.context') : 0xeace;
+var REACT_ASYNC_MODE_TYPE = hasSymbol ? Symbol['for']('react.async_mode') : 0xeacf;
+var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol['for']('react.forward_ref') : 0xead0;
+
+var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
+var FAUX_ITERATOR_SYMBOL = '@@iterator';
+
+function getIteratorFn(maybeIterable) {
+  if (maybeIterable === null || typeof maybeIterable === 'undefined') {
+    return null;
+  }
+  var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];
+  if (typeof maybeIterator === 'function') {
+    return maybeIterator;
+  }
+  return null;
+}
+
+function getComponentName(fiber) {
+  var type = fiber.type;
+
+  if (typeof type === 'function') {
+    return type.displayName || type.name;
+  }
+  if (typeof type === 'string') {
+    return type;
+  }
+  switch (type) {
+    case REACT_FRAGMENT_TYPE:
+      return 'ReactFragment';
+    case REACT_PORTAL_TYPE:
+      return 'ReactPortal';
+    case REACT_CALL_TYPE:
+      return 'ReactCall';
+    case REACT_RETURN_TYPE:
+      return 'ReactReturn';
+  }
+  return null;
+}
+
+function describeFiber(fiber) {
+  switch (fiber.tag) {
+    case IndeterminateComponent:
+    case FunctionalComponent:
+    case ClassComponent:
+    case HostComponent:
+      var owner = fiber._debugOwner;
+      var source = fiber._debugSource;
+      var name = getComponentName(fiber);
+      var ownerName = null;
+      if (owner) {
+        ownerName = getComponentName(owner);
+      }
+      return describeComponentFrame(name, source, ownerName);
+    default:
+      return '';
+  }
+}
+
+// This function can only be called with a work-in-progress fiber and
+// only during begin or complete phase. Do not call it under any other
+// circumstances.
+function getStackAddendumByWorkInProgressFiber(workInProgress) {
+  var info = '';
+  var node = workInProgress;
+  do {
+    info += describeFiber(node);
+    // Otherwise this return pointer might point to the wrong tree:
+    node = node['return'];
+  } while (node);
+  return info;
+}
+
+function getCurrentFiberOwnerName$1() {
+  {
+    var fiber = ReactDebugCurrentFiber.current;
+    if (fiber === null) {
+      return null;
+    }
+    var owner = fiber._debugOwner;
+    if (owner !== null && typeof owner !== 'undefined') {
+      return getComponentName(owner);
+    }
+  }
+  return null;
+}
+
+function getCurrentFiberStackAddendum$1() {
+  {
+    var fiber = ReactDebugCurrentFiber.current;
+    if (fiber === null) {
+      return null;
+    }
+    // Safe because if current fiber exists, we are reconciling,
+    // and it is guaranteed to be the work-in-progress version.
+    return getStackAddendumByWorkInProgressFiber(fiber);
+  }
+  return null;
+}
+
+function resetCurrentFiber() {
+  ReactDebugCurrentFrame.getCurrentStack = null;
+  ReactDebugCurrentFiber.current = null;
+  ReactDebugCurrentFiber.phase = null;
+}
+
+function setCurrentFiber(fiber) {
+  ReactDebugCurrentFrame.getCurrentStack = getCurrentFiberStackAddendum$1;
+  ReactDebugCurrentFiber.current = fiber;
+  ReactDebugCurrentFiber.phase = null;
+}
+
+function setCurrentPhase(phase) {
+  ReactDebugCurrentFiber.phase = phase;
+}
+
+var ReactDebugCurrentFiber = {
+  current: null,
+  phase: null,
+  resetCurrentFiber: resetCurrentFiber,
+  setCurrentFiber: setCurrentFiber,
+  setCurrentPhase: setCurrentPhase,
+  getCurrentFiberOwnerName: getCurrentFiberOwnerName$1,
+  getCurrentFiberStackAddendum: getCurrentFiberStackAddendum$1
+};
+
+// A reserved attribute.
+// It is handled by React separately and shouldn't be written to the DOM.
+var RESERVED = 0;
+
+// A simple string attribute.
+// Attributes that aren't in the whitelist are presumed to have this type.
+var STRING = 1;
+
+// A string attribute that accepts booleans in React. In HTML, these are called
+// "enumerated" attributes with "true" and "false" as possible values.
+// When true, it should be set to a "true" string.
+// When false, it should be set to a "false" string.
+var BOOLEANISH_STRING = 2;
+
+// A real boolean attribute.
+// When true, it should be present (set either to an empty string or its name).
+// When false, it should be omitted.
+var BOOLEAN = 3;
+
+// An attribute that can be used as a flag as well as with a value.
+// When true, it should be present (set either to an empty string or its name).
+// When false, it should be omitted.
+// For any other value, should be present with that value.
+var OVERLOADED_BOOLEAN = 4;
+
+// An attribute that must be numeric or parse as a numeric.
+// When falsy, it should be removed.
+var NUMERIC = 5;
+
+// An attribute that must be positive numeric or parse as a positive numeric.
+// When falsy, it should be removed.
+var POSITIVE_NUMERIC = 6;
+
+/* eslint-disable max-len */
+var ATTRIBUTE_NAME_START_CHAR = ':A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD';
+/* eslint-enable max-len */
+var ATTRIBUTE_NAME_CHAR = ATTRIBUTE_NAME_START_CHAR + '\\-.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040';
+
+
+var ROOT_ATTRIBUTE_NAME = 'data-reactroot';
+var VALID_ATTRIBUTE_NAME_REGEX = new RegExp('^[' + ATTRIBUTE_NAME_START_CHAR + '][' + ATTRIBUTE_NAME_CHAR + ']*$');
+
+var illegalAttributeNameCache = {};
+var validatedAttributeNameCache = {};
+
+function isAttributeNameSafe(attributeName) {
+  if (validatedAttributeNameCache.hasOwnProperty(attributeName)) {
+    return true;
+  }
+  if (illegalAttributeNameCache.hasOwnProperty(attributeName)) {
+    return false;
+  }
+  if (VALID_ATTRIBUTE_NAME_REGEX.test(attributeName)) {
+    validatedAttributeNameCache[attributeName] = true;
+    return true;
+  }
+  illegalAttributeNameCache[attributeName] = true;
+  {
+    warning(false, 'Invalid attribute name: `%s`', attributeName);
+  }
+  return false;
+}
+
+function shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag) {
+  if (propertyInfo !== null) {
+    return propertyInfo.type === RESERVED;
+  }
+  if (isCustomComponentTag) {
+    return false;
+  }
+  if (name.length > 2 && (name[0] === 'o' || name[0] === 'O') && (name[1] === 'n' || name[1] === 'N')) {
+    return true;
+  }
+  return false;
+}
+
+function shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag) {
+  if (propertyInfo !== null && propertyInfo.type === RESERVED) {
+    return false;
+  }
+  switch (typeof value) {
+    case 'function':
+    // $FlowIssue symbol is perfectly valid here
+    case 'symbol':
+      // eslint-disable-line
+      return true;
+    case 'boolean':
+      {
+        if (isCustomComponentTag) {
+          return false;
+        }
+        if (propertyInfo !== null) {
+          return !propertyInfo.acceptsBooleans;
+        } else {
+          var prefix = name.toLowerCase().slice(0, 5);
+          return prefix !== 'data-' && prefix !== 'aria-';
+        }
+      }
+    default:
+      return false;
+  }
+}
+
+function shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag) {
+  if (value === null || typeof value === 'undefined') {
+    return true;
+  }
+  if (shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag)) {
+    return true;
+  }
+  if (propertyInfo !== null) {
+    switch (propertyInfo.type) {
+      case BOOLEAN:
+        return !value;
+      case OVERLOADED_BOOLEAN:
+        return value === false;
+      case NUMERIC:
+        return isNaN(value);
+      case POSITIVE_NUMERIC:
+        return isNaN(value) || value < 1;
+    }
+  }
+  return false;
+}
+
+function getPropertyInfo(name) {
+  return properties.hasOwnProperty(name) ? properties[name] : null;
+}
+
+function PropertyInfoRecord(name, type, mustUseProperty, attributeName, attributeNamespace) {
+  this.acceptsBooleans = type === BOOLEANISH_STRING || type === BOOLEAN || type === OVERLOADED_BOOLEAN;
+  this.attributeName = attributeName;
+  this.attributeNamespace = attributeNamespace;
+  this.mustUseProperty = mustUseProperty;
+  this.propertyName = name;
+  this.type = type;
+}
+
+// When adding attributes to this list, be sure to also add them to
+// the `possibleStandardNames` module to ensure casing and incorrect
+// name warnings.
+var properties = {};
+
+// These props are reserved by React. They shouldn't be written to the DOM.
+['children', 'dangerouslySetInnerHTML',
+// TODO: This prevents the assignment of defaultValue to regular
+// elements (not just inputs). Now that ReactDOMInput assigns to the
+// defaultValue property -- do we need this?
+'defaultValue', 'defaultChecked', 'innerHTML', 'suppressContentEditableWarning', 'suppressHydrationWarning', 'style'].forEach(function (name) {
+  properties[name] = new PropertyInfoRecord(name, RESERVED, false, // mustUseProperty
+  name, // attributeName
+  null);
+});
+
+// A few React string attributes have a different name.
+// This is a mapping from React prop names to the attribute names.
+[['acceptCharset', 'accept-charset'], ['className', 'class'], ['htmlFor', 'for'], ['httpEquiv', 'http-equiv']].forEach(function (_ref) {
+  var name = _ref[0],
+      attributeName = _ref[1];
+
+  properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
+  attributeName, // attributeName
+  null);
+});
+
+// These are "enumerated" HTML attributes that accept "true" and "false".
+// In React, we let users pass `true` and `false` even though technically
+// these aren't boolean attributes (they are coerced to strings).
+['contentEditable', 'draggable', 'spellCheck', 'value'].forEach(function (name) {
+  properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty
+  name.toLowerCase(), // attributeName
+  null);
+});
+
+// These are "enumerated" SVG attributes that accept "true" and "false".
+// In React, we let users pass `true` and `false` even though technically
+// these aren't boolean attributes (they are coerced to strings).
+// Since these are SVG attributes, their attribute names are case-sensitive.
+['autoReverse', 'externalResourcesRequired', 'preserveAlpha'].forEach(function (name) {
+  properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty
+  name, // attributeName
+  null);
+});
+
+// These are HTML boolean attributes.
+['allowFullScreen', 'async',
+// Note: there is a special case that prevents it from being written to the DOM
+// on the client side because the browsers are inconsistent. Instead we call focus().
+'autoFocus', 'autoPlay', 'controls', 'default', 'defer', 'disabled', 'formNoValidate', 'hidden', 'loop', 'noModule', 'noValidate', 'open', 'playsInline', 'readOnly', 'required', 'reversed', 'scoped', 'seamless',
+// Microdata
+'itemScope'].forEach(function (name) {
+  properties[name] = new PropertyInfoRecord(name, BOOLEAN, false, // mustUseProperty
+  name.toLowerCase(), // attributeName
+  null);
+});
+
+// These are the few React props that we set as DOM properties
+// rather than attributes. These are all booleans.
+['checked',
+// Note: `option.selected` is not updated if `select.multiple` is
+// disabled with `removeAttribute`. We have special logic for handling this.
+'multiple', 'muted', 'selected'].forEach(function (name) {
+  properties[name] = new PropertyInfoRecord(name, BOOLEAN, true, // mustUseProperty
+  name.toLowerCase(), // attributeName
+  null);
+});
+
+// These are HTML attributes that are "overloaded booleans": they behave like
+// booleans, but can also accept a string value.
+['capture', 'download'].forEach(function (name) {
+  properties[name] = new PropertyInfoRecord(name, OVERLOADED_BOOLEAN, false, // mustUseProperty
+  name.toLowerCase(), // attributeName
+  null);
+});
+
+// These are HTML attributes that must be positive numbers.
+['cols', 'rows', 'size', 'span'].forEach(function (name) {
+  properties[name] = new PropertyInfoRecord(name, POSITIVE_NUMERIC, false, // mustUseProperty
+  name.toLowerCase(), // attributeName
+  null);
+});
+
+// These are HTML attributes that must be numbers.
+['rowSpan', 'start'].forEach(function (name) {
+  properties[name] = new PropertyInfoRecord(name, NUMERIC, false, // mustUseProperty
+  name.toLowerCase(), // attributeName
+  null);
+});
+
+var CAMELIZE = /[\-\:]([a-z])/g;
+var capitalize = function (token) {
+  return token[1].toUpperCase();
+};
+
+// This is a list of all SVG attributes that need special casing, namespacing,
+// or boolean value assignment. Regular attributes that just accept strings
+// and have the same names are omitted, just like in the HTML whitelist.
+// Some of these attributes can be hard to find. This list was created by
+// scrapping the MDN documentation.
+['accent-height', 'alignment-baseline', 'arabic-form', 'baseline-shift', 'cap-height', 'clip-path', 'clip-rule', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'dominant-baseline', 'enable-background', 'fill-opacity', 'fill-rule', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'glyph-name', 'glyph-orientation-horizontal', 'glyph-orientation-vertical', 'horiz-adv-x', 'horiz-origin-x', 'image-rendering', 'letter-spacing', 'lighting-color', 'marker-end', 'marker-mid', 'marker-start', 'overline-position', 'overline-thickness', 'paint-order', 'panose-1', 'pointer-events', 'rendering-intent', 'shape-rendering', 'stop-color', 'stop-opacity', 'strikethrough-position', 'strikethrough-thickness', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'text-anchor', 'text-decoration', 'text-rendering', 'underline-position', 'underline-thickness', 'unicode-bidi', 'unicode-range', 'units-per-em', 'v-alphabetic', 'v-hanging', 'v-ideographic', 'v-mathematical', 'vector-effect', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'word-spacing', 'writing-mode', 'xmlns:xlink', 'x-height'].forEach(function (attributeName) {
+  var name = attributeName.replace(CAMELIZE, capitalize);
+  properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
+  attributeName, null);
+});
+
+// String SVG attributes with the xlink namespace.
+['xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type'].forEach(function (attributeName) {
+  var name = attributeName.replace(CAMELIZE, capitalize);
+  properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
+  attributeName, 'http://www.w3.org/1999/xlink');
+});
+
+// String SVG attributes with the xml namespace.
+['xml:base', 'xml:lang', 'xml:space'].forEach(function (attributeName) {
+  var name = attributeName.replace(CAMELIZE, capitalize);
+  properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
+  attributeName, 'http://www.w3.org/XML/1998/namespace');
+});
+
+// Special case: this attribute exists both in HTML and SVG.
+// Its "tabindex" attribute name is case-sensitive in SVG so we can't just use
+// its React `tabIndex` name, like we do for attributes that exist only in HTML.
+properties.tabIndex = new PropertyInfoRecord('tabIndex', STRING, false, // mustUseProperty
+'tabindex', // attributeName
+null);
+
+/**
+ * Get the value for a property on a node. Only used in DEV for SSR validation.
+ * The "expected" argument is used as a hint of what the expected value is.
+ * Some properties have multiple equivalent values.
+ */
+function getValueForProperty(node, name, expected, propertyInfo) {
+  {
+    if (propertyInfo.mustUseProperty) {
+      var propertyName = propertyInfo.propertyName;
+
+      return node[propertyName];
+    } else {
+      var attributeName = propertyInfo.attributeName;
+
+      var stringValue = null;
+
+      if (propertyInfo.type === OVERLOADED_BOOLEAN) {
+        if (node.hasAttribute(attributeName)) {
+          var value = node.getAttribute(attributeName);
+          if (value === '') {
+            return true;
+          }
+          if (shouldRemoveAttribute(name, expected, propertyInfo, false)) {
+            return value;
+          }
+          if (value === '' + expected) {
+            return expected;
+          }
+          return value;
+        }
+      } else if (node.hasAttribute(attributeName)) {
+        if (shouldRemoveAttribute(name, expected, propertyInfo, false)) {
+          // We had an attribute but shouldn't have had one, so read it
+          // for the error message.
+          return node.getAttribute(attributeName);
+        }
+        if (propertyInfo.type === BOOLEAN) {
+          // If this was a boolean, it doesn't matter what the value is
+          // the fact that we have it is the same as the expected.
+          return expected;
+        }
+        // Even if this property uses a namespace we use getAttribute
+        // because we assume its namespaced name is the same as our config.
+        // To use getAttributeNS we need the local name which we don't have
+        // in our config atm.
+        stringValue = node.getAttribute(attributeName);
+      }
+
+      if (shouldRemoveAttribute(name, expected, propertyInfo, false)) {
+        return stringValue === null ? expected : stringValue;
+      } else if (stringValue === '' + expected) {
+        return expected;
+      } else {
+        return stringValue;
+      }
+    }
+  }
+}
+
+/**
+ * Get the value for a attribute on a node. Only used in DEV for SSR validation.
+ * The third argument is used as a hint of what the expected value is. Some
+ * attributes have multiple equivalent values.
+ */
+function getValueForAttribute(node, name, expected) {
+  {
+    if (!isAttributeNameSafe(name)) {
+      return;
+    }
+    if (!node.hasAttribute(name)) {
+      return expected === undefined ? undefined : null;
+    }
+    var value = node.getAttribute(name);
+    if (value === '' + expected) {
+      return expected;
+    }
+    return value;
+  }
+}
+
+/**
+ * Sets the value for a property on a node.
+ *
+ * @param {DOMElement} node
+ * @param {string} name
+ * @param {*} value
+ */
+function setValueForProperty(node, name, value, isCustomComponentTag) {
+  var propertyInfo = getPropertyInfo(name);
+  if (shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag)) {
+    return;
+  }
+  if (shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag)) {
+    value = null;
+  }
+  // If the prop isn't in the special list, treat it as a simple attribute.
+  if (isCustomComponentTag || propertyInfo === null) {
+    if (isAttributeNameSafe(name)) {
+      var _attributeName = name;
+      if (value === null) {
+        node.removeAttribute(_attributeName);
+      } else {
+        node.setAttribute(_attributeName, '' + value);
+      }
+    }
+    return;
+  }
+  var mustUseProperty = propertyInfo.mustUseProperty;
+
+  if (mustUseProperty) {
+    var propertyName = propertyInfo.propertyName;
+
+    if (value === null) {
+      var type = propertyInfo.type;
+
+      node[propertyName] = type === BOOLEAN ? false : '';
+    } else {
+      // Contrary to `setAttribute`, object properties are properly
+      // `toString`ed by IE8/9.
+      node[propertyName] = value;
+    }
+    return;
+  }
+  // The rest are treated as attributes with special cases.
+  var attributeName = propertyInfo.attributeName,
+      attributeNamespace = propertyInfo.attributeNamespace;
+
+  if (value === null) {
+    node.removeAttribute(attributeName);
+  } else {
+    var _type = propertyInfo.type;
+
+    var attributeValue = void 0;
+    if (_type === BOOLEAN || _type === OVERLOADED_BOOLEAN && value === true) {
+      attributeValue = '';
+    } else {
+      // `setAttribute` with objects becomes only `[object]` in IE8/9,
+      // ('' + value) makes it output the correct toString()-value.
+      attributeValue = '' + value;
+    }
+    if (attributeNamespace) {
+      node.setAttributeNS(attributeNamespace, attributeName, attributeValue);
+    } else {
+      node.setAttribute(attributeName, attributeValue);
+    }
+  }
+}
+
+var ReactControlledValuePropTypes = {
+  checkPropTypes: null
+};
+
+{
+  var hasReadOnlyValue = {
+    button: true,
+    checkbox: true,
+    image: true,
+    hidden: true,
+    radio: true,
+    reset: true,
+    submit: true
+  };
+
+  var propTypes = {
+    value: function (props, propName, componentName) {
+      if (!props[propName] || hasReadOnlyValue[props.type] || props.onChange || props.readOnly || props.disabled) {
+        return null;
+      }
+      return new Error('You provided a `value` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultValue`. Otherwise, ' + 'set either `onChange` or `readOnly`.');
+    },
+    checked: function (props, propName, componentName) {
+      if (!props[propName] || props.onChange || props.readOnly || props.disabled) {
+        return null;
+      }
+      return new Error('You provided a `checked` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultChecked`. Otherwise, ' + 'set either `onChange` or `readOnly`.');
+    }
+  };
+
+  /**
+   * Provide a linked `value` attribute for controlled forms. You should not use
+   * this outside of the ReactDOM controlled form components.
+   */
+  ReactControlledValuePropTypes.checkPropTypes = function (tagName, props, getStack) {
+    checkPropTypes(propTypes, props, 'prop', tagName, getStack);
+  };
+}
+
+// TODO: direct imports like some-package/src/* are bad. Fix me.
+var getCurrentFiberOwnerName = ReactDebugCurrentFiber.getCurrentFiberOwnerName;
+var getCurrentFiberStackAddendum = ReactDebugCurrentFiber.getCurrentFiberStackAddendum;
+
+var didWarnValueDefaultValue = false;
+var didWarnCheckedDefaultChecked = false;
+var didWarnControlledToUncontrolled = false;
+var didWarnUncontrolledToControlled = false;
+
+function isControlled(props) {
+  var usesChecked = props.type === 'checkbox' || props.type === 'radio';
+  return usesChecked ? props.checked != null : props.value != null;
+}
+
+/**
+ * Implements an <input> host component that allows setting these optional
+ * props: `checked`, `value`, `defaultChecked`, and `defaultValue`.
+ *
+ * If `checked` or `value` are not supplied (or null/undefined), user actions
+ * that affect the checked state or value will trigger updates to the element.
+ *
+ * If they are supplied (and not null/undefined), the rendered element will not
+ * trigger updates to the element. Instead, the props must change in order for
+ * the rendered element to be updated.
+ *
+ * The rendered element will be initialized as unchecked (or `defaultChecked`)
+ * with an empty value (or `defaultValue`).
+ *
+ * See http://www.w3.org/TR/2012/WD-html5-20121025/the-input-element.html
+ */
+
+function getHostProps(element, props) {
+  var node = element;
+  var checked = props.checked;
+
+  var hostProps = _assign({}, props, {
+    defaultChecked: undefined,
+    defaultValue: undefined,
+    value: undefined,
+    checked: checked != null ? checked : node._wrapperState.initialChecked
+  });
+
+  return hostProps;
+}
+
+function initWrapperState(element, props) {
+  {
+    ReactControlledValuePropTypes.checkPropTypes('input', props, getCurrentFiberStackAddendum);
+
+    if (props.checked !== undefined && props.defaultChecked !== undefined && !didWarnCheckedDefaultChecked) {
+      warning(false, '%s contains an input of type %s with both checked and defaultChecked props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the checked prop, or the defaultChecked prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerName() || 'A component', props.type);
+      didWarnCheckedDefaultChecked = true;
+    }
+    if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValueDefaultValue) {
+      warning(false, '%s contains an input of type %s with both value and defaultValue props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerName() || 'A component', props.type);
+      didWarnValueDefaultValue = true;
+    }
+  }
+
+  var node = element;
+  var defaultValue = props.defaultValue == null ? '' : props.defaultValue;
+
+  node._wrapperState = {
+    initialChecked: props.checked != null ? props.checked : props.defaultChecked,
+    initialValue: getSafeValue(props.value != null ? props.value : defaultValue),
+    controlled: isControlled(props)
+  };
+}
+
+function updateChecked(element, props) {
+  var node = element;
+  var checked = props.checked;
+  if (checked != null) {
+    setValueForProperty(node, 'checked', checked, false);
+  }
+}
+
+function updateWrapper(element, props) {
+  var node = element;
+  {
+    var _controlled = isControlled(props);
+
+    if (!node._wrapperState.controlled && _controlled && !didWarnUncontrolledToControlled) {
+      warning(false, 'A component is changing an uncontrolled input of type %s to be controlled. ' + 'Input elements should not switch from uncontrolled to controlled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components%s', props.type, getCurrentFiberStackAddendum());
+      didWarnUncontrolledToControlled = true;
+    }
+    if (node._wrapperState.controlled && !_controlled && !didWarnControlledToUncontrolled) {
+      warning(false, 'A component is changing a controlled input of type %s to be uncontrolled. ' + 'Input elements should not switch from controlled to uncontrolled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components%s', props.type, getCurrentFiberStackAddendum());
+      didWarnControlledToUncontrolled = true;
+    }
+  }
+
+  updateChecked(element, props);
+
+  var value = getSafeValue(props.value);
+
+  if (value != null) {
+    if (props.type === 'number') {
+      if (value === 0 && node.value === '' ||
+      // eslint-disable-next-line
+      node.value != value) {
+        node.value = '' + value;
+      }
+    } else if (node.value !== '' + value) {
+      node.value = '' + value;
+    }
+  }
+
+  if (props.hasOwnProperty('value')) {
+    setDefaultValue(node, props.type, value);
+  } else if (props.hasOwnProperty('defaultValue')) {
+    setDefaultValue(node, props.type, getSafeValue(props.defaultValue));
+  }
+
+  if (props.checked == null && props.defaultChecked != null) {
+    node.defaultChecked = !!props.defaultChecked;
+  }
+}
+
+function postMountWrapper(element, props) {
+  var node = element;
+
+  if (props.hasOwnProperty('value') || props.hasOwnProperty('defaultValue')) {
+    // Do not assign value if it is already set. This prevents user text input
+    // from being lost during SSR hydration.
+    if (node.value === '') {
+      node.value = '' + node._wrapperState.initialValue;
+    }
+
+    // value must be assigned before defaultValue. This fixes an issue where the
+    // visually displayed value of date inputs disappears on mobile Safari and Chrome:
+    // https://github.com/facebook/react/issues/7233
+    node.defaultValue = '' + node._wrapperState.initialValue;
+  }
+
+  // Normally, we'd just do `node.checked = node.checked` upon initial mount, less this bug
+  // this is needed to work around a chrome bug where setting defaultChecked
+  // will sometimes influence the value of checked (even after detachment).
+  // Reference: https://bugs.chromium.org/p/chromium/issues/detail?id=608416
+  // We need to temporarily unset name to avoid disrupting radio button groups.
+  var name = node.name;
+  if (name !== '') {
+    node.name = '';
+  }
+  node.defaultChecked = !node.defaultChecked;
+  node.defaultChecked = !node.defaultChecked;
+  if (name !== '') {
+    node.name = name;
+  }
+}
+
+function restoreControlledState(element, props) {
+  var node = element;
+  updateWrapper(node, props);
+  updateNamedCousins(node, props);
+}
+
+function updateNamedCousins(rootNode, props) {
+  var name = props.name;
+  if (props.type === 'radio' && name != null) {
+    var queryRoot = rootNode;
+
+    while (queryRoot.parentNode) {
+      queryRoot = queryRoot.parentNode;
+    }
+
+    // If `rootNode.form` was non-null, then we could try `form.elements`,
+    // but that sometimes behaves strangely in IE8. We could also try using
+    // `form.getElementsByName`, but that will only return direct children
+    // and won't include inputs that use the HTML5 `form=` attribute. Since
+    // the input might not even be in a form. It might not even be in the
+    // document. Let's just use the local `querySelectorAll` to ensure we don't
+    // miss anything.
+    var group = queryRoot.querySelectorAll('input[name=' + JSON.stringify('' + name) + '][type="radio"]');
+
+    for (var i = 0; i < group.length; i++) {
+      var otherNode = group[i];
+      if (otherNode === rootNode || otherNode.form !== rootNode.form) {
+        continue;
+      }
+      // This will throw if radio buttons rendered by different copies of React
+      // and the same name are rendered into the same form (same as #1939).
+      // That's probably okay; we don't support it just as we don't support
+      // mixing React radio buttons with non-React ones.
+      var otherProps = getFiberCurrentPropsFromNode$1(otherNode);
+      !otherProps ? invariant(false, 'ReactDOMInput: Mixing React and non-React radio inputs with the same `name` is not supported.') : void 0;
+
+      // We need update the tracked value on the named cousin since the value
+      // was changed but the input saw no event or value set
+      updateValueIfChanged(otherNode);
+
+      // If this is a controlled radio button group, forcing the input that
+      // was previously checked to update will cause it to be come re-checked
+      // as appropriate.
+      updateWrapper(otherNode, otherProps);
+    }
+  }
+}
+
+// In Chrome, assigning defaultValue to certain input types triggers input validation.
+// For number inputs, the display value loses trailing decimal points. For email inputs,
+// Chrome raises "The specified value <x> is not a valid email address".
+//
+// Here we check to see if the defaultValue has actually changed, avoiding these problems
+// when the user is inputting text
+//
+// https://github.com/facebook/react/issues/7253
+function setDefaultValue(node, type, value) {
+  if (
+  // Focused number inputs synchronize on blur. See ChangeEventPlugin.js
+  type !== 'number' || node.ownerDocument.activeElement !== node) {
+    if (value == null) {
+      node.defaultValue = '' + node._wrapperState.initialValue;
+    } else if (node.defaultValue !== '' + value) {
+      node.defaultValue = '' + value;
+    }
+  }
+}
+
+function getSafeValue(value) {
+  switch (typeof value) {
+    case 'boolean':
+    case 'number':
+    case 'object':
+    case 'string':
+    case 'undefined':
+      return value;
+    default:
+      // function, symbol are assigned as empty strings
+      return '';
+  }
+}
+
 var eventTypes$1 = {
   change: {
     phasedRegistrationNames: {
@@ -13208,8 +13640,7 @@ function manualDispatchChangeEvent(nativeEvent) {
 }
 
 function runEventInBatch(event) {
-  enqueueEvents(event);
-  processEventQueue(false);
+  runEventsInBatch(event, false);
 }
 
 function getInstIfValueChanged(targetInst) {
@@ -13345,10 +13776,7 @@ function handleControlledInputBlur(inst, node) {
   }
 
   // If controlled, assign the value attribute to the current value on blur
-  var value = '' + node.value;
-  if (node.getAttribute('value') !== value) {
-    node.setAttribute('value', value);
-  }
+  setDefaultValue(node, 'number', node.value);
 }
 
 /**
@@ -13369,7 +13797,8 @@ var ChangeEventPlugin = {
   extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
     var targetNode = targetInst ? getNodeFromInstance$1(targetInst) : window;
 
-    var getTargetInstFunc, handleEventFunc;
+    var getTargetInstFunc = void 0,
+        handleEventFunc = void 0;
     if (shouldUseChangeEvent(targetNode)) {
       getTargetInstFunc = getTargetInstForChangeEvent;
     } else if (isTextInputElement(targetNode)) {
@@ -13413,26 +13842,10 @@ var ChangeEventPlugin = {
  */
 var DOMEventPluginOrder = ['ResponderEventPlugin', 'SimpleEventPlugin', 'TapEventPlugin', 'EnterLeaveEventPlugin', 'ChangeEventPlugin', 'SelectEventPlugin', 'BeforeInputEventPlugin'];
 
-/**
- * @interface UIEvent
- * @see http://www.w3.org/TR/DOM-Level-3-Events/
- */
-var UIEventInterface = {
+var SyntheticUIEvent = SyntheticEvent$1.extend({
   view: null,
   detail: null
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticEvent}
- */
-function SyntheticUIEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticEvent$1.augmentClass(SyntheticUIEvent, UIEventInterface);
+});
 
 /**
  * Translation from modifier key to the associated property in the event.
@@ -13467,7 +13880,7 @@ function getEventModifierState(nativeEvent) {
  * @interface MouseEvent
  * @see http://www.w3.org/TR/DOM-Level-3-Events/
  */
-var MouseEventInterface = {
+var SyntheticMouseEvent = SyntheticUIEvent.extend({
   screenX: null,
   screenY: null,
   clientX: null,
@@ -13484,19 +13897,7 @@ var MouseEventInterface = {
   relatedTarget: function (event) {
     return event.relatedTarget || (event.fromElement === event.srcElement ? event.toElement : event.fromElement);
   }
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticUIEvent}
- */
-function SyntheticMouseEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticUIEvent.augmentClass(SyntheticMouseEvent, MouseEventInterface);
+});
 
 var eventTypes$2 = {
   mouseEnter: {
@@ -13528,7 +13929,7 @@ var EnterLeaveEventPlugin = {
       return null;
     }
 
-    var win;
+    var win = void 0;
     if (nativeEventTarget.window === nativeEventTarget) {
       // `nativeEventTarget` is probably a window object.
       win = nativeEventTarget;
@@ -13542,8 +13943,8 @@ var EnterLeaveEventPlugin = {
       }
     }
 
-    var from;
-    var to;
+    var from = void 0;
+    var to = void 0;
     if (topLevelType === 'topMouseOut') {
       from = targetInst;
       var related = nativeEvent.relatedTarget || nativeEvent.toElement;
@@ -13607,36 +14008,27 @@ function set(key, value) {
   key._reactInternalFiber = value;
 }
 
-var ReactInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
-
-var ReactCurrentOwner = ReactInternals.ReactCurrentOwner;
-var ReactDebugCurrentFrame = ReactInternals.ReactDebugCurrentFrame;
-
-function getComponentName(fiber) {
-  var type = fiber.type;
-
-  if (typeof type === 'string') {
-    return type;
-  }
-  if (typeof type === 'function') {
-    return type.displayName || type.name;
-  }
-  return null;
-}
-
-// Don't change these two values:
-var NoEffect = 0; //           0b00000000
-var PerformedWork = 1; //      0b00000001
+// Don't change these two values. They're used by React Dev Tools.
+var NoEffect = /*              */0;
+var PerformedWork = /*         */1;
 
 // You can change the rest (and add more).
-var Placement = 2; //          0b00000010
-var Update = 4; //             0b00000100
-var PlacementAndUpdate = 6; // 0b00000110
-var Deletion = 8; //           0b00001000
-var ContentReset = 16; //      0b00010000
-var Callback = 32; //          0b00100000
-var Err = 64; //               0b01000000
-var Ref = 128; //              0b10000000
+var Placement = /*             */2;
+var Update = /*                */4;
+var PlacementAndUpdate = /*    */6;
+var Deletion = /*              */8;
+var ContentReset = /*          */16;
+var Callback = /*              */32;
+var DidCapture = /*            */64;
+var Ref = /*                   */128;
+var ErrLog = /*                */256;
+var Snapshot = /*              */2048;
+
+// Union of all host effects
+var HostEffectMask = /*        */2559;
+
+var Incomplete = /*            */512;
+var ShouldCapture = /*         */1024;
 
 var MOUNTING = 1;
 var MOUNTED = 2;
@@ -13875,6 +14267,446 @@ function findCurrentHostFiberWithNoPortals(parent) {
   return null;
 }
 
+function addEventBubbleListener(element, eventType, listener) {
+  element.addEventListener(eventType, listener, false);
+}
+
+function addEventCaptureListener(element, eventType, listener) {
+  element.addEventListener(eventType, listener, true);
+}
+
+/**
+ * @interface Event
+ * @see http://www.w3.org/TR/css3-animations/#AnimationEvent-interface
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/AnimationEvent
+ */
+var SyntheticAnimationEvent = SyntheticEvent$1.extend({
+  animationName: null,
+  elapsedTime: null,
+  pseudoElement: null
+});
+
+/**
+ * @interface Event
+ * @see http://www.w3.org/TR/clipboard-apis/
+ */
+var SyntheticClipboardEvent = SyntheticEvent$1.extend({
+  clipboardData: function (event) {
+    return 'clipboardData' in event ? event.clipboardData : window.clipboardData;
+  }
+});
+
+/**
+ * @interface FocusEvent
+ * @see http://www.w3.org/TR/DOM-Level-3-Events/
+ */
+var SyntheticFocusEvent = SyntheticUIEvent.extend({
+  relatedTarget: null
+});
+
+/**
+ * `charCode` represents the actual "character code" and is safe to use with
+ * `String.fromCharCode`. As such, only keys that correspond to printable
+ * characters produce a valid `charCode`, the only exception to this is Enter.
+ * The Tab-key is considered non-printable and does not have a `charCode`,
+ * presumably because it does not produce a tab-character in browsers.
+ *
+ * @param {object} nativeEvent Native browser event.
+ * @return {number} Normalized `charCode` property.
+ */
+function getEventCharCode(nativeEvent) {
+  var charCode = void 0;
+  var keyCode = nativeEvent.keyCode;
+
+  if ('charCode' in nativeEvent) {
+    charCode = nativeEvent.charCode;
+
+    // FF does not set `charCode` for the Enter-key, check against `keyCode`.
+    if (charCode === 0 && keyCode === 13) {
+      charCode = 13;
+    }
+  } else {
+    // IE8 does not implement `charCode`, but `keyCode` has the correct value.
+    charCode = keyCode;
+  }
+
+  // IE and Edge (on Windows) and Chrome / Safari (on Windows and Linux)
+  // report Enter as charCode 10 when ctrl is pressed.
+  if (charCode === 10) {
+    charCode = 13;
+  }
+
+  // Some non-printable keys are reported in `charCode`/`keyCode`, discard them.
+  // Must not discard the (non-)printable Enter-key.
+  if (charCode >= 32 || charCode === 13) {
+    return charCode;
+  }
+
+  return 0;
+}
+
+/**
+ * Normalization of deprecated HTML5 `key` values
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Key_names
+ */
+var normalizeKey = {
+  Esc: 'Escape',
+  Spacebar: ' ',
+  Left: 'ArrowLeft',
+  Up: 'ArrowUp',
+  Right: 'ArrowRight',
+  Down: 'ArrowDown',
+  Del: 'Delete',
+  Win: 'OS',
+  Menu: 'ContextMenu',
+  Apps: 'ContextMenu',
+  Scroll: 'ScrollLock',
+  MozPrintableKey: 'Unidentified'
+};
+
+/**
+ * Translation from legacy `keyCode` to HTML5 `key`
+ * Only special keys supported, all others depend on keyboard layout or browser
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Key_names
+ */
+var translateToKey = {
+  '8': 'Backspace',
+  '9': 'Tab',
+  '12': 'Clear',
+  '13': 'Enter',
+  '16': 'Shift',
+  '17': 'Control',
+  '18': 'Alt',
+  '19': 'Pause',
+  '20': 'CapsLock',
+  '27': 'Escape',
+  '32': ' ',
+  '33': 'PageUp',
+  '34': 'PageDown',
+  '35': 'End',
+  '36': 'Home',
+  '37': 'ArrowLeft',
+  '38': 'ArrowUp',
+  '39': 'ArrowRight',
+  '40': 'ArrowDown',
+  '45': 'Insert',
+  '46': 'Delete',
+  '112': 'F1',
+  '113': 'F2',
+  '114': 'F3',
+  '115': 'F4',
+  '116': 'F5',
+  '117': 'F6',
+  '118': 'F7',
+  '119': 'F8',
+  '120': 'F9',
+  '121': 'F10',
+  '122': 'F11',
+  '123': 'F12',
+  '144': 'NumLock',
+  '145': 'ScrollLock',
+  '224': 'Meta'
+};
+
+/**
+ * @param {object} nativeEvent Native browser event.
+ * @return {string} Normalized `key` property.
+ */
+function getEventKey(nativeEvent) {
+  if (nativeEvent.key) {
+    // Normalize inconsistent values reported by browsers due to
+    // implementations of a working draft specification.
+
+    // FireFox implements `key` but returns `MozPrintableKey` for all
+    // printable characters (normalized to `Unidentified`), ignore it.
+    var key = normalizeKey[nativeEvent.key] || nativeEvent.key;
+    if (key !== 'Unidentified') {
+      return key;
+    }
+  }
+
+  // Browser does not implement `key`, polyfill as much of it as we can.
+  if (nativeEvent.type === 'keypress') {
+    var charCode = getEventCharCode(nativeEvent);
+
+    // The enter-key is technically both printable and non-printable and can
+    // thus be captured by `keypress`, no other non-printable key should.
+    return charCode === 13 ? 'Enter' : String.fromCharCode(charCode);
+  }
+  if (nativeEvent.type === 'keydown' || nativeEvent.type === 'keyup') {
+    // While user keyboard layout determines the actual meaning of each
+    // `keyCode` value, almost all function keys have a universal value.
+    return translateToKey[nativeEvent.keyCode] || 'Unidentified';
+  }
+  return '';
+}
+
+/**
+ * @interface KeyboardEvent
+ * @see http://www.w3.org/TR/DOM-Level-3-Events/
+ */
+var SyntheticKeyboardEvent = SyntheticUIEvent.extend({
+  key: getEventKey,
+  location: null,
+  ctrlKey: null,
+  shiftKey: null,
+  altKey: null,
+  metaKey: null,
+  repeat: null,
+  locale: null,
+  getModifierState: getEventModifierState,
+  // Legacy Interface
+  charCode: function (event) {
+    // `charCode` is the result of a KeyPress event and represents the value of
+    // the actual printable character.
+
+    // KeyPress is deprecated, but its replacement is not yet final and not
+    // implemented in any major browser. Only KeyPress has charCode.
+    if (event.type === 'keypress') {
+      return getEventCharCode(event);
+    }
+    return 0;
+  },
+  keyCode: function (event) {
+    // `keyCode` is the result of a KeyDown/Up event and represents the value of
+    // physical keyboard key.
+
+    // The actual meaning of the value depends on the users' keyboard layout
+    // which cannot be detected. Assuming that it is a US keyboard layout
+    // provides a surprisingly accurate mapping for US and European users.
+    // Due to this, it is left to the user to implement at this time.
+    if (event.type === 'keydown' || event.type === 'keyup') {
+      return event.keyCode;
+    }
+    return 0;
+  },
+  which: function (event) {
+    // `which` is an alias for either `keyCode` or `charCode` depending on the
+    // type of the event.
+    if (event.type === 'keypress') {
+      return getEventCharCode(event);
+    }
+    if (event.type === 'keydown' || event.type === 'keyup') {
+      return event.keyCode;
+    }
+    return 0;
+  }
+});
+
+/**
+ * @interface DragEvent
+ * @see http://www.w3.org/TR/DOM-Level-3-Events/
+ */
+var SyntheticDragEvent = SyntheticMouseEvent.extend({
+  dataTransfer: null
+});
+
+/**
+ * @interface TouchEvent
+ * @see http://www.w3.org/TR/touch-events/
+ */
+var SyntheticTouchEvent = SyntheticUIEvent.extend({
+  touches: null,
+  targetTouches: null,
+  changedTouches: null,
+  altKey: null,
+  metaKey: null,
+  ctrlKey: null,
+  shiftKey: null,
+  getModifierState: getEventModifierState
+});
+
+/**
+ * @interface Event
+ * @see http://www.w3.org/TR/2009/WD-css3-transitions-20090320/#transition-events-
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/TransitionEvent
+ */
+var SyntheticTransitionEvent = SyntheticEvent$1.extend({
+  propertyName: null,
+  elapsedTime: null,
+  pseudoElement: null
+});
+
+/**
+ * @interface WheelEvent
+ * @see http://www.w3.org/TR/DOM-Level-3-Events/
+ */
+var SyntheticWheelEvent = SyntheticMouseEvent.extend({
+  deltaX: function (event) {
+    return 'deltaX' in event ? event.deltaX : // Fallback to `wheelDeltaX` for Webkit and normalize (right is positive).
+    'wheelDeltaX' in event ? -event.wheelDeltaX : 0;
+  },
+  deltaY: function (event) {
+    return 'deltaY' in event ? event.deltaY : // Fallback to `wheelDeltaY` for Webkit and normalize (down is positive).
+    'wheelDeltaY' in event ? -event.wheelDeltaY : // Fallback to `wheelDelta` for IE<9 and normalize (down is positive).
+    'wheelDelta' in event ? -event.wheelDelta : 0;
+  },
+
+  deltaZ: null,
+
+  // Browsers without "deltaMode" is reporting in raw wheel delta where one
+  // notch on the scroll is always +/- 120, roughly equivalent to pixels.
+  // A good approximation of DOM_DELTA_LINE (1) is 5% of viewport size or
+  // ~40 pixels, for DOM_DELTA_SCREEN (2) it is 87.5% of viewport size.
+  deltaMode: null
+});
+
+/**
+ * Turns
+ * ['abort', ...]
+ * into
+ * eventTypes = {
+ *   'abort': {
+ *     phasedRegistrationNames: {
+ *       bubbled: 'onAbort',
+ *       captured: 'onAbortCapture',
+ *     },
+ *     dependencies: ['topAbort'],
+ *   },
+ *   ...
+ * };
+ * topLevelEventsToDispatchConfig = {
+ *   'topAbort': { sameConfig }
+ * };
+ */
+var interactiveEventTypeNames = ['blur', 'cancel', 'click', 'close', 'contextMenu', 'copy', 'cut', 'doubleClick', 'dragEnd', 'dragStart', 'drop', 'focus', 'input', 'invalid', 'keyDown', 'keyPress', 'keyUp', 'mouseDown', 'mouseUp', 'paste', 'pause', 'play', 'rateChange', 'reset', 'seeked', 'submit', 'touchCancel', 'touchEnd', 'touchStart', 'volumeChange'];
+var nonInteractiveEventTypeNames = ['abort', 'animationEnd', 'animationIteration', 'animationStart', 'canPlay', 'canPlayThrough', 'drag', 'dragEnter', 'dragExit', 'dragLeave', 'dragOver', 'durationChange', 'emptied', 'encrypted', 'ended', 'error', 'load', 'loadedData', 'loadedMetadata', 'loadStart', 'mouseMove', 'mouseOut', 'mouseOver', 'playing', 'progress', 'scroll', 'seeking', 'stalled', 'suspend', 'timeUpdate', 'toggle', 'touchMove', 'transitionEnd', 'waiting', 'wheel'];
+
+var eventTypes$4 = {};
+var topLevelEventsToDispatchConfig = {};
+
+function addEventTypeNameToConfig(event, isInteractive) {
+  var capitalizedEvent = event[0].toUpperCase() + event.slice(1);
+  var onEvent = 'on' + capitalizedEvent;
+  var topEvent = 'top' + capitalizedEvent;
+
+  var type = {
+    phasedRegistrationNames: {
+      bubbled: onEvent,
+      captured: onEvent + 'Capture'
+    },
+    dependencies: [topEvent],
+    isInteractive: isInteractive
+  };
+  eventTypes$4[event] = type;
+  topLevelEventsToDispatchConfig[topEvent] = type;
+}
+
+interactiveEventTypeNames.forEach(function (eventTypeName) {
+  addEventTypeNameToConfig(eventTypeName, true);
+});
+nonInteractiveEventTypeNames.forEach(function (eventTypeName) {
+  addEventTypeNameToConfig(eventTypeName, false);
+});
+
+// Only used in DEV for exhaustiveness validation.
+var knownHTMLTopLevelTypes = ['topAbort', 'topCancel', 'topCanPlay', 'topCanPlayThrough', 'topClose', 'topDurationChange', 'topEmptied', 'topEncrypted', 'topEnded', 'topError', 'topInput', 'topInvalid', 'topLoad', 'topLoadedData', 'topLoadedMetadata', 'topLoadStart', 'topPause', 'topPlay', 'topPlaying', 'topProgress', 'topRateChange', 'topReset', 'topSeeked', 'topSeeking', 'topStalled', 'topSubmit', 'topSuspend', 'topTimeUpdate', 'topToggle', 'topVolumeChange', 'topWaiting'];
+
+var SimpleEventPlugin = {
+  eventTypes: eventTypes$4,
+
+  isInteractiveTopLevelEventType: function (topLevelType) {
+    var config = topLevelEventsToDispatchConfig[topLevelType];
+    return config !== undefined && config.isInteractive === true;
+  },
+
+
+  extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
+    var dispatchConfig = topLevelEventsToDispatchConfig[topLevelType];
+    if (!dispatchConfig) {
+      return null;
+    }
+    var EventConstructor = void 0;
+    switch (topLevelType) {
+      case 'topKeyPress':
+        // Firefox creates a keypress event for function keys too. This removes
+        // the unwanted keypress events. Enter is however both printable and
+        // non-printable. One would expect Tab to be as well (but it isn't).
+        if (getEventCharCode(nativeEvent) === 0) {
+          return null;
+        }
+      /* falls through */
+      case 'topKeyDown':
+      case 'topKeyUp':
+        EventConstructor = SyntheticKeyboardEvent;
+        break;
+      case 'topBlur':
+      case 'topFocus':
+        EventConstructor = SyntheticFocusEvent;
+        break;
+      case 'topClick':
+        // Firefox creates a click event on right mouse clicks. This removes the
+        // unwanted click events.
+        if (nativeEvent.button === 2) {
+          return null;
+        }
+      /* falls through */
+      case 'topDoubleClick':
+      case 'topMouseDown':
+      case 'topMouseMove':
+      case 'topMouseUp':
+      // TODO: Disabled elements should not respond to mouse events
+      /* falls through */
+      case 'topMouseOut':
+      case 'topMouseOver':
+      case 'topContextMenu':
+        EventConstructor = SyntheticMouseEvent;
+        break;
+      case 'topDrag':
+      case 'topDragEnd':
+      case 'topDragEnter':
+      case 'topDragExit':
+      case 'topDragLeave':
+      case 'topDragOver':
+      case 'topDragStart':
+      case 'topDrop':
+        EventConstructor = SyntheticDragEvent;
+        break;
+      case 'topTouchCancel':
+      case 'topTouchEnd':
+      case 'topTouchMove':
+      case 'topTouchStart':
+        EventConstructor = SyntheticTouchEvent;
+        break;
+      case 'topAnimationEnd':
+      case 'topAnimationIteration':
+      case 'topAnimationStart':
+        EventConstructor = SyntheticAnimationEvent;
+        break;
+      case 'topTransitionEnd':
+        EventConstructor = SyntheticTransitionEvent;
+        break;
+      case 'topScroll':
+        EventConstructor = SyntheticUIEvent;
+        break;
+      case 'topWheel':
+        EventConstructor = SyntheticWheelEvent;
+        break;
+      case 'topCopy':
+      case 'topCut':
+      case 'topPaste':
+        EventConstructor = SyntheticClipboardEvent;
+        break;
+      default:
+        {
+          if (knownHTMLTopLevelTypes.indexOf(topLevelType) === -1) {
+            warning(false, 'SimpleEventPlugin: Unhandled event type, `%s`. This warning ' + 'is likely caused by a bug in React. Please file an issue.', topLevelType);
+          }
+        }
+        // HTML Events
+        // @see http://www.w3.org/TR/html5/index.html#events-0
+        EventConstructor = SyntheticEvent$1;
+        break;
+    }
+    var event = EventConstructor.getPooled(dispatchConfig, targetInst, nativeEvent, nativeEventTarget);
+    accumulateTwoPhaseDispatches(event);
+    return event;
+  }
+};
+
+var isInteractiveTopLevelEventType = SimpleEventPlugin.isInteractiveTopLevelEventType;
+
+
 var CALLBACK_BOOKKEEPING_POOL_SIZE = 10;
 var callbackBookkeepingPool = [];
 
@@ -13924,7 +14756,7 @@ function releaseTopLevelCallbackBookKeeping(instance) {
   }
 }
 
-function handleTopLevelImpl(bookKeeping) {
+function handleTopLevel(bookKeeping) {
   var targetInst = bookKeeping.targetInst;
 
   // Loop through the hierarchy, in case there's any nested components.
@@ -13947,17 +14779,12 @@ function handleTopLevelImpl(bookKeeping) {
 
   for (var i = 0; i < bookKeeping.ancestors.length; i++) {
     targetInst = bookKeeping.ancestors[i];
-    _handleTopLevel(bookKeeping.topLevelType, targetInst, bookKeeping.nativeEvent, getEventTarget(bookKeeping.nativeEvent));
+    runExtractedEventsInBatch(bookKeeping.topLevelType, targetInst, bookKeeping.nativeEvent, getEventTarget(bookKeeping.nativeEvent));
   }
 }
 
 // TODO: can we stop exporting these?
 var _enabled = true;
-var _handleTopLevel = void 0;
-
-function setHandleTopLevel(handleTopLevel) {
-  _handleTopLevel = handleTopLevel;
-}
 
 function setEnabled(enabled) {
   _enabled = !!enabled;
@@ -13981,7 +14808,11 @@ function trapBubbledEvent(topLevelType, handlerBaseName, element) {
   if (!element) {
     return null;
   }
-  return EventListener.listen(element, handlerBaseName, dispatchEvent.bind(null, topLevelType));
+  var dispatch = isInteractiveTopLevelEventType(topLevelType) ? dispatchInteractiveEvent : dispatchEvent;
+
+  addEventBubbleListener(element, handlerBaseName,
+  // Check if interactive and wrap in interactiveUpdates
+  dispatch.bind(null, topLevelType));
 }
 
 /**
@@ -13998,7 +14829,15 @@ function trapCapturedEvent(topLevelType, handlerBaseName, element) {
   if (!element) {
     return null;
   }
-  return EventListener.capture(element, handlerBaseName, dispatchEvent.bind(null, topLevelType));
+  var dispatch = isInteractiveTopLevelEventType(topLevelType) ? dispatchInteractiveEvent : dispatchEvent;
+
+  addEventCaptureListener(element, handlerBaseName,
+  // Check if interactive and wrap in interactiveUpdates
+  dispatch.bind(null, topLevelType));
+}
+
+function dispatchInteractiveEvent(topLevelType, nativeEvent) {
+  interactiveUpdates(dispatchEvent, topLevelType, nativeEvent);
 }
 
 function dispatchEvent(topLevelType, nativeEvent) {
@@ -14021,7 +14860,7 @@ function dispatchEvent(topLevelType, nativeEvent) {
   try {
     // Event queue being processed in the same cycle allows
     // `preventDefault`.
-    batchedUpdates(handleTopLevelImpl, bookKeeping);
+    batchedUpdates(handleTopLevel, bookKeeping);
   } finally {
     releaseTopLevelCallbackBookKeeping(bookKeeping);
   }
@@ -14029,8 +14868,6 @@ function dispatchEvent(topLevelType, nativeEvent) {
 
 var ReactDOMEventListener = Object.freeze({
 	get _enabled () { return _enabled; },
-	get _handleTopLevel () { return _handleTopLevel; },
-	setHandleTopLevel: setHandleTopLevel,
 	setEnabled: setEnabled,
 	isEnabled: isEnabled,
 	trapBubbledEvent: trapBubbledEvent,
@@ -14120,25 +14957,22 @@ function getVendorPrefixedEventName(eventName) {
     }
   }
 
-  return '';
+  return eventName;
 }
 
 /**
  * Types of raw signals from the browser caught at the top level.
  *
- * For events like 'submit' which don't consistently bubble (which we
- * trap at a lower node than `document`), binding at `document` would
- * cause duplicate events so we don't include them here.
+ * For events like 'submit' or audio/video events which don't consistently
+ * bubble (which we trap at a lower node than `document`), binding
+ * at `document` would cause duplicate events so we don't include them here.
  */
-var topLevelTypes$1 = {
-  topAbort: 'abort',
-  topAnimationEnd: getVendorPrefixedEventName('animationend') || 'animationend',
-  topAnimationIteration: getVendorPrefixedEventName('animationiteration') || 'animationiteration',
-  topAnimationStart: getVendorPrefixedEventName('animationstart') || 'animationstart',
+var topLevelTypes = {
+  topAnimationEnd: getVendorPrefixedEventName('animationend'),
+  topAnimationIteration: getVendorPrefixedEventName('animationiteration'),
+  topAnimationStart: getVendorPrefixedEventName('animationstart'),
   topBlur: 'blur',
   topCancel: 'cancel',
-  topCanPlay: 'canplay',
-  topCanPlayThrough: 'canplaythrough',
   topChange: 'change',
   topClick: 'click',
   topClose: 'close',
@@ -14157,19 +14991,12 @@ var topLevelTypes$1 = {
   topDragOver: 'dragover',
   topDragStart: 'dragstart',
   topDrop: 'drop',
-  topDurationChange: 'durationchange',
-  topEmptied: 'emptied',
-  topEncrypted: 'encrypted',
-  topEnded: 'ended',
-  topError: 'error',
   topFocus: 'focus',
   topInput: 'input',
   topKeyDown: 'keydown',
   topKeyPress: 'keypress',
   topKeyUp: 'keyup',
-  topLoadedData: 'loadeddata',
   topLoad: 'load',
-  topLoadedMetadata: 'loadedmetadata',
   topLoadStart: 'loadstart',
   topMouseDown: 'mousedown',
   topMouseMove: 'mousemove',
@@ -14177,50 +15004,49 @@ var topLevelTypes$1 = {
   topMouseOver: 'mouseover',
   topMouseUp: 'mouseup',
   topPaste: 'paste',
-  topPause: 'pause',
-  topPlay: 'play',
-  topPlaying: 'playing',
-  topProgress: 'progress',
-  topRateChange: 'ratechange',
   topScroll: 'scroll',
-  topSeeked: 'seeked',
-  topSeeking: 'seeking',
   topSelectionChange: 'selectionchange',
-  topStalled: 'stalled',
-  topSuspend: 'suspend',
   topTextInput: 'textInput',
-  topTimeUpdate: 'timeupdate',
   topToggle: 'toggle',
   topTouchCancel: 'touchcancel',
   topTouchEnd: 'touchend',
   topTouchMove: 'touchmove',
   topTouchStart: 'touchstart',
-  topTransitionEnd: getVendorPrefixedEventName('transitionend') || 'transitionend',
-  topVolumeChange: 'volumechange',
-  topWaiting: 'waiting',
+  topTransitionEnd: getVendorPrefixedEventName('transitionend'),
   topWheel: 'wheel'
 };
 
-var BrowserEventConstants = {
-  topLevelTypes: topLevelTypes$1
+// There are so many media events, it makes sense to just
+// maintain a list of them. Note these aren't technically
+// "top-level" since they don't bubble. We should come up
+// with a better naming convention if we come to refactoring
+// the event system.
+var mediaEventTypes = {
+  topAbort: 'abort',
+  topCanPlay: 'canplay',
+  topCanPlayThrough: 'canplaythrough',
+  topDurationChange: 'durationchange',
+  topEmptied: 'emptied',
+  topEncrypted: 'encrypted',
+  topEnded: 'ended',
+  topError: 'error',
+  topLoadedData: 'loadeddata',
+  topLoadedMetadata: 'loadedmetadata',
+  topLoadStart: 'loadstart',
+  topPause: 'pause',
+  topPlay: 'play',
+  topPlaying: 'playing',
+  topProgress: 'progress',
+  topRateChange: 'ratechange',
+  topSeeked: 'seeked',
+  topSeeking: 'seeking',
+  topStalled: 'stalled',
+  topSuspend: 'suspend',
+  topTimeUpdate: 'timeupdate',
+  topVolumeChange: 'volumechange',
+  topWaiting: 'waiting'
 };
 
-function runEventQueueInBatch(events) {
-  enqueueEvents(events);
-  processEventQueue(false);
-}
-
-/**
- * Streams a fired top-level event to `EventPluginHub` where plugins have the
- * opportunity to create `ReactEvent`s to be dispatched.
- */
-function handleTopLevel(topLevelType, targetInst, nativeEvent, nativeEventTarget) {
-  var events = extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget);
-  runEventQueueInBatch(events);
-}
-
-var topLevelTypes = BrowserEventConstants.topLevelTypes;
-
 /**
  * Summary of `ReactBrowserEventEmitter` event handling:
  *
@@ -14436,7 +15262,7 @@ function getOffsets(outerNode) {
 
   var anchorNode = selection.anchorNode,
       anchorOffset = selection.anchorOffset,
-      focusNode$$1 = selection.focusNode,
+      focusNode = selection.focusNode,
       focusOffset = selection.focusOffset;
 
   // In Firefox, anchorNode and focusNode can be "anonymous divs", e.g. the
@@ -14450,13 +15276,13 @@ function getOffsets(outerNode) {
   try {
     /* eslint-disable no-unused-expressions */
     anchorNode.nodeType;
-    focusNode$$1.nodeType;
+    focusNode.nodeType;
     /* eslint-enable no-unused-expressions */
   } catch (e) {
     return null;
   }
 
-  return getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNode$$1, focusOffset);
+  return getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNode, focusOffset);
 }
 
 /**
@@ -14468,7 +15294,7 @@ function getOffsets(outerNode) {
  *
  * Exported only for testing.
  */
-function getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNode$$1, focusOffset) {
+function getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNode, focusOffset) {
   var length = 0;
   var start = -1;
   var end = -1;
@@ -14484,7 +15310,7 @@ function getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNo
       if (node === anchorNode && (anchorOffset === 0 || node.nodeType === TEXT_NODE)) {
         start = length + anchorOffset;
       }
-      if (node === focusNode$$1 && (focusOffset === 0 || node.nodeType === TEXT_NODE)) {
+      if (node === focusNode && (focusOffset === 0 || node.nodeType === TEXT_NODE)) {
         end = length + focusOffset;
       }
 
@@ -14511,7 +15337,7 @@ function getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNo
       if (parentNode === anchorNode && ++indexWithinAnchor === anchorOffset) {
         start = length;
       }
-      if (parentNode === focusNode$$1 && ++indexWithinFocus === focusOffset) {
+      if (parentNode === focusNode && ++indexWithinFocus === focusOffset) {
         end = length;
       }
       if ((next = node.nextSibling) !== null) {
@@ -14639,7 +15465,7 @@ function restoreSelection(priorSelectionInformation) {
       }
     }
 
-    focusNode(priorFocusedElem);
+    priorFocusedElem.focus();
 
     for (var i = 0; i < ancestors.length; i++) {
       var info = ancestors[i];
@@ -14843,519 +15669,17 @@ var SelectEventPlugin = {
   }
 };
 
-/**
- * @interface Event
- * @see http://www.w3.org/TR/css3-animations/#AnimationEvent-interface
- * @see https://developer.mozilla.org/en-US/docs/Web/API/AnimationEvent
- */
-var AnimationEventInterface = {
-  animationName: null,
-  elapsedTime: null,
-  pseudoElement: null
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticEvent}
- */
-function SyntheticAnimationEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticEvent$1.augmentClass(SyntheticAnimationEvent, AnimationEventInterface);
-
-/**
- * @interface Event
- * @see http://www.w3.org/TR/clipboard-apis/
- */
-var ClipboardEventInterface = {
-  clipboardData: function (event) {
-    return 'clipboardData' in event ? event.clipboardData : window.clipboardData;
-  }
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticEvent}
- */
-function SyntheticClipboardEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticEvent$1.augmentClass(SyntheticClipboardEvent, ClipboardEventInterface);
-
-/**
- * @interface FocusEvent
- * @see http://www.w3.org/TR/DOM-Level-3-Events/
- */
-var FocusEventInterface = {
-  relatedTarget: null
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticUIEvent}
- */
-function SyntheticFocusEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticUIEvent.augmentClass(SyntheticFocusEvent, FocusEventInterface);
-
-/**
- * `charCode` represents the actual "character code" and is safe to use with
- * `String.fromCharCode`. As such, only keys that correspond to printable
- * characters produce a valid `charCode`, the only exception to this is Enter.
- * The Tab-key is considered non-printable and does not have a `charCode`,
- * presumably because it does not produce a tab-character in browsers.
- *
- * @param {object} nativeEvent Native browser event.
- * @return {number} Normalized `charCode` property.
- */
-function getEventCharCode(nativeEvent) {
-  var charCode;
-  var keyCode = nativeEvent.keyCode;
-
-  if ('charCode' in nativeEvent) {
-    charCode = nativeEvent.charCode;
-
-    // FF does not set `charCode` for the Enter-key, check against `keyCode`.
-    if (charCode === 0 && keyCode === 13) {
-      charCode = 13;
-    }
-  } else {
-    // IE8 does not implement `charCode`, but `keyCode` has the correct value.
-    charCode = keyCode;
-  }
-
-  // Some non-printable keys are reported in `charCode`/`keyCode`, discard them.
-  // Must not discard the (non-)printable Enter-key.
-  if (charCode >= 32 || charCode === 13) {
-    return charCode;
-  }
-
-  return 0;
-}
-
-/**
- * Normalization of deprecated HTML5 `key` values
- * @see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Key_names
- */
-var normalizeKey = {
-  Esc: 'Escape',
-  Spacebar: ' ',
-  Left: 'ArrowLeft',
-  Up: 'ArrowUp',
-  Right: 'ArrowRight',
-  Down: 'ArrowDown',
-  Del: 'Delete',
-  Win: 'OS',
-  Menu: 'ContextMenu',
-  Apps: 'ContextMenu',
-  Scroll: 'ScrollLock',
-  MozPrintableKey: 'Unidentified'
-};
-
-/**
- * Translation from legacy `keyCode` to HTML5 `key`
- * Only special keys supported, all others depend on keyboard layout or browser
- * @see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Key_names
- */
-var translateToKey = {
-  '8': 'Backspace',
-  '9': 'Tab',
-  '12': 'Clear',
-  '13': 'Enter',
-  '16': 'Shift',
-  '17': 'Control',
-  '18': 'Alt',
-  '19': 'Pause',
-  '20': 'CapsLock',
-  '27': 'Escape',
-  '32': ' ',
-  '33': 'PageUp',
-  '34': 'PageDown',
-  '35': 'End',
-  '36': 'Home',
-  '37': 'ArrowLeft',
-  '38': 'ArrowUp',
-  '39': 'ArrowRight',
-  '40': 'ArrowDown',
-  '45': 'Insert',
-  '46': 'Delete',
-  '112': 'F1',
-  '113': 'F2',
-  '114': 'F3',
-  '115': 'F4',
-  '116': 'F5',
-  '117': 'F6',
-  '118': 'F7',
-  '119': 'F8',
-  '120': 'F9',
-  '121': 'F10',
-  '122': 'F11',
-  '123': 'F12',
-  '144': 'NumLock',
-  '145': 'ScrollLock',
-  '224': 'Meta'
-};
-
-/**
- * @param {object} nativeEvent Native browser event.
- * @return {string} Normalized `key` property.
- */
-function getEventKey(nativeEvent) {
-  if (nativeEvent.key) {
-    // Normalize inconsistent values reported by browsers due to
-    // implementations of a working draft specification.
-
-    // FireFox implements `key` but returns `MozPrintableKey` for all
-    // printable characters (normalized to `Unidentified`), ignore it.
-    var key = normalizeKey[nativeEvent.key] || nativeEvent.key;
-    if (key !== 'Unidentified') {
-      return key;
-    }
-  }
-
-  // Browser does not implement `key`, polyfill as much of it as we can.
-  if (nativeEvent.type === 'keypress') {
-    var charCode = getEventCharCode(nativeEvent);
-
-    // The enter-key is technically both printable and non-printable and can
-    // thus be captured by `keypress`, no other non-printable key should.
-    return charCode === 13 ? 'Enter' : String.fromCharCode(charCode);
-  }
-  if (nativeEvent.type === 'keydown' || nativeEvent.type === 'keyup') {
-    // While user keyboard layout determines the actual meaning of each
-    // `keyCode` value, almost all function keys have a universal value.
-    return translateToKey[nativeEvent.keyCode] || 'Unidentified';
-  }
-  return '';
-}
-
-/**
- * @interface KeyboardEvent
- * @see http://www.w3.org/TR/DOM-Level-3-Events/
- */
-var KeyboardEventInterface = {
-  key: getEventKey,
-  location: null,
-  ctrlKey: null,
-  shiftKey: null,
-  altKey: null,
-  metaKey: null,
-  repeat: null,
-  locale: null,
-  getModifierState: getEventModifierState,
-  // Legacy Interface
-  charCode: function (event) {
-    // `charCode` is the result of a KeyPress event and represents the value of
-    // the actual printable character.
-
-    // KeyPress is deprecated, but its replacement is not yet final and not
-    // implemented in any major browser. Only KeyPress has charCode.
-    if (event.type === 'keypress') {
-      return getEventCharCode(event);
-    }
-    return 0;
-  },
-  keyCode: function (event) {
-    // `keyCode` is the result of a KeyDown/Up event and represents the value of
-    // physical keyboard key.
-
-    // The actual meaning of the value depends on the users' keyboard layout
-    // which cannot be detected. Assuming that it is a US keyboard layout
-    // provides a surprisingly accurate mapping for US and European users.
-    // Due to this, it is left to the user to implement at this time.
-    if (event.type === 'keydown' || event.type === 'keyup') {
-      return event.keyCode;
-    }
-    return 0;
-  },
-  which: function (event) {
-    // `which` is an alias for either `keyCode` or `charCode` depending on the
-    // type of the event.
-    if (event.type === 'keypress') {
-      return getEventCharCode(event);
-    }
-    if (event.type === 'keydown' || event.type === 'keyup') {
-      return event.keyCode;
-    }
-    return 0;
-  }
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticUIEvent}
- */
-function SyntheticKeyboardEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticUIEvent.augmentClass(SyntheticKeyboardEvent, KeyboardEventInterface);
-
-/**
- * @interface DragEvent
- * @see http://www.w3.org/TR/DOM-Level-3-Events/
- */
-var DragEventInterface = {
-  dataTransfer: null
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticMouseEvent}
- */
-function SyntheticDragEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticMouseEvent.augmentClass(SyntheticDragEvent, DragEventInterface);
-
-/**
- * @interface TouchEvent
- * @see http://www.w3.org/TR/touch-events/
- */
-var TouchEventInterface = {
-  touches: null,
-  targetTouches: null,
-  changedTouches: null,
-  altKey: null,
-  metaKey: null,
-  ctrlKey: null,
-  shiftKey: null,
-  getModifierState: getEventModifierState
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticUIEvent}
- */
-function SyntheticTouchEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticUIEvent.augmentClass(SyntheticTouchEvent, TouchEventInterface);
-
-/**
- * @interface Event
- * @see http://www.w3.org/TR/2009/WD-css3-transitions-20090320/#transition-events-
- * @see https://developer.mozilla.org/en-US/docs/Web/API/TransitionEvent
- */
-var TransitionEventInterface = {
-  propertyName: null,
-  elapsedTime: null,
-  pseudoElement: null
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticEvent}
- */
-function SyntheticTransitionEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticEvent$1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticEvent$1.augmentClass(SyntheticTransitionEvent, TransitionEventInterface);
-
-/**
- * @interface WheelEvent
- * @see http://www.w3.org/TR/DOM-Level-3-Events/
- */
-var WheelEventInterface = {
-  deltaX: function (event) {
-    return 'deltaX' in event ? event.deltaX : // Fallback to `wheelDeltaX` for Webkit and normalize (right is positive).
-    'wheelDeltaX' in event ? -event.wheelDeltaX : 0;
-  },
-  deltaY: function (event) {
-    return 'deltaY' in event ? event.deltaY : // Fallback to `wheelDeltaY` for Webkit and normalize (down is positive).
-    'wheelDeltaY' in event ? -event.wheelDeltaY : // Fallback to `wheelDelta` for IE<9 and normalize (down is positive).
-    'wheelDelta' in event ? -event.wheelDelta : 0;
-  },
-  deltaZ: null,
-
-  // Browsers without "deltaMode" is reporting in raw wheel delta where one
-  // notch on the scroll is always +/- 120, roughly equivalent to pixels.
-  // A good approximation of DOM_DELTA_LINE (1) is 5% of viewport size or
-  // ~40 pixels, for DOM_DELTA_SCREEN (2) it is 87.5% of viewport size.
-  deltaMode: null
-};
-
-/**
- * @param {object} dispatchConfig Configuration used to dispatch this event.
- * @param {string} dispatchMarker Marker identifying the event target.
- * @param {object} nativeEvent Native browser event.
- * @extends {SyntheticMouseEvent}
- */
-function SyntheticWheelEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
-  return SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
-}
-
-SyntheticMouseEvent.augmentClass(SyntheticWheelEvent, WheelEventInterface);
-
-/**
- * Turns
- * ['abort', ...]
- * into
- * eventTypes = {
- *   'abort': {
- *     phasedRegistrationNames: {
- *       bubbled: 'onAbort',
- *       captured: 'onAbortCapture',
- *     },
- *     dependencies: ['topAbort'],
- *   },
- *   ...
- * };
- * topLevelEventsToDispatchConfig = {
- *   'topAbort': { sameConfig }
- * };
- */
-var eventTypes$4 = {};
-var topLevelEventsToDispatchConfig = {};
-['abort', 'animationEnd', 'animationIteration', 'animationStart', 'blur', 'cancel', 'canPlay', 'canPlayThrough', 'click', 'close', 'contextMenu', 'copy', 'cut', 'doubleClick', 'drag', 'dragEnd', 'dragEnter', 'dragExit', 'dragLeave', 'dragOver', 'dragStart', 'drop', 'durationChange', 'emptied', 'encrypted', 'ended', 'error', 'focus', 'input', 'invalid', 'keyDown', 'keyPress', 'keyUp', 'load', 'loadedData', 'loadedMetadata', 'loadStart', 'mouseDown', 'mouseMove', 'mouseOut', 'mouseOver', 'mouseUp', 'paste', 'pause', 'play', 'playing', 'progress', 'rateChange', 'reset', 'scroll', 'seeked', 'seeking', 'stalled', 'submit', 'suspend', 'timeUpdate', 'toggle', 'touchCancel', 'touchEnd', 'touchMove', 'touchStart', 'transitionEnd', 'volumeChange', 'waiting', 'wheel'].forEach(function (event) {
-  var capitalizedEvent = event[0].toUpperCase() + event.slice(1);
-  var onEvent = 'on' + capitalizedEvent;
-  var topEvent = 'top' + capitalizedEvent;
-
-  var type = {
-    phasedRegistrationNames: {
-      bubbled: onEvent,
-      captured: onEvent + 'Capture'
-    },
-    dependencies: [topEvent]
-  };
-  eventTypes$4[event] = type;
-  topLevelEventsToDispatchConfig[topEvent] = type;
-});
-
-// Only used in DEV for exhaustiveness validation.
-var knownHTMLTopLevelTypes = ['topAbort', 'topCancel', 'topCanPlay', 'topCanPlayThrough', 'topClose', 'topDurationChange', 'topEmptied', 'topEncrypted', 'topEnded', 'topError', 'topInput', 'topInvalid', 'topLoad', 'topLoadedData', 'topLoadedMetadata', 'topLoadStart', 'topPause', 'topPlay', 'topPlaying', 'topProgress', 'topRateChange', 'topReset', 'topSeeked', 'topSeeking', 'topStalled', 'topSubmit', 'topSuspend', 'topTimeUpdate', 'topToggle', 'topVolumeChange', 'topWaiting'];
-
-var SimpleEventPlugin = {
-  eventTypes: eventTypes$4,
-
-  extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
-    var dispatchConfig = topLevelEventsToDispatchConfig[topLevelType];
-    if (!dispatchConfig) {
-      return null;
-    }
-    var EventConstructor;
-    switch (topLevelType) {
-      case 'topKeyPress':
-        // Firefox creates a keypress event for function keys too. This removes
-        // the unwanted keypress events. Enter is however both printable and
-        // non-printable. One would expect Tab to be as well (but it isn't).
-        if (getEventCharCode(nativeEvent) === 0) {
-          return null;
-        }
-      /* falls through */
-      case 'topKeyDown':
-      case 'topKeyUp':
-        EventConstructor = SyntheticKeyboardEvent;
-        break;
-      case 'topBlur':
-      case 'topFocus':
-        EventConstructor = SyntheticFocusEvent;
-        break;
-      case 'topClick':
-        // Firefox creates a click event on right mouse clicks. This removes the
-        // unwanted click events.
-        if (nativeEvent.button === 2) {
-          return null;
-        }
-      /* falls through */
-      case 'topDoubleClick':
-      case 'topMouseDown':
-      case 'topMouseMove':
-      case 'topMouseUp':
-      // TODO: Disabled elements should not respond to mouse events
-      /* falls through */
-      case 'topMouseOut':
-      case 'topMouseOver':
-      case 'topContextMenu':
-        EventConstructor = SyntheticMouseEvent;
-        break;
-      case 'topDrag':
-      case 'topDragEnd':
-      case 'topDragEnter':
-      case 'topDragExit':
-      case 'topDragLeave':
-      case 'topDragOver':
-      case 'topDragStart':
-      case 'topDrop':
-        EventConstructor = SyntheticDragEvent;
-        break;
-      case 'topTouchCancel':
-      case 'topTouchEnd':
-      case 'topTouchMove':
-      case 'topTouchStart':
-        EventConstructor = SyntheticTouchEvent;
-        break;
-      case 'topAnimationEnd':
-      case 'topAnimationIteration':
-      case 'topAnimationStart':
-        EventConstructor = SyntheticAnimationEvent;
-        break;
-      case 'topTransitionEnd':
-        EventConstructor = SyntheticTransitionEvent;
-        break;
-      case 'topScroll':
-        EventConstructor = SyntheticUIEvent;
-        break;
-      case 'topWheel':
-        EventConstructor = SyntheticWheelEvent;
-        break;
-      case 'topCopy':
-      case 'topCut':
-      case 'topPaste':
-        EventConstructor = SyntheticClipboardEvent;
-        break;
-      default:
-        {
-          if (knownHTMLTopLevelTypes.indexOf(topLevelType) === -1) {
-            warning(false, 'SimpleEventPlugin: Unhandled event type, `%s`. This warning ' + 'is likely caused by a bug in React. Please file an issue.', topLevelType);
-          }
-        }
-        // HTML Events
-        // @see http://www.w3.org/TR/html5/index.html#events-0
-        EventConstructor = SyntheticEvent$1;
-        break;
-    }
-    var event = EventConstructor.getPooled(dispatchConfig, targetInst, nativeEvent, nativeEventTarget);
-    accumulateTwoPhaseDispatches(event);
-    return event;
-  }
-};
-
-setHandleTopLevel(handleTopLevel);
-
 /**
  * Inject modules for resolving DOM hierarchy and plugin ordering.
  */
-injection$1.injectEventPluginOrder(DOMEventPluginOrder);
-injection$2.injectComponentTree(ReactDOMComponentTree);
+injection.injectEventPluginOrder(DOMEventPluginOrder);
+injection$1.injectComponentTree(ReactDOMComponentTree);
 
 /**
  * Some important event plugins included by default (without having to require
  * them).
  */
-injection$1.injectEventPluginsByName({
+injection.injectEventPluginsByName({
   SimpleEventPlugin: SimpleEventPlugin,
   EnterLeaveEventPlugin: EnterLeaveEventPlugin,
   ChangeEventPlugin: ChangeEventPlugin,
@@ -15363,179 +15687,729 @@ injection$1.injectEventPluginsByName({
   BeforeInputEventPlugin: BeforeInputEventPlugin
 });
 
-var enableAsyncSubtreeAPI = true;
-var enableAsyncSchedulingByDefaultInReactDOM = false;
+// Max 31 bit integer. The max integer size in V8 for 32-bit systems.
+// Math.pow(2, 30) - 1
+// 0b111111111111111111111111111111
+var MAX_SIGNED_31_BIT_INT = 1073741823;
+
+// TODO: Use an opaque type once ESLint et al support the syntax
+
+
+var NoWork = 0;
+var Sync = 1;
+var Never = MAX_SIGNED_31_BIT_INT;
+
+var UNIT_SIZE = 10;
+var MAGIC_NUMBER_OFFSET = 2;
+
+// 1 unit of expiration time represents 10ms.
+function msToExpirationTime(ms) {
+  // Always add an offset so that we don't clash with the magic number for NoWork.
+  return (ms / UNIT_SIZE | 0) + MAGIC_NUMBER_OFFSET;
+}
+
+function expirationTimeToMs(expirationTime) {
+  return (expirationTime - MAGIC_NUMBER_OFFSET) * UNIT_SIZE;
+}
+
+function ceiling(num, precision) {
+  return ((num / precision | 0) + 1) * precision;
+}
+
+function computeExpirationBucket(currentTime, expirationInMs, bucketSizeMs) {
+  return ceiling(currentTime + expirationInMs / UNIT_SIZE, bucketSizeMs / UNIT_SIZE);
+}
+
+var NoContext = 0;
+var AsyncMode = 1;
+var StrictMode = 2;
+
+var hasBadMapPolyfill = void 0;
+
+{
+  hasBadMapPolyfill = false;
+  try {
+    var nonExtensibleObject = Object.preventExtensions({});
+    var testMap = new Map([[nonExtensibleObject, null]]);
+    var testSet = new Set([nonExtensibleObject]);
+    // This is necessary for Rollup to not consider these unused.
+    // https://github.com/rollup/rollup/issues/1771
+    // TODO: we can remove these if Rollup fixes the bug.
+    testMap.set(0, 0);
+    testSet.add(0);
+  } catch (e) {
+    // TODO: Consider warning about bad polyfills
+    hasBadMapPolyfill = true;
+  }
+}
+
+// A Fiber is work on a Component that needs to be done or was done. There can
+// be more than one per component.
+
+
+var debugCounter = void 0;
+
+{
+  debugCounter = 1;
+}
+
+function FiberNode(tag, pendingProps, key, mode) {
+  // Instance
+  this.tag = tag;
+  this.key = key;
+  this.type = null;
+  this.stateNode = null;
+
+  // Fiber
+  this['return'] = null;
+  this.child = null;
+  this.sibling = null;
+  this.index = 0;
+
+  this.ref = null;
+
+  this.pendingProps = pendingProps;
+  this.memoizedProps = null;
+  this.updateQueue = null;
+  this.memoizedState = null;
+
+  this.mode = mode;
+
+  // Effects
+  this.effectTag = NoEffect;
+  this.nextEffect = null;
+
+  this.firstEffect = null;
+  this.lastEffect = null;
+
+  this.expirationTime = NoWork;
+
+  this.alternate = null;
+
+  {
+    this._debugID = debugCounter++;
+    this._debugSource = null;
+    this._debugOwner = null;
+    this._debugIsCurrentlyTiming = false;
+    if (!hasBadMapPolyfill && typeof Object.preventExtensions === 'function') {
+      Object.preventExtensions(this);
+    }
+  }
+}
+
+// This is a constructor function, rather than a POJO constructor, still
+// please ensure we do the following:
+// 1) Nobody should add any instance methods on this. Instance methods can be
+//    more difficult to predict when they get optimized and they are almost
+//    never inlined properly in static compilers.
+// 2) Nobody should rely on `instanceof Fiber` for type testing. We should
+//    always know when it is a fiber.
+// 3) We might want to experiment with using numeric keys since they are easier
+//    to optimize in a non-JIT environment.
+// 4) We can easily go from a constructor to a createFiber object literal if that
+//    is faster.
+// 5) It should be easy to port this to a C struct and keep a C implementation
+//    compatible.
+var createFiber = function (tag, pendingProps, key, mode) {
+  // $FlowFixMe: the shapes are exact here but Flow doesn't like constructors
+  return new FiberNode(tag, pendingProps, key, mode);
+};
+
+function shouldConstruct(Component) {
+  return !!(Component.prototype && Component.prototype.isReactComponent);
+}
+
+// This is used to create an alternate fiber to do work on.
+function createWorkInProgress(current, pendingProps, expirationTime) {
+  var workInProgress = current.alternate;
+  if (workInProgress === null) {
+    // We use a double buffering pooling technique because we know that we'll
+    // only ever need at most two versions of a tree. We pool the "other" unused
+    // node that we're free to reuse. This is lazily created to avoid allocating
+    // extra objects for things that are never updated. It also allow us to
+    // reclaim the extra memory if needed.
+    workInProgress = createFiber(current.tag, pendingProps, current.key, current.mode);
+    workInProgress.type = current.type;
+    workInProgress.stateNode = current.stateNode;
+
+    {
+      // DEV-only fields
+      workInProgress._debugID = current._debugID;
+      workInProgress._debugSource = current._debugSource;
+      workInProgress._debugOwner = current._debugOwner;
+    }
+
+    workInProgress.alternate = current;
+    current.alternate = workInProgress;
+  } else {
+    workInProgress.pendingProps = pendingProps;
+
+    // We already have an alternate.
+    // Reset the effect tag.
+    workInProgress.effectTag = NoEffect;
+
+    // The effect list is no longer valid.
+    workInProgress.nextEffect = null;
+    workInProgress.firstEffect = null;
+    workInProgress.lastEffect = null;
+  }
+
+  workInProgress.expirationTime = expirationTime;
+
+  workInProgress.child = current.child;
+  workInProgress.memoizedProps = current.memoizedProps;
+  workInProgress.memoizedState = current.memoizedState;
+  workInProgress.updateQueue = current.updateQueue;
+
+  // These will be overridden during the parent's reconciliation
+  workInProgress.sibling = current.sibling;
+  workInProgress.index = current.index;
+  workInProgress.ref = current.ref;
+
+  return workInProgress;
+}
+
+function createHostRootFiber(isAsync) {
+  var mode = isAsync ? AsyncMode | StrictMode : NoContext;
+  return createFiber(HostRoot, null, null, mode);
+}
+
+function createFiberFromElement(element, mode, expirationTime) {
+  var owner = null;
+  {
+    owner = element._owner;
+  }
+
+  var fiber = void 0;
+  var type = element.type;
+  var key = element.key;
+  var pendingProps = element.props;
+
+  var fiberTag = void 0;
+  if (typeof type === 'function') {
+    fiberTag = shouldConstruct(type) ? ClassComponent : IndeterminateComponent;
+  } else if (typeof type === 'string') {
+    fiberTag = HostComponent;
+  } else {
+    switch (type) {
+      case REACT_FRAGMENT_TYPE:
+        return createFiberFromFragment(pendingProps.children, mode, expirationTime, key);
+      case REACT_ASYNC_MODE_TYPE:
+        fiberTag = Mode;
+        mode |= AsyncMode | StrictMode;
+        break;
+      case REACT_STRICT_MODE_TYPE:
+        fiberTag = Mode;
+        mode |= StrictMode;
+        break;
+      case REACT_CALL_TYPE:
+        fiberTag = CallComponent;
+        break;
+      case REACT_RETURN_TYPE:
+        fiberTag = ReturnComponent;
+        break;
+      default:
+        {
+          if (typeof type === 'object' && type !== null) {
+            switch (type.$$typeof) {
+              case REACT_PROVIDER_TYPE:
+                fiberTag = ContextProvider;
+                break;
+              case REACT_CONTEXT_TYPE:
+                // This is a consumer
+                fiberTag = ContextConsumer;
+                break;
+              case REACT_FORWARD_REF_TYPE:
+                fiberTag = ForwardRef;
+                break;
+              default:
+                if (typeof type.tag === 'number') {
+                  // Currently assumed to be a continuation and therefore is a
+                  // fiber already.
+                  // TODO: The yield system is currently broken for updates in
+                  // some cases. The reified yield stores a fiber, but we don't
+                  // know which fiber that is; the current or a workInProgress?
+                  // When the continuation gets rendered here we don't know if we
+                  // can reuse that fiber or if we need to clone it. There is
+                  // probably a clever way to restructure this.
+                  fiber = type;
+                  fiber.pendingProps = pendingProps;
+                  fiber.expirationTime = expirationTime;
+                  return fiber;
+                } else {
+                  throwOnInvalidElementType(type, owner);
+                }
+                break;
+            }
+          } else {
+            throwOnInvalidElementType(type, owner);
+          }
+        }
+    }
+  }
+
+  fiber = createFiber(fiberTag, pendingProps, key, mode);
+  fiber.type = type;
+  fiber.expirationTime = expirationTime;
+
+  {
+    fiber._debugSource = element._source;
+    fiber._debugOwner = element._owner;
+  }
+
+  return fiber;
+}
+
+function throwOnInvalidElementType(type, owner) {
+  var info = '';
+  {
+    if (type === undefined || typeof type === 'object' && type !== null && Object.keys(type).length === 0) {
+      info += ' You likely forgot to export your component from the file ' + "it's defined in, or you might have mixed up default and " + 'named imports.';
+    }
+    var ownerName = owner ? getComponentName(owner) : null;
+    if (ownerName) {
+      info += '\n\nCheck the render method of `' + ownerName + '`.';
+    }
+  }
+  invariant(false, 'Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: %s.%s', type == null ? type : typeof type, info);
+}
+
+function createFiberFromFragment(elements, mode, expirationTime, key) {
+  var fiber = createFiber(Fragment, elements, key, mode);
+  fiber.expirationTime = expirationTime;
+  return fiber;
+}
+
+function createFiberFromText(content, mode, expirationTime) {
+  var fiber = createFiber(HostText, content, null, mode);
+  fiber.expirationTime = expirationTime;
+  return fiber;
+}
+
+function createFiberFromHostInstanceForDeletion() {
+  var fiber = createFiber(HostComponent, null, null, NoContext);
+  fiber.type = 'DELETED';
+  return fiber;
+}
+
+function createFiberFromPortal(portal, mode, expirationTime) {
+  var pendingProps = portal.children !== null ? portal.children : [];
+  var fiber = createFiber(HostPortal, pendingProps, portal.key, mode);
+  fiber.expirationTime = expirationTime;
+  fiber.stateNode = {
+    containerInfo: portal.containerInfo,
+    pendingChildren: null, // Used by persistent updates
+    implementation: portal.implementation
+  };
+  return fiber;
+}
+
+// Used for stashing WIP properties to replay failed work in DEV.
+function assignFiberPropertiesInDEV(target, source) {
+  if (target === null) {
+    // This Fiber's initial properties will always be overwritten.
+    // We only use a Fiber to ensure the same hidden class so DEV isn't slow.
+    target = createFiber(IndeterminateComponent, null, null, NoContext);
+  }
+
+  // This is intentionally written as a list of all properties.
+  // We tried to use Object.assign() instead but this is called in
+  // the hottest path, and Object.assign() was too slow:
+  // https://github.com/facebook/react/issues/12502
+  // This code is DEV-only so size is not a concern.
+
+  target.tag = source.tag;
+  target.key = source.key;
+  target.type = source.type;
+  target.stateNode = source.stateNode;
+  target['return'] = source['return'];
+  target.child = source.child;
+  target.sibling = source.sibling;
+  target.index = source.index;
+  target.ref = source.ref;
+  target.pendingProps = source.pendingProps;
+  target.memoizedProps = source.memoizedProps;
+  target.updateQueue = source.updateQueue;
+  target.memoizedState = source.memoizedState;
+  target.mode = source.mode;
+  target.effectTag = source.effectTag;
+  target.nextEffect = source.nextEffect;
+  target.firstEffect = source.firstEffect;
+  target.lastEffect = source.lastEffect;
+  target.expirationTime = source.expirationTime;
+  target.alternate = source.alternate;
+  target._debugID = source._debugID;
+  target._debugSource = source._debugSource;
+  target._debugOwner = source._debugOwner;
+  target._debugIsCurrentlyTiming = source._debugIsCurrentlyTiming;
+  return target;
+}
+
+// TODO: This should be lifted into the renderer.
+
+
+function createFiberRoot(containerInfo, isAsync, hydrate) {
+  // Cyclic construction. This cheats the type system right now because
+  // stateNode is any.
+  var uninitializedFiber = createHostRootFiber(isAsync);
+  var root = {
+    current: uninitializedFiber,
+    containerInfo: containerInfo,
+    pendingChildren: null,
+    pendingCommitExpirationTime: NoWork,
+    finishedWork: null,
+    context: null,
+    pendingContext: null,
+    hydrate: hydrate,
+    remainingExpirationTime: NoWork,
+    firstBatch: null,
+    nextScheduledRoot: null
+  };
+  uninitializedFiber.stateNode = root;
+  return root;
+}
+
+var onCommitFiberRoot = null;
+var onCommitFiberUnmount = null;
+var hasLoggedError = false;
+
+function catchErrors(fn) {
+  return function (arg) {
+    try {
+      return fn(arg);
+    } catch (err) {
+      if (true && !hasLoggedError) {
+        hasLoggedError = true;
+        warning(false, 'React DevTools encountered an error: %s', err);
+      }
+    }
+  };
+}
+
+function injectInternals(internals) {
+  if (typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === 'undefined') {
+    // No DevTools
+    return false;
+  }
+  var hook = __REACT_DEVTOOLS_GLOBAL_HOOK__;
+  if (hook.isDisabled) {
+    // This isn't a real property on the hook, but it can be set to opt out
+    // of DevTools integration and associated warnings and logs.
+    // https://github.com/facebook/react/issues/3877
+    return true;
+  }
+  if (!hook.supportsFiber) {
+    {
+      warning(false, 'The installed version of React DevTools is too old and will not work ' + 'with the current version of React. Please update React DevTools. ' + 'https://fb.me/react-devtools');
+    }
+    // DevTools exists, even though it doesn't support Fiber.
+    return true;
+  }
+  try {
+    var rendererID = hook.inject(internals);
+    // We have successfully injected, so now it is safe to set up hooks.
+    onCommitFiberRoot = catchErrors(function (root) {
+      return hook.onCommitFiberRoot(rendererID, root);
+    });
+    onCommitFiberUnmount = catchErrors(function (fiber) {
+      return hook.onCommitFiberUnmount(rendererID, fiber);
+    });
+  } catch (err) {
+    // Catch all errors because it is unsafe to throw during initialization.
+    {
+      warning(false, 'React DevTools encountered an error: %s.', err);
+    }
+  }
+  // DevTools exists
+  return true;
+}
+
+function onCommitRoot(root) {
+  if (typeof onCommitFiberRoot === 'function') {
+    onCommitFiberRoot(root);
+  }
+}
+
+function onCommitUnmount(fiber) {
+  if (typeof onCommitFiberUnmount === 'function') {
+    onCommitFiberUnmount(fiber);
+  }
+}
+
+/**
+ * Forked from fbjs/warning:
+ * https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js
+ *
+ * Only change is we use console.warn instead of console.error,
+ * and do nothing when 'console' is not supported.
+ * This really simplifies the code.
+ * ---
+ * Similar to invariant but only logs a warning if the condition is not met.
+ * This can be used to log issues in development environments in critical
+ * paths. Removing the logging code for production environments will keep the
+ * same logic and follow the same code paths.
+ */
+
+var lowPriorityWarning = function () {};
+
+{
+  var printWarning = function (format) {
+    for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+      args[_key - 1] = arguments[_key];
+    }
+
+    var argIndex = 0;
+    var message = 'Warning: ' + format.replace(/%s/g, function () {
+      return args[argIndex++];
+    });
+    if (typeof console !== 'undefined') {
+      console.warn(message);
+    }
+    try {
+      // --- Welcome to debugging React ---
+      // This error was thrown as a convenience so that you can use this stack
+      // to find the callsite that caused this warning to fire.
+      throw new Error(message);
+    } catch (x) {}
+  };
+
+  lowPriorityWarning = function (condition, format) {
+    if (format === undefined) {
+      throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
+    }
+    if (!condition) {
+      for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
+        args[_key2 - 2] = arguments[_key2];
+      }
+
+      printWarning.apply(undefined, [format].concat(args));
+    }
+  };
+}
+
+var lowPriorityWarning$1 = lowPriorityWarning;
+
+var ReactStrictModeWarnings = {
+  discardPendingWarnings: function () {},
+  flushPendingDeprecationWarnings: function () {},
+  flushPendingUnsafeLifecycleWarnings: function () {},
+  recordDeprecationWarnings: function (fiber, instance) {},
+  recordUnsafeLifecycleWarnings: function (fiber, instance) {}
+};
+
+{
+  var LIFECYCLE_SUGGESTIONS = {
+    UNSAFE_componentWillMount: 'componentDidMount',
+    UNSAFE_componentWillReceiveProps: 'static getDerivedStateFromProps',
+    UNSAFE_componentWillUpdate: 'componentDidUpdate'
+  };
+
+  var pendingComponentWillMountWarnings = [];
+  var pendingComponentWillReceivePropsWarnings = [];
+  var pendingComponentWillUpdateWarnings = [];
+  var pendingUnsafeLifecycleWarnings = new Map();
+
+  // Tracks components we have already warned about.
+  var didWarnAboutDeprecatedLifecycles = new Set();
+  var didWarnAboutUnsafeLifecycles = new Set();
+
+  ReactStrictModeWarnings.discardPendingWarnings = function () {
+    pendingComponentWillMountWarnings = [];
+    pendingComponentWillReceivePropsWarnings = [];
+    pendingComponentWillUpdateWarnings = [];
+    pendingUnsafeLifecycleWarnings = new Map();
+  };
+
+  ReactStrictModeWarnings.flushPendingUnsafeLifecycleWarnings = function () {
+    pendingUnsafeLifecycleWarnings.forEach(function (lifecycleWarningsMap, strictRoot) {
+      var lifecyclesWarningMesages = [];
+
+      Object.keys(lifecycleWarningsMap).forEach(function (lifecycle) {
+        var lifecycleWarnings = lifecycleWarningsMap[lifecycle];
+        if (lifecycleWarnings.length > 0) {
+          var componentNames = new Set();
+          lifecycleWarnings.forEach(function (fiber) {
+            componentNames.add(getComponentName(fiber) || 'Component');
+            didWarnAboutUnsafeLifecycles.add(fiber.type);
+          });
+
+          var formatted = lifecycle.replace('UNSAFE_', '');
+          var suggestion = LIFECYCLE_SUGGESTIONS[lifecycle];
+          var sortedComponentNames = Array.from(componentNames).sort().join(', ');
+
+          lifecyclesWarningMesages.push(formatted + ': Please update the following components to use ' + (suggestion + ' instead: ' + sortedComponentNames));
+        }
+      });
+
+      if (lifecyclesWarningMesages.length > 0) {
+        var strictRootComponentStack = getStackAddendumByWorkInProgressFiber(strictRoot);
+
+        warning(false, 'Unsafe lifecycle methods were found within a strict-mode tree:%s' + '\n\n%s' + '\n\nLearn more about this warning here:' + '\nhttps://fb.me/react-strict-mode-warnings', strictRootComponentStack, lifecyclesWarningMesages.join('\n\n'));
+      }
+    });
+
+    pendingUnsafeLifecycleWarnings = new Map();
+  };
+
+  var getStrictRoot = function (fiber) {
+    var maybeStrictRoot = null;
+
+    while (fiber !== null) {
+      if (fiber.mode & StrictMode) {
+        maybeStrictRoot = fiber;
+      }
+
+      fiber = fiber['return'];
+    }
+
+    return maybeStrictRoot;
+  };
+
+  ReactStrictModeWarnings.flushPendingDeprecationWarnings = function () {
+    if (pendingComponentWillMountWarnings.length > 0) {
+      var uniqueNames = new Set();
+      pendingComponentWillMountWarnings.forEach(function (fiber) {
+        uniqueNames.add(getComponentName(fiber) || 'Component');
+        didWarnAboutDeprecatedLifecycles.add(fiber.type);
+      });
+
+      var sortedNames = Array.from(uniqueNames).sort().join(', ');
+
+      lowPriorityWarning$1(false, 'componentWillMount is deprecated and will be removed in the next major version. ' + 'Use componentDidMount instead. As a temporary workaround, ' + 'you can rename to UNSAFE_componentWillMount.' + '\n\nPlease update the following components: %s' + '\n\nLearn more about this warning here:' + '\nhttps://fb.me/react-async-component-lifecycle-hooks', sortedNames);
+
+      pendingComponentWillMountWarnings = [];
+    }
+
+    if (pendingComponentWillReceivePropsWarnings.length > 0) {
+      var _uniqueNames = new Set();
+      pendingComponentWillReceivePropsWarnings.forEach(function (fiber) {
+        _uniqueNames.add(getComponentName(fiber) || 'Component');
+        didWarnAboutDeprecatedLifecycles.add(fiber.type);
+      });
+
+      var _sortedNames = Array.from(_uniqueNames).sort().join(', ');
+
+      lowPriorityWarning$1(false, 'componentWillReceiveProps is deprecated and will be removed in the next major version. ' + 'Use static getDerivedStateFromProps instead.' + '\n\nPlease update the following components: %s' + '\n\nLearn more about this warning here:' + '\nhttps://fb.me/react-async-component-lifecycle-hooks', _sortedNames);
+
+      pendingComponentWillReceivePropsWarnings = [];
+    }
+
+    if (pendingComponentWillUpdateWarnings.length > 0) {
+      var _uniqueNames2 = new Set();
+      pendingComponentWillUpdateWarnings.forEach(function (fiber) {
+        _uniqueNames2.add(getComponentName(fiber) || 'Component');
+        didWarnAboutDeprecatedLifecycles.add(fiber.type);
+      });
+
+      var _sortedNames2 = Array.from(_uniqueNames2).sort().join(', ');
+
+      lowPriorityWarning$1(false, 'componentWillUpdate is deprecated and will be removed in the next major version. ' + 'Use componentDidUpdate instead. As a temporary workaround, ' + 'you can rename to UNSAFE_componentWillUpdate.' + '\n\nPlease update the following components: %s' + '\n\nLearn more about this warning here:' + '\nhttps://fb.me/react-async-component-lifecycle-hooks', _sortedNames2);
+
+      pendingComponentWillUpdateWarnings = [];
+    }
+  };
+
+  ReactStrictModeWarnings.recordDeprecationWarnings = function (fiber, instance) {
+    // Dedup strategy: Warn once per component.
+    if (didWarnAboutDeprecatedLifecycles.has(fiber.type)) {
+      return;
+    }
+
+    // Don't warn about react-lifecycles-compat polyfilled components.
+    if (typeof instance.componentWillMount === 'function' && instance.componentWillMount.__suppressDeprecationWarning !== true) {
+      pendingComponentWillMountWarnings.push(fiber);
+    }
+    if (typeof instance.componentWillReceiveProps === 'function' && instance.componentWillReceiveProps.__suppressDeprecationWarning !== true) {
+      pendingComponentWillReceivePropsWarnings.push(fiber);
+    }
+    if (typeof instance.componentWillUpdate === 'function' && instance.componentWillUpdate.__suppressDeprecationWarning !== true) {
+      pendingComponentWillUpdateWarnings.push(fiber);
+    }
+  };
+
+  ReactStrictModeWarnings.recordUnsafeLifecycleWarnings = function (fiber, instance) {
+    var strictRoot = getStrictRoot(fiber);
+
+    // Dedup strategy: Warn once per component.
+    // This is difficult to track any other way since component names
+    // are often vague and are likely to collide between 3rd party libraries.
+    // An expand property is probably okay to use here since it's DEV-only,
+    // and will only be set in the event of serious warnings.
+    if (didWarnAboutUnsafeLifecycles.has(fiber.type)) {
+      return;
+    }
+
+    // Don't warn about react-lifecycles-compat polyfilled components.
+    // Note that it is sufficient to check for the presence of a
+    // single lifecycle, componentWillMount, with the polyfill flag.
+    if (typeof instance.componentWillMount === 'function' && instance.componentWillMount.__suppressDeprecationWarning === true) {
+      return;
+    }
+
+    var warningsForRoot = void 0;
+    if (!pendingUnsafeLifecycleWarnings.has(strictRoot)) {
+      warningsForRoot = {
+        UNSAFE_componentWillMount: [],
+        UNSAFE_componentWillReceiveProps: [],
+        UNSAFE_componentWillUpdate: []
+      };
+
+      pendingUnsafeLifecycleWarnings.set(strictRoot, warningsForRoot);
+    } else {
+      warningsForRoot = pendingUnsafeLifecycleWarnings.get(strictRoot);
+    }
+
+    var unsafeLifecycles = [];
+    if (typeof instance.componentWillMount === 'function' || typeof instance.UNSAFE_componentWillMount === 'function') {
+      unsafeLifecycles.push('UNSAFE_componentWillMount');
+    }
+    if (typeof instance.componentWillReceiveProps === 'function' || typeof instance.UNSAFE_componentWillReceiveProps === 'function') {
+      unsafeLifecycles.push('UNSAFE_componentWillReceiveProps');
+    }
+    if (typeof instance.componentWillUpdate === 'function' || typeof instance.UNSAFE_componentWillUpdate === 'function') {
+      unsafeLifecycles.push('UNSAFE_componentWillUpdate');
+    }
+
+    if (unsafeLifecycles.length > 0) {
+      unsafeLifecycles.forEach(function (lifecycle) {
+        warningsForRoot[lifecycle].push(fiber);
+      });
+    }
+  };
+}
+
 // Exports ReactDOM.createRoot
-var enableCreateRoot = false;
 var enableUserTimingAPI = true;
 
 // Mutating mode (React DOM, React ART, React Native):
 var enableMutatingReconciler = true;
 // Experimental noop mode (currently unused):
 var enableNoopReconciler = false;
-// Experimental persistent mode (CS):
+// Experimental persistent mode (Fabric):
 var enablePersistentReconciler = false;
-
+// Experimental error-boundary API that can recover from errors within a single
+// render phase
+var enableGetDerivedStateFromCatch = false;
 // Helps identify side effects in begin-phase lifecycle hooks and setState reducers:
 var debugRenderPhaseSideEffects = false;
 
+// In some cases, StrictMode should also double-render lifecycles.
+// This can be confusing for tests though,
+// And it can be bad for performance in production.
+// This feature flag can be used to control the behavior:
+var debugRenderPhaseSideEffectsForStrictMode = true;
+
+// To preserve the "Pause on caught exceptions" behavior of the debugger, we
+// replay the begin phase of a failed component inside invokeGuardedCallback.
+var replayFailedUnitOfWorkWithInvokeGuardedCallback = true;
+
+// Warn about deprecated, async-unsafe lifecycles; relates to RFC #6:
+var warnAboutDeprecatedLifecycles = false;
+
+var alwaysUseRequestIdleCallbackPolyfill = false;
+
 // Only used in www builds.
 
-var valueStack = [];
-
-{
-  var fiberStack = [];
-}
-
-var index = -1;
-
-function createCursor(defaultValue) {
-  return {
-    current: defaultValue
-  };
-}
-
-
-
-function pop(cursor, fiber) {
-  if (index < 0) {
-    {
-      warning(false, 'Unexpected pop.');
-    }
-    return;
-  }
-
-  {
-    if (fiber !== fiberStack[index]) {
-      warning(false, 'Unexpected Fiber popped.');
-    }
-  }
-
-  cursor.current = valueStack[index];
-
-  valueStack[index] = null;
-
-  {
-    fiberStack[index] = null;
-  }
-
-  index--;
-}
-
-function push(cursor, value, fiber) {
-  index++;
-
-  valueStack[index] = cursor.current;
-
-  {
-    fiberStack[index] = fiber;
-  }
-
-  cursor.current = value;
-}
-
-function reset$1() {
-  while (index > -1) {
-    valueStack[index] = null;
-
-    {
-      fiberStack[index] = null;
-    }
-
-    index--;
-  }
-}
-
-var describeComponentFrame = function (name, source, ownerName) {
-  return '\n    in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : '');
-};
-
-function describeFiber(fiber) {
-  switch (fiber.tag) {
-    case IndeterminateComponent:
-    case FunctionalComponent:
-    case ClassComponent:
-    case HostComponent:
-      var owner = fiber._debugOwner;
-      var source = fiber._debugSource;
-      var name = getComponentName(fiber);
-      var ownerName = null;
-      if (owner) {
-        ownerName = getComponentName(owner);
-      }
-      return describeComponentFrame(name, source, ownerName);
-    default:
-      return '';
-  }
-}
-
-// This function can only be called with a work-in-progress fiber and
-// only during begin or complete phase. Do not call it under any other
-// circumstances.
-function getStackAddendumByWorkInProgressFiber(workInProgress) {
-  var info = '';
-  var node = workInProgress;
-  do {
-    info += describeFiber(node);
-    // Otherwise this return pointer might point to the wrong tree:
-    node = node['return'];
-  } while (node);
-  return info;
-}
-
-function getCurrentFiberOwnerName() {
-  {
-    var fiber = ReactDebugCurrentFiber.current;
-    if (fiber === null) {
-      return null;
-    }
-    var owner = fiber._debugOwner;
-    if (owner !== null && typeof owner !== 'undefined') {
-      return getComponentName(owner);
-    }
-  }
-  return null;
-}
-
-function getCurrentFiberStackAddendum() {
-  {
-    var fiber = ReactDebugCurrentFiber.current;
-    if (fiber === null) {
-      return null;
-    }
-    // Safe because if current fiber exists, we are reconciling,
-    // and it is guaranteed to be the work-in-progress version.
-    return getStackAddendumByWorkInProgressFiber(fiber);
-  }
-  return null;
-}
-
-function resetCurrentFiber() {
-  ReactDebugCurrentFrame.getCurrentStack = null;
-  ReactDebugCurrentFiber.current = null;
-  ReactDebugCurrentFiber.phase = null;
-}
-
-function setCurrentFiber(fiber) {
-  ReactDebugCurrentFrame.getCurrentStack = getCurrentFiberStackAddendum;
-  ReactDebugCurrentFiber.current = fiber;
-  ReactDebugCurrentFiber.phase = null;
-}
-
-function setCurrentPhase(phase) {
-  ReactDebugCurrentFiber.phase = phase;
-}
-
-var ReactDebugCurrentFiber = {
-  current: null,
-  phase: null,
-  resetCurrentFiber: resetCurrentFiber,
-  setCurrentFiber: setCurrentFiber,
-  setCurrentPhase: setCurrentPhase,
-  getCurrentFiberOwnerName: getCurrentFiberOwnerName,
-  getCurrentFiberStackAddendum: getCurrentFiberStackAddendum
-};
-
 // Prefix measurements so that it's possible to filter them.
 // Longer prefixes are hard to read in DevTools.
 var reactEmoji = '\u269B';
@@ -15656,8 +16530,11 @@ var shouldIgnoreFiber = function (fiber) {
     case HostComponent:
     case HostText:
     case HostPortal:
+    case CallComponent:
     case ReturnComponent:
     case Fragment:
+    case ContextProvider:
+    case ContextConsumer:
       return true;
     default:
       return false;
@@ -15727,12 +16604,12 @@ function startRequestCallbackTimer() {
   }
 }
 
-function stopRequestCallbackTimer(didExpire) {
+function stopRequestCallbackTimer(didExpire, expirationTime) {
   if (enableUserTimingAPI) {
     if (supportsUserTiming) {
       isWaitingForCallback = false;
       var warning$$1 = didExpire ? 'React was blocked by main thread' : null;
-      endMark('(Waiting for async callback...)', '(Waiting for async callback...)', warning$$1);
+      endMark('(Waiting for async callback... will force flush in ' + expirationTime + ' ms)', '(Waiting for async callback...)', warning$$1);
     }
   }
 }
@@ -15837,7 +16714,7 @@ function startWorkLoopTimer(nextUnitOfWork) {
   }
 }
 
-function stopWorkLoopTimer(interruptedBy) {
+function stopWorkLoopTimer(interruptedBy, didCompleteRoot) {
   if (enableUserTimingAPI) {
     if (!supportsUserTiming) {
       return;
@@ -15854,9 +16731,10 @@ function stopWorkLoopTimer(interruptedBy) {
       warning$$1 = 'There were cascading updates';
     }
     commitCountInCurrentWorkLoop = 0;
+    var label = didCompleteRoot ? '(React Tree Reconciliation: Completed Root)' : '(React Tree Reconciliation: Yielded)';
     // Pause any measurements until the next loop.
     pauseTimers();
-    endMark('(React Tree Reconciliation)', '(React Tree Reconciliation)', warning$$1);
+    endMark(label, '(React Tree Reconciliation)', warning$$1);
   }
 }
 
@@ -15893,6 +16771,27 @@ function stopCommitTimer() {
   }
 }
 
+function startCommitSnapshotEffectsTimer() {
+  if (enableUserTimingAPI) {
+    if (!supportsUserTiming) {
+      return;
+    }
+    effectCountInCurrentCommit = 0;
+    beginMark('(Committing Snapshot Effects)');
+  }
+}
+
+function stopCommitSnapshotEffectsTimer() {
+  if (enableUserTimingAPI) {
+    if (!supportsUserTiming) {
+      return;
+    }
+    var count = effectCountInCurrentCommit;
+    effectCountInCurrentCommit = 0;
+    endMark('(Committing Snapshot Effects: ' + count + ' Total)', '(Committing Snapshot Effects)', null);
+  }
+}
+
 function startCommitHostEffectsTimer() {
   if (enableUserTimingAPI) {
     if (!supportsUserTiming) {
@@ -15935,572 +16834,10 @@ function stopCommitLifeCyclesTimer() {
   }
 }
 
-{
-  var warnedAboutMissingGetChildContext = {};
-}
-
-// A cursor to the current merged context object on the stack.
-var contextStackCursor = createCursor(emptyObject);
-// A cursor to a boolean indicating whether the context has changed.
-var didPerformWorkStackCursor = createCursor(false);
-// Keep track of the previous context object that was on the stack.
-// We use this to get access to the parent context after we have already
-// pushed the next context provider, and now need to merge their contexts.
-var previousContext = emptyObject;
-
-function getUnmaskedContext(workInProgress) {
-  var hasOwnContext = isContextProvider(workInProgress);
-  if (hasOwnContext) {
-    // If the fiber is a context provider itself, when we read its context
-    // we have already pushed its own child context on the stack. A context
-    // provider should not "see" its own child context. Therefore we read the
-    // previous (parent) context instead for a context provider.
-    return previousContext;
-  }
-  return contextStackCursor.current;
-}
-
-function cacheContext(workInProgress, unmaskedContext, maskedContext) {
-  var instance = workInProgress.stateNode;
-  instance.__reactInternalMemoizedUnmaskedChildContext = unmaskedContext;
-  instance.__reactInternalMemoizedMaskedChildContext = maskedContext;
-}
-
-function getMaskedContext(workInProgress, unmaskedContext) {
-  var type = workInProgress.type;
-  var contextTypes = type.contextTypes;
-  if (!contextTypes) {
-    return emptyObject;
-  }
-
-  // Avoid recreating masked context unless unmasked context has changed.
-  // Failing to do this will result in unnecessary calls to componentWillReceiveProps.
-  // This may trigger infinite loops if componentWillReceiveProps calls setState.
-  var instance = workInProgress.stateNode;
-  if (instance && instance.__reactInternalMemoizedUnmaskedChildContext === unmaskedContext) {
-    return instance.__reactInternalMemoizedMaskedChildContext;
-  }
-
-  var context = {};
-  for (var key in contextTypes) {
-    context[key] = unmaskedContext[key];
-  }
-
-  {
-    var name = getComponentName(workInProgress) || 'Unknown';
-    checkPropTypes(contextTypes, context, 'context', name, ReactDebugCurrentFiber.getCurrentFiberStackAddendum);
-  }
-
-  // Cache unmasked context so we can avoid recreating masked context unless necessary.
-  // Context is created before the class component is instantiated so check for instance.
-  if (instance) {
-    cacheContext(workInProgress, unmaskedContext, context);
-  }
-
-  return context;
-}
-
-function hasContextChanged() {
-  return didPerformWorkStackCursor.current;
-}
-
-function isContextConsumer(fiber) {
-  return fiber.tag === ClassComponent && fiber.type.contextTypes != null;
-}
-
-function isContextProvider(fiber) {
-  return fiber.tag === ClassComponent && fiber.type.childContextTypes != null;
-}
-
-function popContextProvider(fiber) {
-  if (!isContextProvider(fiber)) {
-    return;
-  }
-
-  pop(didPerformWorkStackCursor, fiber);
-  pop(contextStackCursor, fiber);
-}
-
-function popTopLevelContextObject(fiber) {
-  pop(didPerformWorkStackCursor, fiber);
-  pop(contextStackCursor, fiber);
-}
-
-function pushTopLevelContextObject(fiber, context, didChange) {
-  !(contextStackCursor.cursor == null) ? invariant(false, 'Unexpected context found on stack. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-
-  push(contextStackCursor, context, fiber);
-  push(didPerformWorkStackCursor, didChange, fiber);
-}
-
-function processChildContext(fiber, parentContext) {
-  var instance = fiber.stateNode;
-  var childContextTypes = fiber.type.childContextTypes;
-
-  // TODO (bvaughn) Replace this behavior with an invariant() in the future.
-  // It has only been added in Fiber to match the (unintentional) behavior in Stack.
-  if (typeof instance.getChildContext !== 'function') {
-    {
-      var componentName = getComponentName(fiber) || 'Unknown';
-
-      if (!warnedAboutMissingGetChildContext[componentName]) {
-        warnedAboutMissingGetChildContext[componentName] = true;
-        warning(false, '%s.childContextTypes is specified but there is no getChildContext() method ' + 'on the instance. You can either define getChildContext() on %s or remove ' + 'childContextTypes from it.', componentName, componentName);
-      }
-    }
-    return parentContext;
-  }
-
-  var childContext = void 0;
-  {
-    ReactDebugCurrentFiber.setCurrentPhase('getChildContext');
-  }
-  startPhaseTimer(fiber, 'getChildContext');
-  childContext = instance.getChildContext();
-  stopPhaseTimer();
-  {
-    ReactDebugCurrentFiber.setCurrentPhase(null);
-  }
-  for (var contextKey in childContext) {
-    !(contextKey in childContextTypes) ? invariant(false, '%s.getChildContext(): key "%s" is not defined in childContextTypes.', getComponentName(fiber) || 'Unknown', contextKey) : void 0;
-  }
-  {
-    var name = getComponentName(fiber) || 'Unknown';
-    checkPropTypes(childContextTypes, childContext, 'child context', name,
-    // In practice, there is one case in which we won't get a stack. It's when
-    // somebody calls unstable_renderSubtreeIntoContainer() and we process
-    // context from the parent component instance. The stack will be missing
-    // because it's outside of the reconciliation, and so the pointer has not
-    // been set. This is rare and doesn't matter. We'll also remove that API.
-    ReactDebugCurrentFiber.getCurrentFiberStackAddendum);
-  }
-
-  return _assign({}, parentContext, childContext);
-}
-
-function pushContextProvider(workInProgress) {
-  if (!isContextProvider(workInProgress)) {
-    return false;
-  }
-
-  var instance = workInProgress.stateNode;
-  // We push the context as early as possible to ensure stack integrity.
-  // If the instance does not exist yet, we will push null at first,
-  // and replace it on the stack later when invalidating the context.
-  var memoizedMergedChildContext = instance && instance.__reactInternalMemoizedMergedChildContext || emptyObject;
-
-  // Remember the parent context so we can merge with it later.
-  // Inherit the parent's did-perform-work value to avoid inadvertently blocking updates.
-  previousContext = contextStackCursor.current;
-  push(contextStackCursor, memoizedMergedChildContext, workInProgress);
-  push(didPerformWorkStackCursor, didPerformWorkStackCursor.current, workInProgress);
-
-  return true;
-}
-
-function invalidateContextProvider(workInProgress, didChange) {
-  var instance = workInProgress.stateNode;
-  !instance ? invariant(false, 'Expected to have an instance by this point. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-
-  if (didChange) {
-    // Merge parent and own context.
-    // Skip this if we're not updating due to sCU.
-    // This avoids unnecessarily recomputing memoized values.
-    var mergedContext = processChildContext(workInProgress, previousContext);
-    instance.__reactInternalMemoizedMergedChildContext = mergedContext;
-
-    // Replace the old (or empty) context with the new one.
-    // It is important to unwind the context in the reverse order.
-    pop(didPerformWorkStackCursor, workInProgress);
-    pop(contextStackCursor, workInProgress);
-    // Now push the new context and mark that it has changed.
-    push(contextStackCursor, mergedContext, workInProgress);
-    push(didPerformWorkStackCursor, didChange, workInProgress);
-  } else {
-    pop(didPerformWorkStackCursor, workInProgress);
-    push(didPerformWorkStackCursor, didChange, workInProgress);
-  }
-}
-
-function resetContext() {
-  previousContext = emptyObject;
-  contextStackCursor.current = emptyObject;
-  didPerformWorkStackCursor.current = false;
-}
-
-function findCurrentUnmaskedContext(fiber) {
-  // Currently this is only used with renderSubtreeIntoContainer; not sure if it
-  // makes sense elsewhere
-  !(isFiberMounted(fiber) && fiber.tag === ClassComponent) ? invariant(false, 'Expected subtree parent to be a mounted class component. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-
-  var node = fiber;
-  while (node.tag !== HostRoot) {
-    if (isContextProvider(node)) {
-      return node.stateNode.__reactInternalMemoizedMergedChildContext;
-    }
-    var parent = node['return'];
-    !parent ? invariant(false, 'Found unexpected detached subtree parent. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-    node = parent;
-  }
-  return node.stateNode.context;
-}
-
-var NoWork = 0; // TODO: Use an opaque type once ESLint et al support the syntax
-
-var Sync = 1;
-var Never = 2147483647; // Max int32: Math.pow(2, 31) - 1
-
-var UNIT_SIZE = 10;
-var MAGIC_NUMBER_OFFSET = 2;
-
-// 1 unit of expiration time represents 10ms.
-function msToExpirationTime(ms) {
-  // Always add an offset so that we don't clash with the magic number for NoWork.
-  return (ms / UNIT_SIZE | 0) + MAGIC_NUMBER_OFFSET;
-}
-
-function expirationTimeToMs(expirationTime) {
-  return (expirationTime - MAGIC_NUMBER_OFFSET) * UNIT_SIZE;
-}
-
-function ceiling(num, precision) {
-  return ((num / precision | 0) + 1) * precision;
-}
-
-function computeExpirationBucket(currentTime, expirationInMs, bucketSizeMs) {
-  return ceiling(currentTime + expirationInMs / UNIT_SIZE, bucketSizeMs / UNIT_SIZE);
-}
-
-var NoContext = 0;
-var AsyncUpdates = 1;
+var didWarnUpdateInsideUpdate = void 0;
 
 {
-  var hasBadMapPolyfill = false;
-  try {
-    var nonExtensibleObject = Object.preventExtensions({});
-    /* eslint-disable no-new */
-    
-    /* eslint-enable no-new */
-  } catch (e) {
-    // TODO: Consider warning about bad polyfills
-    hasBadMapPolyfill = true;
-  }
-}
-
-// A Fiber is work on a Component that needs to be done or was done. There can
-// be more than one per component.
-
-
-{
-  var debugCounter = 1;
-}
-
-function FiberNode(tag, key, internalContextTag) {
-  // Instance
-  this.tag = tag;
-  this.key = key;
-  this.type = null;
-  this.stateNode = null;
-
-  // Fiber
-  this['return'] = null;
-  this.child = null;
-  this.sibling = null;
-  this.index = 0;
-
-  this.ref = null;
-
-  this.pendingProps = null;
-  this.memoizedProps = null;
-  this.updateQueue = null;
-  this.memoizedState = null;
-
-  this.internalContextTag = internalContextTag;
-
-  // Effects
-  this.effectTag = NoEffect;
-  this.nextEffect = null;
-
-  this.firstEffect = null;
-  this.lastEffect = null;
-
-  this.expirationTime = NoWork;
-
-  this.alternate = null;
-
-  {
-    this._debugID = debugCounter++;
-    this._debugSource = null;
-    this._debugOwner = null;
-    this._debugIsCurrentlyTiming = false;
-    if (!hasBadMapPolyfill && typeof Object.preventExtensions === 'function') {
-      Object.preventExtensions(this);
-    }
-  }
-}
-
-// This is a constructor function, rather than a POJO constructor, still
-// please ensure we do the following:
-// 1) Nobody should add any instance methods on this. Instance methods can be
-//    more difficult to predict when they get optimized and they are almost
-//    never inlined properly in static compilers.
-// 2) Nobody should rely on `instanceof Fiber` for type testing. We should
-//    always know when it is a fiber.
-// 3) We might want to experiment with using numeric keys since they are easier
-//    to optimize in a non-JIT environment.
-// 4) We can easily go from a constructor to a createFiber object literal if that
-//    is faster.
-// 5) It should be easy to port this to a C struct and keep a C implementation
-//    compatible.
-var createFiber = function (tag, key, internalContextTag) {
-  // $FlowFixMe: the shapes are exact here but Flow doesn't like constructors
-  return new FiberNode(tag, key, internalContextTag);
-};
-
-function shouldConstruct(Component) {
-  return !!(Component.prototype && Component.prototype.isReactComponent);
-}
-
-// This is used to create an alternate fiber to do work on.
-function createWorkInProgress(current, pendingProps, expirationTime) {
-  var workInProgress = current.alternate;
-  if (workInProgress === null) {
-    // We use a double buffering pooling technique because we know that we'll
-    // only ever need at most two versions of a tree. We pool the "other" unused
-    // node that we're free to reuse. This is lazily created to avoid allocating
-    // extra objects for things that are never updated. It also allow us to
-    // reclaim the extra memory if needed.
-    workInProgress = createFiber(current.tag, current.key, current.internalContextTag);
-    workInProgress.type = current.type;
-    workInProgress.stateNode = current.stateNode;
-
-    {
-      // DEV-only fields
-      workInProgress._debugID = current._debugID;
-      workInProgress._debugSource = current._debugSource;
-      workInProgress._debugOwner = current._debugOwner;
-    }
-
-    workInProgress.alternate = current;
-    current.alternate = workInProgress;
-  } else {
-    // We already have an alternate.
-    // Reset the effect tag.
-    workInProgress.effectTag = NoEffect;
-
-    // The effect list is no longer valid.
-    workInProgress.nextEffect = null;
-    workInProgress.firstEffect = null;
-    workInProgress.lastEffect = null;
-  }
-
-  workInProgress.expirationTime = expirationTime;
-  workInProgress.pendingProps = pendingProps;
-
-  workInProgress.child = current.child;
-  workInProgress.memoizedProps = current.memoizedProps;
-  workInProgress.memoizedState = current.memoizedState;
-  workInProgress.updateQueue = current.updateQueue;
-
-  // These will be overridden during the parent's reconciliation
-  workInProgress.sibling = current.sibling;
-  workInProgress.index = current.index;
-  workInProgress.ref = current.ref;
-
-  return workInProgress;
-}
-
-function createHostRootFiber() {
-  var fiber = createFiber(HostRoot, null, NoContext);
-  return fiber;
-}
-
-function createFiberFromElement(element, internalContextTag, expirationTime) {
-  var owner = null;
-  {
-    owner = element._owner;
-  }
-
-  var fiber = void 0;
-  var type = element.type,
-      key = element.key;
-
-  if (typeof type === 'function') {
-    fiber = shouldConstruct(type) ? createFiber(ClassComponent, key, internalContextTag) : createFiber(IndeterminateComponent, key, internalContextTag);
-    fiber.type = type;
-    fiber.pendingProps = element.props;
-  } else if (typeof type === 'string') {
-    fiber = createFiber(HostComponent, key, internalContextTag);
-    fiber.type = type;
-    fiber.pendingProps = element.props;
-  } else if (typeof type === 'object' && type !== null && typeof type.tag === 'number') {
-    // Currently assumed to be a continuation and therefore is a fiber already.
-    // TODO: The yield system is currently broken for updates in some cases.
-    // The reified yield stores a fiber, but we don't know which fiber that is;
-    // the current or a workInProgress? When the continuation gets rendered here
-    // we don't know if we can reuse that fiber or if we need to clone it.
-    // There is probably a clever way to restructure this.
-    fiber = type;
-    fiber.pendingProps = element.props;
-  } else {
-    var info = '';
-    {
-      if (type === undefined || typeof type === 'object' && type !== null && Object.keys(type).length === 0) {
-        info += ' You likely forgot to export your component from the file ' + "it's defined in, or you might have mixed up default and named imports.";
-      }
-      var ownerName = owner ? getComponentName(owner) : null;
-      if (ownerName) {
-        info += '\n\nCheck the render method of `' + ownerName + '`.';
-      }
-    }
-    invariant(false, 'Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: %s.%s', type == null ? type : typeof type, info);
-  }
-
-  {
-    fiber._debugSource = element._source;
-    fiber._debugOwner = element._owner;
-  }
-
-  fiber.expirationTime = expirationTime;
-
-  return fiber;
-}
-
-function createFiberFromFragment(elements, internalContextTag, expirationTime, key) {
-  var fiber = createFiber(Fragment, key, internalContextTag);
-  fiber.pendingProps = elements;
-  fiber.expirationTime = expirationTime;
-  return fiber;
-}
-
-function createFiberFromText(content, internalContextTag, expirationTime) {
-  var fiber = createFiber(HostText, null, internalContextTag);
-  fiber.pendingProps = content;
-  fiber.expirationTime = expirationTime;
-  return fiber;
-}
-
-function createFiberFromHostInstanceForDeletion() {
-  var fiber = createFiber(HostComponent, null, NoContext);
-  fiber.type = 'DELETED';
-  return fiber;
-}
-
-function createFiberFromCall(call, internalContextTag, expirationTime) {
-  var fiber = createFiber(CallComponent, call.key, internalContextTag);
-  fiber.type = call.handler;
-  fiber.pendingProps = call;
-  fiber.expirationTime = expirationTime;
-  return fiber;
-}
-
-function createFiberFromReturn(returnNode, internalContextTag, expirationTime) {
-  var fiber = createFiber(ReturnComponent, null, internalContextTag);
-  fiber.expirationTime = expirationTime;
-  return fiber;
-}
-
-function createFiberFromPortal(portal, internalContextTag, expirationTime) {
-  var fiber = createFiber(HostPortal, portal.key, internalContextTag);
-  fiber.pendingProps = portal.children || [];
-  fiber.expirationTime = expirationTime;
-  fiber.stateNode = {
-    containerInfo: portal.containerInfo,
-    pendingChildren: null, // Used by persistent updates
-    implementation: portal.implementation
-  };
-  return fiber;
-}
-
-function createFiberRoot(containerInfo, hydrate) {
-  // Cyclic construction. This cheats the type system right now because
-  // stateNode is any.
-  var uninitializedFiber = createHostRootFiber();
-  var root = {
-    current: uninitializedFiber,
-    containerInfo: containerInfo,
-    pendingChildren: null,
-    remainingExpirationTime: NoWork,
-    isReadyForCommit: false,
-    finishedWork: null,
-    context: null,
-    pendingContext: null,
-    hydrate: hydrate,
-    nextScheduledRoot: null
-  };
-  uninitializedFiber.stateNode = root;
-  return root;
-}
-
-var onCommitFiberRoot = null;
-var onCommitFiberUnmount = null;
-var hasLoggedError = false;
-
-function catchErrors(fn) {
-  return function (arg) {
-    try {
-      return fn(arg);
-    } catch (err) {
-      if (true && !hasLoggedError) {
-        hasLoggedError = true;
-        warning(false, 'React DevTools encountered an error: %s', err);
-      }
-    }
-  };
-}
-
-function injectInternals(internals) {
-  if (typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === 'undefined') {
-    // No DevTools
-    return false;
-  }
-  var hook = __REACT_DEVTOOLS_GLOBAL_HOOK__;
-  if (hook.isDisabled) {
-    // This isn't a real property on the hook, but it can be set to opt out
-    // of DevTools integration and associated warnings and logs.
-    // https://github.com/facebook/react/issues/3877
-    return true;
-  }
-  if (!hook.supportsFiber) {
-    {
-      warning(false, 'The installed version of React DevTools is too old and will not work ' + 'with the current version of React. Please update React DevTools. ' + 'https://fb.me/react-devtools');
-    }
-    // DevTools exists, even though it doesn't support Fiber.
-    return true;
-  }
-  try {
-    var rendererID = hook.inject(internals);
-    // We have successfully injected, so now it is safe to set up hooks.
-    onCommitFiberRoot = catchErrors(function (root) {
-      return hook.onCommitFiberRoot(rendererID, root);
-    });
-    onCommitFiberUnmount = catchErrors(function (fiber) {
-      return hook.onCommitFiberUnmount(rendererID, fiber);
-    });
-  } catch (err) {
-    // Catch all errors because it is unsafe to throw during initialization.
-    {
-      warning(false, 'React DevTools encountered an error: %s.', err);
-    }
-  }
-  // DevTools exists
-  return true;
-}
-
-function onCommitRoot(root) {
-  if (typeof onCommitFiberRoot === 'function') {
-    onCommitFiberRoot(root);
-  }
-}
-
-function onCommitUnmount(fiber) {
-  if (typeof onCommitFiberUnmount === 'function') {
-    onCommitFiberUnmount(fiber);
-  }
-}
-
-{
-  var didWarnUpdateInsideUpdate = false;
+  didWarnUpdateInsideUpdate = false;
 }
 
 // Callbacks are not validated until invocation
@@ -16527,7 +16864,8 @@ function createUpdateQueue(baseState) {
     last: null,
     callbackList: null,
     hasForceUpdate: false,
-    isInitialized: false
+    isInitialized: false,
+    capturedValues: null
   };
   {
     queue.isProcessing = false;
@@ -16549,7 +16887,10 @@ function insertUpdateIntoQueue(queue, update) {
   }
 }
 
-function insertUpdateIntoFiber(fiber, update) {
+var q1 = void 0;
+var q2 = void 0;
+function ensureUpdateQueues(fiber) {
+  q1 = q2 = null;
   // We'll have at least one and at most two distinct update queues.
   var alternateFiber = fiber.alternate;
   var queue1 = fiber.updateQueue;
@@ -16572,6 +16913,16 @@ function insertUpdateIntoFiber(fiber, update) {
   }
   queue2 = queue2 !== queue1 ? queue2 : null;
 
+  // Use module variables instead of returning a tuple
+  q1 = queue1;
+  q2 = queue2;
+}
+
+function insertUpdateIntoFiber(fiber, update) {
+  ensureUpdateQueues(fiber);
+  var queue1 = q1;
+  var queue2 = q2;
+
   // Warn if an update is scheduled from inside an updater function.
   {
     if ((queue1.isProcessing || queue2 !== null && queue2.isProcessing) && !didWarnUpdateInsideUpdate) {
@@ -16602,27 +16953,23 @@ function insertUpdateIntoFiber(fiber, update) {
 }
 
 function getUpdateExpirationTime(fiber) {
-  if (fiber.tag !== ClassComponent && fiber.tag !== HostRoot) {
-    return NoWork;
+  switch (fiber.tag) {
+    case HostRoot:
+    case ClassComponent:
+      var updateQueue = fiber.updateQueue;
+      if (updateQueue === null) {
+        return NoWork;
+      }
+      return updateQueue.expirationTime;
+    default:
+      return NoWork;
   }
-  var updateQueue = fiber.updateQueue;
-  if (updateQueue === null) {
-    return NoWork;
-  }
-  return updateQueue.expirationTime;
 }
 
 function getStateFromUpdate(update, instance, prevState, props) {
   var partialState = update.partialState;
   if (typeof partialState === 'function') {
-    var updateFn = partialState;
-
-    // Invoke setState callback an extra time to help detect side-effects.
-    if (debugRenderPhaseSideEffects) {
-      updateFn.call(instance, prevState, props);
-    }
-
-    return updateFn.call(instance, prevState, props);
+    return partialState.call(instance, prevState, props);
   } else {
     return partialState;
   }
@@ -16638,6 +16985,7 @@ function processUpdateQueue(current, workInProgress, queue, instance, props, ren
       first: currentQueue.first,
       last: currentQueue.last,
       isInitialized: currentQueue.isInitialized,
+      capturedValues: currentQueue.capturedValues,
       // These fields are no longer valid because they were already committed.
       // Reset them.
       callbackList: null,
@@ -16698,6 +17046,12 @@ function processUpdateQueue(current, workInProgress, queue, instance, props, ren
       }
     }
 
+    // Invoke setState callback an extra time to help detect side-effects.
+    // Ignore the return value in this case.
+    if (debugRenderPhaseSideEffects || debugRenderPhaseSideEffectsForStrictMode && workInProgress.mode & StrictMode) {
+      getStateFromUpdate(update, instance, state, props);
+    }
+
     // Process the update
     var _partialState = void 0;
     if (update.isReplace) {
@@ -16726,12 +17080,20 @@ function processUpdateQueue(current, workInProgress, queue, instance, props, ren
       }
       _callbackList.push(update);
     }
+    if (update.capturedValue !== null) {
+      var _capturedValues = queue.capturedValues;
+      if (_capturedValues === null) {
+        queue.capturedValues = [update.capturedValue];
+      } else {
+        _capturedValues.push(update.capturedValue);
+      }
+    }
     update = update.next;
   }
 
   if (queue.callbackList !== null) {
     workInProgress.effectTag |= Callback;
-  } else if (queue.first === null && !queue.hasForceUpdate) {
+  } else if (queue.first === null && !queue.hasForceUpdate && queue.capturedValues === null) {
     // The queue is empty. We can reset it.
     workInProgress.updateQueue = null;
   }
@@ -16770,11 +17132,31 @@ function commitCallbacks(queue, context) {
 var fakeInternalInstance = {};
 var isArray = Array.isArray;
 
-{
-  var didWarnAboutStateAssignmentForComponent = {};
+var didWarnAboutStateAssignmentForComponent = void 0;
+var didWarnAboutUndefinedDerivedState = void 0;
+var didWarnAboutUninitializedState = void 0;
+var didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate = void 0;
+var didWarnAboutLegacyLifecyclesAndDerivedState = void 0;
+var warnOnInvalidCallback$1 = void 0;
 
-  var warnOnInvalidCallback = function (callback, callerName) {
-    warning(callback === null || typeof callback === 'function', '%s(...): Expected the last optional `callback` argument to be a ' + 'function. Instead received: %s.', callerName, callback);
+{
+  didWarnAboutStateAssignmentForComponent = new Set();
+  didWarnAboutUndefinedDerivedState = new Set();
+  didWarnAboutUninitializedState = new Set();
+  didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate = new Set();
+  didWarnAboutLegacyLifecyclesAndDerivedState = new Set();
+
+  var didWarnOnInvalidCallback = new Set();
+
+  warnOnInvalidCallback$1 = function (callback, callerName) {
+    if (callback === null || typeof callback === 'function') {
+      return;
+    }
+    var key = callerName + '_' + callback;
+    if (!didWarnOnInvalidCallback.has(key)) {
+      didWarnOnInvalidCallback.add(key);
+      warning(false, '%s(...): Expected the last optional `callback` argument to be a ' + 'function. Instead received: %s.', callerName, callback);
+    }
   };
 
   // This is so gross but it's at least non-critical and can be removed if
@@ -16790,16 +17172,35 @@ var isArray = Array.isArray;
   });
   Object.freeze(fakeInternalInstance);
 }
+function callGetDerivedStateFromCatch(ctor, capturedValues) {
+  var resultState = {};
+  for (var i = 0; i < capturedValues.length; i++) {
+    var capturedValue = capturedValues[i];
+    var error = capturedValue.value;
+    var partialState = ctor.getDerivedStateFromCatch.call(null, error);
+    if (partialState !== null && partialState !== undefined) {
+      _assign(resultState, partialState);
+    }
+  }
+  return resultState;
+}
+
+var ReactFiberClassComponent = function (legacyContext, scheduleWork, computeExpirationForFiber, memoizeProps, memoizeState) {
+  var cacheContext = legacyContext.cacheContext,
+      getMaskedContext = legacyContext.getMaskedContext,
+      getUnmaskedContext = legacyContext.getUnmaskedContext,
+      isContextConsumer = legacyContext.isContextConsumer,
+      hasContextChanged = legacyContext.hasContextChanged;
 
-var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber, memoizeProps, memoizeState) {
   // Class component state updater
+
   var updater = {
     isMounted: isMounted,
     enqueueSetState: function (instance, partialState, callback) {
       var fiber = get(instance);
       callback = callback === undefined ? null : callback;
       {
-        warnOnInvalidCallback(callback, 'setState');
+        warnOnInvalidCallback$1(callback, 'setState');
       }
       var expirationTime = computeExpirationForFiber(fiber);
       var update = {
@@ -16808,7 +17209,7 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
         callback: callback,
         isReplace: false,
         isForced: false,
-        nextCallback: null,
+        capturedValue: null,
         next: null
       };
       insertUpdateIntoFiber(fiber, update);
@@ -16818,7 +17219,7 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
       var fiber = get(instance);
       callback = callback === undefined ? null : callback;
       {
-        warnOnInvalidCallback(callback, 'replaceState');
+        warnOnInvalidCallback$1(callback, 'replaceState');
       }
       var expirationTime = computeExpirationForFiber(fiber);
       var update = {
@@ -16827,7 +17228,7 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
         callback: callback,
         isReplace: true,
         isForced: false,
-        nextCallback: null,
+        capturedValue: null,
         next: null
       };
       insertUpdateIntoFiber(fiber, update);
@@ -16837,7 +17238,7 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
       var fiber = get(instance);
       callback = callback === undefined ? null : callback;
       {
-        warnOnInvalidCallback(callback, 'forceUpdate');
+        warnOnInvalidCallback$1(callback, 'forceUpdate');
       }
       var expirationTime = computeExpirationForFiber(fiber);
       var update = {
@@ -16846,7 +17247,7 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
         callback: callback,
         isReplace: false,
         isForced: true,
-        nextCallback: null,
+        capturedValue: null,
         next: null
       };
       insertUpdateIntoFiber(fiber, update);
@@ -16861,25 +17262,20 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
     }
 
     var instance = workInProgress.stateNode;
-    var type = workInProgress.type;
+    var ctor = workInProgress.type;
     if (typeof instance.shouldComponentUpdate === 'function') {
       startPhaseTimer(workInProgress, 'shouldComponentUpdate');
       var shouldUpdate = instance.shouldComponentUpdate(newProps, newState, newContext);
       stopPhaseTimer();
 
-      // Simulate an async bailout/interruption by invoking lifecycle twice.
-      if (debugRenderPhaseSideEffects) {
-        instance.shouldComponentUpdate(newProps, newState, newContext);
-      }
-
       {
-        warning(shouldUpdate !== undefined, '%s.shouldComponentUpdate(): Returned undefined instead of a ' + 'boolean value. Make sure to return true or false.', getComponentName(workInProgress) || 'Unknown');
+        warning(shouldUpdate !== undefined, '%s.shouldComponentUpdate(): Returned undefined instead of a ' + 'boolean value. Make sure to return true or false.', getComponentName(workInProgress) || 'Component');
       }
 
       return shouldUpdate;
     }
 
-    if (type.prototype && type.prototype.isPureReactComponent) {
+    if (ctor.prototype && ctor.prototype.isPureReactComponent) {
       return !shallowEqual(oldProps, newProps) || !shallowEqual(oldState, newState);
     }
 
@@ -16890,7 +17286,7 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
     var instance = workInProgress.stateNode;
     var type = workInProgress.type;
     {
-      var name = getComponentName(workInProgress);
+      var name = getComponentName(workInProgress) || 'Component';
       var renderPresent = instance.render;
 
       if (!renderPresent) {
@@ -16920,18 +17316,31 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
       warning(noComponentDidReceiveProps, '%s has a method called ' + 'componentDidReceiveProps(). But there is no such lifecycle method. ' + 'If you meant to update the state in response to changing props, ' + 'use componentWillReceiveProps(). If you meant to fetch data or ' + 'run side-effects or mutations after React has updated the UI, use componentDidUpdate().', name);
       var noComponentWillRecieveProps = typeof instance.componentWillRecieveProps !== 'function';
       warning(noComponentWillRecieveProps, '%s has a method called ' + 'componentWillRecieveProps(). Did you mean componentWillReceiveProps()?', name);
+      var noUnsafeComponentWillRecieveProps = typeof instance.UNSAFE_componentWillRecieveProps !== 'function';
+      warning(noUnsafeComponentWillRecieveProps, '%s has a method called ' + 'UNSAFE_componentWillRecieveProps(). Did you mean UNSAFE_componentWillReceiveProps()?', name);
       var hasMutatedProps = instance.props !== workInProgress.pendingProps;
       warning(instance.props === undefined || !hasMutatedProps, '%s(...): When calling super() in `%s`, make sure to pass ' + "up the same props that your component's constructor was passed.", name, name);
       var noInstanceDefaultProps = !instance.defaultProps;
       warning(noInstanceDefaultProps, 'Setting defaultProps as an instance property on %s is not supported and will be ignored.' + ' Instead, define defaultProps as a static property on %s.', name, name);
-    }
 
-    var state = instance.state;
-    if (state && (typeof state !== 'object' || isArray(state))) {
-      warning(false, '%s.state: must be set to an object or null', getComponentName(workInProgress));
-    }
-    if (typeof instance.getChildContext === 'function') {
-      warning(typeof workInProgress.type.childContextTypes === 'object', '%s.getChildContext(): childContextTypes must be defined in order to ' + 'use getChildContext().', getComponentName(workInProgress));
+      if (typeof instance.getSnapshotBeforeUpdate === 'function' && typeof instance.componentDidUpdate !== 'function' && typeof instance.componentDidUpdate !== 'function' && !didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate.has(type)) {
+        didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate.add(type);
+        warning(false, '%s: getSnapshotBeforeUpdate() should be used with componentDidUpdate(). ' + 'This component defines getSnapshotBeforeUpdate() only.', getComponentName(workInProgress));
+      }
+
+      var noInstanceGetDerivedStateFromProps = typeof instance.getDerivedStateFromProps !== 'function';
+      warning(noInstanceGetDerivedStateFromProps, '%s: getDerivedStateFromProps() is defined as an instance method ' + 'and will be ignored. Instead, declare it as a static method.', name);
+      var noInstanceGetDerivedStateFromCatch = typeof instance.getDerivedStateFromCatch !== 'function';
+      warning(noInstanceGetDerivedStateFromCatch, '%s: getDerivedStateFromCatch() is defined as an instance method ' + 'and will be ignored. Instead, declare it as a static method.', name);
+      var noStaticGetSnapshotBeforeUpdate = typeof type.getSnapshotBeforeUpdate !== 'function';
+      warning(noStaticGetSnapshotBeforeUpdate, '%s: getSnapshotBeforeUpdate() is defined as a static method ' + 'and will be ignored. Instead, declare it as an instance method.', name);
+      var _state = instance.state;
+      if (_state && (typeof _state !== 'object' || isArray(_state))) {
+        warning(false, '%s.state: must be set to an object or null', name);
+      }
+      if (typeof instance.getChildContext === 'function') {
+        warning(typeof type.childContextTypes === 'object', '%s.getChildContext(): childContextTypes must be defined in order to ' + 'use getChildContext().', name);
+      }
     }
   }
 
@@ -16955,9 +17364,69 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
     var unmaskedContext = getUnmaskedContext(workInProgress);
     var needsContext = isContextConsumer(workInProgress);
     var context = needsContext ? getMaskedContext(workInProgress, unmaskedContext) : emptyObject;
+
+    // Instantiate twice to help detect side-effects.
+    if (debugRenderPhaseSideEffects || debugRenderPhaseSideEffectsForStrictMode && workInProgress.mode & StrictMode) {
+      new ctor(props, context); // eslint-disable-line no-new
+    }
+
     var instance = new ctor(props, context);
+    var state = instance.state !== null && instance.state !== undefined ? instance.state : null;
     adoptClassInstance(workInProgress, instance);
 
+    {
+      if (typeof ctor.getDerivedStateFromProps === 'function' && state === null) {
+        var componentName = getComponentName(workInProgress) || 'Component';
+        if (!didWarnAboutUninitializedState.has(componentName)) {
+          didWarnAboutUninitializedState.add(componentName);
+          warning(false, '%s: Did not properly initialize state during construction. ' + 'Expected state to be an object, but it was %s.', componentName, instance.state === null ? 'null' : 'undefined');
+        }
+      }
+
+      // If new component APIs are defined, "unsafe" lifecycles won't be called.
+      // Warn about these lifecycles if they are present.
+      // Don't warn about react-lifecycles-compat polyfilled methods though.
+      if (typeof ctor.getDerivedStateFromProps === 'function' || typeof instance.getSnapshotBeforeUpdate === 'function') {
+        var foundWillMountName = null;
+        var foundWillReceivePropsName = null;
+        var foundWillUpdateName = null;
+        if (typeof instance.componentWillMount === 'function' && instance.componentWillMount.__suppressDeprecationWarning !== true) {
+          foundWillMountName = 'componentWillMount';
+        } else if (typeof instance.UNSAFE_componentWillMount === 'function') {
+          foundWillMountName = 'UNSAFE_componentWillMount';
+        }
+        if (typeof instance.componentWillReceiveProps === 'function' && instance.componentWillReceiveProps.__suppressDeprecationWarning !== true) {
+          foundWillReceivePropsName = 'componentWillReceiveProps';
+        } else if (typeof instance.UNSAFE_componentWillReceiveProps === 'function') {
+          foundWillReceivePropsName = 'UNSAFE_componentWillReceiveProps';
+        }
+        if (typeof instance.componentWillUpdate === 'function' && instance.componentWillUpdate.__suppressDeprecationWarning !== true) {
+          foundWillUpdateName = 'componentWillUpdate';
+        } else if (typeof instance.UNSAFE_componentWillUpdate === 'function') {
+          foundWillUpdateName = 'UNSAFE_componentWillUpdate';
+        }
+        if (foundWillMountName !== null || foundWillReceivePropsName !== null || foundWillUpdateName !== null) {
+          var _componentName = getComponentName(workInProgress) || 'Component';
+          var newApiName = typeof ctor.getDerivedStateFromProps === 'function' ? 'getDerivedStateFromProps()' : 'getSnapshotBeforeUpdate()';
+          if (!didWarnAboutLegacyLifecyclesAndDerivedState.has(_componentName)) {
+            didWarnAboutLegacyLifecyclesAndDerivedState.add(_componentName);
+            warning(false, 'Unsafe legacy lifecycles will not be called for components using new component APIs.\n\n' + '%s uses %s but also contains the following legacy lifecycles:%s%s%s\n\n' + 'The above lifecycles should be removed. Learn more about this warning here:\n' + 'https://fb.me/react-async-component-lifecycle-hooks', _componentName, newApiName, foundWillMountName !== null ? '\n  ' + foundWillMountName : '', foundWillReceivePropsName !== null ? '\n  ' + foundWillReceivePropsName : '', foundWillUpdateName !== null ? '\n  ' + foundWillUpdateName : '');
+          }
+        }
+      }
+    }
+
+    workInProgress.memoizedState = state;
+
+    var partialState = callGetDerivedStateFromProps(workInProgress, instance, props, state);
+
+    if (partialState !== null && partialState !== undefined) {
+      // Render-phase updates (like this) should not be added to the update queue,
+      // So that multiple render passes do not enqueue multiple updates.
+      // Instead, just synchronously merge the returned state into the instance.
+      workInProgress.memoizedState = _assign({}, workInProgress.memoizedState, partialState);
+    }
+
     // Cache unmasked context so we can avoid recreating masked context unless necessary.
     // ReactFiberContext usually updates this cache but can't for newly-created instances.
     if (needsContext) {
@@ -16970,47 +17439,76 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
   function callComponentWillMount(workInProgress, instance) {
     startPhaseTimer(workInProgress, 'componentWillMount');
     var oldState = instance.state;
-    instance.componentWillMount();
-    stopPhaseTimer();
 
-    // Simulate an async bailout/interruption by invoking lifecycle twice.
-    if (debugRenderPhaseSideEffects) {
+    if (typeof instance.componentWillMount === 'function') {
       instance.componentWillMount();
     }
+    if (typeof instance.UNSAFE_componentWillMount === 'function') {
+      instance.UNSAFE_componentWillMount();
+    }
+
+    stopPhaseTimer();
 
     if (oldState !== instance.state) {
       {
-        warning(false, '%s.componentWillMount(): Assigning directly to this.state is ' + "deprecated (except inside a component's " + 'constructor). Use setState instead.', getComponentName(workInProgress));
+        warning(false, '%s.componentWillMount(): Assigning directly to this.state is ' + "deprecated (except inside a component's " + 'constructor). Use setState instead.', getComponentName(workInProgress) || 'Component');
       }
       updater.enqueueReplaceState(instance, instance.state, null);
     }
   }
 
   function callComponentWillReceiveProps(workInProgress, instance, newProps, newContext) {
-    startPhaseTimer(workInProgress, 'componentWillReceiveProps');
     var oldState = instance.state;
-    instance.componentWillReceiveProps(newProps, newContext);
-    stopPhaseTimer();
-
-    // Simulate an async bailout/interruption by invoking lifecycle twice.
-    if (debugRenderPhaseSideEffects) {
+    startPhaseTimer(workInProgress, 'componentWillReceiveProps');
+    if (typeof instance.componentWillReceiveProps === 'function') {
       instance.componentWillReceiveProps(newProps, newContext);
     }
+    if (typeof instance.UNSAFE_componentWillReceiveProps === 'function') {
+      instance.UNSAFE_componentWillReceiveProps(newProps, newContext);
+    }
+    stopPhaseTimer();
 
     if (instance.state !== oldState) {
       {
         var componentName = getComponentName(workInProgress) || 'Component';
-        if (!didWarnAboutStateAssignmentForComponent[componentName]) {
+        if (!didWarnAboutStateAssignmentForComponent.has(componentName)) {
+          didWarnAboutStateAssignmentForComponent.add(componentName);
           warning(false, '%s.componentWillReceiveProps(): Assigning directly to ' + "this.state is deprecated (except inside a component's " + 'constructor). Use setState instead.', componentName);
-          didWarnAboutStateAssignmentForComponent[componentName] = true;
         }
       }
       updater.enqueueReplaceState(instance, instance.state, null);
     }
   }
 
+  function callGetDerivedStateFromProps(workInProgress, instance, nextProps, prevState) {
+    var type = workInProgress.type;
+
+
+    if (typeof type.getDerivedStateFromProps === 'function') {
+      if (debugRenderPhaseSideEffects || debugRenderPhaseSideEffectsForStrictMode && workInProgress.mode & StrictMode) {
+        // Invoke method an extra time to help detect side-effects.
+        type.getDerivedStateFromProps.call(null, nextProps, prevState);
+      }
+
+      var partialState = type.getDerivedStateFromProps.call(null, nextProps, prevState);
+
+      {
+        if (partialState === undefined) {
+          var componentName = getComponentName(workInProgress) || 'Component';
+          if (!didWarnAboutUndefinedDerivedState.has(componentName)) {
+            didWarnAboutUndefinedDerivedState.add(componentName);
+            warning(false, '%s.getDerivedStateFromProps(): A valid state object (or null) must be returned. ' + 'You have returned undefined.', componentName);
+          }
+        }
+      }
+
+      return partialState;
+    }
+  }
+
   // Invokes the mount life-cycles on a previously never rendered instance.
   function mountClassInstance(workInProgress, renderExpirationTime) {
+    var ctor = workInProgress.type;
     var current = workInProgress.alternate;
 
     {
@@ -17018,23 +17516,27 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
     }
 
     var instance = workInProgress.stateNode;
-    var state = instance.state || null;
-
     var props = workInProgress.pendingProps;
-    !props ? invariant(false, 'There must be pending props for an initial mount. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-
     var unmaskedContext = getUnmaskedContext(workInProgress);
 
     instance.props = props;
-    instance.state = workInProgress.memoizedState = state;
+    instance.state = workInProgress.memoizedState;
     instance.refs = emptyObject;
     instance.context = getMaskedContext(workInProgress, unmaskedContext);
 
-    if (enableAsyncSubtreeAPI && workInProgress.type != null && workInProgress.type.prototype != null && workInProgress.type.prototype.unstable_isAsyncReactComponent === true) {
-      workInProgress.internalContextTag |= AsyncUpdates;
+    {
+      if (workInProgress.mode & StrictMode) {
+        ReactStrictModeWarnings.recordUnsafeLifecycleWarnings(workInProgress, instance);
+      }
+
+      if (warnAboutDeprecatedLifecycles) {
+        ReactStrictModeWarnings.recordDeprecationWarnings(workInProgress, instance);
+      }
     }
 
-    if (typeof instance.componentWillMount === 'function') {
+    // In order to support react-lifecycles-compat polyfilled components,
+    // Unsafe lifecycles should not be invoked for components using the new APIs.
+    if (typeof ctor.getDerivedStateFromProps !== 'function' && typeof instance.getSnapshotBeforeUpdate !== 'function' && (typeof instance.UNSAFE_componentWillMount === 'function' || typeof instance.componentWillMount === 'function')) {
       callComponentWillMount(workInProgress, instance);
       // If we had additional state updates during this life-cycle, let's
       // process them now.
@@ -17048,146 +17550,217 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
     }
   }
 
-  // Called on a preexisting class instance. Returns false if a resumed render
-  // could be reused.
-  // function resumeMountClassInstance(
-  //   workInProgress: Fiber,
-  //   priorityLevel: PriorityLevel,
-  // ): boolean {
-  //   const instance = workInProgress.stateNode;
-  //   resetInputPointers(workInProgress, instance);
-
-  //   let newState = workInProgress.memoizedState;
-  //   let newProps = workInProgress.pendingProps;
-  //   if (!newProps) {
-  //     // If there isn't any new props, then we'll reuse the memoized props.
-  //     // This could be from already completed work.
-  //     newProps = workInProgress.memoizedProps;
-  //     invariant(
-  //       newProps != null,
-  //       'There should always be pending or memoized props. This error is ' +
-  //         'likely caused by a bug in React. Please file an issue.',
-  //     );
-  //   }
-  //   const newUnmaskedContext = getUnmaskedContext(workInProgress);
-  //   const newContext = getMaskedContext(workInProgress, newUnmaskedContext);
-
-  //   const oldContext = instance.context;
-  //   const oldProps = workInProgress.memoizedProps;
-
-  //   if (
-  //     typeof instance.componentWillReceiveProps === 'function' &&
-  //     (oldProps !== newProps || oldContext !== newContext)
-  //   ) {
-  //     callComponentWillReceiveProps(
-  //       workInProgress,
-  //       instance,
-  //       newProps,
-  //       newContext,
-  //     );
-  //   }
-
-  //   // Process the update queue before calling shouldComponentUpdate
-  //   const updateQueue = workInProgress.updateQueue;
-  //   if (updateQueue !== null) {
-  //     newState = processUpdateQueue(
-  //       workInProgress,
-  //       updateQueue,
-  //       instance,
-  //       newState,
-  //       newProps,
-  //       priorityLevel,
-  //     );
-  //   }
-
-  //   // TODO: Should we deal with a setState that happened after the last
-  //   // componentWillMount and before this componentWillMount? Probably
-  //   // unsupported anyway.
-
-  //   if (
-  //     !checkShouldComponentUpdate(
-  //       workInProgress,
-  //       workInProgress.memoizedProps,
-  //       newProps,
-  //       workInProgress.memoizedState,
-  //       newState,
-  //       newContext,
-  //     )
-  //   ) {
-  //     // Update the existing instance's state, props, and context pointers even
-  //     // though we're bailing out.
-  //     instance.props = newProps;
-  //     instance.state = newState;
-  //     instance.context = newContext;
-  //     return false;
-  //   }
-
-  //   // Update the input pointers now so that they are correct when we call
-  //   // componentWillMount
-  //   instance.props = newProps;
-  //   instance.state = newState;
-  //   instance.context = newContext;
-
-  //   if (typeof instance.componentWillMount === 'function') {
-  //     callComponentWillMount(workInProgress, instance);
-  //     // componentWillMount may have called setState. Process the update queue.
-  //     const newUpdateQueue = workInProgress.updateQueue;
-  //     if (newUpdateQueue !== null) {
-  //       newState = processUpdateQueue(
-  //         workInProgress,
-  //         newUpdateQueue,
-  //         instance,
-  //         newState,
-  //         newProps,
-  //         priorityLevel,
-  //       );
-  //     }
-  //   }
-
-  //   if (typeof instance.componentDidMount === 'function') {
-  //     workInProgress.effectTag |= Update;
-  //   }
-
-  //   instance.state = newState;
-
-  //   return true;
-  // }
-
-  // Invokes the update life-cycles and returns false if it shouldn't rerender.
-  function updateClassInstance(current, workInProgress, renderExpirationTime) {
+  function resumeMountClassInstance(workInProgress, renderExpirationTime) {
+    var ctor = workInProgress.type;
     var instance = workInProgress.stateNode;
     resetInputPointers(workInProgress, instance);
 
     var oldProps = workInProgress.memoizedProps;
     var newProps = workInProgress.pendingProps;
-    if (!newProps) {
-      // If there aren't any new props, then we'll reuse the memoized props.
-      // This could be from already completed work.
-      newProps = oldProps;
-      !(newProps != null) ? invariant(false, 'There should always be pending or memoized props. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-    }
     var oldContext = instance.context;
     var newUnmaskedContext = getUnmaskedContext(workInProgress);
     var newContext = getMaskedContext(workInProgress, newUnmaskedContext);
 
+    var hasNewLifecycles = typeof ctor.getDerivedStateFromProps === 'function' || typeof instance.getSnapshotBeforeUpdate === 'function';
+
     // Note: During these life-cycles, instance.props/instance.state are what
     // ever the previously attempted to render - not the "current". However,
     // during componentDidUpdate we pass the "current" props.
 
-    if (typeof instance.componentWillReceiveProps === 'function' && (oldProps !== newProps || oldContext !== newContext)) {
-      callComponentWillReceiveProps(workInProgress, instance, newProps, newContext);
+    // In order to support react-lifecycles-compat polyfilled components,
+    // Unsafe lifecycles should not be invoked for components using the new APIs.
+    if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillReceiveProps === 'function' || typeof instance.componentWillReceiveProps === 'function')) {
+      if (oldProps !== newProps || oldContext !== newContext) {
+        callComponentWillReceiveProps(workInProgress, instance, newProps, newContext);
+      }
     }
 
     // Compute the next state using the memoized state and the update queue.
     var oldState = workInProgress.memoizedState;
     // TODO: Previous state can be null.
     var newState = void 0;
+    var derivedStateFromCatch = void 0;
     if (workInProgress.updateQueue !== null) {
-      newState = processUpdateQueue(current, workInProgress, workInProgress.updateQueue, instance, newProps, renderExpirationTime);
+      newState = processUpdateQueue(null, workInProgress, workInProgress.updateQueue, instance, newProps, renderExpirationTime);
+
+      var updateQueue = workInProgress.updateQueue;
+      if (updateQueue !== null && updateQueue.capturedValues !== null && enableGetDerivedStateFromCatch && typeof ctor.getDerivedStateFromCatch === 'function') {
+        var capturedValues = updateQueue.capturedValues;
+        // Don't remove these from the update queue yet. We need them in
+        // finishClassComponent. Do the reset there.
+        // TODO: This is awkward. Refactor class components.
+        // updateQueue.capturedValues = null;
+        derivedStateFromCatch = callGetDerivedStateFromCatch(ctor, capturedValues);
+      }
     } else {
       newState = oldState;
     }
 
+    var derivedStateFromProps = void 0;
+    if (oldProps !== newProps) {
+      // The prevState parameter should be the partially updated state.
+      // Otherwise, spreading state in return values could override updates.
+      derivedStateFromProps = callGetDerivedStateFromProps(workInProgress, instance, newProps, newState);
+    }
+
+    if (derivedStateFromProps !== null && derivedStateFromProps !== undefined) {
+      // Render-phase updates (like this) should not be added to the update queue,
+      // So that multiple render passes do not enqueue multiple updates.
+      // Instead, just synchronously merge the returned state into the instance.
+      newState = newState === null || newState === undefined ? derivedStateFromProps : _assign({}, newState, derivedStateFromProps);
+
+      // Update the base state of the update queue.
+      // FIXME: This is getting ridiculous. Refactor plz!
+      var _updateQueue = workInProgress.updateQueue;
+      if (_updateQueue !== null) {
+        _updateQueue.baseState = _assign({}, _updateQueue.baseState, derivedStateFromProps);
+      }
+    }
+    if (derivedStateFromCatch !== null && derivedStateFromCatch !== undefined) {
+      // Render-phase updates (like this) should not be added to the update queue,
+      // So that multiple render passes do not enqueue multiple updates.
+      // Instead, just synchronously merge the returned state into the instance.
+      newState = newState === null || newState === undefined ? derivedStateFromCatch : _assign({}, newState, derivedStateFromCatch);
+
+      // Update the base state of the update queue.
+      // FIXME: This is getting ridiculous. Refactor plz!
+      var _updateQueue2 = workInProgress.updateQueue;
+      if (_updateQueue2 !== null) {
+        _updateQueue2.baseState = _assign({}, _updateQueue2.baseState, derivedStateFromCatch);
+      }
+    }
+
+    if (oldProps === newProps && oldState === newState && !hasContextChanged() && !(workInProgress.updateQueue !== null && workInProgress.updateQueue.hasForceUpdate)) {
+      // If an update was already in progress, we should schedule an Update
+      // effect even though we're bailing out, so that cWU/cDU are called.
+      if (typeof instance.componentDidMount === 'function') {
+        workInProgress.effectTag |= Update;
+      }
+      return false;
+    }
+
+    var shouldUpdate = checkShouldComponentUpdate(workInProgress, oldProps, newProps, oldState, newState, newContext);
+
+    if (shouldUpdate) {
+      // In order to support react-lifecycles-compat polyfilled components,
+      // Unsafe lifecycles should not be invoked for components using the new APIs.
+      if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillMount === 'function' || typeof instance.componentWillMount === 'function')) {
+        startPhaseTimer(workInProgress, 'componentWillMount');
+        if (typeof instance.componentWillMount === 'function') {
+          instance.componentWillMount();
+        }
+        if (typeof instance.UNSAFE_componentWillMount === 'function') {
+          instance.UNSAFE_componentWillMount();
+        }
+        stopPhaseTimer();
+      }
+      if (typeof instance.componentDidMount === 'function') {
+        workInProgress.effectTag |= Update;
+      }
+    } else {
+      // If an update was already in progress, we should schedule an Update
+      // effect even though we're bailing out, so that cWU/cDU are called.
+      if (typeof instance.componentDidMount === 'function') {
+        workInProgress.effectTag |= Update;
+      }
+
+      // If shouldComponentUpdate returned false, we should still update the
+      // memoized props/state to indicate that this work can be reused.
+      memoizeProps(workInProgress, newProps);
+      memoizeState(workInProgress, newState);
+    }
+
+    // Update the existing instance's state, props, and context pointers even
+    // if shouldComponentUpdate returns false.
+    instance.props = newProps;
+    instance.state = newState;
+    instance.context = newContext;
+
+    return shouldUpdate;
+  }
+
+  // Invokes the update life-cycles and returns false if it shouldn't rerender.
+  function updateClassInstance(current, workInProgress, renderExpirationTime) {
+    var ctor = workInProgress.type;
+    var instance = workInProgress.stateNode;
+    resetInputPointers(workInProgress, instance);
+
+    var oldProps = workInProgress.memoizedProps;
+    var newProps = workInProgress.pendingProps;
+    var oldContext = instance.context;
+    var newUnmaskedContext = getUnmaskedContext(workInProgress);
+    var newContext = getMaskedContext(workInProgress, newUnmaskedContext);
+
+    var hasNewLifecycles = typeof ctor.getDerivedStateFromProps === 'function' || typeof instance.getSnapshotBeforeUpdate === 'function';
+
+    // Note: During these life-cycles, instance.props/instance.state are what
+    // ever the previously attempted to render - not the "current". However,
+    // during componentDidUpdate we pass the "current" props.
+
+    // In order to support react-lifecycles-compat polyfilled components,
+    // Unsafe lifecycles should not be invoked for components using the new APIs.
+    if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillReceiveProps === 'function' || typeof instance.componentWillReceiveProps === 'function')) {
+      if (oldProps !== newProps || oldContext !== newContext) {
+        callComponentWillReceiveProps(workInProgress, instance, newProps, newContext);
+      }
+    }
+
+    // Compute the next state using the memoized state and the update queue.
+    var oldState = workInProgress.memoizedState;
+    // TODO: Previous state can be null.
+    var newState = void 0;
+    var derivedStateFromCatch = void 0;
+
+    if (workInProgress.updateQueue !== null) {
+      newState = processUpdateQueue(current, workInProgress, workInProgress.updateQueue, instance, newProps, renderExpirationTime);
+
+      var updateQueue = workInProgress.updateQueue;
+      if (updateQueue !== null && updateQueue.capturedValues !== null && enableGetDerivedStateFromCatch && typeof ctor.getDerivedStateFromCatch === 'function') {
+        var capturedValues = updateQueue.capturedValues;
+        // Don't remove these from the update queue yet. We need them in
+        // finishClassComponent. Do the reset there.
+        // TODO: This is awkward. Refactor class components.
+        // updateQueue.capturedValues = null;
+        derivedStateFromCatch = callGetDerivedStateFromCatch(ctor, capturedValues);
+      }
+    } else {
+      newState = oldState;
+    }
+
+    var derivedStateFromProps = void 0;
+    if (oldProps !== newProps) {
+      // The prevState parameter should be the partially updated state.
+      // Otherwise, spreading state in return values could override updates.
+      derivedStateFromProps = callGetDerivedStateFromProps(workInProgress, instance, newProps, newState);
+    }
+
+    if (derivedStateFromProps !== null && derivedStateFromProps !== undefined) {
+      // Render-phase updates (like this) should not be added to the update queue,
+      // So that multiple render passes do not enqueue multiple updates.
+      // Instead, just synchronously merge the returned state into the instance.
+      newState = newState === null || newState === undefined ? derivedStateFromProps : _assign({}, newState, derivedStateFromProps);
+
+      // Update the base state of the update queue.
+      // FIXME: This is getting ridiculous. Refactor plz!
+      var _updateQueue3 = workInProgress.updateQueue;
+      if (_updateQueue3 !== null) {
+        _updateQueue3.baseState = _assign({}, _updateQueue3.baseState, derivedStateFromProps);
+      }
+    }
+    if (derivedStateFromCatch !== null && derivedStateFromCatch !== undefined) {
+      // Render-phase updates (like this) should not be added to the update queue,
+      // So that multiple render passes do not enqueue multiple updates.
+      // Instead, just synchronously merge the returned state into the instance.
+      newState = newState === null || newState === undefined ? derivedStateFromCatch : _assign({}, newState, derivedStateFromCatch);
+
+      // Update the base state of the update queue.
+      // FIXME: This is getting ridiculous. Refactor plz!
+      var _updateQueue4 = workInProgress.updateQueue;
+      if (_updateQueue4 !== null) {
+        _updateQueue4.baseState = _assign({}, _updateQueue4.baseState, derivedStateFromCatch);
+      }
+    }
+
     if (oldProps === newProps && oldState === newState && !hasContextChanged() && !(workInProgress.updateQueue !== null && workInProgress.updateQueue.hasForceUpdate)) {
       // If an update was already in progress, we should schedule an Update
       // effect even though we're bailing out, so that cWU/cDU are called.
@@ -17196,25 +17769,35 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
           workInProgress.effectTag |= Update;
         }
       }
+      if (typeof instance.getSnapshotBeforeUpdate === 'function') {
+        if (oldProps !== current.memoizedProps || oldState !== current.memoizedState) {
+          workInProgress.effectTag |= Snapshot;
+        }
+      }
       return false;
     }
 
     var shouldUpdate = checkShouldComponentUpdate(workInProgress, oldProps, newProps, oldState, newState, newContext);
 
     if (shouldUpdate) {
-      if (typeof instance.componentWillUpdate === 'function') {
+      // In order to support react-lifecycles-compat polyfilled components,
+      // Unsafe lifecycles should not be invoked for components using the new APIs.
+      if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillUpdate === 'function' || typeof instance.componentWillUpdate === 'function')) {
         startPhaseTimer(workInProgress, 'componentWillUpdate');
-        instance.componentWillUpdate(newProps, newState, newContext);
-        stopPhaseTimer();
-
-        // Simulate an async bailout/interruption by invoking lifecycle twice.
-        if (debugRenderPhaseSideEffects) {
+        if (typeof instance.componentWillUpdate === 'function') {
           instance.componentWillUpdate(newProps, newState, newContext);
         }
+        if (typeof instance.UNSAFE_componentWillUpdate === 'function') {
+          instance.UNSAFE_componentWillUpdate(newProps, newState, newContext);
+        }
+        stopPhaseTimer();
       }
       if (typeof instance.componentDidUpdate === 'function') {
         workInProgress.effectTag |= Update;
       }
+      if (typeof instance.getSnapshotBeforeUpdate === 'function') {
+        workInProgress.effectTag |= Snapshot;
+      }
     } else {
       // If an update was already in progress, we should schedule an Update
       // effect even though we're bailing out, so that cWU/cDU are called.
@@ -17223,6 +17806,11 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
           workInProgress.effectTag |= Update;
         }
       }
+      if (typeof instance.getSnapshotBeforeUpdate === 'function') {
+        if (oldProps !== current.memoizedProps || oldState !== current.memoizedState) {
+          workInProgress.effectTag |= Snapshot;
+        }
+      }
 
       // If shouldComponentUpdate returned false, we should still update the
       // memoized props/state to indicate that this work can be reused.
@@ -17241,51 +17829,36 @@ var ReactFiberClassComponent = function (scheduleWork, computeExpirationForFiber
 
   return {
     adoptClassInstance: adoptClassInstance,
+    callGetDerivedStateFromProps: callGetDerivedStateFromProps,
     constructClassInstance: constructClassInstance,
     mountClassInstance: mountClassInstance,
-    // resumeMountClassInstance,
+    resumeMountClassInstance: resumeMountClassInstance,
     updateClassInstance: updateClassInstance
   };
 };
 
-// The Symbol used to tag the ReactElement-like types. If there is no native Symbol
-// nor polyfill, then a plain number is used for performance.
-var hasSymbol = typeof Symbol === 'function' && Symbol['for'];
+var getCurrentFiberStackAddendum$2 = ReactDebugCurrentFiber.getCurrentFiberStackAddendum;
 
-var REACT_ELEMENT_TYPE = hasSymbol ? Symbol['for']('react.element') : 0xeac7;
-var REACT_CALL_TYPE = hasSymbol ? Symbol['for']('react.call') : 0xeac8;
-var REACT_RETURN_TYPE = hasSymbol ? Symbol['for']('react.return') : 0xeac9;
-var REACT_PORTAL_TYPE = hasSymbol ? Symbol['for']('react.portal') : 0xeaca;
-var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol['for']('react.fragment') : 0xeacb;
-
-var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
-var FAUX_ITERATOR_SYMBOL = '@@iterator';
-
-function getIteratorFn(maybeIterable) {
-  if (maybeIterable === null || typeof maybeIterable === 'undefined') {
-    return null;
-  }
-  var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];
-  if (typeof maybeIterator === 'function') {
-    return maybeIterator;
-  }
-  return null;
-}
-
-var getCurrentFiberStackAddendum$1 = ReactDebugCurrentFiber.getCurrentFiberStackAddendum;
 
+var didWarnAboutMaps = void 0;
+var didWarnAboutStringRefInStrictMode = void 0;
+var ownerHasKeyUseWarning = void 0;
+var ownerHasFunctionTypeWarning = void 0;
+var warnForMissingKey = function (child) {};
 
 {
-  var didWarnAboutMaps = false;
+  didWarnAboutMaps = false;
+  didWarnAboutStringRefInStrictMode = {};
+
   /**
    * Warn if there's no key explicitly set on dynamic arrays of children or
    * object keys are not valid. This allows us to keep track of children between
    * updates.
    */
-  var ownerHasKeyUseWarning = {};
-  var ownerHasFunctionTypeWarning = {};
+  ownerHasKeyUseWarning = {};
+  ownerHasFunctionTypeWarning = {};
 
-  var warnForMissingKey = function (child) {
+  warnForMissingKey = function (child) {
     if (child === null || typeof child !== 'object') {
       return;
     }
@@ -17295,21 +17868,31 @@ var getCurrentFiberStackAddendum$1 = ReactDebugCurrentFiber.getCurrentFiberStack
     !(typeof child._store === 'object') ? invariant(false, 'React Component in warnForMissingKey should have a _store. This error is likely caused by a bug in React. Please file an issue.') : void 0;
     child._store.validated = true;
 
-    var currentComponentErrorInfo = 'Each child in an array or iterator should have a unique ' + '"key" prop. See https://fb.me/react-warning-keys for ' + 'more information.' + (getCurrentFiberStackAddendum$1() || '');
+    var currentComponentErrorInfo = 'Each child in an array or iterator should have a unique ' + '"key" prop. See https://fb.me/react-warning-keys for ' + 'more information.' + (getCurrentFiberStackAddendum$2() || '');
     if (ownerHasKeyUseWarning[currentComponentErrorInfo]) {
       return;
     }
     ownerHasKeyUseWarning[currentComponentErrorInfo] = true;
 
-    warning(false, 'Each child in an array or iterator should have a unique ' + '"key" prop. See https://fb.me/react-warning-keys for ' + 'more information.%s', getCurrentFiberStackAddendum$1());
+    warning(false, 'Each child in an array or iterator should have a unique ' + '"key" prop. See https://fb.me/react-warning-keys for ' + 'more information.%s', getCurrentFiberStackAddendum$2());
   };
 }
 
 var isArray$1 = Array.isArray;
 
-function coerceRef(current, element) {
+function coerceRef(returnFiber, current, element) {
   var mixedRef = element.ref;
-  if (mixedRef !== null && typeof mixedRef !== 'function') {
+  if (mixedRef !== null && typeof mixedRef !== 'function' && typeof mixedRef !== 'object') {
+    {
+      if (returnFiber.mode & StrictMode) {
+        var componentName = getComponentName(returnFiber) || 'Component';
+        if (!didWarnAboutStringRefInStrictMode[componentName]) {
+          warning(false, 'A string ref, "%s", has been found within a strict mode tree. ' + 'String refs are a source of potential bugs and should be avoided. ' + 'We recommend using createRef() instead.' + '\n%s' + '\n\nLearn more about using refs safely here:' + '\nhttps://fb.me/react-strict-mode-string-ref', mixedRef, getStackAddendumByWorkInProgressFiber(returnFiber));
+          didWarnAboutStringRefInStrictMode[componentName] = true;
+        }
+      }
+    }
+
     if (element._owner) {
       var owner = element._owner;
       var inst = void 0;
@@ -17336,7 +17919,7 @@ function coerceRef(current, element) {
       return ref;
     } else {
       !(typeof mixedRef === 'string') ? invariant(false, 'Expected ref to be a function or a string.') : void 0;
-      !element._owner ? invariant(false, 'Element ref was specified as a string (%s) but no owner was set. You may have multiple copies of React loaded. (details: https://fb.me/react-refs-must-have-owner).', mixedRef) : void 0;
+      !element._owner ? invariant(false, 'Element ref was specified as a string (%s) but no owner was set. This could happen for one of the following reasons:\n1. You may be adding a ref to a functional component\n2. You may be adding a ref to a component that was not created inside a component\'s render method\n3. You have multiple copies of React loaded\nSee https://fb.me/react-refs-must-have-owner for more information.', mixedRef) : void 0;
     }
   }
   return mixedRef;
@@ -17346,21 +17929,21 @@ function throwOnInvalidObjectType(returnFiber, newChild) {
   if (returnFiber.type !== 'textarea') {
     var addendum = '';
     {
-      addendum = ' If you meant to render a collection of children, use an array ' + 'instead.' + (getCurrentFiberStackAddendum$1() || '');
+      addendum = ' If you meant to render a collection of children, use an array ' + 'instead.' + (getCurrentFiberStackAddendum$2() || '');
     }
     invariant(false, 'Objects are not valid as a React child (found: %s).%s', Object.prototype.toString.call(newChild) === '[object Object]' ? 'object with keys {' + Object.keys(newChild).join(', ') + '}' : newChild, addendum);
   }
 }
 
 function warnOnFunctionType() {
-  var currentComponentErrorInfo = 'Functions are not valid as a React child. This may happen if ' + 'you return a Component instead of <Component /> from render. ' + 'Or maybe you meant to call this function rather than return it.' + (getCurrentFiberStackAddendum$1() || '');
+  var currentComponentErrorInfo = 'Functions are not valid as a React child. This may happen if ' + 'you return a Component instead of <Component /> from render. ' + 'Or maybe you meant to call this function rather than return it.' + (getCurrentFiberStackAddendum$2() || '');
 
   if (ownerHasFunctionTypeWarning[currentComponentErrorInfo]) {
     return;
   }
   ownerHasFunctionTypeWarning[currentComponentErrorInfo] = true;
 
-  warning(false, 'Functions are not valid as a React child. This may happen if ' + 'you return a Component instead of <Component /> from render. ' + 'Or maybe you meant to call this function rather than return it.%s', getCurrentFiberStackAddendum$1() || '');
+  warning(false, 'Functions are not valid as a React child. This may happen if ' + 'you return a Component instead of <Component /> from render. ' + 'Or maybe you meant to call this function rather than return it.%s', getCurrentFiberStackAddendum$2() || '');
 }
 
 // This wrapper function exists because I expect to clone the code in each path
@@ -17467,7 +18050,7 @@ function ChildReconciler(shouldTrackSideEffects) {
   function updateTextNode(returnFiber, current, textContent, expirationTime) {
     if (current === null || current.tag !== HostText) {
       // Insert
-      var created = createFiberFromText(textContent, returnFiber.internalContextTag, expirationTime);
+      var created = createFiberFromText(textContent, returnFiber.mode, expirationTime);
       created['return'] = returnFiber;
       return created;
     } else {
@@ -17482,7 +18065,7 @@ function ChildReconciler(shouldTrackSideEffects) {
     if (current !== null && current.type === element.type) {
       // Move based on index
       var existing = useFiber(current, element.props, expirationTime);
-      existing.ref = coerceRef(current, element);
+      existing.ref = coerceRef(returnFiber, current, element);
       existing['return'] = returnFiber;
       {
         existing._debugSource = element._source;
@@ -17491,48 +18074,17 @@ function ChildReconciler(shouldTrackSideEffects) {
       return existing;
     } else {
       // Insert
-      var created = createFiberFromElement(element, returnFiber.internalContextTag, expirationTime);
-      created.ref = coerceRef(current, element);
+      var created = createFiberFromElement(element, returnFiber.mode, expirationTime);
+      created.ref = coerceRef(returnFiber, current, element);
       created['return'] = returnFiber;
       return created;
     }
   }
 
-  function updateCall(returnFiber, current, call, expirationTime) {
-    // TODO: Should this also compare handler to determine whether to reuse?
-    if (current === null || current.tag !== CallComponent) {
-      // Insert
-      var created = createFiberFromCall(call, returnFiber.internalContextTag, expirationTime);
-      created['return'] = returnFiber;
-      return created;
-    } else {
-      // Move based on index
-      var existing = useFiber(current, call, expirationTime);
-      existing['return'] = returnFiber;
-      return existing;
-    }
-  }
-
-  function updateReturn(returnFiber, current, returnNode, expirationTime) {
-    if (current === null || current.tag !== ReturnComponent) {
-      // Insert
-      var created = createFiberFromReturn(returnNode, returnFiber.internalContextTag, expirationTime);
-      created.type = returnNode.value;
-      created['return'] = returnFiber;
-      return created;
-    } else {
-      // Move based on index
-      var existing = useFiber(current, null, expirationTime);
-      existing.type = returnNode.value;
-      existing['return'] = returnFiber;
-      return existing;
-    }
-  }
-
   function updatePortal(returnFiber, current, portal, expirationTime) {
     if (current === null || current.tag !== HostPortal || current.stateNode.containerInfo !== portal.containerInfo || current.stateNode.implementation !== portal.implementation) {
       // Insert
-      var created = createFiberFromPortal(portal, returnFiber.internalContextTag, expirationTime);
+      var created = createFiberFromPortal(portal, returnFiber.mode, expirationTime);
       created['return'] = returnFiber;
       return created;
     } else {
@@ -17546,7 +18098,7 @@ function ChildReconciler(shouldTrackSideEffects) {
   function updateFragment(returnFiber, current, fragment, expirationTime, key) {
     if (current === null || current.tag !== Fragment) {
       // Insert
-      var created = createFiberFromFragment(fragment, returnFiber.internalContextTag, expirationTime, key);
+      var created = createFiberFromFragment(fragment, returnFiber.mode, expirationTime, key);
       created['return'] = returnFiber;
       return created;
     } else {
@@ -17562,7 +18114,7 @@ function ChildReconciler(shouldTrackSideEffects) {
       // Text nodes don't have keys. If the previous node is implicitly keyed
       // we can continue to replace it without aborting even if it is not a text
       // node.
-      var created = createFiberFromText('' + newChild, returnFiber.internalContextTag, expirationTime);
+      var created = createFiberFromText('' + newChild, returnFiber.mode, expirationTime);
       created['return'] = returnFiber;
       return created;
     }
@@ -17571,45 +18123,23 @@ function ChildReconciler(shouldTrackSideEffects) {
       switch (newChild.$$typeof) {
         case REACT_ELEMENT_TYPE:
           {
-            if (newChild.type === REACT_FRAGMENT_TYPE) {
-              var _created = createFiberFromFragment(newChild.props.children, returnFiber.internalContextTag, expirationTime, newChild.key);
-              _created['return'] = returnFiber;
-              return _created;
-            } else {
-              var _created2 = createFiberFromElement(newChild, returnFiber.internalContextTag, expirationTime);
-              _created2.ref = coerceRef(null, newChild);
-              _created2['return'] = returnFiber;
-              return _created2;
-            }
+            var _created = createFiberFromElement(newChild, returnFiber.mode, expirationTime);
+            _created.ref = coerceRef(returnFiber, null, newChild);
+            _created['return'] = returnFiber;
+            return _created;
           }
-
-        case REACT_CALL_TYPE:
-          {
-            var _created3 = createFiberFromCall(newChild, returnFiber.internalContextTag, expirationTime);
-            _created3['return'] = returnFiber;
-            return _created3;
-          }
-
-        case REACT_RETURN_TYPE:
-          {
-            var _created4 = createFiberFromReturn(newChild, returnFiber.internalContextTag, expirationTime);
-            _created4.type = newChild.value;
-            _created4['return'] = returnFiber;
-            return _created4;
-          }
-
         case REACT_PORTAL_TYPE:
           {
-            var _created5 = createFiberFromPortal(newChild, returnFiber.internalContextTag, expirationTime);
-            _created5['return'] = returnFiber;
-            return _created5;
+            var _created2 = createFiberFromPortal(newChild, returnFiber.mode, expirationTime);
+            _created2['return'] = returnFiber;
+            return _created2;
           }
       }
 
       if (isArray$1(newChild) || getIteratorFn(newChild)) {
-        var _created6 = createFiberFromFragment(newChild, returnFiber.internalContextTag, expirationTime, null);
-        _created6['return'] = returnFiber;
-        return _created6;
+        var _created3 = createFiberFromFragment(newChild, returnFiber.mode, expirationTime, null);
+        _created3['return'] = returnFiber;
+        return _created3;
       }
 
       throwOnInvalidObjectType(returnFiber, newChild);
@@ -17652,28 +18182,6 @@ function ChildReconciler(shouldTrackSideEffects) {
               return null;
             }
           }
-
-        case REACT_CALL_TYPE:
-          {
-            if (newChild.key === key) {
-              return updateCall(returnFiber, oldFiber, newChild, expirationTime);
-            } else {
-              return null;
-            }
-          }
-
-        case REACT_RETURN_TYPE:
-          {
-            // Returns don't have keys. If the previous node is implicitly keyed
-            // we can continue to replace it without aborting even if it is not a
-            // yield.
-            if (key === null) {
-              return updateReturn(returnFiber, oldFiber, newChild, expirationTime);
-            } else {
-              return null;
-            }
-          }
-
         case REACT_PORTAL_TYPE:
           {
             if (newChild.key === key) {
@@ -17722,31 +18230,16 @@ function ChildReconciler(shouldTrackSideEffects) {
             }
             return updateElement(returnFiber, _matchedFiber, newChild, expirationTime);
           }
-
-        case REACT_CALL_TYPE:
-          {
-            var _matchedFiber2 = existingChildren.get(newChild.key === null ? newIdx : newChild.key) || null;
-            return updateCall(returnFiber, _matchedFiber2, newChild, expirationTime);
-          }
-
-        case REACT_RETURN_TYPE:
-          {
-            // Returns don't have keys, so we neither have to check the old nor
-            // new node for the key. If both are returns, they match.
-            var _matchedFiber3 = existingChildren.get(newIdx) || null;
-            return updateReturn(returnFiber, _matchedFiber3, newChild, expirationTime);
-          }
-
         case REACT_PORTAL_TYPE:
           {
-            var _matchedFiber4 = existingChildren.get(newChild.key === null ? newIdx : newChild.key) || null;
-            return updatePortal(returnFiber, _matchedFiber4, newChild, expirationTime);
+            var _matchedFiber2 = existingChildren.get(newChild.key === null ? newIdx : newChild.key) || null;
+            return updatePortal(returnFiber, _matchedFiber2, newChild, expirationTime);
           }
       }
 
       if (isArray$1(newChild) || getIteratorFn(newChild)) {
-        var _matchedFiber5 = existingChildren.get(newIdx) || null;
-        return updateFragment(returnFiber, _matchedFiber5, newChild, expirationTime, null);
+        var _matchedFiber3 = existingChildren.get(newIdx) || null;
+        return updateFragment(returnFiber, _matchedFiber3, newChild, expirationTime, null);
       }
 
       throwOnInvalidObjectType(returnFiber, newChild);
@@ -17771,7 +18264,6 @@ function ChildReconciler(shouldTrackSideEffects) {
       }
       switch (child.$$typeof) {
         case REACT_ELEMENT_TYPE:
-        case REACT_CALL_TYPE:
         case REACT_PORTAL_TYPE:
           warnForMissingKey(child);
           var key = child.key;
@@ -17787,7 +18279,7 @@ function ChildReconciler(shouldTrackSideEffects) {
             knownKeys.add(key);
             break;
           }
-          warning(false, 'Encountered two children with the same key, `%s`. ' + 'Keys should be unique so that components maintain their identity ' + 'across updates. Non-unique keys may cause children to be ' + 'duplicated and/or omitted — the behavior is unsupported and ' + 'could change in a future version.%s', key, getCurrentFiberStackAddendum$1());
+          warning(false, 'Encountered two children with the same key, `%s`. ' + 'Keys should be unique so that components maintain their identity ' + 'across updates. Non-unique keys may cause children to be ' + 'duplicated and/or omitted — the behavior is unsupported and ' + 'could change in a future version.%s', key, getCurrentFiberStackAddendum$2());
           break;
         default:
           break;
@@ -17947,7 +18439,7 @@ function ChildReconciler(shouldTrackSideEffects) {
       if (typeof newChildrenIterable.entries === 'function') {
         var possibleMap = newChildrenIterable;
         if (possibleMap.entries === iteratorFn) {
-          warning(didWarnAboutMaps, 'Using Maps as children is unsupported and will likely yield ' + 'unexpected results. Convert it to a sequence/iterable of keyed ' + 'ReactElements instead.%s', getCurrentFiberStackAddendum$1());
+          warning(didWarnAboutMaps, 'Using Maps as children is unsupported and will likely yield ' + 'unexpected results. Convert it to a sequence/iterable of keyed ' + 'ReactElements instead.%s', getCurrentFiberStackAddendum$2());
           didWarnAboutMaps = true;
         }
       }
@@ -18094,7 +18586,7 @@ function ChildReconciler(shouldTrackSideEffects) {
     // The existing first child is not a text node so we need to create one
     // and delete the existing ones.
     deleteRemainingChildren(returnFiber, currentFirstChild);
-    var created = createFiberFromText(textContent, returnFiber.internalContextTag, expirationTime);
+    var created = createFiberFromText(textContent, returnFiber.mode, expirationTime);
     created['return'] = returnFiber;
     return created;
   }
@@ -18109,7 +18601,7 @@ function ChildReconciler(shouldTrackSideEffects) {
         if (child.tag === Fragment ? element.type === REACT_FRAGMENT_TYPE : child.type === element.type) {
           deleteRemainingChildren(returnFiber, child.sibling);
           var existing = useFiber(child, element.type === REACT_FRAGMENT_TYPE ? element.props.children : element.props, expirationTime);
-          existing.ref = coerceRef(child, element);
+          existing.ref = coerceRef(returnFiber, child, element);
           existing['return'] = returnFiber;
           {
             existing._debugSource = element._source;
@@ -18127,65 +18619,17 @@ function ChildReconciler(shouldTrackSideEffects) {
     }
 
     if (element.type === REACT_FRAGMENT_TYPE) {
-      var created = createFiberFromFragment(element.props.children, returnFiber.internalContextTag, expirationTime, element.key);
+      var created = createFiberFromFragment(element.props.children, returnFiber.mode, expirationTime, element.key);
       created['return'] = returnFiber;
       return created;
     } else {
-      var _created7 = createFiberFromElement(element, returnFiber.internalContextTag, expirationTime);
-      _created7.ref = coerceRef(currentFirstChild, element);
-      _created7['return'] = returnFiber;
-      return _created7;
+      var _created4 = createFiberFromElement(element, returnFiber.mode, expirationTime);
+      _created4.ref = coerceRef(returnFiber, currentFirstChild, element);
+      _created4['return'] = returnFiber;
+      return _created4;
     }
   }
 
-  function reconcileSingleCall(returnFiber, currentFirstChild, call, expirationTime) {
-    var key = call.key;
-    var child = currentFirstChild;
-    while (child !== null) {
-      // TODO: If key === null and child.key === null, then this only applies to
-      // the first item in the list.
-      if (child.key === key) {
-        if (child.tag === CallComponent) {
-          deleteRemainingChildren(returnFiber, child.sibling);
-          var existing = useFiber(child, call, expirationTime);
-          existing['return'] = returnFiber;
-          return existing;
-        } else {
-          deleteRemainingChildren(returnFiber, child);
-          break;
-        }
-      } else {
-        deleteChild(returnFiber, child);
-      }
-      child = child.sibling;
-    }
-
-    var created = createFiberFromCall(call, returnFiber.internalContextTag, expirationTime);
-    created['return'] = returnFiber;
-    return created;
-  }
-
-  function reconcileSingleReturn(returnFiber, currentFirstChild, returnNode, expirationTime) {
-    // There's no need to check for keys on yields since they're stateless.
-    var child = currentFirstChild;
-    if (child !== null) {
-      if (child.tag === ReturnComponent) {
-        deleteRemainingChildren(returnFiber, child.sibling);
-        var existing = useFiber(child, null, expirationTime);
-        existing.type = returnNode.value;
-        existing['return'] = returnFiber;
-        return existing;
-      } else {
-        deleteRemainingChildren(returnFiber, child);
-      }
-    }
-
-    var created = createFiberFromReturn(returnNode, returnFiber.internalContextTag, expirationTime);
-    created.type = returnNode.value;
-    created['return'] = returnFiber;
-    return created;
-  }
-
   function reconcileSinglePortal(returnFiber, currentFirstChild, portal, expirationTime) {
     var key = portal.key;
     var child = currentFirstChild;
@@ -18208,7 +18652,7 @@ function ChildReconciler(shouldTrackSideEffects) {
       child = child.sibling;
     }
 
-    var created = createFiberFromPortal(portal, returnFiber.internalContextTag, expirationTime);
+    var created = createFiberFromPortal(portal, returnFiber.mode, expirationTime);
     created['return'] = returnFiber;
     return created;
   }
@@ -18236,11 +18680,6 @@ function ChildReconciler(shouldTrackSideEffects) {
       switch (newChild.$$typeof) {
         case REACT_ELEMENT_TYPE:
           return placeSingleChild(reconcileSingleElement(returnFiber, currentFirstChild, newChild, expirationTime));
-
-        case REACT_CALL_TYPE:
-          return placeSingleChild(reconcileSingleCall(returnFiber, currentFirstChild, newChild, expirationTime));
-        case REACT_RETURN_TYPE:
-          return placeSingleChild(reconcileSingleReturn(returnFiber, currentFirstChild, newChild, expirationTime));
         case REACT_PORTAL_TYPE:
           return placeSingleChild(reconcileSinglePortal(returnFiber, currentFirstChild, newChild, expirationTime));
       }
@@ -18323,24 +18762,38 @@ function cloneChildFibers(current, workInProgress) {
   newChild.sibling = null;
 }
 
+var didWarnAboutBadClass = void 0;
+var didWarnAboutGetDerivedStateOnFunctionalComponent = void 0;
+var didWarnAboutStatelessRefs = void 0;
+
 {
-  var warnedAboutStatelessRefs = {};
+  didWarnAboutBadClass = {};
+  didWarnAboutGetDerivedStateOnFunctionalComponent = {};
+  didWarnAboutStatelessRefs = {};
 }
 
-var ReactFiberBeginWork = function (config, hostContext, hydrationContext, scheduleWork, computeExpirationForFiber) {
+var ReactFiberBeginWork = function (config, hostContext, legacyContext, newContext, hydrationContext, scheduleWork, computeExpirationForFiber) {
   var shouldSetTextContent = config.shouldSetTextContent,
-      useSyncScheduling = config.useSyncScheduling,
       shouldDeprioritizeSubtree = config.shouldDeprioritizeSubtree;
   var pushHostContext = hostContext.pushHostContext,
       pushHostContainer = hostContext.pushHostContainer;
+  var pushProvider = newContext.pushProvider;
+  var getMaskedContext = legacyContext.getMaskedContext,
+      getUnmaskedContext = legacyContext.getUnmaskedContext,
+      hasLegacyContextChanged = legacyContext.hasContextChanged,
+      pushLegacyContextProvider = legacyContext.pushContextProvider,
+      pushTopLevelContextObject = legacyContext.pushTopLevelContextObject,
+      invalidateContextProvider = legacyContext.invalidateContextProvider;
   var enterHydrationState = hydrationContext.enterHydrationState,
       resetHydrationState = hydrationContext.resetHydrationState,
       tryToClaimNextHydratableInstance = hydrationContext.tryToClaimNextHydratableInstance;
 
-  var _ReactFiberClassCompo = ReactFiberClassComponent(scheduleWork, computeExpirationForFiber, memoizeProps, memoizeState),
+  var _ReactFiberClassCompo = ReactFiberClassComponent(legacyContext, scheduleWork, computeExpirationForFiber, memoizeProps, memoizeState),
       adoptClassInstance = _ReactFiberClassCompo.adoptClassInstance,
+      callGetDerivedStateFromProps = _ReactFiberClassCompo.callGetDerivedStateFromProps,
       constructClassInstance = _ReactFiberClassCompo.constructClassInstance,
       mountClassInstance = _ReactFiberClassCompo.mountClassInstance,
+      resumeMountClassInstance = _ReactFiberClassCompo.resumeMountClassInstance,
       updateClassInstance = _ReactFiberClassCompo.updateClassInstance;
 
   // TODO: Remove this and use reconcileChildrenAtExpirationTime directly.
@@ -18368,14 +18821,32 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
     }
   }
 
+  function updateForwardRef(current, workInProgress) {
+    var render = workInProgress.type.render;
+    var nextChildren = render(workInProgress.pendingProps, workInProgress.ref);
+    reconcileChildren(current, workInProgress, nextChildren);
+    memoizeProps(workInProgress, nextChildren);
+    return workInProgress.child;
+  }
+
   function updateFragment(current, workInProgress) {
     var nextChildren = workInProgress.pendingProps;
-    if (hasContextChanged()) {
+    if (hasLegacyContextChanged()) {
+      // Normally we can bail out on props equality but if context has changed
+      // we don't do the bailout and we have to reuse existing props instead.
+    } else if (workInProgress.memoizedProps === nextChildren) {
+      return bailoutOnAlreadyFinishedWork(current, workInProgress);
+    }
+    reconcileChildren(current, workInProgress, nextChildren);
+    memoizeProps(workInProgress, nextChildren);
+    return workInProgress.child;
+  }
+
+  function updateMode(current, workInProgress) {
+    var nextChildren = workInProgress.pendingProps.children;
+    if (hasLegacyContextChanged()) {
       // Normally we can bail out on props equality but if context has changed
       // we don't do the bailout and we have to reuse existing props instead.
-      if (nextChildren === null) {
-        nextChildren = workInProgress.memoizedProps;
-      }
     } else if (nextChildren === null || workInProgress.memoizedProps === nextChildren) {
       return bailoutOnAlreadyFinishedWork(current, workInProgress);
     }
@@ -18386,7 +18857,7 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
 
   function markRef(current, workInProgress) {
     var ref = workInProgress.ref;
-    if (ref !== null && (!current || current.ref !== ref)) {
+    if (current === null && ref !== null || current !== null && current.ref !== ref) {
       // Schedule a Ref effect
       workInProgress.effectTag |= Ref;
     }
@@ -18396,15 +18867,11 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
     var fn = workInProgress.type;
     var nextProps = workInProgress.pendingProps;
 
-    var memoizedProps = workInProgress.memoizedProps;
-    if (hasContextChanged()) {
+    if (hasLegacyContextChanged()) {
       // Normally we can bail out on props equality but if context has changed
       // we don't do the bailout and we have to reuse existing props instead.
-      if (nextProps === null) {
-        nextProps = memoizedProps;
-      }
     } else {
-      if (nextProps === null || memoizedProps === nextProps) {
+      if (workInProgress.memoizedProps === nextProps) {
         return bailoutOnAlreadyFinishedWork(current, workInProgress);
       }
       // TODO: consider bringing fn.shouldComponentUpdate() back.
@@ -18414,7 +18881,7 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
     var unmaskedContext = getUnmaskedContext(workInProgress);
     var context = getMaskedContext(workInProgress, unmaskedContext);
 
-    var nextChildren;
+    var nextChildren = void 0;
 
     {
       ReactCurrentOwner.current = workInProgress;
@@ -18433,31 +18900,40 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
     // Push context providers early to prevent context stack mismatches.
     // During mounting we don't know the child context yet as the instance doesn't exist.
     // We will invalidate the child context in finishClassComponent() right after rendering.
-    var hasContext = pushContextProvider(workInProgress);
-
+    var hasContext = pushLegacyContextProvider(workInProgress);
     var shouldUpdate = void 0;
     if (current === null) {
-      if (!workInProgress.stateNode) {
+      if (workInProgress.stateNode === null) {
         // In the initial pass we might need to construct the instance.
         constructClassInstance(workInProgress, workInProgress.pendingProps);
         mountClassInstance(workInProgress, renderExpirationTime);
+
         shouldUpdate = true;
       } else {
-        invariant(false, 'Resuming work not yet implemented.');
         // In a resume, we'll already have an instance we can reuse.
-        // shouldUpdate = resumeMountClassInstance(workInProgress, renderExpirationTime);
+        shouldUpdate = resumeMountClassInstance(workInProgress, renderExpirationTime);
       }
     } else {
       shouldUpdate = updateClassInstance(current, workInProgress, renderExpirationTime);
     }
-    return finishClassComponent(current, workInProgress, shouldUpdate, hasContext);
+
+    // We processed the update queue inside updateClassInstance. It may have
+    // included some errors that were dispatched during the commit phase.
+    // TODO: Refactor class components so this is less awkward.
+    var didCaptureError = false;
+    var updateQueue = workInProgress.updateQueue;
+    if (updateQueue !== null && updateQueue.capturedValues !== null) {
+      shouldUpdate = true;
+      didCaptureError = true;
+    }
+    return finishClassComponent(current, workInProgress, shouldUpdate, hasContext, didCaptureError, renderExpirationTime);
   }
 
-  function finishClassComponent(current, workInProgress, shouldUpdate, hasContext) {
+  function finishClassComponent(current, workInProgress, shouldUpdate, hasContext, didCaptureError, renderExpirationTime) {
     // Refs should update even if shouldComponentUpdate returns false
     markRef(current, workInProgress);
 
-    if (!shouldUpdate) {
+    if (!shouldUpdate && !didCaptureError) {
       // Context providers should defer to sCU for rendering
       if (hasContext) {
         invalidateContextProvider(workInProgress, false);
@@ -18466,22 +18942,42 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
       return bailoutOnAlreadyFinishedWork(current, workInProgress);
     }
 
+    var ctor = workInProgress.type;
     var instance = workInProgress.stateNode;
 
     // Rerender
     ReactCurrentOwner.current = workInProgress;
     var nextChildren = void 0;
-    {
-      ReactDebugCurrentFiber.setCurrentPhase('render');
-      nextChildren = instance.render();
-      if (debugRenderPhaseSideEffects) {
-        instance.render();
+    if (didCaptureError && (!enableGetDerivedStateFromCatch || typeof ctor.getDerivedStateFromCatch !== 'function')) {
+      // If we captured an error, but getDerivedStateFrom catch is not defined,
+      // unmount all the children. componentDidCatch will schedule an update to
+      // re-render a fallback. This is temporary until we migrate everyone to
+      // the new API.
+      // TODO: Warn in a future release.
+      nextChildren = null;
+    } else {
+      {
+        ReactDebugCurrentFiber.setCurrentPhase('render');
+        nextChildren = instance.render();
+        if (debugRenderPhaseSideEffects || debugRenderPhaseSideEffectsForStrictMode && workInProgress.mode & StrictMode) {
+          instance.render();
+        }
+        ReactDebugCurrentFiber.setCurrentPhase(null);
       }
-      ReactDebugCurrentFiber.setCurrentPhase(null);
     }
+
     // React DevTools reads this flag.
     workInProgress.effectTag |= PerformedWork;
-    reconcileChildren(current, workInProgress, nextChildren);
+    if (didCaptureError) {
+      // If we're recovering from an error, reconcile twice: first to delete
+      // all the existing children.
+      reconcileChildrenAtExpirationTime(current, workInProgress, null, renderExpirationTime);
+      workInProgress.child = null;
+      // Now we can continue reconciling like normal. This has the effect of
+      // remounting all children regardless of whether their their
+      // identity matches.
+    }
+    reconcileChildrenAtExpirationTime(current, workInProgress, nextChildren, renderExpirationTime);
     // Memoize props and state using the values we just used to render.
     // TODO: Restructure so we never read values from the instance.
     memoizeState(workInProgress, instance.state);
@@ -18512,13 +19008,21 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
     if (updateQueue !== null) {
       var prevState = workInProgress.memoizedState;
       var state = processUpdateQueue(current, workInProgress, updateQueue, null, null, renderExpirationTime);
-      if (prevState === state) {
+      memoizeState(workInProgress, state);
+      updateQueue = workInProgress.updateQueue;
+
+      var element = void 0;
+      if (updateQueue !== null && updateQueue.capturedValues !== null) {
+        // There's an uncaught error. Unmount the whole root.
+        element = null;
+      } else if (prevState === state) {
         // If the state is the same as before, that's a bailout because we had
         // no work that expires at this time.
         resetHydrationState();
         return bailoutOnAlreadyFinishedWork(current, workInProgress);
+      } else {
+        element = state.element;
       }
-      var element = state.element;
       var root = workInProgress.stateNode;
       if ((current === null || current.child === null) && root.hydrate && enterHydrationState(workInProgress)) {
         // If we don't have any current children this might be the first pass.
@@ -18560,17 +19064,22 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
     var type = workInProgress.type;
     var memoizedProps = workInProgress.memoizedProps;
     var nextProps = workInProgress.pendingProps;
-    if (nextProps === null) {
-      nextProps = memoizedProps;
-      !(nextProps !== null) ? invariant(false, 'We should always have pending or current props. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-    }
     var prevProps = current !== null ? current.memoizedProps : null;
 
-    if (hasContextChanged()) {
+    if (hasLegacyContextChanged()) {
       // Normally we can bail out on props equality but if context has changed
       // we don't do the bailout and we have to reuse existing props instead.
-    } else if (nextProps === null || memoizedProps === nextProps) {
-      return bailoutOnAlreadyFinishedWork(current, workInProgress);
+    } else if (memoizedProps === nextProps) {
+      var isHidden = workInProgress.mode & AsyncMode && shouldDeprioritizeSubtree(type, nextProps);
+      if (isHidden) {
+        // Before bailing out, make sure we've deprioritized a hidden component.
+        workInProgress.expirationTime = Never;
+      }
+      if (!isHidden || renderExpirationTime !== Never) {
+        return bailoutOnAlreadyFinishedWork(current, workInProgress);
+      }
+      // If we're rendering a hidden node at hidden priority, don't bailout. The
+      // parent is complete, but the children may not be.
     }
 
     var nextChildren = nextProps.children;
@@ -18591,10 +19100,11 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
     markRef(current, workInProgress);
 
     // Check the host config to see if the children are offscreen/hidden.
-    if (renderExpirationTime !== Never && !useSyncScheduling && shouldDeprioritizeSubtree(type, nextProps)) {
+    if (renderExpirationTime !== Never && workInProgress.mode & AsyncMode && shouldDeprioritizeSubtree(type, nextProps)) {
       // Down-prioritize the children.
       workInProgress.expirationTime = Never;
       // Bailout and come back to this fiber later.
+      workInProgress.memoizedProps = nextProps;
       return null;
     }
 
@@ -18608,9 +19118,6 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
       tryToClaimNextHydratableInstance(workInProgress);
     }
     var nextProps = workInProgress.pendingProps;
-    if (nextProps === null) {
-      nextProps = workInProgress.memoizedProps;
-    }
     memoizeProps(workInProgress, nextProps);
     // Nothing to do here. This is terminal. We'll do the completion step
     // immediately after.
@@ -18624,12 +19131,16 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
     var unmaskedContext = getUnmaskedContext(workInProgress);
     var context = getMaskedContext(workInProgress, unmaskedContext);
 
-    var value;
+    var value = void 0;
 
     {
       if (fn.prototype && typeof fn.prototype.render === 'function') {
-        var componentName = getComponentName(workInProgress);
-        warning(false, "The <%s /> component appears to have a render method, but doesn't extend React.Component. " + 'This is likely to cause errors. Change %s to extend React.Component instead.', componentName, componentName);
+        var componentName = getComponentName(workInProgress) || 'Unknown';
+
+        if (!didWarnAboutBadClass[componentName]) {
+          warning(false, "The <%s /> component appears to have a render method, but doesn't extend React.Component. " + 'This is likely to cause errors. Change %s to extend React.Component instead.', componentName, componentName);
+          didWarnAboutBadClass[componentName] = true;
+        }
       }
       ReactCurrentOwner.current = workInProgress;
       value = fn(props, context);
@@ -18637,25 +19148,37 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
     // React DevTools reads this flag.
     workInProgress.effectTag |= PerformedWork;
 
-    if (typeof value === 'object' && value !== null && typeof value.render === 'function') {
+    if (typeof value === 'object' && value !== null && typeof value.render === 'function' && value.$$typeof === undefined) {
+      var Component = workInProgress.type;
+
       // Proceed under the assumption that this is a class instance
       workInProgress.tag = ClassComponent;
 
+      workInProgress.memoizedState = value.state !== null && value.state !== undefined ? value.state : null;
+
+      if (typeof Component.getDerivedStateFromProps === 'function') {
+        var partialState = callGetDerivedStateFromProps(workInProgress, value, props, workInProgress.memoizedState);
+
+        if (partialState !== null && partialState !== undefined) {
+          workInProgress.memoizedState = _assign({}, workInProgress.memoizedState, partialState);
+        }
+      }
+
       // Push context providers early to prevent context stack mismatches.
       // During mounting we don't know the child context yet as the instance doesn't exist.
       // We will invalidate the child context in finishClassComponent() right after rendering.
-      var hasContext = pushContextProvider(workInProgress);
+      var hasContext = pushLegacyContextProvider(workInProgress);
       adoptClassInstance(workInProgress, value);
       mountClassInstance(workInProgress, renderExpirationTime);
-      return finishClassComponent(current, workInProgress, true, hasContext);
+      return finishClassComponent(current, workInProgress, true, hasContext, false, renderExpirationTime);
     } else {
       // Proceed under the assumption that this is a functional component
       workInProgress.tag = FunctionalComponent;
       {
-        var Component = workInProgress.type;
+        var _Component = workInProgress.type;
 
-        if (Component) {
-          warning(!Component.childContextTypes, '%s(...): childContextTypes cannot be defined on a functional component.', Component.displayName || Component.name || 'Component');
+        if (_Component) {
+          warning(!_Component.childContextTypes, '%s(...): childContextTypes cannot be defined on a functional component.', _Component.displayName || _Component.name || 'Component');
         }
         if (workInProgress.ref !== null) {
           var info = '';
@@ -18669,11 +19192,20 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
           if (debugSource) {
             warningKey = debugSource.fileName + ':' + debugSource.lineNumber;
           }
-          if (!warnedAboutStatelessRefs[warningKey]) {
-            warnedAboutStatelessRefs[warningKey] = true;
+          if (!didWarnAboutStatelessRefs[warningKey]) {
+            didWarnAboutStatelessRefs[warningKey] = true;
             warning(false, 'Stateless function components cannot be given refs. ' + 'Attempts to access this ref will fail.%s%s', info, ReactDebugCurrentFiber.getCurrentFiberStackAddendum());
           }
         }
+
+        if (typeof fn.getDerivedStateFromProps === 'function') {
+          var _componentName = getComponentName(workInProgress) || 'Unknown';
+
+          if (!didWarnAboutGetDerivedStateOnFunctionalComponent[_componentName]) {
+            warning(false, '%s: Stateless functional components do not support getDerivedStateFromProps.', _componentName);
+            didWarnAboutGetDerivedStateOnFunctionalComponent[_componentName] = true;
+          }
+        }
       }
       reconcileChildren(current, workInProgress, value);
       memoizeProps(workInProgress, props);
@@ -18682,32 +19214,28 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
   }
 
   function updateCallComponent(current, workInProgress, renderExpirationTime) {
-    var nextCall = workInProgress.pendingProps;
-    if (hasContextChanged()) {
+    var nextProps = workInProgress.pendingProps;
+    if (hasLegacyContextChanged()) {
       // Normally we can bail out on props equality but if context has changed
       // we don't do the bailout and we have to reuse existing props instead.
-      if (nextCall === null) {
-        nextCall = current && current.memoizedProps;
-        !(nextCall !== null) ? invariant(false, 'We should always have pending or current props. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-      }
-    } else if (nextCall === null || workInProgress.memoizedProps === nextCall) {
-      nextCall = workInProgress.memoizedProps;
+    } else if (workInProgress.memoizedProps === nextProps) {
+      nextProps = workInProgress.memoizedProps;
       // TODO: When bailing out, we might need to return the stateNode instead
       // of the child. To check it for work.
       // return bailoutOnAlreadyFinishedWork(current, workInProgress);
     }
 
-    var nextChildren = nextCall.children;
+    var nextChildren = nextProps.children;
 
     // The following is a fork of reconcileChildrenAtExpirationTime but using
     // stateNode to store the child.
     if (current === null) {
       workInProgress.stateNode = mountChildFibers(workInProgress, workInProgress.stateNode, nextChildren, renderExpirationTime);
     } else {
-      workInProgress.stateNode = reconcileChildFibers(workInProgress, workInProgress.stateNode, nextChildren, renderExpirationTime);
+      workInProgress.stateNode = reconcileChildFibers(workInProgress, current.stateNode, nextChildren, renderExpirationTime);
     }
 
-    memoizeProps(workInProgress, nextCall);
+    memoizeProps(workInProgress, nextProps);
     // This doesn't take arbitrary time so we could synchronously just begin
     // eagerly do the work of workInProgress.child as an optimization.
     return workInProgress.stateNode;
@@ -18716,14 +19244,10 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
   function updatePortalComponent(current, workInProgress, renderExpirationTime) {
     pushHostContainer(workInProgress, workInProgress.stateNode.containerInfo);
     var nextChildren = workInProgress.pendingProps;
-    if (hasContextChanged()) {
+    if (hasLegacyContextChanged()) {
       // Normally we can bail out on props equality but if context has changed
       // we don't do the bailout and we have to reuse existing props instead.
-      if (nextChildren === null) {
-        nextChildren = current && current.memoizedProps;
-        !(nextChildren != null) ? invariant(false, 'We should always have pending or current props. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-      }
-    } else if (nextChildren === null || workInProgress.memoizedProps === nextChildren) {
+    } else if (workInProgress.memoizedProps === nextChildren) {
       return bailoutOnAlreadyFinishedWork(current, workInProgress);
     }
 
@@ -18742,6 +19266,201 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
     return workInProgress.child;
   }
 
+  function propagateContextChange(workInProgress, context, changedBits, renderExpirationTime) {
+    var fiber = workInProgress.child;
+    if (fiber !== null) {
+      // Set the return pointer of the child to the work-in-progress fiber.
+      fiber['return'] = workInProgress;
+    }
+    while (fiber !== null) {
+      var nextFiber = void 0;
+      // Visit this fiber.
+      switch (fiber.tag) {
+        case ContextConsumer:
+          // Check if the context matches.
+          var observedBits = fiber.stateNode | 0;
+          if (fiber.type === context && (observedBits & changedBits) !== 0) {
+            // Update the expiration time of all the ancestors, including
+            // the alternates.
+            var node = fiber;
+            while (node !== null) {
+              var alternate = node.alternate;
+              if (node.expirationTime === NoWork || node.expirationTime > renderExpirationTime) {
+                node.expirationTime = renderExpirationTime;
+                if (alternate !== null && (alternate.expirationTime === NoWork || alternate.expirationTime > renderExpirationTime)) {
+                  alternate.expirationTime = renderExpirationTime;
+                }
+              } else if (alternate !== null && (alternate.expirationTime === NoWork || alternate.expirationTime > renderExpirationTime)) {
+                alternate.expirationTime = renderExpirationTime;
+              } else {
+                // Neither alternate was updated, which means the rest of the
+                // ancestor path already has sufficient priority.
+                break;
+              }
+              node = node['return'];
+            }
+            // Don't scan deeper than a matching consumer. When we render the
+            // consumer, we'll continue scanning from that point. This way the
+            // scanning work is time-sliced.
+            nextFiber = null;
+          } else {
+            // Traverse down.
+            nextFiber = fiber.child;
+          }
+          break;
+        case ContextProvider:
+          // Don't scan deeper if this is a matching provider
+          nextFiber = fiber.type === workInProgress.type ? null : fiber.child;
+          break;
+        default:
+          // Traverse down.
+          nextFiber = fiber.child;
+          break;
+      }
+      if (nextFiber !== null) {
+        // Set the return pointer of the child to the work-in-progress fiber.
+        nextFiber['return'] = fiber;
+      } else {
+        // No child. Traverse to next sibling.
+        nextFiber = fiber;
+        while (nextFiber !== null) {
+          if (nextFiber === workInProgress) {
+            // We're back to the root of this subtree. Exit.
+            nextFiber = null;
+            break;
+          }
+          var sibling = nextFiber.sibling;
+          if (sibling !== null) {
+            nextFiber = sibling;
+            break;
+          }
+          // No more siblings. Traverse up.
+          nextFiber = nextFiber['return'];
+        }
+      }
+      fiber = nextFiber;
+    }
+  }
+
+  function updateContextProvider(current, workInProgress, renderExpirationTime) {
+    var providerType = workInProgress.type;
+    var context = providerType._context;
+
+    var newProps = workInProgress.pendingProps;
+    var oldProps = workInProgress.memoizedProps;
+
+    if (hasLegacyContextChanged()) {
+      // Normally we can bail out on props equality but if context has changed
+      // we don't do the bailout and we have to reuse existing props instead.
+    } else if (oldProps === newProps) {
+      workInProgress.stateNode = 0;
+      pushProvider(workInProgress);
+      return bailoutOnAlreadyFinishedWork(current, workInProgress);
+    }
+
+    var newValue = newProps.value;
+    workInProgress.memoizedProps = newProps;
+
+    var changedBits = void 0;
+    if (oldProps === null) {
+      // Initial render
+      changedBits = MAX_SIGNED_31_BIT_INT;
+    } else {
+      if (oldProps.value === newProps.value) {
+        // No change. Bailout early if children are the same.
+        if (oldProps.children === newProps.children) {
+          workInProgress.stateNode = 0;
+          pushProvider(workInProgress);
+          return bailoutOnAlreadyFinishedWork(current, workInProgress);
+        }
+        changedBits = 0;
+      } else {
+        var oldValue = oldProps.value;
+        // Use Object.is to compare the new context value to the old value.
+        // Inlined Object.is polyfill.
+        // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
+        if (oldValue === newValue && (oldValue !== 0 || 1 / oldValue === 1 / newValue) || oldValue !== oldValue && newValue !== newValue // eslint-disable-line no-self-compare
+        ) {
+            // No change. Bailout early if children are the same.
+            if (oldProps.children === newProps.children) {
+              workInProgress.stateNode = 0;
+              pushProvider(workInProgress);
+              return bailoutOnAlreadyFinishedWork(current, workInProgress);
+            }
+            changedBits = 0;
+          } else {
+          changedBits = typeof context._calculateChangedBits === 'function' ? context._calculateChangedBits(oldValue, newValue) : MAX_SIGNED_31_BIT_INT;
+          {
+            warning((changedBits & MAX_SIGNED_31_BIT_INT) === changedBits, 'calculateChangedBits: Expected the return value to be a ' + '31-bit integer. Instead received: %s', changedBits);
+          }
+          changedBits |= 0;
+
+          if (changedBits === 0) {
+            // No change. Bailout early if children are the same.
+            if (oldProps.children === newProps.children) {
+              workInProgress.stateNode = 0;
+              pushProvider(workInProgress);
+              return bailoutOnAlreadyFinishedWork(current, workInProgress);
+            }
+          } else {
+            propagateContextChange(workInProgress, context, changedBits, renderExpirationTime);
+          }
+        }
+      }
+    }
+
+    workInProgress.stateNode = changedBits;
+    pushProvider(workInProgress);
+
+    var newChildren = newProps.children;
+    reconcileChildren(current, workInProgress, newChildren);
+    return workInProgress.child;
+  }
+
+  function updateContextConsumer(current, workInProgress, renderExpirationTime) {
+    var context = workInProgress.type;
+    var newProps = workInProgress.pendingProps;
+    var oldProps = workInProgress.memoizedProps;
+
+    var newValue = context._currentValue;
+    var changedBits = context._changedBits;
+
+    if (hasLegacyContextChanged()) {
+      // Normally we can bail out on props equality but if context has changed
+      // we don't do the bailout and we have to reuse existing props instead.
+    } else if (changedBits === 0 && oldProps === newProps) {
+      return bailoutOnAlreadyFinishedWork(current, workInProgress);
+    }
+    workInProgress.memoizedProps = newProps;
+
+    var observedBits = newProps.unstable_observedBits;
+    if (observedBits === undefined || observedBits === null) {
+      // Subscribe to all changes by default
+      observedBits = MAX_SIGNED_31_BIT_INT;
+    }
+    // Store the observedBits on the fiber's stateNode for quick access.
+    workInProgress.stateNode = observedBits;
+
+    if ((changedBits & observedBits) !== 0) {
+      // Context change propagation stops at matching consumers, for time-
+      // slicing. Continue the propagation here.
+      propagateContextChange(workInProgress, context, changedBits, renderExpirationTime);
+    }
+    // There is no bailout on `children` equality because we expect people
+    // to often pass a bound method as a child, but it may reference
+    // `this.state` or `this.props` (and thus needs to re-render on `setState`).
+
+    var render = newProps.children;
+
+    {
+      warning(typeof render === 'function', 'A context consumer was rendered with multiple children, or a child ' + "that isn't a function. A context consumer expects a single child " + 'that is a function. If you did pass a function, make sure there ' + 'is no trailing or leading whitespace around it.');
+    }
+
+    var newChildren = render(newValue);
+    reconcileChildren(current, workInProgress, newChildren);
+    return workInProgress.child;
+  }
+
   /*
   function reuseChildrenEffects(returnFiber : Fiber, firstChild : Fiber) {
     let child = firstChild;
@@ -18792,11 +19511,14 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
         pushHostRootContext(workInProgress);
         break;
       case ClassComponent:
-        pushContextProvider(workInProgress);
+        pushLegacyContextProvider(workInProgress);
         break;
       case HostPortal:
         pushHostContainer(workInProgress, workInProgress.stateNode.containerInfo);
         break;
+      case ContextProvider:
+        pushProvider(workInProgress);
+        break;
     }
     // TODO: What if this is currently in progress?
     // How can that happen? How is this not being cloned?
@@ -18844,69 +19566,27 @@ var ReactFiberBeginWork = function (config, hostContext, hydrationContext, sched
         return null;
       case HostPortal:
         return updatePortalComponent(current, workInProgress, renderExpirationTime);
+      case ForwardRef:
+        return updateForwardRef(current, workInProgress);
       case Fragment:
         return updateFragment(current, workInProgress);
+      case Mode:
+        return updateMode(current, workInProgress);
+      case ContextProvider:
+        return updateContextProvider(current, workInProgress, renderExpirationTime);
+      case ContextConsumer:
+        return updateContextConsumer(current, workInProgress, renderExpirationTime);
       default:
         invariant(false, 'Unknown unit of work tag. This error is likely caused by a bug in React. Please file an issue.');
     }
   }
 
-  function beginFailedWork(current, workInProgress, renderExpirationTime) {
-    // Push context providers here to avoid a push/pop context mismatch.
-    switch (workInProgress.tag) {
-      case ClassComponent:
-        pushContextProvider(workInProgress);
-        break;
-      case HostRoot:
-        pushHostRootContext(workInProgress);
-        break;
-      default:
-        invariant(false, 'Invalid type of work. This error is likely caused by a bug in React. Please file an issue.');
-    }
-
-    // Add an error effect so we can handle the error during the commit phase
-    workInProgress.effectTag |= Err;
-
-    // This is a weird case where we do "resume" work — work that failed on
-    // our first attempt. Because we no longer have a notion of "progressed
-    // deletions," reset the child to the current child to make sure we delete
-    // it again. TODO: Find a better way to handle this, perhaps during a more
-    // general overhaul of error handling.
-    if (current === null) {
-      workInProgress.child = null;
-    } else if (workInProgress.child !== current.child) {
-      workInProgress.child = current.child;
-    }
-
-    if (workInProgress.expirationTime === NoWork || workInProgress.expirationTime > renderExpirationTime) {
-      return bailoutOnLowPriority(current, workInProgress);
-    }
-
-    // If we don't bail out, we're going be recomputing our children so we need
-    // to drop our effect list.
-    workInProgress.firstEffect = null;
-    workInProgress.lastEffect = null;
-
-    // Unmount the current children as if the component rendered null
-    var nextChildren = null;
-    reconcileChildrenAtExpirationTime(current, workInProgress, nextChildren, renderExpirationTime);
-
-    if (workInProgress.tag === ClassComponent) {
-      var instance = workInProgress.stateNode;
-      workInProgress.memoizedProps = instance.props;
-      workInProgress.memoizedState = instance.state;
-    }
-
-    return workInProgress.child;
-  }
-
   return {
-    beginWork: beginWork,
-    beginFailedWork: beginFailedWork
+    beginWork: beginWork
   };
 };
 
-var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
+var ReactFiberCompleteWork = function (config, hostContext, legacyContext, newContext, hydrationContext) {
   var createInstance = config.createInstance,
       createTextInstance = config.createTextInstance,
       appendInitialChild = config.appendInitialChild,
@@ -18918,6 +19598,9 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
       popHostContext = hostContext.popHostContext,
       getHostContext = hostContext.getHostContext,
       popHostContainer = hostContext.popHostContainer;
+  var popLegacyContextProvider = legacyContext.popContextProvider,
+      popTopLevelLegacyContextObject = legacyContext.popTopLevelContextObject;
+  var popProvider = newContext.popProvider;
   var prepareToHydrateHostInstance = hydrationContext.prepareToHydrateHostInstance,
       prepareToHydrateHostTextInstance = hydrationContext.prepareToHydrateHostTextInstance,
       popHydrationState = hydrationContext.popHydrationState;
@@ -18942,7 +19625,7 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
       if (node.tag === HostComponent || node.tag === HostText || node.tag === HostPortal) {
         invariant(false, 'A call cannot have host component children.');
       } else if (node.tag === ReturnComponent) {
-        returns.push(node.type);
+        returns.push(node.pendingProps.value);
       } else if (node.child !== null) {
         node.child['return'] = node;
         node = node.child;
@@ -18960,8 +19643,8 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
   }
 
   function moveCallToHandlerPhase(current, workInProgress, renderExpirationTime) {
-    var call = workInProgress.memoizedProps;
-    !call ? invariant(false, 'Should be resolved by now. This error is likely caused by a bug in React. Please file an issue.') : void 0;
+    var props = workInProgress.memoizedProps;
+    !props ? invariant(false, 'Should be resolved by now. This error is likely caused by a bug in React. Please file an issue.') : void 0;
 
     // First step of the call has completed. Now we need to do the second.
     // TODO: It would be nice to have a multi stage call represented by a
@@ -18976,9 +19659,9 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
     // TODO: Compare this to a generator or opaque helpers like Children.
     var returns = [];
     appendAllReturns(returns, workInProgress);
-    var fn = call.handler;
-    var props = call.props;
-    var nextChildren = fn(props, returns);
+    var fn = props.handler;
+    var childProps = props.props;
+    var nextChildren = fn(childProps, returns);
 
     var currentFirstChild = current !== null ? current.child : null;
     workInProgress.child = reconcileChildFibers(workInProgress, currentFirstChild, nextChildren, renderExpirationTime);
@@ -19024,7 +19707,7 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
       updateHostContainer = function (workInProgress) {
         // Noop
       };
-      updateHostComponent = function (current, workInProgress, updatePayload, type, oldProps, newProps, rootContainerInstance) {
+      updateHostComponent = function (current, workInProgress, updatePayload, type, oldProps, newProps, rootContainerInstance, currentHostContext) {
         // TODO: Type this specific to this type of component.
         workInProgress.updateQueue = updatePayload;
         // If the update payload indicates that there is a change or if there
@@ -19089,17 +19772,15 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
         } else {
           var container = portalOrRoot.containerInfo;
           var newChildSet = createContainerChildSet(container);
-          if (finalizeContainerChildren(container, newChildSet)) {
-            markUpdate(workInProgress);
-          }
-          portalOrRoot.pendingChildren = newChildSet;
           // If children might have changed, we have to add them all to the set.
           appendAllChildrenToContainer(newChildSet, workInProgress);
+          portalOrRoot.pendingChildren = newChildSet;
           // Schedule an update on the container to swap out the container.
           markUpdate(workInProgress);
+          finalizeContainerChildren(container, newChildSet);
         }
       };
-      updateHostComponent = function (current, workInProgress, updatePayload, type, oldProps, newProps, rootContainerInstance) {
+      updateHostComponent = function (current, workInProgress, updatePayload, type, oldProps, newProps, rootContainerInstance, currentHostContext) {
         // If there are no effects associated with this node, then none of our children had any updates.
         // This guarantees that we can reuse all of them.
         var childrenUnchanged = workInProgress.firstEffect === null;
@@ -19111,7 +19792,7 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
         } else {
           var recyclableInstance = workInProgress.stateNode;
           var newInstance = cloneInstance(currentInstance, updatePayload, type, oldProps, newProps, workInProgress, childrenUnchanged, recyclableInstance);
-          if (finalizeInitialChildren(newInstance, type, newProps, rootContainerInstance)) {
+          if (finalizeInitialChildren(newInstance, type, newProps, rootContainerInstance, currentHostContext)) {
             markUpdate(workInProgress);
           }
           workInProgress.stateNode = newInstance;
@@ -19146,7 +19827,7 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
       updateHostContainer = function (workInProgress) {
         // Noop
       };
-      updateHostComponent = function (current, workInProgress, updatePayload, type, oldProps, newProps, rootContainerInstance) {
+      updateHostComponent = function (current, workInProgress, updatePayload, type, oldProps, newProps, rootContainerInstance, currentHostContext) {
         // Noop
       };
       updateHostText = function (current, workInProgress, oldText, newText) {
@@ -19158,34 +19839,39 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
   }
 
   function completeWork(current, workInProgress, renderExpirationTime) {
-    // Get the latest props.
     var newProps = workInProgress.pendingProps;
-    if (newProps === null) {
-      newProps = workInProgress.memoizedProps;
-    } else if (workInProgress.expirationTime !== Never || renderExpirationTime === Never) {
-      // Reset the pending props, unless this was a down-prioritization.
-      workInProgress.pendingProps = null;
-    }
-
     switch (workInProgress.tag) {
       case FunctionalComponent:
         return null;
       case ClassComponent:
         {
           // We are leaving this subtree, so pop context if any.
-          popContextProvider(workInProgress);
+          popLegacyContextProvider(workInProgress);
+
+          // If this component caught an error, schedule an error log effect.
+          var instance = workInProgress.stateNode;
+          var updateQueue = workInProgress.updateQueue;
+          if (updateQueue !== null && updateQueue.capturedValues !== null) {
+            workInProgress.effectTag &= ~DidCapture;
+            if (typeof instance.componentDidCatch === 'function') {
+              workInProgress.effectTag |= ErrLog;
+            } else {
+              // Normally we clear this in the commit phase, but since we did not
+              // schedule an effect, we need to reset it here.
+              updateQueue.capturedValues = null;
+            }
+          }
           return null;
         }
       case HostRoot:
         {
           popHostContainer(workInProgress);
-          popTopLevelContextObject(workInProgress);
+          popTopLevelLegacyContextObject(workInProgress);
           var fiberRoot = workInProgress.stateNode;
           if (fiberRoot.pendingContext) {
             fiberRoot.context = fiberRoot.pendingContext;
             fiberRoot.pendingContext = null;
           }
-
           if (current === null || current.child === null) {
             // If we hydrated, pop so that we can delete any remaining children
             // that weren't hydrated.
@@ -19195,6 +19881,11 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
             workInProgress.effectTag &= ~Placement;
           }
           updateHostContainer(workInProgress);
+
+          var _updateQueue = workInProgress.updateQueue;
+          if (_updateQueue !== null && _updateQueue.capturedValues !== null) {
+            workInProgress.effectTag |= ErrLog;
+          }
           return null;
         }
       case HostComponent:
@@ -19210,11 +19901,14 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
             // have newProps so we'll have to reuse them.
             // TODO: Split the update API as separate for the props vs. children.
             // Even better would be if children weren't special cased at all tho.
-            var instance = workInProgress.stateNode;
+            var _instance = workInProgress.stateNode;
             var currentHostContext = getHostContext();
-            var updatePayload = prepareUpdate(instance, type, oldProps, newProps, rootContainerInstance, currentHostContext);
+            // TODO: Experiencing an error where oldProps is null. Suggests a host
+            // component is hitting the resume path. Figure out why. Possibly
+            // related to `hidden`.
+            var updatePayload = prepareUpdate(_instance, type, oldProps, newProps, rootContainerInstance, currentHostContext);
 
-            updateHostComponent(current, workInProgress, updatePayload, type, oldProps, newProps, rootContainerInstance);
+            updateHostComponent(current, workInProgress, updatePayload, type, oldProps, newProps, rootContainerInstance, currentHostContext);
 
             if (current.ref !== workInProgress.ref) {
               markRef(workInProgress);
@@ -19241,17 +19935,17 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
                 markUpdate(workInProgress);
               }
             } else {
-              var _instance = createInstance(type, newProps, rootContainerInstance, _currentHostContext, workInProgress);
+              var _instance2 = createInstance(type, newProps, rootContainerInstance, _currentHostContext, workInProgress);
 
-              appendAllChildren(_instance, workInProgress);
+              appendAllChildren(_instance2, workInProgress);
 
               // Certain renderers require commit-time effects for initial mount.
               // (eg DOM renderer supports auto-focus for certain elements).
               // Make sure such renderers get scheduled for later work.
-              if (finalizeInitialChildren(_instance, type, newProps, rootContainerInstance)) {
+              if (finalizeInitialChildren(_instance2, type, newProps, rootContainerInstance, _currentHostContext)) {
                 markUpdate(workInProgress);
               }
-              workInProgress.stateNode = _instance;
+              workInProgress.stateNode = _instance2;
             }
 
             if (workInProgress.ref !== null) {
@@ -19297,12 +19991,22 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
       case ReturnComponent:
         // Does nothing.
         return null;
+      case ForwardRef:
+        return null;
       case Fragment:
         return null;
+      case Mode:
+        return null;
       case HostPortal:
         popHostContainer(workInProgress);
         updateHostContainer(workInProgress);
         return null;
+      case ContextProvider:
+        // Pop provider fiber
+        popProvider(workInProgress);
+        return null;
+      case ContextConsumer:
+        return null;
       // Error cases
       case IndeterminateComponent:
         invariant(false, 'An indeterminate component should have become determinate before completing. This error is likely caused by a bug in React. Please file an issue.');
@@ -19317,12 +20021,244 @@ var ReactFiberCompleteWork = function (config, hostContext, hydrationContext) {
   };
 };
 
-var invokeGuardedCallback$2 = ReactErrorUtils.invokeGuardedCallback;
+function createCapturedValue(value, source) {
+  // If the value is an error, call this function immediately after it is thrown
+  // so the stack is accurate.
+  return {
+    value: value,
+    source: source,
+    stack: getStackAddendumByWorkInProgressFiber(source)
+  };
+}
+
+var ReactFiberUnwindWork = function (hostContext, legacyContext, newContext, scheduleWork, isAlreadyFailedLegacyErrorBoundary) {
+  var popHostContainer = hostContext.popHostContainer,
+      popHostContext = hostContext.popHostContext;
+  var popLegacyContextProvider = legacyContext.popContextProvider,
+      popTopLevelLegacyContextObject = legacyContext.popTopLevelContextObject;
+  var popProvider = newContext.popProvider;
+
+
+  function throwException(returnFiber, sourceFiber, rawValue) {
+    // The source fiber did not complete.
+    sourceFiber.effectTag |= Incomplete;
+    // Its effect list is no longer valid.
+    sourceFiber.firstEffect = sourceFiber.lastEffect = null;
+
+    var value = createCapturedValue(rawValue, sourceFiber);
+
+    var workInProgress = returnFiber;
+    do {
+      switch (workInProgress.tag) {
+        case HostRoot:
+          {
+            // Uncaught error
+            var errorInfo = value;
+            ensureUpdateQueues(workInProgress);
+            var updateQueue = workInProgress.updateQueue;
+            updateQueue.capturedValues = [errorInfo];
+            workInProgress.effectTag |= ShouldCapture;
+            return;
+          }
+        case ClassComponent:
+          // Capture and retry
+          var ctor = workInProgress.type;
+          var _instance = workInProgress.stateNode;
+          if ((workInProgress.effectTag & DidCapture) === NoEffect && (typeof ctor.getDerivedStateFromCatch === 'function' && enableGetDerivedStateFromCatch || _instance !== null && typeof _instance.componentDidCatch === 'function' && !isAlreadyFailedLegacyErrorBoundary(_instance))) {
+            ensureUpdateQueues(workInProgress);
+            var _updateQueue = workInProgress.updateQueue;
+            var capturedValues = _updateQueue.capturedValues;
+            if (capturedValues === null) {
+              _updateQueue.capturedValues = [value];
+            } else {
+              capturedValues.push(value);
+            }
+            workInProgress.effectTag |= ShouldCapture;
+            return;
+          }
+          break;
+        default:
+          break;
+      }
+      workInProgress = workInProgress['return'];
+    } while (workInProgress !== null);
+  }
+
+  function unwindWork(workInProgress) {
+    switch (workInProgress.tag) {
+      case ClassComponent:
+        {
+          popLegacyContextProvider(workInProgress);
+          var effectTag = workInProgress.effectTag;
+          if (effectTag & ShouldCapture) {
+            workInProgress.effectTag = effectTag & ~ShouldCapture | DidCapture;
+            return workInProgress;
+          }
+          return null;
+        }
+      case HostRoot:
+        {
+          popHostContainer(workInProgress);
+          popTopLevelLegacyContextObject(workInProgress);
+          var _effectTag = workInProgress.effectTag;
+          if (_effectTag & ShouldCapture) {
+            workInProgress.effectTag = _effectTag & ~ShouldCapture | DidCapture;
+            return workInProgress;
+          }
+          return null;
+        }
+      case HostComponent:
+        {
+          popHostContext(workInProgress);
+          return null;
+        }
+      case HostPortal:
+        popHostContainer(workInProgress);
+        return null;
+      case ContextProvider:
+        popProvider(workInProgress);
+        return null;
+      default:
+        return null;
+    }
+  }
+
+  function unwindInterruptedWork(interruptedWork) {
+    switch (interruptedWork.tag) {
+      case ClassComponent:
+        {
+          popLegacyContextProvider(interruptedWork);
+          break;
+        }
+      case HostRoot:
+        {
+          popHostContainer(interruptedWork);
+          popTopLevelLegacyContextObject(interruptedWork);
+          break;
+        }
+      case HostComponent:
+        {
+          popHostContext(interruptedWork);
+          break;
+        }
+      case HostPortal:
+        popHostContainer(interruptedWork);
+        break;
+      case ContextProvider:
+        popProvider(interruptedWork);
+        break;
+      default:
+        break;
+    }
+  }
+
+  return {
+    throwException: throwException,
+    unwindWork: unwindWork,
+    unwindInterruptedWork: unwindInterruptedWork
+  };
+};
+
+// This module is forked in different environments.
+// By default, return `true` to log errors to the console.
+// Forks can return `false` if this isn't desirable.
+function showErrorDialog(capturedError) {
+  return true;
+}
+
+function logCapturedError(capturedError) {
+  var logError = showErrorDialog(capturedError);
+
+  // Allow injected showErrorDialog() to prevent default console.error logging.
+  // This enables renderers like ReactNative to better manage redbox behavior.
+  if (logError === false) {
+    return;
+  }
+
+  var error = capturedError.error;
+  var suppressLogging = error && error.suppressReactErrorLogging;
+  if (suppressLogging) {
+    return;
+  }
+
+  {
+    var componentName = capturedError.componentName,
+        componentStack = capturedError.componentStack,
+        errorBoundaryName = capturedError.errorBoundaryName,
+        errorBoundaryFound = capturedError.errorBoundaryFound,
+        willRetry = capturedError.willRetry;
+
+
+    var componentNameMessage = componentName ? 'The above error occurred in the <' + componentName + '> component:' : 'The above error occurred in one of your React components:';
+
+    var errorBoundaryMessage = void 0;
+    // errorBoundaryFound check is sufficient; errorBoundaryName check is to satisfy Flow.
+    if (errorBoundaryFound && errorBoundaryName) {
+      if (willRetry) {
+        errorBoundaryMessage = 'React will try to recreate this component tree from scratch ' + ('using the error boundary you provided, ' + errorBoundaryName + '.');
+      } else {
+        errorBoundaryMessage = 'This error was initially handled by the error boundary ' + errorBoundaryName + '.\n' + 'Recreating the tree from scratch failed so React will unmount the tree.';
+      }
+    } else {
+      errorBoundaryMessage = 'Consider adding an error boundary to your tree to customize error handling behavior.\n' + 'Visit https://fb.me/react-error-boundaries to learn more about error boundaries.';
+    }
+    var combinedMessage = '' + componentNameMessage + componentStack + '\n\n' + ('' + errorBoundaryMessage);
+
+    // In development, we provide our own message with just the component stack.
+    // We don't include the original error message and JS stack because the browser
+    // has already printed it. Even if the application swallows the error, it is still
+    // displayed by the browser thanks to the DEV-only fake event trick in ReactErrorUtils.
+    console.error(combinedMessage);
+  }
+}
+
+var invokeGuardedCallback$3 = ReactErrorUtils.invokeGuardedCallback;
 var hasCaughtError$1 = ReactErrorUtils.hasCaughtError;
 var clearCaughtError$1 = ReactErrorUtils.clearCaughtError;
 
 
-var ReactFiberCommitWork = function (config, captureError) {
+var didWarnAboutUndefinedSnapshotBeforeUpdate = null;
+{
+  didWarnAboutUndefinedSnapshotBeforeUpdate = new Set();
+}
+
+function logError(boundary, errorInfo) {
+  var source = errorInfo.source;
+  var stack = errorInfo.stack;
+  if (stack === null) {
+    stack = getStackAddendumByWorkInProgressFiber(source);
+  }
+
+  var capturedError = {
+    componentName: source !== null ? getComponentName(source) : null,
+    componentStack: stack !== null ? stack : '',
+    error: errorInfo.value,
+    errorBoundary: null,
+    errorBoundaryName: null,
+    errorBoundaryFound: false,
+    willRetry: false
+  };
+
+  if (boundary !== null && boundary.tag === ClassComponent) {
+    capturedError.errorBoundary = boundary.stateNode;
+    capturedError.errorBoundaryName = getComponentName(boundary);
+    capturedError.errorBoundaryFound = true;
+    capturedError.willRetry = true;
+  }
+
+  try {
+    logCapturedError(capturedError);
+  } catch (e) {
+    // Prevent cycle if logCapturedError() throws.
+    // A cycle may still occur if logCapturedError renders a component that throws.
+    var suppressLogging = e && e.suppressReactErrorLogging;
+    if (!suppressLogging) {
+      console.error(e);
+    }
+  }
+}
+
+var ReactFiberCommitWork = function (config, captureError, scheduleWork, computeExpirationForFiber, markLegacyErrorBoundaryAsFailed, recalculateCurrentTime) {
   var getPublicInstance = config.getPublicInstance,
       mutation = config.mutation,
       persistence = config.persistence;
@@ -19339,7 +20275,7 @@ var ReactFiberCommitWork = function (config, captureError) {
   // Capture errors so they don't interrupt unmounting.
   function safelyCallComponentWillUnmount(current, instance) {
     {
-      invokeGuardedCallback$2(null, callComponentWillUnmountWithTimer, null, current, instance);
+      invokeGuardedCallback$3(null, callComponentWillUnmountWithTimer, null, current, instance);
       if (hasCaughtError$1()) {
         var unmountError = clearCaughtError$1();
         captureError(current, unmountError);
@@ -19350,41 +20286,84 @@ var ReactFiberCommitWork = function (config, captureError) {
   function safelyDetachRef(current) {
     var ref = current.ref;
     if (ref !== null) {
-      {
-        invokeGuardedCallback$2(null, ref, null, null);
-        if (hasCaughtError$1()) {
-          var refError = clearCaughtError$1();
-          captureError(current, refError);
+      if (typeof ref === 'function') {
+        {
+          invokeGuardedCallback$3(null, ref, null, null);
+          if (hasCaughtError$1()) {
+            var refError = clearCaughtError$1();
+            captureError(current, refError);
+          }
         }
+      } else {
+        ref.current = null;
       }
     }
   }
 
-  function commitLifeCycles(current, finishedWork) {
+  function commitBeforeMutationLifeCycles(current, finishedWork) {
     switch (finishedWork.tag) {
       case ClassComponent:
         {
-          var instance = finishedWork.stateNode;
+          if (finishedWork.effectTag & Snapshot) {
+            if (current !== null) {
+              var prevProps = current.memoizedProps;
+              var prevState = current.memoizedState;
+              startPhaseTimer(finishedWork, 'getSnapshotBeforeUpdate');
+              var _instance = finishedWork.stateNode;
+              _instance.props = finishedWork.memoizedProps;
+              _instance.state = finishedWork.memoizedState;
+              var snapshot = _instance.getSnapshotBeforeUpdate(prevProps, prevState);
+              {
+                var didWarnSet = didWarnAboutUndefinedSnapshotBeforeUpdate;
+                if (snapshot === undefined && !didWarnSet.has(finishedWork.type)) {
+                  didWarnSet.add(finishedWork.type);
+                  warning(false, '%s.getSnapshotBeforeUpdate(): A snapshot value (or null) ' + 'must be returned. You have returned undefined.', getComponentName(finishedWork));
+                }
+              }
+              _instance.__reactInternalSnapshotBeforeUpdate = snapshot;
+              stopPhaseTimer();
+            }
+          }
+          return;
+        }
+      case HostRoot:
+      case HostComponent:
+      case HostText:
+      case HostPortal:
+        // Nothing to do for these component types
+        return;
+      default:
+        {
+          invariant(false, 'This unit of work tag should not have side-effects. This error is likely caused by a bug in React. Please file an issue.');
+        }
+    }
+  }
+
+  function commitLifeCycles(finishedRoot, current, finishedWork, currentTime, committedExpirationTime) {
+    switch (finishedWork.tag) {
+      case ClassComponent:
+        {
+          var _instance2 = finishedWork.stateNode;
           if (finishedWork.effectTag & Update) {
             if (current === null) {
               startPhaseTimer(finishedWork, 'componentDidMount');
-              instance.props = finishedWork.memoizedProps;
-              instance.state = finishedWork.memoizedState;
-              instance.componentDidMount();
+              _instance2.props = finishedWork.memoizedProps;
+              _instance2.state = finishedWork.memoizedState;
+              _instance2.componentDidMount();
               stopPhaseTimer();
             } else {
               var prevProps = current.memoizedProps;
               var prevState = current.memoizedState;
               startPhaseTimer(finishedWork, 'componentDidUpdate');
-              instance.props = finishedWork.memoizedProps;
-              instance.state = finishedWork.memoizedState;
-              instance.componentDidUpdate(prevProps, prevState);
+              _instance2.props = finishedWork.memoizedProps;
+              _instance2.state = finishedWork.memoizedState;
+              _instance2.componentDidUpdate(prevProps, prevState, _instance2.__reactInternalSnapshotBeforeUpdate);
               stopPhaseTimer();
             }
           }
           var updateQueue = finishedWork.updateQueue;
           if (updateQueue !== null) {
-            commitCallbacks(updateQueue, instance);
+            commitCallbacks(updateQueue, _instance2);
           }
           return;
         }
@@ -19392,14 +20371,24 @@ var ReactFiberCommitWork = function (config, captureError) {
         {
           var _updateQueue = finishedWork.updateQueue;
           if (_updateQueue !== null) {
-            var _instance = finishedWork.child !== null ? finishedWork.child.stateNode : null;
-            commitCallbacks(_updateQueue, _instance);
+            var _instance3 = null;
+            if (finishedWork.child !== null) {
+              switch (finishedWork.child.tag) {
+                case HostComponent:
+                  _instance3 = getPublicInstance(finishedWork.child.stateNode);
+                  break;
+                case ClassComponent:
+                  _instance3 = finishedWork.child.stateNode;
+                  break;
+              }
+            }
+            commitCallbacks(_updateQueue, _instance3);
           }
           return;
         }
       case HostComponent:
         {
-          var _instance2 = finishedWork.stateNode;
+          var _instance4 = finishedWork.stateNode;
 
           // Renderers may schedule work to be done after host components are mounted
           // (eg DOM renderer may schedule auto-focus for inputs and form controls).
@@ -19408,7 +20397,7 @@ var ReactFiberCommitWork = function (config, captureError) {
           if (current === null && finishedWork.effectTag & Update) {
             var type = finishedWork.type;
             var props = finishedWork.memoizedProps;
-            commitMount(_instance2, type, props, finishedWork);
+            commitMount(_instance4, type, props, finishedWork);
           }
 
           return;
@@ -19430,16 +20419,79 @@ var ReactFiberCommitWork = function (config, captureError) {
     }
   }
 
+  function commitErrorLogging(finishedWork, onUncaughtError) {
+    switch (finishedWork.tag) {
+      case ClassComponent:
+        {
+          var ctor = finishedWork.type;
+          var _instance5 = finishedWork.stateNode;
+          var updateQueue = finishedWork.updateQueue;
+          !(updateQueue !== null && updateQueue.capturedValues !== null) ? invariant(false, 'An error logging effect should not have been scheduled if no errors were captured. This error is likely caused by a bug in React. Please file an issue.') : void 0;
+          var capturedErrors = updateQueue.capturedValues;
+          updateQueue.capturedValues = null;
+
+          if (typeof ctor.getDerivedStateFromCatch !== 'function') {
+            // To preserve the preexisting retry behavior of error boundaries,
+            // we keep track of which ones already failed during this batch.
+            // This gets reset before we yield back to the browser.
+            // TODO: Warn in strict mode if getDerivedStateFromCatch is
+            // not defined.
+            markLegacyErrorBoundaryAsFailed(_instance5);
+          }
+
+          _instance5.props = finishedWork.memoizedProps;
+          _instance5.state = finishedWork.memoizedState;
+          for (var i = 0; i < capturedErrors.length; i++) {
+            var errorInfo = capturedErrors[i];
+            var _error = errorInfo.value;
+            var stack = errorInfo.stack;
+            logError(finishedWork, errorInfo);
+            _instance5.componentDidCatch(_error, {
+              componentStack: stack !== null ? stack : ''
+            });
+          }
+        }
+        break;
+      case HostRoot:
+        {
+          var _updateQueue2 = finishedWork.updateQueue;
+          !(_updateQueue2 !== null && _updateQueue2.capturedValues !== null) ? invariant(false, 'An error logging effect should not have been scheduled if no errors were captured. This error is likely caused by a bug in React. Please file an issue.') : void 0;
+          var _capturedErrors = _updateQueue2.capturedValues;
+          _updateQueue2.capturedValues = null;
+          for (var _i = 0; _i < _capturedErrors.length; _i++) {
+            var _errorInfo = _capturedErrors[_i];
+            logError(finishedWork, _errorInfo);
+            onUncaughtError(_errorInfo.value);
+          }
+          break;
+        }
+      default:
+        invariant(false, 'This unit of work tag cannot capture errors.  This error is likely caused by a bug in React. Please file an issue.');
+    }
+  }
+
   function commitAttachRef(finishedWork) {
     var ref = finishedWork.ref;
     if (ref !== null) {
-      var instance = finishedWork.stateNode;
+      var _instance6 = finishedWork.stateNode;
+      var instanceToUse = void 0;
       switch (finishedWork.tag) {
         case HostComponent:
-          ref(getPublicInstance(instance));
+          instanceToUse = getPublicInstance(_instance6);
           break;
         default:
-          ref(instance);
+          instanceToUse = _instance6;
+      }
+      if (typeof ref === 'function') {
+        ref(instanceToUse);
+      } else {
+        {
+          if (!ref.hasOwnProperty('current')) {
+            warning(false, 'Unexpected ref object provided for %s. ' + 'Use either a ref-setter function or React.createRef().%s', getComponentName(finishedWork), getStackAddendumByWorkInProgressFiber(finishedWork));
+          }
+        }
+
+        ref.current = instanceToUse;
       }
     }
   }
@@ -19447,7 +20499,11 @@ var ReactFiberCommitWork = function (config, captureError) {
   function commitDetachRef(current) {
     var currentRef = current.ref;
     if (currentRef !== null) {
-      currentRef(null);
+      if (typeof currentRef === 'function') {
+        currentRef(null);
+      } else {
+        currentRef.current = null;
+      }
     }
   }
 
@@ -19463,9 +20519,9 @@ var ReactFiberCommitWork = function (config, captureError) {
       case ClassComponent:
         {
           safelyDetachRef(current);
-          var instance = current.stateNode;
-          if (typeof instance.componentWillUnmount === 'function') {
-            safelyCallComponentWillUnmount(current, instance);
+          var _instance7 = current.stateNode;
+          if (typeof _instance7.componentWillUnmount === 'function') {
+            safelyCallComponentWillUnmount(current, _instance7);
           }
           return;
         }
@@ -19540,13 +20596,15 @@ var ReactFiberCommitWork = function (config, captureError) {
     }
   }
 
+  var emptyPortalContainer = void 0;
+
   if (!mutation) {
     var commitContainer = void 0;
     if (persistence) {
       var replaceContainerChildren = persistence.replaceContainerChildren,
           createContainerChildSet = persistence.createContainerChildSet;
 
-      var emptyPortalContainer = function (current) {
+      emptyPortalContainer = function (current) {
         var portal = current.stateNode;
         var containerInfo = portal.containerInfo;
 
@@ -19602,6 +20660,8 @@ var ReactFiberCommitWork = function (config, captureError) {
         },
 
         commitLifeCycles: commitLifeCycles,
+        commitBeforeMutationLifeCycles: commitBeforeMutationLifeCycles,
+        commitErrorLogging: commitErrorLogging,
         commitAttachRef: commitAttachRef,
         commitDetachRef: commitDetachRef
       };
@@ -19846,8 +20906,8 @@ var ReactFiberCommitWork = function (config, captureError) {
         }
       case HostComponent:
         {
-          var instance = finishedWork.stateNode;
-          if (instance != null) {
+          var _instance8 = finishedWork.stateNode;
+          if (_instance8 != null) {
             // Commit the work prepared earlier.
             var newProps = finishedWork.memoizedProps;
             // For hydration we reuse the update path but we treat the oldProps
@@ -19859,7 +20919,7 @@ var ReactFiberCommitWork = function (config, captureError) {
             var updatePayload = finishedWork.updateQueue;
             finishedWork.updateQueue = null;
             if (updatePayload !== null) {
-              commitUpdate(instance, updatePayload, type, oldProps, newProps, finishedWork);
+              commitUpdate(_instance8, updatePayload, type, oldProps, newProps, finishedWork);
             }
           }
           return;
@@ -19893,11 +20953,13 @@ var ReactFiberCommitWork = function (config, captureError) {
 
   if (enableMutatingReconciler) {
     return {
+      commitBeforeMutationLifeCycles: commitBeforeMutationLifeCycles,
       commitResetTextContent: commitResetTextContent,
       commitPlacement: commitPlacement,
       commitDeletion: commitDeletion,
       commitWork: commitWork,
       commitLifeCycles: commitLifeCycles,
+      commitErrorLogging: commitErrorLogging,
       commitAttachRef: commitAttachRef,
       commitDetachRef: commitDetachRef
     };
@@ -19908,9 +20970,12 @@ var ReactFiberCommitWork = function (config, captureError) {
 
 var NO_CONTEXT = {};
 
-var ReactFiberHostContext = function (config) {
+var ReactFiberHostContext = function (config, stack) {
   var getChildHostContext = config.getChildHostContext,
       getRootHostContext = config.getRootHostContext;
+  var createCursor = stack.createCursor,
+      push = stack.push,
+      pop = stack.pop;
 
 
   var contextStackCursor = createCursor(NO_CONTEXT);
@@ -19931,12 +20996,19 @@ var ReactFiberHostContext = function (config) {
     // Push current root instance onto the stack;
     // This allows us to reset root when portals are popped.
     push(rootInstanceStackCursor, nextRootInstance, fiber);
-
-    var nextRootContext = getRootHostContext(nextRootInstance);
-
     // Track the context and the Fiber that provided it.
     // This enables us to pop only Fibers that provide unique contexts.
     push(contextFiberStackCursor, fiber, fiber);
+
+    // Finally, we need to push the host context to the stack.
+    // However, we can't just call getRootHostContext() and push it because
+    // we'd have a different number of entries on the stack depending on
+    // whether getRootHostContext() throws somewhere in renderer code or not.
+    // So we push an empty value first. This lets us safely unwind on errors.
+    push(contextStackCursor, NO_CONTEXT, fiber);
+    var nextRootContext = getRootHostContext(nextRootInstance);
+    // Now that we know this function doesn't throw, replace it.
+    pop(contextStackCursor, fiber);
     push(contextStackCursor, nextRootContext, fiber);
   }
 
@@ -19978,19 +21050,13 @@ var ReactFiberHostContext = function (config) {
     pop(contextFiberStackCursor, fiber);
   }
 
-  function resetHostContainer() {
-    contextStackCursor.current = NO_CONTEXT;
-    rootInstanceStackCursor.current = NO_CONTEXT;
-  }
-
   return {
     getHostContext: getHostContext,
     getRootHostContainer: getRootHostContainer,
     popHostContainer: popHostContainer,
     popHostContext: popHostContext,
     pushHostContainer: pushHostContainer,
-    pushHostContext: pushHostContext,
-    resetHostContainer: resetHostContainer
+    pushHostContext: pushHostContext
   };
 };
 
@@ -20299,78 +21365,397 @@ var ReactFiberInstrumentation = {
 
 var ReactFiberInstrumentation_1 = ReactFiberInstrumentation;
 
-var defaultShowDialog = function (capturedError) {
-  return true;
-};
+var warnedAboutMissingGetChildContext = void 0;
 
-var showDialog = defaultShowDialog;
-
-function logCapturedError(capturedError) {
-  var logError = showDialog(capturedError);
-
-  // Allow injected showDialog() to prevent default console.error logging.
-  // This enables renderers like ReactNative to better manage redbox behavior.
-  if (logError === false) {
-    return;
-  }
-
-  var error = capturedError.error;
-  var suppressLogging = error && error.suppressReactErrorLogging;
-  if (suppressLogging) {
-    return;
-  }
-
-  {
-    var componentName = capturedError.componentName,
-        componentStack = capturedError.componentStack,
-        errorBoundaryName = capturedError.errorBoundaryName,
-        errorBoundaryFound = capturedError.errorBoundaryFound,
-        willRetry = capturedError.willRetry;
-
-
-    var componentNameMessage = componentName ? 'The above error occurred in the <' + componentName + '> component:' : 'The above error occurred in one of your React components:';
-
-    var errorBoundaryMessage = void 0;
-    // errorBoundaryFound check is sufficient; errorBoundaryName check is to satisfy Flow.
-    if (errorBoundaryFound && errorBoundaryName) {
-      if (willRetry) {
-        errorBoundaryMessage = 'React will try to recreate this component tree from scratch ' + ('using the error boundary you provided, ' + errorBoundaryName + '.');
-      } else {
-        errorBoundaryMessage = 'This error was initially handled by the error boundary ' + errorBoundaryName + '.\n' + 'Recreating the tree from scratch failed so React will unmount the tree.';
-      }
-    } else {
-      errorBoundaryMessage = 'Consider adding an error boundary to your tree to customize error handling behavior.\n' + 'Visit https://fb.me/react-error-boundaries to learn more about error boundaries.';
-    }
-    var combinedMessage = '' + componentNameMessage + componentStack + '\n\n' + ('' + errorBoundaryMessage);
-
-    // In development, we provide our own message with just the component stack.
-    // We don't include the original error message and JS stack because the browser
-    // has already printed it. Even if the application swallows the error, it is still
-    // displayed by the browser thanks to the DEV-only fake event trick in ReactErrorUtils.
-    console.error(combinedMessage);
-  }
+{
+  warnedAboutMissingGetChildContext = {};
 }
 
-var invokeGuardedCallback$1 = ReactErrorUtils.invokeGuardedCallback;
+var ReactFiberLegacyContext = function (stack) {
+  var createCursor = stack.createCursor,
+      push = stack.push,
+      pop = stack.pop;
+
+  // A cursor to the current merged context object on the stack.
+
+  var contextStackCursor = createCursor(emptyObject);
+  // A cursor to a boolean indicating whether the context has changed.
+  var didPerformWorkStackCursor = createCursor(false);
+  // Keep track of the previous context object that was on the stack.
+  // We use this to get access to the parent context after we have already
+  // pushed the next context provider, and now need to merge their contexts.
+  var previousContext = emptyObject;
+
+  function getUnmaskedContext(workInProgress) {
+    var hasOwnContext = isContextProvider(workInProgress);
+    if (hasOwnContext) {
+      // If the fiber is a context provider itself, when we read its context
+      // we have already pushed its own child context on the stack. A context
+      // provider should not "see" its own child context. Therefore we read the
+      // previous (parent) context instead for a context provider.
+      return previousContext;
+    }
+    return contextStackCursor.current;
+  }
+
+  function cacheContext(workInProgress, unmaskedContext, maskedContext) {
+    var instance = workInProgress.stateNode;
+    instance.__reactInternalMemoizedUnmaskedChildContext = unmaskedContext;
+    instance.__reactInternalMemoizedMaskedChildContext = maskedContext;
+  }
+
+  function getMaskedContext(workInProgress, unmaskedContext) {
+    var type = workInProgress.type;
+    var contextTypes = type.contextTypes;
+    if (!contextTypes) {
+      return emptyObject;
+    }
+
+    // Avoid recreating masked context unless unmasked context has changed.
+    // Failing to do this will result in unnecessary calls to componentWillReceiveProps.
+    // This may trigger infinite loops if componentWillReceiveProps calls setState.
+    var instance = workInProgress.stateNode;
+    if (instance && instance.__reactInternalMemoizedUnmaskedChildContext === unmaskedContext) {
+      return instance.__reactInternalMemoizedMaskedChildContext;
+    }
+
+    var context = {};
+    for (var key in contextTypes) {
+      context[key] = unmaskedContext[key];
+    }
+
+    {
+      var name = getComponentName(workInProgress) || 'Unknown';
+      checkPropTypes(contextTypes, context, 'context', name, ReactDebugCurrentFiber.getCurrentFiberStackAddendum);
+    }
+
+    // Cache unmasked context so we can avoid recreating masked context unless necessary.
+    // Context is created before the class component is instantiated so check for instance.
+    if (instance) {
+      cacheContext(workInProgress, unmaskedContext, context);
+    }
+
+    return context;
+  }
+
+  function hasContextChanged() {
+    return didPerformWorkStackCursor.current;
+  }
+
+  function isContextConsumer(fiber) {
+    return fiber.tag === ClassComponent && fiber.type.contextTypes != null;
+  }
+
+  function isContextProvider(fiber) {
+    return fiber.tag === ClassComponent && fiber.type.childContextTypes != null;
+  }
+
+  function popContextProvider(fiber) {
+    if (!isContextProvider(fiber)) {
+      return;
+    }
+
+    pop(didPerformWorkStackCursor, fiber);
+    pop(contextStackCursor, fiber);
+  }
+
+  function popTopLevelContextObject(fiber) {
+    pop(didPerformWorkStackCursor, fiber);
+    pop(contextStackCursor, fiber);
+  }
+
+  function pushTopLevelContextObject(fiber, context, didChange) {
+    !(contextStackCursor.cursor == null) ? invariant(false, 'Unexpected context found on stack. This error is likely caused by a bug in React. Please file an issue.') : void 0;
+
+    push(contextStackCursor, context, fiber);
+    push(didPerformWorkStackCursor, didChange, fiber);
+  }
+
+  function processChildContext(fiber, parentContext) {
+    var instance = fiber.stateNode;
+    var childContextTypes = fiber.type.childContextTypes;
+
+    // TODO (bvaughn) Replace this behavior with an invariant() in the future.
+    // It has only been added in Fiber to match the (unintentional) behavior in Stack.
+    if (typeof instance.getChildContext !== 'function') {
+      {
+        var componentName = getComponentName(fiber) || 'Unknown';
+
+        if (!warnedAboutMissingGetChildContext[componentName]) {
+          warnedAboutMissingGetChildContext[componentName] = true;
+          warning(false, '%s.childContextTypes is specified but there is no getChildContext() method ' + 'on the instance. You can either define getChildContext() on %s or remove ' + 'childContextTypes from it.', componentName, componentName);
+        }
+      }
+      return parentContext;
+    }
+
+    var childContext = void 0;
+    {
+      ReactDebugCurrentFiber.setCurrentPhase('getChildContext');
+    }
+    startPhaseTimer(fiber, 'getChildContext');
+    childContext = instance.getChildContext();
+    stopPhaseTimer();
+    {
+      ReactDebugCurrentFiber.setCurrentPhase(null);
+    }
+    for (var contextKey in childContext) {
+      !(contextKey in childContextTypes) ? invariant(false, '%s.getChildContext(): key "%s" is not defined in childContextTypes.', getComponentName(fiber) || 'Unknown', contextKey) : void 0;
+    }
+    {
+      var name = getComponentName(fiber) || 'Unknown';
+      checkPropTypes(childContextTypes, childContext, 'child context', name,
+      // In practice, there is one case in which we won't get a stack. It's when
+      // somebody calls unstable_renderSubtreeIntoContainer() and we process
+      // context from the parent component instance. The stack will be missing
+      // because it's outside of the reconciliation, and so the pointer has not
+      // been set. This is rare and doesn't matter. We'll also remove that API.
+      ReactDebugCurrentFiber.getCurrentFiberStackAddendum);
+    }
+
+    return _assign({}, parentContext, childContext);
+  }
+
+  function pushContextProvider(workInProgress) {
+    if (!isContextProvider(workInProgress)) {
+      return false;
+    }
+
+    var instance = workInProgress.stateNode;
+    // We push the context as early as possible to ensure stack integrity.
+    // If the instance does not exist yet, we will push null at first,
+    // and replace it on the stack later when invalidating the context.
+    var memoizedMergedChildContext = instance && instance.__reactInternalMemoizedMergedChildContext || emptyObject;
+
+    // Remember the parent context so we can merge with it later.
+    // Inherit the parent's did-perform-work value to avoid inadvertently blocking updates.
+    previousContext = contextStackCursor.current;
+    push(contextStackCursor, memoizedMergedChildContext, workInProgress);
+    push(didPerformWorkStackCursor, didPerformWorkStackCursor.current, workInProgress);
+
+    return true;
+  }
+
+  function invalidateContextProvider(workInProgress, didChange) {
+    var instance = workInProgress.stateNode;
+    !instance ? invariant(false, 'Expected to have an instance by this point. This error is likely caused by a bug in React. Please file an issue.') : void 0;
+
+    if (didChange) {
+      // Merge parent and own context.
+      // Skip this if we're not updating due to sCU.
+      // This avoids unnecessarily recomputing memoized values.
+      var mergedContext = processChildContext(workInProgress, previousContext);
+      instance.__reactInternalMemoizedMergedChildContext = mergedContext;
+
+      // Replace the old (or empty) context with the new one.
+      // It is important to unwind the context in the reverse order.
+      pop(didPerformWorkStackCursor, workInProgress);
+      pop(contextStackCursor, workInProgress);
+      // Now push the new context and mark that it has changed.
+      push(contextStackCursor, mergedContext, workInProgress);
+      push(didPerformWorkStackCursor, didChange, workInProgress);
+    } else {
+      pop(didPerformWorkStackCursor, workInProgress);
+      push(didPerformWorkStackCursor, didChange, workInProgress);
+    }
+  }
+
+  function findCurrentUnmaskedContext(fiber) {
+    // Currently this is only used with renderSubtreeIntoContainer; not sure if it
+    // makes sense elsewhere
+    !(isFiberMounted(fiber) && fiber.tag === ClassComponent) ? invariant(false, 'Expected subtree parent to be a mounted class component. This error is likely caused by a bug in React. Please file an issue.') : void 0;
+
+    var node = fiber;
+    while (node.tag !== HostRoot) {
+      if (isContextProvider(node)) {
+        return node.stateNode.__reactInternalMemoizedMergedChildContext;
+      }
+      var parent = node['return'];
+      !parent ? invariant(false, 'Found unexpected detached subtree parent. This error is likely caused by a bug in React. Please file an issue.') : void 0;
+      node = parent;
+    }
+    return node.stateNode.context;
+  }
+
+  return {
+    getUnmaskedContext: getUnmaskedContext,
+    cacheContext: cacheContext,
+    getMaskedContext: getMaskedContext,
+    hasContextChanged: hasContextChanged,
+    isContextConsumer: isContextConsumer,
+    isContextProvider: isContextProvider,
+    popContextProvider: popContextProvider,
+    popTopLevelContextObject: popTopLevelContextObject,
+    pushTopLevelContextObject: pushTopLevelContextObject,
+    processChildContext: processChildContext,
+    pushContextProvider: pushContextProvider,
+    invalidateContextProvider: invalidateContextProvider,
+    findCurrentUnmaskedContext: findCurrentUnmaskedContext
+  };
+};
+
+var ReactFiberNewContext = function (stack) {
+  var createCursor = stack.createCursor,
+      push = stack.push,
+      pop = stack.pop;
+
+
+  var providerCursor = createCursor(null);
+  var valueCursor = createCursor(null);
+  var changedBitsCursor = createCursor(0);
+
+  var rendererSigil = void 0;
+  {
+    // Use this to detect multiple renderers using the same context
+    rendererSigil = {};
+  }
+
+  function pushProvider(providerFiber) {
+    var context = providerFiber.type._context;
+
+    push(changedBitsCursor, context._changedBits, providerFiber);
+    push(valueCursor, context._currentValue, providerFiber);
+    push(providerCursor, providerFiber, providerFiber);
+
+    context._currentValue = providerFiber.pendingProps.value;
+    context._changedBits = providerFiber.stateNode;
+
+    {
+      warning(context._currentRenderer === null || context._currentRenderer === rendererSigil, 'Detected multiple renderers concurrently rendering the ' + 'same context provider. This is currently unsupported.');
+      context._currentRenderer = rendererSigil;
+    }
+  }
+
+  function popProvider(providerFiber) {
+    var changedBits = changedBitsCursor.current;
+    var currentValue = valueCursor.current;
+
+    pop(providerCursor, providerFiber);
+    pop(valueCursor, providerFiber);
+    pop(changedBitsCursor, providerFiber);
+
+    var context = providerFiber.type._context;
+    context._currentValue = currentValue;
+    context._changedBits = changedBits;
+  }
+
+  return {
+    pushProvider: pushProvider,
+    popProvider: popProvider
+  };
+};
+
+var ReactFiberStack = function () {
+  var valueStack = [];
+
+  var fiberStack = void 0;
+
+  {
+    fiberStack = [];
+  }
+
+  var index = -1;
+
+  function createCursor(defaultValue) {
+    return {
+      current: defaultValue
+    };
+  }
+
+  function isEmpty() {
+    return index === -1;
+  }
+
+  function pop(cursor, fiber) {
+    if (index < 0) {
+      {
+        warning(false, 'Unexpected pop.');
+      }
+      return;
+    }
+
+    {
+      if (fiber !== fiberStack[index]) {
+        warning(false, 'Unexpected Fiber popped.');
+      }
+    }
+
+    cursor.current = valueStack[index];
+
+    valueStack[index] = null;
+
+    {
+      fiberStack[index] = null;
+    }
+
+    index--;
+  }
+
+  function push(cursor, value, fiber) {
+    index++;
+
+    valueStack[index] = cursor.current;
+
+    {
+      fiberStack[index] = fiber;
+    }
+
+    cursor.current = value;
+  }
+
+  function checkThatStackIsEmpty() {
+    {
+      if (index !== -1) {
+        warning(false, 'Expected an empty stack. Something was not reset properly.');
+      }
+    }
+  }
+
+  function resetStackAfterFatalErrorInDev() {
+    {
+      index = -1;
+      valueStack.length = 0;
+      fiberStack.length = 0;
+    }
+  }
+
+  return {
+    createCursor: createCursor,
+    isEmpty: isEmpty,
+    pop: pop,
+    push: push,
+    checkThatStackIsEmpty: checkThatStackIsEmpty,
+    resetStackAfterFatalErrorInDev: resetStackAfterFatalErrorInDev
+  };
+};
+
+var invokeGuardedCallback$2 = ReactErrorUtils.invokeGuardedCallback;
 var hasCaughtError = ReactErrorUtils.hasCaughtError;
 var clearCaughtError = ReactErrorUtils.clearCaughtError;
 
 
+var didWarnAboutStateTransition = void 0;
+var didWarnSetStateChildContext = void 0;
+var warnAboutUpdateOnUnmounted = void 0;
+var warnAboutInvalidUpdates = void 0;
+
 {
-  var didWarnAboutStateTransition = false;
-  var didWarnSetStateChildContext = false;
+  didWarnAboutStateTransition = false;
+  didWarnSetStateChildContext = false;
   var didWarnStateUpdateForUnmountedComponent = {};
 
-  var warnAboutUpdateOnUnmounted = function (fiber) {
+  warnAboutUpdateOnUnmounted = function (fiber) {
+    // We show the whole stack but dedupe on the top component's name because
+    // the problematic code almost always lies inside that component.
     var componentName = getComponentName(fiber) || 'ReactClass';
     if (didWarnStateUpdateForUnmountedComponent[componentName]) {
       return;
     }
-    warning(false, 'Can only update a mounted or mounting ' + 'component. This usually means you called setState, replaceState, ' + 'or forceUpdate on an unmounted component. This is a no-op.\n\nPlease ' + 'check the code for the %s component.', componentName);
+    warning(false, "Can't call setState (or forceUpdate) on an unmounted component. This " + 'is a no-op, but it indicates a memory leak in your application. To ' + 'fix, cancel all subscriptions and asynchronous tasks in the ' + 'componentWillUnmount method.%s', getStackAddendumByWorkInProgressFiber(fiber));
     didWarnStateUpdateForUnmountedComponent[componentName] = true;
   };
 
-  var warnAboutInvalidUpdates = function (instance) {
+  warnAboutInvalidUpdates = function (instance) {
     switch (ReactDebugCurrentFiber.phase) {
       case 'getChildContext':
         if (didWarnSetStateChildContext) {
@@ -20391,39 +21776,54 @@ var clearCaughtError = ReactErrorUtils.clearCaughtError;
 }
 
 var ReactFiberScheduler = function (config) {
-  var hostContext = ReactFiberHostContext(config);
+  var stack = ReactFiberStack();
+  var hostContext = ReactFiberHostContext(config, stack);
+  var legacyContext = ReactFiberLegacyContext(stack);
+  var newContext = ReactFiberNewContext(stack);
+  var popHostContext = hostContext.popHostContext,
+      popHostContainer = hostContext.popHostContainer;
+  var popTopLevelLegacyContextObject = legacyContext.popTopLevelContextObject,
+      popLegacyContextProvider = legacyContext.popContextProvider;
+  var popProvider = newContext.popProvider;
+
   var hydrationContext = ReactFiberHydrationContext(config);
-  var popHostContainer = hostContext.popHostContainer,
-      popHostContext = hostContext.popHostContext,
-      resetHostContainer = hostContext.resetHostContainer;
 
-  var _ReactFiberBeginWork = ReactFiberBeginWork(config, hostContext, hydrationContext, scheduleWork, computeExpirationForFiber),
-      beginWork = _ReactFiberBeginWork.beginWork,
-      beginFailedWork = _ReactFiberBeginWork.beginFailedWork;
+  var _ReactFiberBeginWork = ReactFiberBeginWork(config, hostContext, legacyContext, newContext, hydrationContext, scheduleWork, computeExpirationForFiber),
+      beginWork = _ReactFiberBeginWork.beginWork;
 
-  var _ReactFiberCompleteWo = ReactFiberCompleteWork(config, hostContext, hydrationContext),
+  var _ReactFiberCompleteWo = ReactFiberCompleteWork(config, hostContext, legacyContext, newContext, hydrationContext),
       completeWork = _ReactFiberCompleteWo.completeWork;
 
-  var _ReactFiberCommitWork = ReactFiberCommitWork(config, captureError),
+  var _ReactFiberUnwindWork = ReactFiberUnwindWork(hostContext, legacyContext, newContext, scheduleWork, isAlreadyFailedLegacyErrorBoundary),
+      throwException = _ReactFiberUnwindWork.throwException,
+      unwindWork = _ReactFiberUnwindWork.unwindWork,
+      unwindInterruptedWork = _ReactFiberUnwindWork.unwindInterruptedWork;
+
+  var _ReactFiberCommitWork = ReactFiberCommitWork(config, onCommitPhaseError, scheduleWork, computeExpirationForFiber, markLegacyErrorBoundaryAsFailed, recalculateCurrentTime),
+      commitBeforeMutationLifeCycles = _ReactFiberCommitWork.commitBeforeMutationLifeCycles,
       commitResetTextContent = _ReactFiberCommitWork.commitResetTextContent,
       commitPlacement = _ReactFiberCommitWork.commitPlacement,
       commitDeletion = _ReactFiberCommitWork.commitDeletion,
       commitWork = _ReactFiberCommitWork.commitWork,
       commitLifeCycles = _ReactFiberCommitWork.commitLifeCycles,
+      commitErrorLogging = _ReactFiberCommitWork.commitErrorLogging,
       commitAttachRef = _ReactFiberCommitWork.commitAttachRef,
       commitDetachRef = _ReactFiberCommitWork.commitDetachRef;
 
   var now = config.now,
       scheduleDeferredCallback = config.scheduleDeferredCallback,
       cancelDeferredCallback = config.cancelDeferredCallback,
-      useSyncScheduling = config.useSyncScheduling,
       prepareForCommit = config.prepareForCommit,
       resetAfterCommit = config.resetAfterCommit;
 
   // Represents the current time in ms.
 
-  var startTime = now();
+  var originalStartTimeMs = now();
   var mostRecentCurrentTime = msToExpirationTime(0);
+  var mostRecentCurrentTimeMs = originalStartTimeMs;
+
+  // Used to ensure computeUniqueAsyncExpiration is monotonically increases.
+  var lastUniqueAsyncExpiration = 0;
 
   // Represents the expiration time that incoming updates should use. (If this
   // is NoWork, use the default strategy: async updates in async mode, sync
@@ -20441,31 +21841,83 @@ var ReactFiberScheduler = function (config) {
   // The next fiber with an effect that we're currently committing.
   var nextEffect = null;
 
-  // Keep track of which fibers have captured an error that need to be handled.
-  // Work is removed from this collection after componentDidCatch is called.
-  var capturedErrors = null;
-  // Keep track of which fibers have failed during the current batch of work.
-  // This is a different set than capturedErrors, because it is not reset until
-  // the end of the batch. This is needed to propagate errors correctly if a
-  // subtree fails more than once.
-  var failedBoundaries = null;
-  // Error boundaries that captured an error during the current commit.
-  var commitPhaseBoundaries = null;
-  var firstUncaughtError = null;
-  var didFatal = false;
-
   var isCommitting = false;
-  var isUnmounting = false;
+
+  var isRootReadyForCommit = false;
+
+  var legacyErrorBoundariesThatAlreadyFailed = null;
 
   // Used for performance tracking.
   var interruptedBy = null;
 
-  function resetContextStack() {
-    // Reset the stack
-    reset$1();
-    // Reset the cursors
-    resetContext();
-    resetHostContainer();
+  var stashedWorkInProgressProperties = void 0;
+  var replayUnitOfWork = void 0;
+  var isReplayingFailedUnitOfWork = void 0;
+  var originalReplayError = void 0;
+  var rethrowOriginalError = void 0;
+  if (true && replayFailedUnitOfWorkWithInvokeGuardedCallback) {
+    stashedWorkInProgressProperties = null;
+    isReplayingFailedUnitOfWork = false;
+    originalReplayError = null;
+    replayUnitOfWork = function (failedUnitOfWork, error, isAsync) {
+      // Restore the original state of the work-in-progress
+      assignFiberPropertiesInDEV(failedUnitOfWork, stashedWorkInProgressProperties);
+      switch (failedUnitOfWork.tag) {
+        case HostRoot:
+          popHostContainer(failedUnitOfWork);
+          popTopLevelLegacyContextObject(failedUnitOfWork);
+          break;
+        case HostComponent:
+          popHostContext(failedUnitOfWork);
+          break;
+        case ClassComponent:
+          popLegacyContextProvider(failedUnitOfWork);
+          break;
+        case HostPortal:
+          popHostContainer(failedUnitOfWork);
+          break;
+        case ContextProvider:
+          popProvider(failedUnitOfWork);
+          break;
+      }
+      // Replay the begin phase.
+      isReplayingFailedUnitOfWork = true;
+      originalReplayError = error;
+      invokeGuardedCallback$2(null, workLoop, null, isAsync);
+      isReplayingFailedUnitOfWork = false;
+      originalReplayError = null;
+      if (hasCaughtError()) {
+        clearCaughtError();
+      } else {
+        // If the begin phase did not fail the second time, set this pointer
+        // back to the original value.
+        nextUnitOfWork = failedUnitOfWork;
+      }
+    };
+    rethrowOriginalError = function () {
+      throw originalReplayError;
+    };
+  }
+
+  function resetStack() {
+    if (nextUnitOfWork !== null) {
+      var interruptedWork = nextUnitOfWork['return'];
+      while (interruptedWork !== null) {
+        unwindInterruptedWork(interruptedWork);
+        interruptedWork = interruptedWork['return'];
+      }
+    }
+
+    {
+      ReactStrictModeWarnings.discardPendingWarnings();
+      stack.checkThatStackIsEmpty();
+    }
+
+    nextRoot = null;
+    nextRenderExpirationTime = NoWork;
+    nextUnitOfWork = null;
+
+    isRootReadyForCommit = false;
   }
 
   function commitAllHostEffects() {
@@ -20476,6 +21928,7 @@ var ReactFiberScheduler = function (config) {
       recordEffect();
 
       var effectTag = nextEffect.effectTag;
+
       if (effectTag & ContentReset) {
         commitResetTextContent(nextEffect);
       }
@@ -20491,7 +21944,7 @@ var ReactFiberScheduler = function (config) {
       // updates, and deletions. To avoid needing to add a case for every
       // possible bitmap value, we remove the secondary effects from the
       // effect tag and switch on that value.
-      var primaryEffectTag = effectTag & ~(Callback | Err | ContentReset | Ref | PerformedWork);
+      var primaryEffectTag = effectTag & (Placement | Update | Deletion);
       switch (primaryEffectTag) {
         case Placement:
           {
@@ -20525,9 +21978,7 @@ var ReactFiberScheduler = function (config) {
           }
         case Deletion:
           {
-            isUnmounting = true;
             commitDeletion(nextEffect);
-            isUnmounting = false;
             break;
           }
       }
@@ -20539,14 +21990,41 @@ var ReactFiberScheduler = function (config) {
     }
   }
 
-  function commitAllLifeCycles() {
+  function commitBeforeMutationLifecycles() {
+    while (nextEffect !== null) {
+      var effectTag = nextEffect.effectTag;
+
+      if (effectTag & Snapshot) {
+        recordEffect();
+        var current = nextEffect.alternate;
+        commitBeforeMutationLifeCycles(current, nextEffect);
+      }
+
+      // Don't cleanup effects yet;
+      // This will be done by commitAllLifeCycles()
+      nextEffect = nextEffect.nextEffect;
+    }
+  }
+
+  function commitAllLifeCycles(finishedRoot, currentTime, committedExpirationTime) {
+    {
+      ReactStrictModeWarnings.flushPendingUnsafeLifecycleWarnings();
+
+      if (warnAboutDeprecatedLifecycles) {
+        ReactStrictModeWarnings.flushPendingDeprecationWarnings();
+      }
+    }
     while (nextEffect !== null) {
       var effectTag = nextEffect.effectTag;
 
       if (effectTag & (Update | Callback)) {
         recordEffect();
         var current = nextEffect.alternate;
-        commitLifeCycles(current, nextEffect);
+        commitLifeCycles(finishedRoot, current, nextEffect, currentTime, committedExpirationTime);
+      }
+
+      if (effectTag & ErrLog) {
+        commitErrorLogging(nextEffect, onUncaughtError);
       }
 
       if (effectTag & Ref) {
@@ -20554,11 +22032,6 @@ var ReactFiberScheduler = function (config) {
         commitAttachRef(nextEffect);
       }
 
-      if (effectTag & Err) {
-        recordEffect();
-        commitErrorHandling(nextEffect);
-      }
-
       var next = nextEffect.nextEffect;
       // Ensure that we clean these up so that we don't accidentally keep them.
       // I'm not actually sure this matters because we can't reset firstEffect
@@ -20571,18 +22044,30 @@ var ReactFiberScheduler = function (config) {
     }
   }
 
+  function isAlreadyFailedLegacyErrorBoundary(instance) {
+    return legacyErrorBoundariesThatAlreadyFailed !== null && legacyErrorBoundariesThatAlreadyFailed.has(instance);
+  }
+
+  function markLegacyErrorBoundaryAsFailed(instance) {
+    if (legacyErrorBoundariesThatAlreadyFailed === null) {
+      legacyErrorBoundariesThatAlreadyFailed = new Set([instance]);
+    } else {
+      legacyErrorBoundariesThatAlreadyFailed.add(instance);
+    }
+  }
+
   function commitRoot(finishedWork) {
-    // We keep track of this so that captureError can collect any boundaries
-    // that capture an error during the commit phase. The reason these aren't
-    // local to this function is because errors that occur during cWU are
-    // captured elsewhere, to prevent the unmount from being interrupted.
     isWorking = true;
     isCommitting = true;
     startCommitTimer();
 
     var root = finishedWork.stateNode;
     !(root.current !== finishedWork) ? invariant(false, 'Cannot commit the same tree as before. This is probably a bug related to the return field. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-    root.isReadyForCommit = false;
+    var committedExpirationTime = root.pendingCommitExpirationTime;
+    !(committedExpirationTime !== NoWork) ? invariant(false, 'Cannot commit an incomplete root. This error is likely caused by a bug in React. Please file an issue.') : void 0;
+    root.pendingCommitExpirationTime = NoWork;
+
+    var currentTime = recalculateCurrentTime();
 
     // Reset this to null before calling lifecycles
     ReactCurrentOwner.current = null;
@@ -20604,7 +22089,31 @@ var ReactFiberScheduler = function (config) {
       firstEffect = finishedWork.firstEffect;
     }
 
-    prepareForCommit();
+    prepareForCommit(root.containerInfo);
+
+    // Invoke instances of getSnapshotBeforeUpdate before mutation.
+    nextEffect = firstEffect;
+    startCommitSnapshotEffectsTimer();
+    while (nextEffect !== null) {
+      var didError = false;
+      var error = void 0;
+      {
+        invokeGuardedCallback$2(null, commitBeforeMutationLifecycles, null);
+        if (hasCaughtError()) {
+          didError = true;
+          error = clearCaughtError();
+        }
+      }
+      if (didError) {
+        !(nextEffect !== null) ? invariant(false, 'Should have next effect. This error is likely caused by a bug in React. Please file an issue.') : void 0;
+        onCommitPhaseError(nextEffect, error);
+        // Clean-up
+        if (nextEffect !== null) {
+          nextEffect = nextEffect.nextEffect;
+        }
+      }
+    }
+    stopCommitSnapshotEffectsTimer();
 
     // Commit all the side-effects within a tree. We'll do this in two passes.
     // The first pass performs all the host insertions, updates, deletions and
@@ -20612,18 +22121,18 @@ var ReactFiberScheduler = function (config) {
     nextEffect = firstEffect;
     startCommitHostEffectsTimer();
     while (nextEffect !== null) {
-      var didError = false;
+      var _didError = false;
       var _error = void 0;
       {
-        invokeGuardedCallback$1(null, commitAllHostEffects, null);
+        invokeGuardedCallback$2(null, commitAllHostEffects, null);
         if (hasCaughtError()) {
-          didError = true;
+          _didError = true;
           _error = clearCaughtError();
         }
       }
-      if (didError) {
+      if (_didError) {
         !(nextEffect !== null) ? invariant(false, 'Should have next effect. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-        captureError(nextEffect, _error);
+        onCommitPhaseError(nextEffect, _error);
         // Clean-up
         if (nextEffect !== null) {
           nextEffect = nextEffect.nextEffect;
@@ -20632,7 +22141,7 @@ var ReactFiberScheduler = function (config) {
     }
     stopCommitHostEffectsTimer();
 
-    resetAfterCommit();
+    resetAfterCommit(root.containerInfo);
 
     // The work-in-progress tree is now the current tree. This must come after
     // the first pass of the commit phase, so that the previous tree is still
@@ -20647,18 +22156,18 @@ var ReactFiberScheduler = function (config) {
     nextEffect = firstEffect;
     startCommitLifeCyclesTimer();
     while (nextEffect !== null) {
-      var _didError = false;
+      var _didError2 = false;
       var _error2 = void 0;
       {
-        invokeGuardedCallback$1(null, commitAllLifeCycles, null);
+        invokeGuardedCallback$2(null, commitAllLifeCycles, null, root, currentTime, committedExpirationTime);
         if (hasCaughtError()) {
-          _didError = true;
+          _didError2 = true;
           _error2 = clearCaughtError();
         }
       }
-      if (_didError) {
+      if (_didError2) {
         !(nextEffect !== null) ? invariant(false, 'Should have next effect. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-        captureError(nextEffect, _error2);
+        onCommitPhaseError(nextEffect, _error2);
         if (nextEffect !== null) {
           nextEffect = nextEffect.nextEffect;
         }
@@ -20676,26 +22185,12 @@ var ReactFiberScheduler = function (config) {
       ReactFiberInstrumentation_1.debugTool.onCommitWork(finishedWork);
     }
 
-    // If we caught any errors during this commit, schedule their boundaries
-    // to update.
-    if (commitPhaseBoundaries) {
-      commitPhaseBoundaries.forEach(scheduleErrorRecovery);
-      commitPhaseBoundaries = null;
-    }
-
-    if (firstUncaughtError !== null) {
-      var _error3 = firstUncaughtError;
-      firstUncaughtError = null;
-      onUncaughtError(_error3);
-    }
-
     var remainingTime = root.current.expirationTime;
-
     if (remainingTime === NoWork) {
-      capturedErrors = null;
-      failedBoundaries = null;
+      // If there's no remaining work, we can clear the set of already failed
+      // error boundaries.
+      legacyErrorBoundariesThatAlreadyFailed = null;
     }
-
     return remainingTime;
   }
 
@@ -20723,6 +22218,9 @@ var ReactFiberScheduler = function (config) {
   }
 
   function completeUnitOfWork(workInProgress) {
+    // Attempt to complete the current unit of work, then move to the
+    // next sibling. If there are no more siblings, return to the
+    // parent fiber.
     while (true) {
       // The current, flushed, state of this fiber is the alternate.
       // Ideally nothing should rely on this, but relying on it here
@@ -20732,76 +22230,130 @@ var ReactFiberScheduler = function (config) {
       {
         ReactDebugCurrentFiber.setCurrentFiber(workInProgress);
       }
-      var next = completeWork(current, workInProgress, nextRenderExpirationTime);
-      {
-        ReactDebugCurrentFiber.resetCurrentFiber();
-      }
 
       var returnFiber = workInProgress['return'];
       var siblingFiber = workInProgress.sibling;
 
-      resetExpirationTime(workInProgress, nextRenderExpirationTime);
-
-      if (next !== null) {
+      if ((workInProgress.effectTag & Incomplete) === NoEffect) {
+        // This fiber completed.
+        var next = completeWork(current, workInProgress, nextRenderExpirationTime);
         stopWorkTimer(workInProgress);
+        resetExpirationTime(workInProgress, nextRenderExpirationTime);
+        {
+          ReactDebugCurrentFiber.resetCurrentFiber();
+        }
+
+        if (next !== null) {
+          stopWorkTimer(workInProgress);
+          if (true && ReactFiberInstrumentation_1.debugTool) {
+            ReactFiberInstrumentation_1.debugTool.onCompleteWork(workInProgress);
+          }
+          // If completing this work spawned new work, do that next. We'll come
+          // back here again.
+          return next;
+        }
+
+        if (returnFiber !== null &&
+        // Do not append effects to parents if a sibling failed to complete
+        (returnFiber.effectTag & Incomplete) === NoEffect) {
+          // Append all the effects of the subtree and this fiber onto the effect
+          // list of the parent. The completion order of the children affects the
+          // side-effect order.
+          if (returnFiber.firstEffect === null) {
+            returnFiber.firstEffect = workInProgress.firstEffect;
+          }
+          if (workInProgress.lastEffect !== null) {
+            if (returnFiber.lastEffect !== null) {
+              returnFiber.lastEffect.nextEffect = workInProgress.firstEffect;
+            }
+            returnFiber.lastEffect = workInProgress.lastEffect;
+          }
+
+          // If this fiber had side-effects, we append it AFTER the children's
+          // side-effects. We can perform certain side-effects earlier if
+          // needed, by doing multiple passes over the effect list. We don't want
+          // to schedule our own side-effect on our own list because if end up
+          // reusing children we'll schedule this effect onto itself since we're
+          // at the end.
+          var effectTag = workInProgress.effectTag;
+          // Skip both NoWork and PerformedWork tags when creating the effect list.
+          // PerformedWork effect is read by React DevTools but shouldn't be committed.
+          if (effectTag > PerformedWork) {
+            if (returnFiber.lastEffect !== null) {
+              returnFiber.lastEffect.nextEffect = workInProgress;
+            } else {
+              returnFiber.firstEffect = workInProgress;
+            }
+            returnFiber.lastEffect = workInProgress;
+          }
+        }
+
         if (true && ReactFiberInstrumentation_1.debugTool) {
           ReactFiberInstrumentation_1.debugTool.onCompleteWork(workInProgress);
         }
-        // If completing this work spawned new work, do that next. We'll come
-        // back here again.
-        return next;
-      }
 
-      if (returnFiber !== null) {
-        // Append all the effects of the subtree and this fiber onto the effect
-        // list of the parent. The completion order of the children affects the
-        // side-effect order.
-        if (returnFiber.firstEffect === null) {
-          returnFiber.firstEffect = workInProgress.firstEffect;
+        if (siblingFiber !== null) {
+          // If there is more work to do in this returnFiber, do that next.
+          return siblingFiber;
+        } else if (returnFiber !== null) {
+          // If there's no more work in this returnFiber. Complete the returnFiber.
+          workInProgress = returnFiber;
+          continue;
+        } else {
+          // We've reached the root.
+          isRootReadyForCommit = true;
+          return null;
         }
-        if (workInProgress.lastEffect !== null) {
-          if (returnFiber.lastEffect !== null) {
-            returnFiber.lastEffect.nextEffect = workInProgress.firstEffect;
-          }
-          returnFiber.lastEffect = workInProgress.lastEffect;
-        }
-
-        // If this fiber had side-effects, we append it AFTER the children's
-        // side-effects. We can perform certain side-effects earlier if
-        // needed, by doing multiple passes over the effect list. We don't want
-        // to schedule our own side-effect on our own list because if end up
-        // reusing children we'll schedule this effect onto itself since we're
-        // at the end.
-        var effectTag = workInProgress.effectTag;
-        // Skip both NoWork and PerformedWork tags when creating the effect list.
-        // PerformedWork effect is read by React DevTools but shouldn't be committed.
-        if (effectTag > PerformedWork) {
-          if (returnFiber.lastEffect !== null) {
-            returnFiber.lastEffect.nextEffect = workInProgress;
-          } else {
-            returnFiber.firstEffect = workInProgress;
-          }
-          returnFiber.lastEffect = workInProgress;
-        }
-      }
-
-      stopWorkTimer(workInProgress);
-      if (true && ReactFiberInstrumentation_1.debugTool) {
-        ReactFiberInstrumentation_1.debugTool.onCompleteWork(workInProgress);
-      }
-
-      if (siblingFiber !== null) {
-        // If there is more work to do in this returnFiber, do that next.
-        return siblingFiber;
-      } else if (returnFiber !== null) {
-        // If there's no more work in this returnFiber. Complete the returnFiber.
-        workInProgress = returnFiber;
-        continue;
       } else {
-        // We've reached the root.
-        var root = workInProgress.stateNode;
-        root.isReadyForCommit = true;
-        return null;
+        // This fiber did not complete because something threw. Pop values off
+        // the stack without entering the complete phase. If this is a boundary,
+        // capture values if possible.
+        var _next = unwindWork(workInProgress);
+        // Because this fiber did not complete, don't reset its expiration time.
+        if (workInProgress.effectTag & DidCapture) {
+          // Restarting an error boundary
+          stopFailedWorkTimer(workInProgress);
+        } else {
+          stopWorkTimer(workInProgress);
+        }
+
+        {
+          ReactDebugCurrentFiber.resetCurrentFiber();
+        }
+
+        if (_next !== null) {
+          stopWorkTimer(workInProgress);
+          if (true && ReactFiberInstrumentation_1.debugTool) {
+            ReactFiberInstrumentation_1.debugTool.onCompleteWork(workInProgress);
+          }
+          // If completing this work spawned new work, do that next. We'll come
+          // back here again.
+          // Since we're restarting, remove anything that is not a host effect
+          // from the effect tag.
+          _next.effectTag &= HostEffectMask;
+          return _next;
+        }
+
+        if (returnFiber !== null) {
+          // Mark the parent fiber as incomplete and clear its effect list.
+          returnFiber.firstEffect = returnFiber.lastEffect = null;
+          returnFiber.effectTag |= Incomplete;
+        }
+
+        if (true && ReactFiberInstrumentation_1.debugTool) {
+          ReactFiberInstrumentation_1.debugTool.onCompleteWork(workInProgress);
+        }
+
+        if (siblingFiber !== null) {
+          // If there is more work to do in this returnFiber, do that next.
+          return siblingFiber;
+        } else if (returnFiber !== null) {
+          // If there's no more work in this returnFiber. Complete the returnFiber.
+          workInProgress = returnFiber;
+          continue;
+        } else {
+          return null;
+        }
       }
     }
 
@@ -20824,9 +22376,19 @@ var ReactFiberScheduler = function (config) {
       ReactDebugCurrentFiber.setCurrentFiber(workInProgress);
     }
 
+    if (true && replayFailedUnitOfWorkWithInvokeGuardedCallback) {
+      stashedWorkInProgressProperties = assignFiberPropertiesInDEV(stashedWorkInProgressProperties, workInProgress);
+    }
     var next = beginWork(current, workInProgress, nextRenderExpirationTime);
     {
       ReactDebugCurrentFiber.resetCurrentFiber();
+      if (isReplayingFailedUnitOfWork) {
+        // Currently replaying a failed unit of work. This should be unreachable,
+        // because the render phase is meant to be idempotent, and it should
+        // have thrown again. Since it didn't, rethrow the original error, so
+        // React's internal stack is not misaligned.
+        rethrowOriginalError();
+      }
     }
     if (true && ReactFiberInstrumentation_1.debugTool) {
       ReactFiberInstrumentation_1.debugTool.onBeginWork(workInProgress);
@@ -20842,50 +22404,8 @@ var ReactFiberScheduler = function (config) {
     return next;
   }
 
-  function performFailedUnitOfWork(workInProgress) {
-    // The current, flushed, state of this fiber is the alternate.
-    // Ideally nothing should rely on this, but relying on it here
-    // means that we don't need an additional field on the work in
-    // progress.
-    var current = workInProgress.alternate;
-
-    // See if beginning this work spawns more work.
-    startWorkTimer(workInProgress);
-    {
-      ReactDebugCurrentFiber.setCurrentFiber(workInProgress);
-    }
-    var next = beginFailedWork(current, workInProgress, nextRenderExpirationTime);
-    {
-      ReactDebugCurrentFiber.resetCurrentFiber();
-    }
-    if (true && ReactFiberInstrumentation_1.debugTool) {
-      ReactFiberInstrumentation_1.debugTool.onBeginWork(workInProgress);
-    }
-
-    if (next === null) {
-      // If this doesn't spawn new work, complete the current work.
-      next = completeUnitOfWork(workInProgress);
-    }
-
-    ReactCurrentOwner.current = null;
-
-    return next;
-  }
-
-  function workLoop(expirationTime) {
-    if (capturedErrors !== null) {
-      // If there are unhandled errors, switch to the slow work loop.
-      // TODO: How to avoid this check in the fast path? Maybe the renderer
-      // could keep track of which roots have unhandled errors and call a
-      // forked version of renderRoot.
-      slowWorkLoopThatChecksForFailedWork(expirationTime);
-      return;
-    }
-    if (nextRenderExpirationTime === NoWork || nextRenderExpirationTime > expirationTime) {
-      return;
-    }
-
-    if (nextRenderExpirationTime <= mostRecentCurrentTime) {
+  function workLoop(isAsync) {
+    if (!isAsync) {
       // Flush all expired work.
       while (nextUnitOfWork !== null) {
         nextUnitOfWork = performUnitOfWork(nextUnitOfWork);
@@ -20898,367 +22418,179 @@ var ReactFiberScheduler = function (config) {
     }
   }
 
-  function slowWorkLoopThatChecksForFailedWork(expirationTime) {
-    if (nextRenderExpirationTime === NoWork || nextRenderExpirationTime > expirationTime) {
-      return;
-    }
-
-    if (nextRenderExpirationTime <= mostRecentCurrentTime) {
-      // Flush all expired work.
-      while (nextUnitOfWork !== null) {
-        if (hasCapturedError(nextUnitOfWork)) {
-          // Use a forked version of performUnitOfWork
-          nextUnitOfWork = performFailedUnitOfWork(nextUnitOfWork);
-        } else {
-          nextUnitOfWork = performUnitOfWork(nextUnitOfWork);
-        }
-      }
-    } else {
-      // Flush asynchronous work until the deadline runs out of time.
-      while (nextUnitOfWork !== null && !shouldYield()) {
-        if (hasCapturedError(nextUnitOfWork)) {
-          // Use a forked version of performUnitOfWork
-          nextUnitOfWork = performFailedUnitOfWork(nextUnitOfWork);
-        } else {
-          nextUnitOfWork = performUnitOfWork(nextUnitOfWork);
-        }
-      }
-    }
-  }
-
-  function renderRootCatchBlock(root, failedWork, boundary, expirationTime) {
-    // We're going to restart the error boundary that captured the error.
-    // Conceptually, we're unwinding the stack. We need to unwind the
-    // context stack, too.
-    unwindContexts(failedWork, boundary);
-
-    // Restart the error boundary using a forked version of
-    // performUnitOfWork that deletes the boundary's children. The entire
-    // failed subree will be unmounted. During the commit phase, a special
-    // lifecycle method is called on the error boundary, which triggers
-    // a re-render.
-    nextUnitOfWork = performFailedUnitOfWork(boundary);
-
-    // Continue working.
-    workLoop(expirationTime);
-  }
-
-  function renderRoot(root, expirationTime) {
+  function renderRoot(root, expirationTime, isAsync) {
     !!isWorking ? invariant(false, 'renderRoot was called recursively. This error is likely caused by a bug in React. Please file an issue.') : void 0;
     isWorking = true;
 
-    // We're about to mutate the work-in-progress tree. If the root was pending
-    // commit, it no longer is: we'll need to complete it again.
-    root.isReadyForCommit = false;
-
     // Check if we're starting from a fresh stack, or if we're resuming from
     // previously yielded work.
-    if (root !== nextRoot || expirationTime !== nextRenderExpirationTime || nextUnitOfWork === null) {
+    if (expirationTime !== nextRenderExpirationTime || root !== nextRoot || nextUnitOfWork === null) {
       // Reset the stack and start working from the root.
-      resetContextStack();
+      resetStack();
       nextRoot = root;
       nextRenderExpirationTime = expirationTime;
-      nextUnitOfWork = createWorkInProgress(nextRoot.current, null, expirationTime);
+      nextUnitOfWork = createWorkInProgress(nextRoot.current, null, nextRenderExpirationTime);
+      root.pendingCommitExpirationTime = NoWork;
     }
 
+    var didFatal = false;
+
     startWorkLoopTimer(nextUnitOfWork);
 
-    var didError = false;
-    var error = null;
-    {
-      invokeGuardedCallback$1(null, workLoop, null, expirationTime);
-      if (hasCaughtError()) {
-        didError = true;
-        error = clearCaughtError();
-      }
-    }
-
-    // An error was thrown during the render phase.
-    while (didError) {
-      if (didFatal) {
-        // This was a fatal error. Don't attempt to recover from it.
-        firstUncaughtError = error;
-        break;
-      }
-
-      var failedWork = nextUnitOfWork;
-      if (failedWork === null) {
-        // An error was thrown but there's no current unit of work. This can
-        // happen during the commit phase if there's a bug in the renderer.
-        didFatal = true;
-        continue;
-      }
-
-      // "Capture" the error by finding the nearest boundary. If there is no
-      // error boundary, we use the root.
-      var boundary = captureError(failedWork, error);
-      !(boundary !== null) ? invariant(false, 'Should have found an error boundary. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-
-      if (didFatal) {
-        // The error we just captured was a fatal error. This happens
-        // when the error propagates to the root more than once.
-        continue;
-      }
-
-      didError = false;
-      error = null;
-      {
-        invokeGuardedCallback$1(null, renderRootCatchBlock, null, root, failedWork, boundary, expirationTime);
-        if (hasCaughtError()) {
-          didError = true;
-          error = clearCaughtError();
-          continue;
+    do {
+      try {
+        workLoop(isAsync);
+      } catch (thrownValue) {
+        if (nextUnitOfWork === null) {
+          // This is a fatal error.
+          didFatal = true;
+          onUncaughtError(thrownValue);
+          break;
         }
-      }
-      // We're finished working. Exit the error loop.
-      break;
-    }
 
-    var uncaughtError = firstUncaughtError;
+        if (true && replayFailedUnitOfWorkWithInvokeGuardedCallback) {
+          var failedUnitOfWork = nextUnitOfWork;
+          replayUnitOfWork(failedUnitOfWork, thrownValue, isAsync);
+        }
+
+        var sourceFiber = nextUnitOfWork;
+        var returnFiber = sourceFiber['return'];
+        if (returnFiber === null) {
+          // This is the root. The root could capture its own errors. However,
+          // we don't know if it errors before or after we pushed the host
+          // context. This information is needed to avoid a stack mismatch.
+          // Because we're not sure, treat this as a fatal error. We could track
+          // which phase it fails in, but doesn't seem worth it. At least
+          // for now.
+          didFatal = true;
+          onUncaughtError(thrownValue);
+          break;
+        }
+        throwException(returnFiber, sourceFiber, thrownValue);
+        nextUnitOfWork = completeUnitOfWork(sourceFiber);
+      }
+      break;
+    } while (true);
 
     // We're done performing work. Time to clean up.
-    stopWorkLoopTimer(interruptedBy);
-    interruptedBy = null;
+    var didCompleteRoot = false;
     isWorking = false;
-    didFatal = false;
-    firstUncaughtError = null;
 
-    if (uncaughtError !== null) {
-      onUncaughtError(uncaughtError);
-    }
-
-    return root.isReadyForCommit ? root.current.alternate : null;
-  }
-
-  // Returns the boundary that captured the error, or null if the error is ignored
-  function captureError(failedWork, error) {
-    // It is no longer valid because we exited the user code.
-    ReactCurrentOwner.current = null;
-    {
-      ReactDebugCurrentFiber.resetCurrentFiber();
-    }
-
-    // Search for the nearest error boundary.
-    var boundary = null;
-
-    // Passed to logCapturedError()
-    var errorBoundaryFound = false;
-    var willRetry = false;
-    var errorBoundaryName = null;
-
-    // Host containers are a special case. If the failed work itself is a host
-    // container, then it acts as its own boundary. In all other cases, we
-    // ignore the work itself and only search through the parents.
-    if (failedWork.tag === HostRoot) {
-      boundary = failedWork;
-
-      if (isFailedBoundary(failedWork)) {
-        // If this root already failed, there must have been an error when
-        // attempting to unmount it. This is a worst-case scenario and
-        // should only be possible if there's a bug in the renderer.
-        didFatal = true;
+    // Yield back to main thread.
+    if (didFatal) {
+      stopWorkLoopTimer(interruptedBy, didCompleteRoot);
+      interruptedBy = null;
+      // There was a fatal error.
+      {
+        stack.resetStackAfterFatalErrorInDev();
+      }
+      return null;
+    } else if (nextUnitOfWork === null) {
+      // We reached the root.
+      if (isRootReadyForCommit) {
+        didCompleteRoot = true;
+        stopWorkLoopTimer(interruptedBy, didCompleteRoot);
+        interruptedBy = null;
+        // The root successfully completed. It's ready for commit.
+        root.pendingCommitExpirationTime = expirationTime;
+        var finishedWork = root.current.alternate;
+        return finishedWork;
+      } else {
+        // The root did not complete.
+        stopWorkLoopTimer(interruptedBy, didCompleteRoot);
+        interruptedBy = null;
+        invariant(false, 'Expired work should have completed. This error is likely caused by a bug in React. Please file an issue.');
       }
     } else {
-      var node = failedWork['return'];
-      while (node !== null && boundary === null) {
-        if (node.tag === ClassComponent) {
-          var instance = node.stateNode;
-          if (typeof instance.componentDidCatch === 'function') {
-            errorBoundaryFound = true;
-            errorBoundaryName = getComponentName(node);
-
-            // Found an error boundary!
-            boundary = node;
-            willRetry = true;
-          }
-        } else if (node.tag === HostRoot) {
-          // Treat the root like a no-op error boundary
-          boundary = node;
-        }
-
-        if (isFailedBoundary(node)) {
-          // This boundary is already in a failed state.
-
-          // If we're currently unmounting, that means this error was
-          // thrown while unmounting a failed subtree. We should ignore
-          // the error.
-          if (isUnmounting) {
-            return null;
-          }
-
-          // If we're in the commit phase, we should check to see if
-          // this boundary already captured an error during this commit.
-          // This case exists because multiple errors can be thrown during
-          // a single commit without interruption.
-          if (commitPhaseBoundaries !== null && (commitPhaseBoundaries.has(node) || node.alternate !== null && commitPhaseBoundaries.has(node.alternate))) {
-            // If so, we should ignore this error.
-            return null;
-          }
-
-          // The error should propagate to the next boundary -— we keep looking.
-          boundary = null;
-          willRetry = false;
-        }
-
-        node = node['return'];
-      }
-    }
-
-    if (boundary !== null) {
-      // Add to the collection of failed boundaries. This lets us know that
-      // subsequent errors in this subtree should propagate to the next boundary.
-      if (failedBoundaries === null) {
-        failedBoundaries = new Set();
-      }
-      failedBoundaries.add(boundary);
-
-      // This method is unsafe outside of the begin and complete phases.
-      // We might be in the commit phase when an error is captured.
-      // The risk is that the return path from this Fiber may not be accurate.
-      // That risk is acceptable given the benefit of providing users more context.
-      var _componentStack = getStackAddendumByWorkInProgressFiber(failedWork);
-      var _componentName = getComponentName(failedWork);
-
-      // Add to the collection of captured errors. This is stored as a global
-      // map of errors and their component stack location keyed by the boundaries
-      // that capture them. We mostly use this Map as a Set; it's a Map only to
-      // avoid adding a field to Fiber to store the error.
-      if (capturedErrors === null) {
-        capturedErrors = new Map();
-      }
-
-      var capturedError = {
-        componentName: _componentName,
-        componentStack: _componentStack,
-        error: error,
-        errorBoundary: errorBoundaryFound ? boundary.stateNode : null,
-        errorBoundaryFound: errorBoundaryFound,
-        errorBoundaryName: errorBoundaryName,
-        willRetry: willRetry
-      };
-
-      capturedErrors.set(boundary, capturedError);
-
-      try {
-        logCapturedError(capturedError);
-      } catch (e) {
-        // Prevent cycle if logCapturedError() throws.
-        // A cycle may still occur if logCapturedError renders a component that throws.
-        var suppressLogging = e && e.suppressReactErrorLogging;
-        if (!suppressLogging) {
-          console.error(e);
-        }
-      }
-
-      // If we're in the commit phase, defer scheduling an update on the
-      // boundary until after the commit is complete
-      if (isCommitting) {
-        if (commitPhaseBoundaries === null) {
-          commitPhaseBoundaries = new Set();
-        }
-        commitPhaseBoundaries.add(boundary);
-      } else {
-        // Otherwise, schedule an update now.
-        // TODO: Is this actually necessary during the render phase? Is it
-        // possible to unwind and continue rendering at the same priority,
-        // without corrupting internal state?
-        scheduleErrorRecovery(boundary);
-      }
-      return boundary;
-    } else if (firstUncaughtError === null) {
-      // If no boundary is found, we'll need to throw the error
-      firstUncaughtError = error;
-    }
-    return null;
-  }
-
-  function hasCapturedError(fiber) {
-    // TODO: capturedErrors should store the boundary instance, to avoid needing
-    // to check the alternate.
-    return capturedErrors !== null && (capturedErrors.has(fiber) || fiber.alternate !== null && capturedErrors.has(fiber.alternate));
-  }
-
-  function isFailedBoundary(fiber) {
-    // TODO: failedBoundaries should store the boundary instance, to avoid
-    // needing to check the alternate.
-    return failedBoundaries !== null && (failedBoundaries.has(fiber) || fiber.alternate !== null && failedBoundaries.has(fiber.alternate));
-  }
-
-  function commitErrorHandling(effectfulFiber) {
-    var capturedError = void 0;
-    if (capturedErrors !== null) {
-      capturedError = capturedErrors.get(effectfulFiber);
-      capturedErrors['delete'](effectfulFiber);
-      if (capturedError == null) {
-        if (effectfulFiber.alternate !== null) {
-          effectfulFiber = effectfulFiber.alternate;
-          capturedError = capturedErrors.get(effectfulFiber);
-          capturedErrors['delete'](effectfulFiber);
-        }
-      }
-    }
-
-    !(capturedError != null) ? invariant(false, 'No error for given unit of work. This error is likely caused by a bug in React. Please file an issue.') : void 0;
-
-    switch (effectfulFiber.tag) {
-      case ClassComponent:
-        var instance = effectfulFiber.stateNode;
-
-        var info = {
-          componentStack: capturedError.componentStack
-        };
-
-        // Allow the boundary to handle the error, usually by scheduling
-        // an update to itself
-        instance.componentDidCatch(capturedError.error, info);
-        return;
-      case HostRoot:
-        if (firstUncaughtError === null) {
-          firstUncaughtError = capturedError.error;
-        }
-        return;
-      default:
-        invariant(false, 'Invalid type of work. This error is likely caused by a bug in React. Please file an issue.');
+      stopWorkLoopTimer(interruptedBy, didCompleteRoot);
+      interruptedBy = null;
+      // There's more work to do, but we ran out of time. Yield back to
+      // the renderer.
+      return null;
     }
   }
 
-  function unwindContexts(from, to) {
-    var node = from;
-    while (node !== null) {
-      switch (node.tag) {
+  function scheduleCapture(sourceFiber, boundaryFiber, value, expirationTime) {
+    // TODO: We only support dispatching errors.
+    var capturedValue = createCapturedValue(value, sourceFiber);
+    var update = {
+      expirationTime: expirationTime,
+      partialState: null,
+      callback: null,
+      isReplace: false,
+      isForced: false,
+      capturedValue: capturedValue,
+      next: null
+    };
+    insertUpdateIntoFiber(boundaryFiber, update);
+    scheduleWork(boundaryFiber, expirationTime);
+  }
+
+  function dispatch(sourceFiber, value, expirationTime) {
+    !(!isWorking || isCommitting) ? invariant(false, 'dispatch: Cannot dispatch during the render phase.') : void 0;
+
+    // TODO: Handle arrays
+
+    var fiber = sourceFiber['return'];
+    while (fiber !== null) {
+      switch (fiber.tag) {
         case ClassComponent:
-          popContextProvider(node);
-          break;
-        case HostComponent:
-          popHostContext(node);
+          var ctor = fiber.type;
+          var instance = fiber.stateNode;
+          if (typeof ctor.getDerivedStateFromCatch === 'function' || typeof instance.componentDidCatch === 'function' && !isAlreadyFailedLegacyErrorBoundary(instance)) {
+            scheduleCapture(sourceFiber, fiber, value, expirationTime);
+            return;
+          }
           break;
+        // TODO: Handle async boundaries
         case HostRoot:
-          popHostContainer(node);
-          break;
-        case HostPortal:
-          popHostContainer(node);
-          break;
+          scheduleCapture(sourceFiber, fiber, value, expirationTime);
+          return;
       }
-      if (node === to || node.alternate === to) {
-        stopFailedWorkTimer(node);
-        break;
-      } else {
-        stopWorkTimer(node);
-      }
-      node = node['return'];
+      fiber = fiber['return'];
+    }
+
+    if (sourceFiber.tag === HostRoot) {
+      // Error was thrown at the root. There is no parent, so the root
+      // itself should capture it.
+      scheduleCapture(sourceFiber, sourceFiber, value, expirationTime);
     }
   }
 
-  function computeAsyncExpiration() {
+  function onCommitPhaseError(fiber, error) {
+    return dispatch(fiber, error, Sync);
+  }
+
+  function computeAsyncExpiration(currentTime) {
     // Given the current clock time, returns an expiration time. We use rounding
     // to batch like updates together.
     // Should complete within ~1000ms. 1200ms max.
-    var currentTime = recalculateCurrentTime();
-    var expirationMs = 1000;
-    var bucketSizeMs = 200;
+    var expirationMs = 5000;
+    var bucketSizeMs = 250;
     return computeExpirationBucket(currentTime, expirationMs, bucketSizeMs);
   }
 
+  function computeInteractiveExpiration(currentTime) {
+    // Should complete within ~500ms. 600ms max.
+    var expirationMs = 500;
+    var bucketSizeMs = 100;
+    return computeExpirationBucket(currentTime, expirationMs, bucketSizeMs);
+  }
+
+  // Creates a unique async expiration time.
+  function computeUniqueAsyncExpiration() {
+    var currentTime = recalculateCurrentTime();
+    var result = computeAsyncExpiration(currentTime);
+    if (result <= lastUniqueAsyncExpiration) {
+      // Since we assume the current time monotonically increases, we only hit
+      // this branch when computeUniqueAsyncExpiration is fired multiple times
+      // within a 200ms window (or whatever the async bucket size is).
+      result = lastUniqueAsyncExpiration + 1;
+    }
+    lastUniqueAsyncExpiration = result;
+    return lastUniqueAsyncExpiration;
+  }
+
   function computeExpirationForFiber(fiber) {
     var expirationTime = void 0;
     if (expirationContext !== NoWork) {
@@ -21277,12 +22609,27 @@ var ReactFiberScheduler = function (config) {
     } else {
       // No explicit expiration context was set, and we're not currently
       // performing work. Calculate a new expiration time.
-      if (useSyncScheduling && !(fiber.internalContextTag & AsyncUpdates)) {
+      if (fiber.mode & AsyncMode) {
+        if (isBatchingInteractiveUpdates) {
+          // This is an interactive update
+          var currentTime = recalculateCurrentTime();
+          expirationTime = computeInteractiveExpiration(currentTime);
+        } else {
+          // This is an async update
+          var _currentTime = recalculateCurrentTime();
+          expirationTime = computeAsyncExpiration(_currentTime);
+        }
+      } else {
         // This is a sync update
         expirationTime = Sync;
-      } else {
-        // This is an async update
-        expirationTime = computeAsyncExpiration();
+      }
+    }
+    if (isBatchingInteractiveUpdates) {
+      // This is an interactive update. Keep track of the lowest pending
+      // interactive expiration time. This allows us to synchronously flush
+      // all interactive updates when needed.
+      if (lowestPendingInteractiveExpirationTime === NoWork || expirationTime > lowestPendingInteractiveExpirationTime) {
+        lowestPendingInteractiveExpirationTime = expirationTime;
       }
     }
     return expirationTime;
@@ -21292,19 +22639,6 @@ var ReactFiberScheduler = function (config) {
     return scheduleWorkImpl(fiber, expirationTime, false);
   }
 
-  function checkRootNeedsClearing(root, fiber, expirationTime) {
-    if (!isWorking && root === nextRoot && expirationTime < nextRenderExpirationTime) {
-      // Restart the root from the top.
-      if (nextUnitOfWork !== null) {
-        // This is an interruption. (Used for performance tracking.)
-        interruptedBy = fiber;
-      }
-      nextRoot = null;
-      nextUnitOfWork = null;
-      nextRenderExpirationTime = NoWork;
-    }
-  }
-
   function scheduleWorkImpl(fiber, expirationTime, isErrorRecovery) {
     recordScheduleUpdate();
 
@@ -21330,10 +22664,23 @@ var ReactFiberScheduler = function (config) {
       if (node['return'] === null) {
         if (node.tag === HostRoot) {
           var root = node.stateNode;
-
-          checkRootNeedsClearing(root, fiber, expirationTime);
-          requestWork(root, expirationTime);
-          checkRootNeedsClearing(root, fiber, expirationTime);
+          if (!isWorking && nextRenderExpirationTime !== NoWork && expirationTime < nextRenderExpirationTime) {
+            // This is an interruption. (Used for performance tracking.)
+            interruptedBy = fiber;
+            resetStack();
+          }
+          if (
+          // If we're in the render phase, we don't need to schedule this root
+          // for an update, because we'll do it before we exit...
+          !isWorking || isCommitting ||
+          // ...unless this is a different root than the one we're rendering.
+          nextRoot !== root) {
+            // Add this root to the root schedule.
+            requestWork(root, expirationTime);
+          }
+          if (nestedUpdateCount > NESTED_UPDATE_LIMIT) {
+            invariant(false, 'Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate. React limits the number of nested updates to prevent infinite loops.');
+          }
         } else {
           {
             if (!isErrorRecovery && fiber.tag === ClassComponent) {
@@ -21347,32 +22694,28 @@ var ReactFiberScheduler = function (config) {
     }
   }
 
-  function scheduleErrorRecovery(fiber) {
-    scheduleWorkImpl(fiber, Sync, true);
-  }
-
   function recalculateCurrentTime() {
     // Subtract initial time so it fits inside 32bits
-    var ms = now() - startTime;
-    mostRecentCurrentTime = msToExpirationTime(ms);
+    mostRecentCurrentTimeMs = now() - originalStartTimeMs;
+    mostRecentCurrentTime = msToExpirationTime(mostRecentCurrentTimeMs);
     return mostRecentCurrentTime;
   }
 
   function deferredUpdates(fn) {
     var previousExpirationContext = expirationContext;
-    expirationContext = computeAsyncExpiration();
+    var currentTime = recalculateCurrentTime();
+    expirationContext = computeAsyncExpiration(currentTime);
     try {
       return fn();
     } finally {
       expirationContext = previousExpirationContext;
     }
   }
-
-  function syncUpdates(fn) {
+  function syncUpdates(fn, a, b, c, d) {
     var previousExpirationContext = expirationContext;
     expirationContext = Sync;
     try {
-      return fn();
+      return fn(a, b, c, d);
     } finally {
       expirationContext = previousExpirationContext;
     }
@@ -21390,6 +22733,7 @@ var ReactFiberScheduler = function (config) {
   var isRendering = false;
   var nextFlushedRoot = null;
   var nextFlushedExpirationTime = NoWork;
+  var lowestPendingInteractiveExpirationTime = NoWork;
   var deadlineDidExpire = false;
   var hasUnhandledError = false;
   var unhandledError = null;
@@ -21397,6 +22741,9 @@ var ReactFiberScheduler = function (config) {
 
   var isBatchingUpdates = false;
   var isUnbatchingUpdates = false;
+  var isBatchingInteractiveUpdates = false;
+
+  var completedBatches = null;
 
   // Use these to prevent an infinite loop of nested updates
   var NESTED_UPDATE_LIMIT = 1000;
@@ -21421,7 +22768,7 @@ var ReactFiberScheduler = function (config) {
     }
 
     // Compute a timeout for the given expiration time.
-    var currentMs = now() - startTime;
+    var currentMs = now() - originalStartTimeMs;
     var expirationMs = expirationTimeToMs(expirationTime);
     var timeout = expirationMs - currentMs;
 
@@ -21432,10 +22779,35 @@ var ReactFiberScheduler = function (config) {
   // requestWork is called by the scheduler whenever a root receives an update.
   // It's up to the renderer to call renderRoot at some point in the future.
   function requestWork(root, expirationTime) {
-    if (nestedUpdateCount > NESTED_UPDATE_LIMIT) {
-      invariant(false, 'Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate. React limits the number of nested updates to prevent infinite loops.');
+    addRootToSchedule(root, expirationTime);
+
+    if (isRendering) {
+      // Prevent reentrancy. Remaining work will be scheduled at the end of
+      // the currently rendering batch.
+      return;
     }
 
+    if (isBatchingUpdates) {
+      // Flush work at the end of the batch.
+      if (isUnbatchingUpdates) {
+        // ...unless we're inside unbatchedUpdates, in which case we should
+        // flush it now.
+        nextFlushedRoot = root;
+        nextFlushedExpirationTime = Sync;
+        performWorkOnRoot(root, Sync, false);
+      }
+      return;
+    }
+
+    // TODO: Get rid of Sync and use current time?
+    if (expirationTime === Sync) {
+      performSyncWork();
+    } else {
+      scheduleCallbackWithExpiration(expirationTime);
+    }
+  }
+
+  function addRootToSchedule(root, expirationTime) {
     // Add the root to the schedule.
     // Check if this root is already part of the schedule.
     if (root.nextScheduledRoot === null) {
@@ -21457,37 +22829,11 @@ var ReactFiberScheduler = function (config) {
         root.remainingExpirationTime = expirationTime;
       }
     }
-
-    if (isRendering) {
-      // Prevent reentrancy. Remaining work will be scheduled at the end of
-      // the currently rendering batch.
-      return;
-    }
-
-    if (isBatchingUpdates) {
-      // Flush work at the end of the batch.
-      if (isUnbatchingUpdates) {
-        // ...unless we're inside unbatchedUpdates, in which case we should
-        // flush it now.
-        nextFlushedRoot = root;
-        nextFlushedExpirationTime = Sync;
-        performWorkOnRoot(nextFlushedRoot, nextFlushedExpirationTime);
-      }
-      return;
-    }
-
-    // TODO: Get rid of Sync and use current time?
-    if (expirationTime === Sync) {
-      performWork(Sync, null);
-    } else {
-      scheduleCallbackWithExpiration(expirationTime);
-    }
   }
 
   function findHighestPriorityRoot() {
     var highestPriorityWork = NoWork;
     var highestPriorityRoot = null;
-
     if (lastScheduledRoot !== null) {
       var previousScheduledRoot = lastScheduledRoot;
       var root = firstScheduledRoot;
@@ -21540,7 +22886,7 @@ var ReactFiberScheduler = function (config) {
     // If the next root is the same as the previous root, this is a nested
     // update. To prevent an infinite loop, increment the nested update count.
     var previousFlushedRoot = nextFlushedRoot;
-    if (previousFlushedRoot !== null && previousFlushedRoot === highestPriorityRoot) {
+    if (previousFlushedRoot !== null && previousFlushedRoot === highestPriorityRoot && highestPriorityWork === Sync) {
       nestedUpdateCount++;
     } else {
       // Reset whenever we switch roots.
@@ -21551,10 +22897,14 @@ var ReactFiberScheduler = function (config) {
   }
 
   function performAsyncWork(dl) {
-    performWork(NoWork, dl);
+    performWork(NoWork, true, dl);
   }
 
-  function performWork(minExpirationTime, dl) {
+  function performSyncWork() {
+    performWork(Sync, false, null);
+  }
+
+  function performWork(minExpirationTime, isAsync, dl) {
     deadline = dl;
 
     // Keep working on roots until there's no more work, or until the we reach
@@ -21563,13 +22913,20 @@ var ReactFiberScheduler = function (config) {
 
     if (enableUserTimingAPI && deadline !== null) {
       var didExpire = nextFlushedExpirationTime < recalculateCurrentTime();
-      stopRequestCallbackTimer(didExpire);
+      var timeout = expirationTimeToMs(nextFlushedExpirationTime);
+      stopRequestCallbackTimer(didExpire, timeout);
     }
 
-    while (nextFlushedRoot !== null && nextFlushedExpirationTime !== NoWork && (minExpirationTime === NoWork || nextFlushedExpirationTime <= minExpirationTime) && !deadlineDidExpire) {
-      performWorkOnRoot(nextFlushedRoot, nextFlushedExpirationTime);
-      // Find the next highest priority work.
-      findHighestPriorityRoot();
+    if (isAsync) {
+      while (nextFlushedRoot !== null && nextFlushedExpirationTime !== NoWork && (minExpirationTime === NoWork || minExpirationTime >= nextFlushedExpirationTime) && (!deadlineDidExpire || recalculateCurrentTime() >= nextFlushedExpirationTime)) {
+        performWorkOnRoot(nextFlushedRoot, nextFlushedExpirationTime, !deadlineDidExpire);
+        findHighestPriorityRoot();
+      }
+    } else {
+      while (nextFlushedRoot !== null && nextFlushedExpirationTime !== NoWork && (minExpirationTime === NoWork || minExpirationTime >= nextFlushedExpirationTime)) {
+        performWorkOnRoot(nextFlushedRoot, nextFlushedExpirationTime, false);
+        findHighestPriorityRoot();
+      }
     }
 
     // We're done flushing work. Either we ran out of time in this callback,
@@ -21588,36 +22945,68 @@ var ReactFiberScheduler = function (config) {
     // Clean-up.
     deadline = null;
     deadlineDidExpire = false;
+
+    finishRendering();
+  }
+
+  function flushRoot(root, expirationTime) {
+    !!isRendering ? invariant(false, 'work.commit(): Cannot commit while already rendering. This likely means you attempted to commit from inside a lifecycle method.') : void 0;
+    // Perform work on root as if the given expiration time is the current time.
+    // This has the effect of synchronously flushing all work up to and
+    // including the given time.
+    nextFlushedRoot = root;
+    nextFlushedExpirationTime = expirationTime;
+    performWorkOnRoot(root, expirationTime, false);
+    // Flush any sync work that was scheduled by lifecycles
+    performSyncWork();
+    finishRendering();
+  }
+
+  function finishRendering() {
     nestedUpdateCount = 0;
 
+    if (completedBatches !== null) {
+      var batches = completedBatches;
+      completedBatches = null;
+      for (var i = 0; i < batches.length; i++) {
+        var batch = batches[i];
+        try {
+          batch._onComplete();
+        } catch (error) {
+          if (!hasUnhandledError) {
+            hasUnhandledError = true;
+            unhandledError = error;
+          }
+        }
+      }
+    }
+
     if (hasUnhandledError) {
-      var _error4 = unhandledError;
+      var error = unhandledError;
       unhandledError = null;
       hasUnhandledError = false;
-      throw _error4;
+      throw error;
     }
   }
 
-  function performWorkOnRoot(root, expirationTime) {
+  function performWorkOnRoot(root, expirationTime, isAsync) {
     !!isRendering ? invariant(false, 'performWorkOnRoot was called recursively. This error is likely caused by a bug in React. Please file an issue.') : void 0;
 
     isRendering = true;
 
     // Check if this is async work or sync/expired work.
-    // TODO: Pass current time as argument to renderRoot, commitRoot
-    if (expirationTime <= recalculateCurrentTime()) {
+    if (!isAsync) {
       // Flush sync work.
       var finishedWork = root.finishedWork;
       if (finishedWork !== null) {
         // This root is already complete. We can commit it.
-        root.finishedWork = null;
-        root.remainingExpirationTime = commitRoot(finishedWork);
+        completeRoot(root, finishedWork, expirationTime);
       } else {
         root.finishedWork = null;
-        finishedWork = renderRoot(root, expirationTime);
+        finishedWork = renderRoot(root, expirationTime, false);
         if (finishedWork !== null) {
           // We've completed the root. Commit it.
-          root.remainingExpirationTime = commitRoot(finishedWork);
+          completeRoot(root, finishedWork, expirationTime);
         }
       }
     } else {
@@ -21625,17 +23014,16 @@ var ReactFiberScheduler = function (config) {
       var _finishedWork = root.finishedWork;
       if (_finishedWork !== null) {
         // This root is already complete. We can commit it.
-        root.finishedWork = null;
-        root.remainingExpirationTime = commitRoot(_finishedWork);
+        completeRoot(root, _finishedWork, expirationTime);
       } else {
         root.finishedWork = null;
-        _finishedWork = renderRoot(root, expirationTime);
+        _finishedWork = renderRoot(root, expirationTime, true);
         if (_finishedWork !== null) {
           // We've completed the root. Check the deadline one more time
           // before committing.
           if (!shouldYield()) {
             // Still time left. Commit the root.
-            root.remainingExpirationTime = commitRoot(_finishedWork);
+            completeRoot(root, _finishedWork, expirationTime);
           } else {
             // There's no time left. Mark this root as complete. We'll come
             // back and commit it later.
@@ -21648,6 +23036,29 @@ var ReactFiberScheduler = function (config) {
     isRendering = false;
   }
 
+  function completeRoot(root, finishedWork, expirationTime) {
+    // Check if there's a batch that matches this expiration time.
+    var firstBatch = root.firstBatch;
+    if (firstBatch !== null && firstBatch._expirationTime <= expirationTime) {
+      if (completedBatches === null) {
+        completedBatches = [firstBatch];
+      } else {
+        completedBatches.push(firstBatch);
+      }
+      if (firstBatch._defer) {
+        // This root is blocked from committing by a batch. Unschedule it until
+        // we receive another update.
+        root.finishedWork = finishedWork;
+        root.remainingExpirationTime = NoWork;
+        return;
+      }
+    }
+
+    // Commit the root.
+    root.finishedWork = null;
+    root.remainingExpirationTime = commitRoot(finishedWork);
+  }
+
   // When working on async work, the reconciler asks the renderer if it should
   // yield execution. For DOM, we implement this with requestIdleCallback.
   function shouldYield() {
@@ -21663,8 +23074,6 @@ var ReactFiberScheduler = function (config) {
     return true;
   }
 
-  // TODO: Not happy about this hook. Conceptually, renderRoot should return a
-  // tuple of (isReadyForCommit, didError, error)
   function onUncaughtError(error) {
     !(nextFlushedRoot !== null) ? invariant(false, 'Should be working on a root. This error is likely caused by a bug in React. Please file an issue.') : void 0;
     // Unschedule this root so we don't work on it again until there's
@@ -21686,81 +23095,153 @@ var ReactFiberScheduler = function (config) {
     } finally {
       isBatchingUpdates = previousIsBatchingUpdates;
       if (!isBatchingUpdates && !isRendering) {
-        performWork(Sync, null);
+        performSyncWork();
       }
     }
   }
 
   // TODO: Batching should be implemented at the renderer level, not inside
   // the reconciler.
-  function unbatchedUpdates(fn) {
+  function unbatchedUpdates(fn, a) {
     if (isBatchingUpdates && !isUnbatchingUpdates) {
       isUnbatchingUpdates = true;
       try {
-        return fn();
+        return fn(a);
       } finally {
         isUnbatchingUpdates = false;
       }
     }
-    return fn();
+    return fn(a);
   }
 
   // TODO: Batching should be implemented at the renderer level, not within
   // the reconciler.
-  function flushSync(fn) {
+  function flushSync(fn, a) {
+    !!isRendering ? invariant(false, 'flushSync was called from inside a lifecycle method. It cannot be called when React is already rendering.') : void 0;
     var previousIsBatchingUpdates = isBatchingUpdates;
     isBatchingUpdates = true;
     try {
-      return syncUpdates(fn);
+      return syncUpdates(fn, a);
     } finally {
       isBatchingUpdates = previousIsBatchingUpdates;
-      !!isRendering ? invariant(false, 'flushSync was called from inside a lifecycle method. It cannot be called when React is already rendering.') : void 0;
-      performWork(Sync, null);
+      performSyncWork();
+    }
+  }
+
+  function interactiveUpdates(fn, a, b) {
+    if (isBatchingInteractiveUpdates) {
+      return fn(a, b);
+    }
+    // If there are any pending interactive updates, synchronously flush them.
+    // This needs to happen before we read any handlers, because the effect of
+    // the previous event may influence which handlers are called during
+    // this event.
+    if (!isBatchingUpdates && !isRendering && lowestPendingInteractiveExpirationTime !== NoWork) {
+      // Synchronously flush pending interactive updates.
+      performWork(lowestPendingInteractiveExpirationTime, false, null);
+      lowestPendingInteractiveExpirationTime = NoWork;
+    }
+    var previousIsBatchingInteractiveUpdates = isBatchingInteractiveUpdates;
+    var previousIsBatchingUpdates = isBatchingUpdates;
+    isBatchingInteractiveUpdates = true;
+    isBatchingUpdates = true;
+    try {
+      return fn(a, b);
+    } finally {
+      isBatchingInteractiveUpdates = previousIsBatchingInteractiveUpdates;
+      isBatchingUpdates = previousIsBatchingUpdates;
+      if (!isBatchingUpdates && !isRendering) {
+        performSyncWork();
+      }
+    }
+  }
+
+  function flushInteractiveUpdates() {
+    if (!isRendering && lowestPendingInteractiveExpirationTime !== NoWork) {
+      // Synchronously flush pending interactive updates.
+      performWork(lowestPendingInteractiveExpirationTime, false, null);
+      lowestPendingInteractiveExpirationTime = NoWork;
+    }
+  }
+
+  function flushControlled(fn) {
+    var previousIsBatchingUpdates = isBatchingUpdates;
+    isBatchingUpdates = true;
+    try {
+      syncUpdates(fn);
+    } finally {
+      isBatchingUpdates = previousIsBatchingUpdates;
+      if (!isBatchingUpdates && !isRendering) {
+        performWork(Sync, false, null);
+      }
     }
   }
 
   return {
-    computeAsyncExpiration: computeAsyncExpiration,
+    recalculateCurrentTime: recalculateCurrentTime,
     computeExpirationForFiber: computeExpirationForFiber,
     scheduleWork: scheduleWork,
+    requestWork: requestWork,
+    flushRoot: flushRoot,
     batchedUpdates: batchedUpdates,
     unbatchedUpdates: unbatchedUpdates,
     flushSync: flushSync,
-    deferredUpdates: deferredUpdates
+    flushControlled: flushControlled,
+    deferredUpdates: deferredUpdates,
+    syncUpdates: syncUpdates,
+    interactiveUpdates: interactiveUpdates,
+    flushInteractiveUpdates: flushInteractiveUpdates,
+    computeUniqueAsyncExpiration: computeUniqueAsyncExpiration,
+    legacyContext: legacyContext
   };
 };
 
+var didWarnAboutNestedUpdates = void 0;
+
 {
-  var didWarnAboutNestedUpdates = false;
+  didWarnAboutNestedUpdates = false;
 }
 
 // 0 is PROD, 1 is DEV.
 // Might add PROFILE later.
 
 
-function getContextForSubtree(parentComponent) {
-  if (!parentComponent) {
-    return emptyObject;
-  }
-
-  var fiber = get(parentComponent);
-  var parentContext = findCurrentUnmaskedContext(fiber);
-  return isContextProvider(fiber) ? processChildContext(fiber, parentContext) : parentContext;
-}
-
 var ReactFiberReconciler$1 = function (config) {
   var getPublicInstance = config.getPublicInstance;
 
   var _ReactFiberScheduler = ReactFiberScheduler(config),
-      computeAsyncExpiration = _ReactFiberScheduler.computeAsyncExpiration,
+      computeUniqueAsyncExpiration = _ReactFiberScheduler.computeUniqueAsyncExpiration,
+      recalculateCurrentTime = _ReactFiberScheduler.recalculateCurrentTime,
       computeExpirationForFiber = _ReactFiberScheduler.computeExpirationForFiber,
       scheduleWork = _ReactFiberScheduler.scheduleWork,
+      requestWork = _ReactFiberScheduler.requestWork,
+      flushRoot = _ReactFiberScheduler.flushRoot,
       batchedUpdates = _ReactFiberScheduler.batchedUpdates,
       unbatchedUpdates = _ReactFiberScheduler.unbatchedUpdates,
       flushSync = _ReactFiberScheduler.flushSync,
-      deferredUpdates = _ReactFiberScheduler.deferredUpdates;
+      flushControlled = _ReactFiberScheduler.flushControlled,
+      deferredUpdates = _ReactFiberScheduler.deferredUpdates,
+      syncUpdates = _ReactFiberScheduler.syncUpdates,
+      interactiveUpdates = _ReactFiberScheduler.interactiveUpdates,
+      flushInteractiveUpdates = _ReactFiberScheduler.flushInteractiveUpdates,
+      legacyContext = _ReactFiberScheduler.legacyContext;
 
-  function scheduleTopLevelUpdate(current, element, callback) {
+  var findCurrentUnmaskedContext = legacyContext.findCurrentUnmaskedContext,
+      isContextProvider = legacyContext.isContextProvider,
+      processChildContext = legacyContext.processChildContext;
+
+
+  function getContextForSubtree(parentComponent) {
+    if (!parentComponent) {
+      return emptyObject;
+    }
+
+    var fiber = get(parentComponent);
+    var parentContext = findCurrentUnmaskedContext(fiber);
+    return isContextProvider(fiber) ? processChildContext(fiber, parentContext) : parentContext;
+  }
+
+  function scheduleRootUpdate(current, element, currentTime, expirationTime, callback) {
     {
       if (ReactDebugCurrentFiber.phase === 'render' && ReactDebugCurrentFiber.current !== null && !didWarnAboutNestedUpdates) {
         didWarnAboutNestedUpdates = true;
@@ -21773,27 +23254,45 @@ var ReactFiberReconciler$1 = function (config) {
       warning(callback === null || typeof callback === 'function', 'render(...): Expected the last optional `callback` argument to be a ' + 'function. Instead received: %s.', callback);
     }
 
-    var expirationTime = void 0;
-    // Check if the top-level element is an async wrapper component. If so,
-    // treat updates to the root as async. This is a bit weird but lets us
-    // avoid a separate `renderAsync` API.
-    if (enableAsyncSubtreeAPI && element != null && element.type != null && element.type.prototype != null && element.type.prototype.unstable_isAsyncReactComponent === true) {
-      expirationTime = computeAsyncExpiration();
-    } else {
-      expirationTime = computeExpirationForFiber(current);
-    }
-
     var update = {
       expirationTime: expirationTime,
       partialState: { element: element },
       callback: callback,
       isReplace: false,
       isForced: false,
-      nextCallback: null,
+      capturedValue: null,
       next: null
     };
     insertUpdateIntoFiber(current, update);
     scheduleWork(current, expirationTime);
+
+    return expirationTime;
+  }
+
+  function updateContainerAtExpirationTime(element, container, parentComponent, currentTime, expirationTime, callback) {
+    // TODO: If this is a nested container, this won't be the root.
+    var current = container.current;
+
+    {
+      if (ReactFiberInstrumentation_1.debugTool) {
+        if (current.alternate === null) {
+          ReactFiberInstrumentation_1.debugTool.onMountContainer(container);
+        } else if (element === null) {
+          ReactFiberInstrumentation_1.debugTool.onUnmountContainer(container);
+        } else {
+          ReactFiberInstrumentation_1.debugTool.onUpdateContainer(container);
+        }
+      }
+    }
+
+    var context = getContextForSubtree(parentComponent);
+    if (container.context === null) {
+      container.context = context;
+    } else {
+      container.pendingContext = context;
+    }
+
+    return scheduleRootUpdate(current, element, currentTime, expirationTime, callback);
   }
 
   function findHostInstance(fiber) {
@@ -21805,42 +23304,41 @@ var ReactFiberReconciler$1 = function (config) {
   }
 
   return {
-    createContainer: function (containerInfo, hydrate) {
-      return createFiberRoot(containerInfo, hydrate);
+    createContainer: function (containerInfo, isAsync, hydrate) {
+      return createFiberRoot(containerInfo, isAsync, hydrate);
     },
     updateContainer: function (element, container, parentComponent, callback) {
-      // TODO: If this is a nested container, this won't be the root.
       var current = container.current;
-
-      {
-        if (ReactFiberInstrumentation_1.debugTool) {
-          if (current.alternate === null) {
-            ReactFiberInstrumentation_1.debugTool.onMountContainer(container);
-          } else if (element === null) {
-            ReactFiberInstrumentation_1.debugTool.onUnmountContainer(container);
-          } else {
-            ReactFiberInstrumentation_1.debugTool.onUpdateContainer(container);
-          }
-        }
-      }
-
-      var context = getContextForSubtree(parentComponent);
-      if (container.context === null) {
-        container.context = context;
-      } else {
-        container.pendingContext = context;
-      }
-
-      scheduleTopLevelUpdate(current, element, callback);
+      var currentTime = recalculateCurrentTime();
+      var expirationTime = computeExpirationForFiber(current);
+      return updateContainerAtExpirationTime(element, container, parentComponent, currentTime, expirationTime, callback);
+    },
+    updateContainerAtExpirationTime: function (element, container, parentComponent, expirationTime, callback) {
+      var currentTime = recalculateCurrentTime();
+      return updateContainerAtExpirationTime(element, container, parentComponent, currentTime, expirationTime, callback);
     },
 
 
+    flushRoot: flushRoot,
+
+    requestWork: requestWork,
+
+    computeUniqueAsyncExpiration: computeUniqueAsyncExpiration,
+
     batchedUpdates: batchedUpdates,
 
     unbatchedUpdates: unbatchedUpdates,
 
     deferredUpdates: deferredUpdates,
 
+    syncUpdates: syncUpdates,
+
+    interactiveUpdates: interactiveUpdates,
+
+    flushInteractiveUpdates: flushInteractiveUpdates,
+
+    flushControlled: flushControlled,
+
     flushSync: flushSync,
 
     getPublicRootInstance: function (container) {
@@ -21916,7 +23414,7 @@ implementation) {
 
 // TODO: this is special because it gets imported during build.
 
-var ReactVersion = '16.2.0';
+var ReactVersion = '16.3.1';
 
 // a requestAnimationFrame, storing the time for the start of the frame, then
 // scheduling a postMessage which gets scheduled after paint. Within the
@@ -21927,7 +23425,7 @@ var ReactVersion = '16.2.0';
 
 {
   if (ExecutionEnvironment.canUseDOM && typeof requestAnimationFrame !== 'function') {
-    warning(false, 'React depends on requestAnimationFrame. Make sure that you load a ' + 'polyfill in older browsers. http://fb.me/react-polyfills');
+    warning(false, 'React depends on requestAnimationFrame. Make sure that you load a ' + 'polyfill in older browsers. https://fb.me/react-polyfills');
   }
 }
 
@@ -21954,14 +23452,16 @@ if (!ExecutionEnvironment.canUseDOM) {
       frameCallback({
         timeRemaining: function () {
           return Infinity;
-        }
+        },
+
+        didTimeout: false
       });
     });
   };
   cIC = function (timeoutID) {
     clearTimeout(timeoutID);
   };
-} else if (typeof requestIdleCallback !== 'function' || typeof cancelIdleCallback !== 'function') {
+} else if (alwaysUseRequestIdleCallbackPolyfill || typeof requestIdleCallback !== 'function' || typeof cancelIdleCallback !== 'function') {
   // Polyfill requestIdleCallback and cancelIdleCallback
 
   var scheduledRICCallback = null;
@@ -21977,7 +23477,7 @@ if (!ExecutionEnvironment.canUseDOM) {
   var previousFrameTime = 33;
   var activeFrameTime = 33;
 
-  var frameDeadlineObject;
+  var frameDeadlineObject = void 0;
   if (hasNativePerformanceNow) {
     frameDeadlineObject = {
       didTimeout: false,
@@ -22097,550 +23597,7 @@ if (!ExecutionEnvironment.canUseDOM) {
   cIC = window.cancelIdleCallback;
 }
 
-/**
- * Forked from fbjs/warning:
- * https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js
- *
- * Only change is we use console.warn instead of console.error,
- * and do nothing when 'console' is not supported.
- * This really simplifies the code.
- * ---
- * Similar to invariant but only logs a warning if the condition is not met.
- * This can be used to log issues in development environments in critical
- * paths. Removing the logging code for production environments will keep the
- * same logic and follow the same code paths.
- */
-
-var lowPriorityWarning = function () {};
-
-{
-  var printWarning = function (format) {
-    for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
-      args[_key - 1] = arguments[_key];
-    }
-
-    var argIndex = 0;
-    var message = 'Warning: ' + format.replace(/%s/g, function () {
-      return args[argIndex++];
-    });
-    if (typeof console !== 'undefined') {
-      console.warn(message);
-    }
-    try {
-      // --- Welcome to debugging React ---
-      // This error was thrown as a convenience so that you can use this stack
-      // to find the callsite that caused this warning to fire.
-      throw new Error(message);
-    } catch (x) {}
-  };
-
-  lowPriorityWarning = function (condition, format) {
-    if (format === undefined) {
-      throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
-    }
-    if (!condition) {
-      for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
-        args[_key2 - 2] = arguments[_key2];
-      }
-
-      printWarning.apply(undefined, [format].concat(args));
-    }
-  };
-}
-
-var lowPriorityWarning$1 = lowPriorityWarning;
-
-// isAttributeNameSafe() is currently duplicated in DOMMarkupOperations.
-// TODO: Find a better place for this.
-var VALID_ATTRIBUTE_NAME_REGEX = new RegExp('^[' + ATTRIBUTE_NAME_START_CHAR + '][' + ATTRIBUTE_NAME_CHAR + ']*$');
-var illegalAttributeNameCache = {};
-var validatedAttributeNameCache = {};
-function isAttributeNameSafe(attributeName) {
-  if (validatedAttributeNameCache.hasOwnProperty(attributeName)) {
-    return true;
-  }
-  if (illegalAttributeNameCache.hasOwnProperty(attributeName)) {
-    return false;
-  }
-  if (VALID_ATTRIBUTE_NAME_REGEX.test(attributeName)) {
-    validatedAttributeNameCache[attributeName] = true;
-    return true;
-  }
-  illegalAttributeNameCache[attributeName] = true;
-  {
-    warning(false, 'Invalid attribute name: `%s`', attributeName);
-  }
-  return false;
-}
-
-// shouldIgnoreValue() is currently duplicated in DOMMarkupOperations.
-// TODO: Find a better place for this.
-function shouldIgnoreValue(propertyInfo, value) {
-  return value == null || propertyInfo.hasBooleanValue && !value || propertyInfo.hasNumericValue && isNaN(value) || propertyInfo.hasPositiveNumericValue && value < 1 || propertyInfo.hasOverloadedBooleanValue && value === false;
-}
-
-/**
- * Operations for dealing with DOM properties.
- */
-
-
-
-
-
-/**
- * Get the value for a property on a node. Only used in DEV for SSR validation.
- * The "expected" argument is used as a hint of what the expected value is.
- * Some properties have multiple equivalent values.
- */
-function getValueForProperty(node, name, expected) {
-  {
-    var propertyInfo = getPropertyInfo(name);
-    if (propertyInfo) {
-      var mutationMethod = propertyInfo.mutationMethod;
-      if (mutationMethod || propertyInfo.mustUseProperty) {
-        return node[propertyInfo.propertyName];
-      } else {
-        var attributeName = propertyInfo.attributeName;
-
-        var stringValue = null;
-
-        if (propertyInfo.hasOverloadedBooleanValue) {
-          if (node.hasAttribute(attributeName)) {
-            var value = node.getAttribute(attributeName);
-            if (value === '') {
-              return true;
-            }
-            if (shouldIgnoreValue(propertyInfo, expected)) {
-              return value;
-            }
-            if (value === '' + expected) {
-              return expected;
-            }
-            return value;
-          }
-        } else if (node.hasAttribute(attributeName)) {
-          if (shouldIgnoreValue(propertyInfo, expected)) {
-            // We had an attribute but shouldn't have had one, so read it
-            // for the error message.
-            return node.getAttribute(attributeName);
-          }
-          if (propertyInfo.hasBooleanValue) {
-            // If this was a boolean, it doesn't matter what the value is
-            // the fact that we have it is the same as the expected.
-            return expected;
-          }
-          // Even if this property uses a namespace we use getAttribute
-          // because we assume its namespaced name is the same as our config.
-          // To use getAttributeNS we need the local name which we don't have
-          // in our config atm.
-          stringValue = node.getAttribute(attributeName);
-        }
-
-        if (shouldIgnoreValue(propertyInfo, expected)) {
-          return stringValue === null ? expected : stringValue;
-        } else if (stringValue === '' + expected) {
-          return expected;
-        } else {
-          return stringValue;
-        }
-      }
-    }
-  }
-}
-
-/**
- * Get the value for a attribute on a node. Only used in DEV for SSR validation.
- * The third argument is used as a hint of what the expected value is. Some
- * attributes have multiple equivalent values.
- */
-function getValueForAttribute(node, name, expected) {
-  {
-    if (!isAttributeNameSafe(name)) {
-      return;
-    }
-    if (!node.hasAttribute(name)) {
-      return expected === undefined ? undefined : null;
-    }
-    var value = node.getAttribute(name);
-    if (value === '' + expected) {
-      return expected;
-    }
-    return value;
-  }
-}
-
-/**
- * Sets the value for a property on a node.
- *
- * @param {DOMElement} node
- * @param {string} name
- * @param {*} value
- */
-function setValueForProperty(node, name, value) {
-  var propertyInfo = getPropertyInfo(name);
-
-  if (propertyInfo && shouldSetAttribute(name, value)) {
-    var mutationMethod = propertyInfo.mutationMethod;
-    if (mutationMethod) {
-      mutationMethod(node, value);
-    } else if (shouldIgnoreValue(propertyInfo, value)) {
-      deleteValueForProperty(node, name);
-      return;
-    } else if (propertyInfo.mustUseProperty) {
-      // Contrary to `setAttribute`, object properties are properly
-      // `toString`ed by IE8/9.
-      node[propertyInfo.propertyName] = value;
-    } else {
-      var attributeName = propertyInfo.attributeName;
-      var namespace = propertyInfo.attributeNamespace;
-      // `setAttribute` with objects becomes only `[object]` in IE8/9,
-      // ('' + value) makes it output the correct toString()-value.
-      if (namespace) {
-        node.setAttributeNS(namespace, attributeName, '' + value);
-      } else if (propertyInfo.hasBooleanValue || propertyInfo.hasOverloadedBooleanValue && value === true) {
-        node.setAttribute(attributeName, '');
-      } else {
-        node.setAttribute(attributeName, '' + value);
-      }
-    }
-  } else {
-    setValueForAttribute(node, name, shouldSetAttribute(name, value) ? value : null);
-    return;
-  }
-
-  
-}
-
-function setValueForAttribute(node, name, value) {
-  if (!isAttributeNameSafe(name)) {
-    return;
-  }
-  if (value == null) {
-    node.removeAttribute(name);
-  } else {
-    node.setAttribute(name, '' + value);
-  }
-
-  
-}
-
-/**
- * Deletes an attributes from a node.
- *
- * @param {DOMElement} node
- * @param {string} name
- */
-function deleteValueForAttribute(node, name) {
-  node.removeAttribute(name);
-}
-
-/**
- * Deletes the value for a property on a node.
- *
- * @param {DOMElement} node
- * @param {string} name
- */
-function deleteValueForProperty(node, name) {
-  var propertyInfo = getPropertyInfo(name);
-  if (propertyInfo) {
-    var mutationMethod = propertyInfo.mutationMethod;
-    if (mutationMethod) {
-      mutationMethod(node, undefined);
-    } else if (propertyInfo.mustUseProperty) {
-      var propName = propertyInfo.propertyName;
-      if (propertyInfo.hasBooleanValue) {
-        node[propName] = false;
-      } else {
-        node[propName] = '';
-      }
-    } else {
-      node.removeAttribute(propertyInfo.attributeName);
-    }
-  } else {
-    node.removeAttribute(name);
-  }
-}
-
-var ReactControlledValuePropTypes = {
-  checkPropTypes: null
-};
-
-{
-  var hasReadOnlyValue = {
-    button: true,
-    checkbox: true,
-    image: true,
-    hidden: true,
-    radio: true,
-    reset: true,
-    submit: true
-  };
-
-  var propTypes = {
-    value: function (props, propName, componentName) {
-      if (!props[propName] || hasReadOnlyValue[props.type] || props.onChange || props.readOnly || props.disabled) {
-        return null;
-      }
-      return new Error('You provided a `value` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultValue`. Otherwise, ' + 'set either `onChange` or `readOnly`.');
-    },
-    checked: function (props, propName, componentName) {
-      if (!props[propName] || props.onChange || props.readOnly || props.disabled) {
-        return null;
-      }
-      return new Error('You provided a `checked` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultChecked`. Otherwise, ' + 'set either `onChange` or `readOnly`.');
-    }
-  };
-
-  /**
-   * Provide a linked `value` attribute for controlled forms. You should not use
-   * this outside of the ReactDOM controlled form components.
-   */
-  ReactControlledValuePropTypes.checkPropTypes = function (tagName, props, getStack) {
-    checkPropTypes(propTypes, props, 'prop', tagName, getStack);
-  };
-}
-
-// TODO: direct imports like some-package/src/* are bad. Fix me.
-var getCurrentFiberOwnerName$2 = ReactDebugCurrentFiber.getCurrentFiberOwnerName;
-var getCurrentFiberStackAddendum$3 = ReactDebugCurrentFiber.getCurrentFiberStackAddendum;
-
-var didWarnValueDefaultValue = false;
-var didWarnCheckedDefaultChecked = false;
-var didWarnControlledToUncontrolled = false;
-var didWarnUncontrolledToControlled = false;
-
-function isControlled(props) {
-  var usesChecked = props.type === 'checkbox' || props.type === 'radio';
-  return usesChecked ? props.checked != null : props.value != null;
-}
-
-/**
- * Implements an <input> host component that allows setting these optional
- * props: `checked`, `value`, `defaultChecked`, and `defaultValue`.
- *
- * If `checked` or `value` are not supplied (or null/undefined), user actions
- * that affect the checked state or value will trigger updates to the element.
- *
- * If they are supplied (and not null/undefined), the rendered element will not
- * trigger updates to the element. Instead, the props must change in order for
- * the rendered element to be updated.
- *
- * The rendered element will be initialized as unchecked (or `defaultChecked`)
- * with an empty value (or `defaultValue`).
- *
- * See http://www.w3.org/TR/2012/WD-html5-20121025/the-input-element.html
- */
-
-function getHostProps(element, props) {
-  var node = element;
-  var value = props.value;
-  var checked = props.checked;
-
-  var hostProps = _assign({
-    // Make sure we set .type before any other properties (setting .value
-    // before .type means .value is lost in IE11 and below)
-    type: undefined,
-    // Make sure we set .step before .value (setting .value before .step
-    // means .value is rounded on mount, based upon step precision)
-    step: undefined,
-    // Make sure we set .min & .max before .value (to ensure proper order
-    // in corner cases such as min or max deriving from value, e.g. Issue #7170)
-    min: undefined,
-    max: undefined
-  }, props, {
-    defaultChecked: undefined,
-    defaultValue: undefined,
-    value: value != null ? value : node._wrapperState.initialValue,
-    checked: checked != null ? checked : node._wrapperState.initialChecked
-  });
-
-  return hostProps;
-}
-
-function initWrapperState(element, props) {
-  {
-    ReactControlledValuePropTypes.checkPropTypes('input', props, getCurrentFiberStackAddendum$3);
-
-    if (props.checked !== undefined && props.defaultChecked !== undefined && !didWarnCheckedDefaultChecked) {
-      warning(false, '%s contains an input of type %s with both checked and defaultChecked props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the checked prop, or the defaultChecked prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerName$2() || 'A component', props.type);
-      didWarnCheckedDefaultChecked = true;
-    }
-    if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValueDefaultValue) {
-      warning(false, '%s contains an input of type %s with both value and defaultValue props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerName$2() || 'A component', props.type);
-      didWarnValueDefaultValue = true;
-    }
-  }
-
-  var defaultValue = props.defaultValue;
-  var node = element;
-  node._wrapperState = {
-    initialChecked: props.checked != null ? props.checked : props.defaultChecked,
-    initialValue: props.value != null ? props.value : defaultValue,
-    controlled: isControlled(props)
-  };
-}
-
-function updateChecked(element, props) {
-  var node = element;
-  var checked = props.checked;
-  if (checked != null) {
-    setValueForProperty(node, 'checked', checked);
-  }
-}
-
-function updateWrapper(element, props) {
-  var node = element;
-  {
-    var controlled = isControlled(props);
-
-    if (!node._wrapperState.controlled && controlled && !didWarnUncontrolledToControlled) {
-      warning(false, 'A component is changing an uncontrolled input of type %s to be controlled. ' + 'Input elements should not switch from uncontrolled to controlled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components%s', props.type, getCurrentFiberStackAddendum$3());
-      didWarnUncontrolledToControlled = true;
-    }
-    if (node._wrapperState.controlled && !controlled && !didWarnControlledToUncontrolled) {
-      warning(false, 'A component is changing a controlled input of type %s to be uncontrolled. ' + 'Input elements should not switch from controlled to uncontrolled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components%s', props.type, getCurrentFiberStackAddendum$3());
-      didWarnControlledToUncontrolled = true;
-    }
-  }
-
-  updateChecked(element, props);
-
-  var value = props.value;
-  if (value != null) {
-    if (value === 0 && node.value === '') {
-      node.value = '0';
-      // Note: IE9 reports a number inputs as 'text', so check props instead.
-    } else if (props.type === 'number') {
-      // Simulate `input.valueAsNumber`. IE9 does not support it
-      var valueAsNumber = parseFloat(node.value) || 0;
-
-      if (
-      // eslint-disable-next-line
-      value != valueAsNumber ||
-      // eslint-disable-next-line
-      value == valueAsNumber && node.value != value) {
-        // Cast `value` to a string to ensure the value is set correctly. While
-        // browsers typically do this as necessary, jsdom doesn't.
-        node.value = '' + value;
-      }
-    } else if (node.value !== '' + value) {
-      // Cast `value` to a string to ensure the value is set correctly. While
-      // browsers typically do this as necessary, jsdom doesn't.
-      node.value = '' + value;
-    }
-  } else {
-    if (props.value == null && props.defaultValue != null) {
-      // In Chrome, assigning defaultValue to certain input types triggers input validation.
-      // For number inputs, the display value loses trailing decimal points. For email inputs,
-      // Chrome raises "The specified value <x> is not a valid email address".
-      //
-      // Here we check to see if the defaultValue has actually changed, avoiding these problems
-      // when the user is inputting text
-      //
-      // https://github.com/facebook/react/issues/7253
-      if (node.defaultValue !== '' + props.defaultValue) {
-        node.defaultValue = '' + props.defaultValue;
-      }
-    }
-    if (props.checked == null && props.defaultChecked != null) {
-      node.defaultChecked = !!props.defaultChecked;
-    }
-  }
-}
-
-function postMountWrapper(element, props) {
-  var node = element;
-
-  // Detach value from defaultValue. We won't do anything if we're working on
-  // submit or reset inputs as those values & defaultValues are linked. They
-  // are not resetable nodes so this operation doesn't matter and actually
-  // removes browser-default values (eg "Submit Query") when no value is
-  // provided.
-
-  switch (props.type) {
-    case 'submit':
-    case 'reset':
-      break;
-    case 'color':
-    case 'date':
-    case 'datetime':
-    case 'datetime-local':
-    case 'month':
-    case 'time':
-    case 'week':
-      // This fixes the no-show issue on iOS Safari and Android Chrome:
-      // https://github.com/facebook/react/issues/7233
-      node.value = '';
-      node.value = node.defaultValue;
-      break;
-    default:
-      node.value = node.value;
-      break;
-  }
-
-  // Normally, we'd just do `node.checked = node.checked` upon initial mount, less this bug
-  // this is needed to work around a chrome bug where setting defaultChecked
-  // will sometimes influence the value of checked (even after detachment).
-  // Reference: https://bugs.chromium.org/p/chromium/issues/detail?id=608416
-  // We need to temporarily unset name to avoid disrupting radio button groups.
-  var name = node.name;
-  if (name !== '') {
-    node.name = '';
-  }
-  node.defaultChecked = !node.defaultChecked;
-  node.defaultChecked = !node.defaultChecked;
-  if (name !== '') {
-    node.name = name;
-  }
-}
-
-function restoreControlledState$1(element, props) {
-  var node = element;
-  updateWrapper(node, props);
-  updateNamedCousins(node, props);
-}
-
-function updateNamedCousins(rootNode, props) {
-  var name = props.name;
-  if (props.type === 'radio' && name != null) {
-    var queryRoot = rootNode;
-
-    while (queryRoot.parentNode) {
-      queryRoot = queryRoot.parentNode;
-    }
-
-    // If `rootNode.form` was non-null, then we could try `form.elements`,
-    // but that sometimes behaves strangely in IE8. We could also try using
-    // `form.getElementsByName`, but that will only return direct children
-    // and won't include inputs that use the HTML5 `form=` attribute. Since
-    // the input might not even be in a form. It might not even be in the
-    // document. Let's just use the local `querySelectorAll` to ensure we don't
-    // miss anything.
-    var group = queryRoot.querySelectorAll('input[name=' + JSON.stringify('' + name) + '][type="radio"]');
-
-    for (var i = 0; i < group.length; i++) {
-      var otherNode = group[i];
-      if (otherNode === rootNode || otherNode.form !== rootNode.form) {
-        continue;
-      }
-      // This will throw if radio buttons rendered by different copies of React
-      // and the same name are rendered into the same form (same as #1939).
-      // That's probably okay; we don't support it just as we don't support
-      // mixing React radio buttons with non-React ones.
-      var otherProps = getFiberCurrentPropsFromNode$1(otherNode);
-      !otherProps ? invariant(false, 'ReactDOMInput: Mixing React and non-React radio inputs with the same `name` is not supported.') : void 0;
-
-      // We need update the tracked value on the named cousin since the value
-      // was changed but the input saw no event or value set
-      updateValueIfChanged(otherNode);
-
-      // If this is a controlled radio button group, forcing the input that
-      // was previously checked to update will cause it to be come re-checked
-      // as appropriate.
-      updateWrapper(otherNode, otherProps);
-    }
-  }
-}
+var didWarnSelectedSetOnOption = false;
 
 function flattenChildren(children) {
   var content = '';
@@ -22668,7 +23625,10 @@ function flattenChildren(children) {
 function validateProps(element, props) {
   // TODO (yungsters): Remove support for `selected` in <option>.
   {
-    warning(props.selected == null, 'Use the `defaultValue` or `value` props on <select> instead of ' + 'setting `selected` on <option>.');
+    if (props.selected != null && !didWarnSelectedSetOnOption) {
+      warning(false, 'Use the `defaultValue` or `value` props on <select> instead of ' + 'setting `selected` on <option>.');
+      didWarnSelectedSetOnOption = true;
+    }
   }
 }
 
@@ -22695,8 +23655,10 @@ var getCurrentFiberOwnerName$3 = ReactDebugCurrentFiber.getCurrentFiberOwnerName
 var getCurrentFiberStackAddendum$4 = ReactDebugCurrentFiber.getCurrentFiberStackAddendum;
 
 
+var didWarnValueDefaultValue$1 = void 0;
+
 {
-  var didWarnValueDefaultValue$1 = false;
+  didWarnValueDefaultValue$1 = false;
 }
 
 function getDeclarationErrorAddendum() {
@@ -23060,10 +24022,9 @@ var setInnerHTML = createMicrosoftUnsafeLocalFunction(function (node, html) {
 });
 
 /**
- * Set the textContent property of a node, ensuring that whitespace is preserved
- * even in IE8. innerText is a poor substitute for textContent and, among many
- * issues, inserts <br> instead of the literal newline chars. innerHTML behaves
- * as it should.
+ * Set the textContent property of a node. For text updates, it's faster
+ * to set the `nodeValue` of the Text node directly instead of using
+ * `.textContent` which will remove the existing node and create a new one.
  *
  * @param {DOMElement} node
  * @param {string} text
@@ -23399,167 +24360,6 @@ function isCustomComponent(tagName, props) {
   }
 }
 
-var ariaProperties = {
-  'aria-current': 0, // state
-  'aria-details': 0,
-  'aria-disabled': 0, // state
-  'aria-hidden': 0, // state
-  'aria-invalid': 0, // state
-  'aria-keyshortcuts': 0,
-  'aria-label': 0,
-  'aria-roledescription': 0,
-  // Widget Attributes
-  'aria-autocomplete': 0,
-  'aria-checked': 0,
-  'aria-expanded': 0,
-  'aria-haspopup': 0,
-  'aria-level': 0,
-  'aria-modal': 0,
-  'aria-multiline': 0,
-  'aria-multiselectable': 0,
-  'aria-orientation': 0,
-  'aria-placeholder': 0,
-  'aria-pressed': 0,
-  'aria-readonly': 0,
-  'aria-required': 0,
-  'aria-selected': 0,
-  'aria-sort': 0,
-  'aria-valuemax': 0,
-  'aria-valuemin': 0,
-  'aria-valuenow': 0,
-  'aria-valuetext': 0,
-  // Live Region Attributes
-  'aria-atomic': 0,
-  'aria-busy': 0,
-  'aria-live': 0,
-  'aria-relevant': 0,
-  // Drag-and-Drop Attributes
-  'aria-dropeffect': 0,
-  'aria-grabbed': 0,
-  // Relationship Attributes
-  'aria-activedescendant': 0,
-  'aria-colcount': 0,
-  'aria-colindex': 0,
-  'aria-colspan': 0,
-  'aria-controls': 0,
-  'aria-describedby': 0,
-  'aria-errormessage': 0,
-  'aria-flowto': 0,
-  'aria-labelledby': 0,
-  'aria-owns': 0,
-  'aria-posinset': 0,
-  'aria-rowcount': 0,
-  'aria-rowindex': 0,
-  'aria-rowspan': 0,
-  'aria-setsize': 0
-};
-
-var warnedProperties = {};
-var rARIA = new RegExp('^(aria)-[' + ATTRIBUTE_NAME_CHAR + ']*$');
-var rARIACamel = new RegExp('^(aria)[A-Z][' + ATTRIBUTE_NAME_CHAR + ']*$');
-
-var hasOwnProperty = Object.prototype.hasOwnProperty;
-
-function getStackAddendum() {
-  var stack = ReactDebugCurrentFrame.getStackAddendum();
-  return stack != null ? stack : '';
-}
-
-function validateProperty(tagName, name) {
-  if (hasOwnProperty.call(warnedProperties, name) && warnedProperties[name]) {
-    return true;
-  }
-
-  if (rARIACamel.test(name)) {
-    var ariaName = 'aria-' + name.slice(4).toLowerCase();
-    var correctName = ariaProperties.hasOwnProperty(ariaName) ? ariaName : null;
-
-    // If this is an aria-* attribute, but is not listed in the known DOM
-    // DOM properties, then it is an invalid aria-* attribute.
-    if (correctName == null) {
-      warning(false, 'Invalid ARIA attribute `%s`. ARIA attributes follow the pattern aria-* and must be lowercase.%s', name, getStackAddendum());
-      warnedProperties[name] = true;
-      return true;
-    }
-    // aria-* attributes should be lowercase; suggest the lowercase version.
-    if (name !== correctName) {
-      warning(false, 'Invalid ARIA attribute `%s`. Did you mean `%s`?%s', name, correctName, getStackAddendum());
-      warnedProperties[name] = true;
-      return true;
-    }
-  }
-
-  if (rARIA.test(name)) {
-    var lowerCasedName = name.toLowerCase();
-    var standardName = ariaProperties.hasOwnProperty(lowerCasedName) ? lowerCasedName : null;
-
-    // If this is an aria-* attribute, but is not listed in the known DOM
-    // DOM properties, then it is an invalid aria-* attribute.
-    if (standardName == null) {
-      warnedProperties[name] = true;
-      return false;
-    }
-    // aria-* attributes should be lowercase; suggest the lowercase version.
-    if (name !== standardName) {
-      warning(false, 'Unknown ARIA attribute `%s`. Did you mean `%s`?%s', name, standardName, getStackAddendum());
-      warnedProperties[name] = true;
-      return true;
-    }
-  }
-
-  return true;
-}
-
-function warnInvalidARIAProps(type, props) {
-  var invalidProps = [];
-
-  for (var key in props) {
-    var isValid = validateProperty(type, key);
-    if (!isValid) {
-      invalidProps.push(key);
-    }
-  }
-
-  var unknownPropString = invalidProps.map(function (prop) {
-    return '`' + prop + '`';
-  }).join(', ');
-
-  if (invalidProps.length === 1) {
-    warning(false, 'Invalid aria prop %s on <%s> tag. ' + 'For details, see https://fb.me/invalid-aria-prop%s', unknownPropString, type, getStackAddendum());
-  } else if (invalidProps.length > 1) {
-    warning(false, 'Invalid aria props %s on <%s> tag. ' + 'For details, see https://fb.me/invalid-aria-prop%s', unknownPropString, type, getStackAddendum());
-  }
-}
-
-function validateProperties(type, props) {
-  if (isCustomComponent(type, props)) {
-    return;
-  }
-  warnInvalidARIAProps(type, props);
-}
-
-var didWarnValueNull = false;
-
-function getStackAddendum$1() {
-  var stack = ReactDebugCurrentFrame.getStackAddendum();
-  return stack != null ? stack : '';
-}
-
-function validateProperties$1(type, props) {
-  if (type !== 'input' && type !== 'textarea' && type !== 'select') {
-    return;
-  }
-
-  if (props != null && props.value === null && !didWarnValueNull) {
-    didWarnValueNull = true;
-    if (type === 'select' && props.multiple) {
-      warning(false, '`value` prop on `%s` should not be null. ' + 'Consider using an empty array when `multiple` is set to `true` ' + 'to clear the component or `undefined` for uncontrolled components.%s', type, getStackAddendum$1());
-    } else {
-      warning(false, '`value` prop on `%s` should not be null. ' + 'Consider using an empty string to clear the component or `undefined` ' + 'for uncontrolled components.%s', type, getStackAddendum$1());
-    }
-  }
-}
-
 // When adding attributes to the HTML or SVG whitelist, be sure to
 // also add them to this module to ensure casing and incorrect name
 // warnings.
@@ -23661,6 +24461,7 @@ var possibleStandardNames = {
   multiple: 'multiple',
   muted: 'muted',
   name: 'name',
+  nomodule: 'noModule',
   nonce: 'nonce',
   novalidate: 'noValidate',
   open: 'open',
@@ -24048,21 +24849,184 @@ var possibleStandardNames = {
   zoomandpan: 'zoomAndPan'
 };
 
+var ariaProperties = {
+  'aria-current': 0, // state
+  'aria-details': 0,
+  'aria-disabled': 0, // state
+  'aria-hidden': 0, // state
+  'aria-invalid': 0, // state
+  'aria-keyshortcuts': 0,
+  'aria-label': 0,
+  'aria-roledescription': 0,
+  // Widget Attributes
+  'aria-autocomplete': 0,
+  'aria-checked': 0,
+  'aria-expanded': 0,
+  'aria-haspopup': 0,
+  'aria-level': 0,
+  'aria-modal': 0,
+  'aria-multiline': 0,
+  'aria-multiselectable': 0,
+  'aria-orientation': 0,
+  'aria-placeholder': 0,
+  'aria-pressed': 0,
+  'aria-readonly': 0,
+  'aria-required': 0,
+  'aria-selected': 0,
+  'aria-sort': 0,
+  'aria-valuemax': 0,
+  'aria-valuemin': 0,
+  'aria-valuenow': 0,
+  'aria-valuetext': 0,
+  // Live Region Attributes
+  'aria-atomic': 0,
+  'aria-busy': 0,
+  'aria-live': 0,
+  'aria-relevant': 0,
+  // Drag-and-Drop Attributes
+  'aria-dropeffect': 0,
+  'aria-grabbed': 0,
+  // Relationship Attributes
+  'aria-activedescendant': 0,
+  'aria-colcount': 0,
+  'aria-colindex': 0,
+  'aria-colspan': 0,
+  'aria-controls': 0,
+  'aria-describedby': 0,
+  'aria-errormessage': 0,
+  'aria-flowto': 0,
+  'aria-labelledby': 0,
+  'aria-owns': 0,
+  'aria-posinset': 0,
+  'aria-rowcount': 0,
+  'aria-rowindex': 0,
+  'aria-rowspan': 0,
+  'aria-setsize': 0
+};
+
+var warnedProperties = {};
+var rARIA = new RegExp('^(aria)-[' + ATTRIBUTE_NAME_CHAR + ']*$');
+var rARIACamel = new RegExp('^(aria)[A-Z][' + ATTRIBUTE_NAME_CHAR + ']*$');
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+function getStackAddendum() {
+  var stack = ReactDebugCurrentFrame.getStackAddendum();
+  return stack != null ? stack : '';
+}
+
+function validateProperty(tagName, name) {
+  if (hasOwnProperty.call(warnedProperties, name) && warnedProperties[name]) {
+    return true;
+  }
+
+  if (rARIACamel.test(name)) {
+    var ariaName = 'aria-' + name.slice(4).toLowerCase();
+    var correctName = ariaProperties.hasOwnProperty(ariaName) ? ariaName : null;
+
+    // If this is an aria-* attribute, but is not listed in the known DOM
+    // DOM properties, then it is an invalid aria-* attribute.
+    if (correctName == null) {
+      warning(false, 'Invalid ARIA attribute `%s`. ARIA attributes follow the pattern aria-* and must be lowercase.%s', name, getStackAddendum());
+      warnedProperties[name] = true;
+      return true;
+    }
+    // aria-* attributes should be lowercase; suggest the lowercase version.
+    if (name !== correctName) {
+      warning(false, 'Invalid ARIA attribute `%s`. Did you mean `%s`?%s', name, correctName, getStackAddendum());
+      warnedProperties[name] = true;
+      return true;
+    }
+  }
+
+  if (rARIA.test(name)) {
+    var lowerCasedName = name.toLowerCase();
+    var standardName = ariaProperties.hasOwnProperty(lowerCasedName) ? lowerCasedName : null;
+
+    // If this is an aria-* attribute, but is not listed in the known DOM
+    // DOM properties, then it is an invalid aria-* attribute.
+    if (standardName == null) {
+      warnedProperties[name] = true;
+      return false;
+    }
+    // aria-* attributes should be lowercase; suggest the lowercase version.
+    if (name !== standardName) {
+      warning(false, 'Unknown ARIA attribute `%s`. Did you mean `%s`?%s', name, standardName, getStackAddendum());
+      warnedProperties[name] = true;
+      return true;
+    }
+  }
+
+  return true;
+}
+
+function warnInvalidARIAProps(type, props) {
+  var invalidProps = [];
+
+  for (var key in props) {
+    var isValid = validateProperty(type, key);
+    if (!isValid) {
+      invalidProps.push(key);
+    }
+  }
+
+  var unknownPropString = invalidProps.map(function (prop) {
+    return '`' + prop + '`';
+  }).join(', ');
+
+  if (invalidProps.length === 1) {
+    warning(false, 'Invalid aria prop %s on <%s> tag. ' + 'For details, see https://fb.me/invalid-aria-prop%s', unknownPropString, type, getStackAddendum());
+  } else if (invalidProps.length > 1) {
+    warning(false, 'Invalid aria props %s on <%s> tag. ' + 'For details, see https://fb.me/invalid-aria-prop%s', unknownPropString, type, getStackAddendum());
+  }
+}
+
+function validateProperties(type, props) {
+  if (isCustomComponent(type, props)) {
+    return;
+  }
+  warnInvalidARIAProps(type, props);
+}
+
+var didWarnValueNull = false;
+
+function getStackAddendum$1() {
+  var stack = ReactDebugCurrentFrame.getStackAddendum();
+  return stack != null ? stack : '';
+}
+
+function validateProperties$1(type, props) {
+  if (type !== 'input' && type !== 'textarea' && type !== 'select') {
+    return;
+  }
+
+  if (props != null && props.value === null && !didWarnValueNull) {
+    didWarnValueNull = true;
+    if (type === 'select' && props.multiple) {
+      warning(false, '`value` prop on `%s` should not be null. ' + 'Consider using an empty array when `multiple` is set to `true` ' + 'to clear the component or `undefined` for uncontrolled components.%s', type, getStackAddendum$1());
+    } else {
+      warning(false, '`value` prop on `%s` should not be null. ' + 'Consider using an empty string to clear the component or `undefined` ' + 'for uncontrolled components.%s', type, getStackAddendum$1());
+    }
+  }
+}
+
 function getStackAddendum$2() {
   var stack = ReactDebugCurrentFrame.getStackAddendum();
   return stack != null ? stack : '';
 }
 
+var validateProperty$1 = function () {};
+
 {
   var warnedProperties$1 = {};
-  var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
+  var _hasOwnProperty = Object.prototype.hasOwnProperty;
   var EVENT_NAME_REGEX = /^on./;
   var INVALID_EVENT_NAME_REGEX = /^on[^A-Z]/;
   var rARIA$1 = new RegExp('^(aria)-[' + ATTRIBUTE_NAME_CHAR + ']*$');
   var rARIACamel$1 = new RegExp('^(aria)[A-Z][' + ATTRIBUTE_NAME_CHAR + ']*$');
 
-  var validateProperty$1 = function (tagName, name, value, canUseEventSystem) {
-    if (hasOwnProperty$1.call(warnedProperties$1, name) && warnedProperties$1[name]) {
+  validateProperty$1 = function (tagName, name, value, canUseEventSystem) {
+    if (_hasOwnProperty.call(warnedProperties$1, name) && warnedProperties$1[name]) {
       return true;
     }
 
@@ -24129,7 +25093,8 @@ function getStackAddendum$2() {
       return true;
     }
 
-    var isReserved = isReservedProp(name);
+    var propertyInfo = getPropertyInfo(name);
+    var isReserved = propertyInfo !== null && propertyInfo.type === RESERVED;
 
     // Known attributes should match the casing specified in the property config.
     if (possibleStandardNames.hasOwnProperty(lowerCasedName)) {
@@ -24147,7 +25112,7 @@ function getStackAddendum$2() {
       return true;
     }
 
-    if (typeof value === 'boolean' && !shouldAttributeAcceptBooleanValue(name)) {
+    if (typeof value === 'boolean' && shouldRemoveAttributeWithWarning(name, value, propertyInfo, false)) {
       if (value) {
         warning(false, 'Received `%s` for a non-boolean attribute `%s`.\n\n' + 'If you want to write it to the DOM, pass a string instead: ' + '%s="%s" or %s={value.toString()}.%s', value, name, name, value, name, getStackAddendum$2());
       } else {
@@ -24164,7 +25129,7 @@ function getStackAddendum$2() {
     }
 
     // Warn when a known attribute is a bad type
-    if (!shouldSetAttribute(name, value)) {
+    if (shouldRemoveAttributeWithWarning(name, value, propertyInfo, false)) {
       warnedProperties$1[name] = true;
       return false;
     }
@@ -24200,8 +25165,8 @@ function validateProperties$2(type, props, canUseEventSystem) {
 }
 
 // TODO: direct imports like some-package/src/* are bad. Fix me.
-var getCurrentFiberOwnerName$1 = ReactDebugCurrentFiber.getCurrentFiberOwnerName;
-var getCurrentFiberStackAddendum$2 = ReactDebugCurrentFiber.getCurrentFiberStackAddendum;
+var getCurrentFiberOwnerName$2 = ReactDebugCurrentFiber.getCurrentFiberOwnerName;
+var getCurrentFiberStackAddendum$3 = ReactDebugCurrentFiber.getCurrentFiberStackAddendum;
 
 var didWarnInvalidHydration = false;
 var didWarnShadyDOM = false;
@@ -24219,10 +25184,22 @@ var HTML_NAMESPACE = Namespaces.html;
 
 var getStack = emptyFunction.thatReturns('');
 
-{
-  getStack = getCurrentFiberStackAddendum$2;
+var warnedUnknownTags = void 0;
+var suppressHydrationWarning = void 0;
 
-  var warnedUnknownTags = {
+var validatePropertiesInDevelopment = void 0;
+var warnForTextDifference = void 0;
+var warnForPropDifference = void 0;
+var warnForExtraAttributes = void 0;
+var warnForInvalidEventListener = void 0;
+
+var normalizeMarkupForTextOrAttribute = void 0;
+var normalizeHTML = void 0;
+
+{
+  getStack = getCurrentFiberStackAddendum$3;
+
+  warnedUnknownTags = {
     // Chrome is the only major browser not shipping <time>. But as of July
     // 2017 it intends to ship it due to widespread usage. We intentionally
     // *don't* warn for <time> even if it's unrecognized by Chrome because
@@ -24232,7 +25209,7 @@ var getStack = emptyFunction.thatReturns('');
     dialog: true
   };
 
-  var validatePropertiesInDevelopment = function (type, props) {
+  validatePropertiesInDevelopment = function (type, props) {
     validateProperties(type, props);
     validateProperties$1(type, props);
     validateProperties$2(type, props, /* canUseEventSystem */true);
@@ -24246,12 +25223,12 @@ var getStack = emptyFunction.thatReturns('');
   var NORMALIZE_NEWLINES_REGEX = /\r\n?/g;
   var NORMALIZE_NULL_AND_REPLACEMENT_REGEX = /\u0000|\uFFFD/g;
 
-  var normalizeMarkupForTextOrAttribute = function (markup) {
+  normalizeMarkupForTextOrAttribute = function (markup) {
     var markupString = typeof markup === 'string' ? markup : '' + markup;
     return markupString.replace(NORMALIZE_NEWLINES_REGEX, '\n').replace(NORMALIZE_NULL_AND_REPLACEMENT_REGEX, '');
   };
 
-  var warnForTextDifference = function (serverText, clientText) {
+  warnForTextDifference = function (serverText, clientText) {
     if (didWarnInvalidHydration) {
       return;
     }
@@ -24264,7 +25241,7 @@ var getStack = emptyFunction.thatReturns('');
     warning(false, 'Text content did not match. Server: "%s" Client: "%s"', normalizedServerText, normalizedClientText);
   };
 
-  var warnForPropDifference = function (propName, serverValue, clientValue) {
+  warnForPropDifference = function (propName, serverValue, clientValue) {
     if (didWarnInvalidHydration) {
       return;
     }
@@ -24277,7 +25254,7 @@ var getStack = emptyFunction.thatReturns('');
     warning(false, 'Prop `%s` did not match. Server: %s Client: %s', propName, JSON.stringify(normalizedServerValue), JSON.stringify(normalizedClientValue));
   };
 
-  var warnForExtraAttributes = function (attributeNames) {
+  warnForExtraAttributes = function (attributeNames) {
     if (didWarnInvalidHydration) {
       return;
     }
@@ -24289,17 +25266,17 @@ var getStack = emptyFunction.thatReturns('');
     warning(false, 'Extra attributes from the server: %s', names);
   };
 
-  var warnForInvalidEventListener = function (registrationName, listener) {
+  warnForInvalidEventListener = function (registrationName, listener) {
     if (listener === false) {
-      warning(false, 'Expected `%s` listener to be a function, instead got `false`.\n\n' + 'If you used to conditionally omit it with %s={condition && value}, ' + 'pass %s={condition ? value : undefined} instead.%s', registrationName, registrationName, registrationName, getCurrentFiberStackAddendum$2());
+      warning(false, 'Expected `%s` listener to be a function, instead got `false`.\n\n' + 'If you used to conditionally omit it with %s={condition && value}, ' + 'pass %s={condition ? value : undefined} instead.%s', registrationName, registrationName, registrationName, getCurrentFiberStackAddendum$3());
     } else {
-      warning(false, 'Expected `%s` listener to be a function, instead got a value of `%s` type.%s', registrationName, typeof listener, getCurrentFiberStackAddendum$2());
+      warning(false, 'Expected `%s` listener to be a function, instead got a value of `%s` type.%s', registrationName, typeof listener, getCurrentFiberStackAddendum$3());
     }
   };
 
   // Parse the HTML and read it back to normalize the HTML string so that it
   // can be used for comparison.
-  var normalizeHTML = function (parent, html) {
+  normalizeHTML = function (parent, html) {
     // We could have created a separate document here to avoid
     // re-initializing custom elements if they exist. But this breaks
     // how <noscript> is being handled. So we use the same document.
@@ -24320,34 +25297,6 @@ function getOwnerDocumentFromRootContainer(rootContainerElement) {
   return rootContainerElement.nodeType === DOCUMENT_NODE ? rootContainerElement : rootContainerElement.ownerDocument;
 }
 
-// There are so many media events, it makes sense to just
-// maintain a list rather than create a `trapBubbledEvent` for each
-var mediaEvents = {
-  topAbort: 'abort',
-  topCanPlay: 'canplay',
-  topCanPlayThrough: 'canplaythrough',
-  topDurationChange: 'durationchange',
-  topEmptied: 'emptied',
-  topEncrypted: 'encrypted',
-  topEnded: 'ended',
-  topError: 'error',
-  topLoadedData: 'loadeddata',
-  topLoadedMetadata: 'loadedmetadata',
-  topLoadStart: 'loadstart',
-  topPause: 'pause',
-  topPlay: 'play',
-  topPlaying: 'playing',
-  topProgress: 'progress',
-  topRateChange: 'ratechange',
-  topSeeked: 'seeked',
-  topSeeking: 'seeking',
-  topStalled: 'stalled',
-  topSuspend: 'suspend',
-  topTimeUpdate: 'timeupdate',
-  topVolumeChange: 'volumechange',
-  topWaiting: 'waiting'
-};
-
 function trapClickOnNonInteractiveElement(node) {
   // Mobile Safari does not fire properly bubble click events on
   // non-interactive elements, which means delegated click listeners do not
@@ -24407,13 +25356,8 @@ function setInitialDOMProperties(tag, domElement, rootContainerElement, nextProp
         }
         ensureListeningTo(rootContainerElement, propKey);
       }
-    } else if (isCustomComponentTag) {
-      setValueForAttribute(domElement, propKey, nextProp);
     } else if (nextProp != null) {
-      // If we're updating to null or undefined, we should remove the property
-      // from the DOM node instead of inadvertently setting to a string. This
-      // brings us in line with the same behavior we have on initial render.
-      setValueForProperty(domElement, propKey, nextProp);
+      setValueForProperty(domElement, propKey, nextProp, isCustomComponentTag);
     }
   }
 }
@@ -24429,34 +25373,26 @@ function updateDOMProperties(domElement, updatePayload, wasCustomComponentTag, i
       setInnerHTML(domElement, propValue);
     } else if (propKey === CHILDREN) {
       setTextContent(domElement, propValue);
-    } else if (isCustomComponentTag) {
-      if (propValue != null) {
-        setValueForAttribute(domElement, propKey, propValue);
-      } else {
-        deleteValueForAttribute(domElement, propKey);
-      }
-    } else if (propValue != null) {
-      setValueForProperty(domElement, propKey, propValue);
     } else {
-      // If we're updating to null or undefined, we should remove the property
-      // from the DOM node instead of inadvertently setting to a string. This
-      // brings us in line with the same behavior we have on initial render.
-      deleteValueForProperty(domElement, propKey);
+      setValueForProperty(domElement, propKey, propValue, isCustomComponentTag);
     }
   }
 }
 
 function createElement$1(type, props, rootContainerElement, parentNamespace) {
+  var isCustomComponentTag = void 0;
+
   // We create tags in the namespace of their parent container, except HTML
+  // tags get no namespace.
   var ownerDocument = getOwnerDocumentFromRootContainer(rootContainerElement);
-  var domElement;
+  var domElement = void 0;
   var namespaceURI = parentNamespace;
   if (namespaceURI === HTML_NAMESPACE) {
     namespaceURI = getIntrinsicNamespace(type);
   }
   if (namespaceURI === HTML_NAMESPACE) {
     {
-      var isCustomComponentTag = isCustomComponent(type, props);
+      isCustomComponentTag = isCustomComponent(type, props);
       // Should this check be gated by parent namespace? Not sure we want to
       // allow <SVG> or <mATH>.
       warning(isCustomComponentTag || type === type.toLowerCase(), '<%s /> is using uppercase HTML. Always use lowercase HTML tags ' + 'in React.', type);
@@ -24504,13 +25440,13 @@ function setInitialProperties$1(domElement, tag, rawProps, rootContainerElement)
   {
     validatePropertiesInDevelopment(tag, rawProps);
     if (isCustomComponentTag && !didWarnShadyDOM && domElement.shadyRoot) {
-      warning(false, '%s is using shady DOM. Using shady DOM with React can ' + 'cause things to break subtly.', getCurrentFiberOwnerName$1() || 'A component');
+      warning(false, '%s is using shady DOM. Using shady DOM with React can ' + 'cause things to break subtly.', getCurrentFiberOwnerName$2() || 'A component');
       didWarnShadyDOM = true;
     }
   }
 
   // TODO: Make sure that we check isMounted before firing any of these events.
-  var props;
+  var props = void 0;
   switch (tag) {
     case 'iframe':
     case 'object':
@@ -24520,9 +25456,9 @@ function setInitialProperties$1(domElement, tag, rawProps, rootContainerElement)
     case 'video':
     case 'audio':
       // Create listener for each media event
-      for (var event in mediaEvents) {
-        if (mediaEvents.hasOwnProperty(event)) {
-          trapBubbledEvent(event, mediaEvents[event], domElement);
+      for (var event in mediaEventTypes) {
+        if (mediaEventTypes.hasOwnProperty(event)) {
+          trapBubbledEvent(event, mediaEventTypes[event], domElement);
         }
       }
       props = rawProps;
@@ -24533,6 +25469,7 @@ function setInitialProperties$1(domElement, tag, rawProps, rootContainerElement)
       break;
     case 'img':
     case 'image':
+    case 'link':
       trapBubbledEvent('topError', 'error', domElement);
       trapBubbledEvent('topLoad', 'load', domElement);
       props = rawProps;
@@ -24618,8 +25555,8 @@ function diffProperties$1(domElement, tag, lastRawProps, nextRawProps, rootConta
 
   var updatePayload = null;
 
-  var lastProps;
-  var nextProps;
+  var lastProps = void 0;
+  var nextProps = void 0;
   switch (tag) {
     case 'input':
       lastProps = getHostProps(domElement, lastRawProps);
@@ -24653,8 +25590,8 @@ function diffProperties$1(domElement, tag, lastRawProps, nextRawProps, rootConta
 
   assertValidProps(tag, nextProps, getStack);
 
-  var propKey;
-  var styleName;
+  var propKey = void 0;
+  var styleName = void 0;
   var styleUpdates = null;
   for (propKey in lastProps) {
     if (nextProps.hasOwnProperty(propKey) || !lastProps.hasOwnProperty(propKey) || lastProps[propKey] == null) {
@@ -24809,13 +25746,27 @@ function updateProperties$1(domElement, updatePayload, tag, lastRawProps, nextRa
   }
 }
 
-function diffHydratedProperties$1(domElement, tag, rawProps, parentNamespace, rootContainerElement) {
+function getPossibleStandardName(propName) {
   {
-    var suppressHydrationWarning = rawProps[SUPPRESS_HYDRATION_WARNING$1] === true;
-    var isCustomComponentTag = isCustomComponent(tag, rawProps);
+    var lowerCasedName = propName.toLowerCase();
+    if (!possibleStandardNames.hasOwnProperty(lowerCasedName)) {
+      return null;
+    }
+    return possibleStandardNames[lowerCasedName] || null;
+  }
+  return null;
+}
+
+function diffHydratedProperties$1(domElement, tag, rawProps, parentNamespace, rootContainerElement) {
+  var isCustomComponentTag = void 0;
+  var extraAttributeNames = void 0;
+
+  {
+    suppressHydrationWarning = rawProps[SUPPRESS_HYDRATION_WARNING$1] === true;
+    isCustomComponentTag = isCustomComponent(tag, rawProps);
     validatePropertiesInDevelopment(tag, rawProps);
     if (isCustomComponentTag && !didWarnShadyDOM && domElement.shadyRoot) {
-      warning(false, '%s is using shady DOM. Using shady DOM with React can ' + 'cause things to break subtly.', getCurrentFiberOwnerName$1() || 'A component');
+      warning(false, '%s is using shady DOM. Using shady DOM with React can ' + 'cause things to break subtly.', getCurrentFiberOwnerName$2() || 'A component');
       didWarnShadyDOM = true;
     }
   }
@@ -24829,9 +25780,9 @@ function diffHydratedProperties$1(domElement, tag, rawProps, parentNamespace, ro
     case 'video':
     case 'audio':
       // Create listener for each media event
-      for (var event in mediaEvents) {
-        if (mediaEvents.hasOwnProperty(event)) {
-          trapBubbledEvent(event, mediaEvents[event], domElement);
+      for (var event in mediaEventTypes) {
+        if (mediaEventTypes.hasOwnProperty(event)) {
+          trapBubbledEvent(event, mediaEventTypes[event], domElement);
         }
       }
       break;
@@ -24840,6 +25791,7 @@ function diffHydratedProperties$1(domElement, tag, rawProps, parentNamespace, ro
       break;
     case 'img':
     case 'image':
+    case 'link':
       trapBubbledEvent('topError', 'error', domElement);
       trapBubbledEvent('topLoad', 'load', domElement);
       break;
@@ -24879,7 +25831,7 @@ function diffHydratedProperties$1(domElement, tag, rawProps, parentNamespace, ro
   assertValidProps(tag, rawProps, getStack);
 
   {
-    var extraAttributeNames = new Set();
+    extraAttributeNames = new Set();
     var attributes = domElement.attributes;
     for (var i = 0; i < attributes.length; i++) {
       var name = attributes[i].name.toLowerCase();
@@ -24941,10 +25893,12 @@ function diffHydratedProperties$1(domElement, tag, rawProps, parentNamespace, ro
         }
         ensureListeningTo(rootContainerElement, propKey);
       }
-    } else {
+    } else if (true &&
+    // Convince Flow we've calculated it (it's DEV-only in this method.)
+    typeof isCustomComponentTag === 'boolean') {
       // Validate that the properties correspond to their expected values.
-      var serverValue;
-      var propertyInfo;
+      var serverValue = void 0;
+      var propertyInfo = getPropertyInfo(propKey);
       if (suppressHydrationWarning) {
         // Don't bother comparing. We're ignoring all these warnings.
       } else if (propKey === SUPPRESS_CONTENT_EDITABLE_WARNING || propKey === SUPPRESS_HYDRATION_WARNING$1 ||
@@ -24975,11 +25929,12 @@ function diffHydratedProperties$1(domElement, tag, rawProps, parentNamespace, ro
         if (nextProp !== serverValue) {
           warnForPropDifference(propKey, serverValue, nextProp);
         }
-      } else if (shouldSetAttribute(propKey, nextProp)) {
-        if (propertyInfo = getPropertyInfo(propKey)) {
+      } else if (!shouldIgnoreAttribute(propKey, propertyInfo, isCustomComponentTag) && !shouldRemoveAttribute(propKey, nextProp, propertyInfo, isCustomComponentTag)) {
+        var isMismatchDueToBadCasing = false;
+        if (propertyInfo !== null) {
           // $FlowFixMe - Should be inferred as not undefined.
           extraAttributeNames['delete'](propertyInfo.attributeName);
-          serverValue = getValueForProperty(domElement, propKey, nextProp);
+          serverValue = getValueForProperty(domElement, propKey, nextProp, propertyInfo);
         } else {
           var ownNamespace = parentNamespace;
           if (ownNamespace === HTML_NAMESPACE) {
@@ -24989,13 +25944,24 @@ function diffHydratedProperties$1(domElement, tag, rawProps, parentNamespace, ro
             // $FlowFixMe - Should be inferred as not undefined.
             extraAttributeNames['delete'](propKey.toLowerCase());
           } else {
+            var standardName = getPossibleStandardName(propKey);
+            if (standardName !== null && standardName !== propKey) {
+              // If an SVG prop is supplied with bad casing, it will
+              // be successfully parsed from HTML, but will produce a mismatch
+              // (and would be incorrectly rendered on the client).
+              // However, we already warn about bad casing elsewhere.
+              // So we'll skip the misleading extra mismatch warning in this case.
+              isMismatchDueToBadCasing = true;
+              // $FlowFixMe - Should be inferred as not undefined.
+              extraAttributeNames['delete'](standardName);
+            }
             // $FlowFixMe - Should be inferred as not undefined.
             extraAttributeNames['delete'](propKey);
           }
           serverValue = getValueForAttribute(domElement, propKey, nextProp);
         }
 
-        if (nextProp !== serverValue) {
+        if (nextProp !== serverValue && !isMismatchDueToBadCasing) {
           warnForPropDifference(propKey, serverValue, nextProp);
         }
       }
@@ -25100,10 +26066,10 @@ function warnForInsertedHydratedText$1(parentNode, text) {
   }
 }
 
-function restoreControlledState(domElement, tag, props) {
+function restoreControlledState$1(domElement, tag, props) {
   switch (tag) {
     case 'input':
-      restoreControlledState$1(domElement, props);
+      restoreControlledState(domElement, props);
       return;
     case 'textarea':
       restoreControlledState$3(domElement, props);
@@ -25127,7 +26093,7 @@ var ReactDOMFiberComponent = Object.freeze({
 	warnForDeletedHydratableText: warnForDeletedHydratableText$1,
 	warnForInsertedHydratedElement: warnForInsertedHydratedElement$1,
 	warnForInsertedHydratedText: warnForInsertedHydratedText$1,
-	restoreControlledState: restoreControlledState
+	restoreControlledState: restoreControlledState$1
 });
 
 // TODO: direct imports like some-package/src/* are bad. Fix me.
@@ -25428,18 +26394,13 @@ var validateDOMNesting = emptyFunction;
 
   // TODO: turn this into a named export
   validateDOMNesting.updatedAncestorInfo = updatedAncestorInfo$1;
-
-  // For testing
-  validateDOMNesting.isTagValidInContext = function (tag, ancestorInfo) {
-    ancestorInfo = ancestorInfo || emptyAncestorInfo;
-    var parentInfo = ancestorInfo.current;
-    var parentTag = parentInfo && parentInfo.tag;
-    return isTagValidWithParent(tag, parentTag) && !findInvalidAncestorForTag(tag, ancestorInfo);
-  };
 }
 
 var validateDOMNesting$1 = validateDOMNesting;
 
+// TODO: This type is shared between the reconciler and ReactDOM, but will
+// eventually be lifted out to the renderer.
+
 // TODO: direct imports like some-package/src/* are bad. Fix me.
 var createElement = createElement$1;
 var createTextNode = createTextNode$1;
@@ -25458,18 +26419,253 @@ var precacheFiberNode = precacheFiberNode$1;
 var updateFiberProps = updateFiberProps$1;
 
 
+var SUPPRESS_HYDRATION_WARNING = void 0;
+var topLevelUpdateWarnings = void 0;
+var warnOnInvalidCallback = void 0;
+var didWarnAboutUnstableCreatePortal = false;
+
 {
-  var SUPPRESS_HYDRATION_WARNING = 'suppressHydrationWarning';
+  SUPPRESS_HYDRATION_WARNING = 'suppressHydrationWarning';
   if (typeof Map !== 'function' || Map.prototype == null || typeof Map.prototype.forEach !== 'function' || typeof Set !== 'function' || Set.prototype == null || typeof Set.prototype.clear !== 'function' || typeof Set.prototype.forEach !== 'function') {
-    warning(false, 'React depends on Map and Set built-in types. Make sure that you load a ' + 'polyfill in older browsers. http://fb.me/react-polyfills');
+    warning(false, 'React depends on Map and Set built-in types. Make sure that you load a ' + 'polyfill in older browsers. https://fb.me/react-polyfills');
   }
+
+  topLevelUpdateWarnings = function (container) {
+    if (container._reactRootContainer && container.nodeType !== COMMENT_NODE) {
+      var hostInstance = DOMRenderer.findHostInstanceWithNoPortals(container._reactRootContainer._internalRoot.current);
+      if (hostInstance) {
+        warning(hostInstance.parentNode === container, 'render(...): It looks like the React-rendered content of this ' + 'container was removed without using React. This is not ' + 'supported and will cause errors. Instead, call ' + 'ReactDOM.unmountComponentAtNode to empty a container.');
+      }
+    }
+
+    var isRootRenderedBySomeReact = !!container._reactRootContainer;
+    var rootEl = getReactRootElementInContainer(container);
+    var hasNonRootReactChild = !!(rootEl && getInstanceFromNode$1(rootEl));
+
+    warning(!hasNonRootReactChild || isRootRenderedBySomeReact, 'render(...): Replacing React-rendered children with a new root ' + 'component. If you intended to update the children of this node, ' + 'you should instead have the existing children update their state ' + 'and render the new components instead of calling ReactDOM.render.');
+
+    warning(container.nodeType !== ELEMENT_NODE || !container.tagName || container.tagName.toUpperCase() !== 'BODY', 'render(): Rendering components directly into document.body is ' + 'discouraged, since its children are often manipulated by third-party ' + 'scripts and browser extensions. This may lead to subtle ' + 'reconciliation issues. Try rendering into a container element created ' + 'for your app.');
+  };
+
+  warnOnInvalidCallback = function (callback, callerName) {
+    warning(callback === null || typeof callback === 'function', '%s(...): Expected the last optional `callback` argument to be a ' + 'function. Instead received: %s.', callerName, callback);
+  };
 }
 
-injection$3.injectFiberControlledHostComponent(ReactDOMFiberComponent);
+injection$2.injectFiberControlledHostComponent(ReactDOMFiberComponent);
 
 var eventsEnabled = null;
 var selectionInformation = null;
 
+function ReactBatch(root) {
+  var expirationTime = DOMRenderer.computeUniqueAsyncExpiration();
+  this._expirationTime = expirationTime;
+  this._root = root;
+  this._next = null;
+  this._callbacks = null;
+  this._didComplete = false;
+  this._hasChildren = false;
+  this._children = null;
+  this._defer = true;
+}
+ReactBatch.prototype.render = function (children) {
+  !this._defer ? invariant(false, 'batch.render: Cannot render a batch that already committed.') : void 0;
+  this._hasChildren = true;
+  this._children = children;
+  var internalRoot = this._root._internalRoot;
+  var expirationTime = this._expirationTime;
+  var work = new ReactWork();
+  DOMRenderer.updateContainerAtExpirationTime(children, internalRoot, null, expirationTime, work._onCommit);
+  return work;
+};
+ReactBatch.prototype.then = function (onComplete) {
+  if (this._didComplete) {
+    onComplete();
+    return;
+  }
+  var callbacks = this._callbacks;
+  if (callbacks === null) {
+    callbacks = this._callbacks = [];
+  }
+  callbacks.push(onComplete);
+};
+ReactBatch.prototype.commit = function () {
+  var internalRoot = this._root._internalRoot;
+  var firstBatch = internalRoot.firstBatch;
+  !(this._defer && firstBatch !== null) ? invariant(false, 'batch.commit: Cannot commit a batch multiple times.') : void 0;
+
+  if (!this._hasChildren) {
+    // This batch is empty. Return.
+    this._next = null;
+    this._defer = false;
+    return;
+  }
+
+  var expirationTime = this._expirationTime;
+
+  // Ensure this is the first batch in the list.
+  if (firstBatch !== this) {
+    // This batch is not the earliest batch. We need to move it to the front.
+    // Update its expiration time to be the expiration time of the earliest
+    // batch, so that we can flush it without flushing the other batches.
+    if (this._hasChildren) {
+      expirationTime = this._expirationTime = firstBatch._expirationTime;
+      // Rendering this batch again ensures its children will be the final state
+      // when we flush (updates are processed in insertion order: last
+      // update wins).
+      // TODO: This forces a restart. Should we print a warning?
+      this.render(this._children);
+    }
+
+    // Remove the batch from the list.
+    var previous = null;
+    var batch = firstBatch;
+    while (batch !== this) {
+      previous = batch;
+      batch = batch._next;
+    }
+    !(previous !== null) ? invariant(false, 'batch.commit: Cannot commit a batch multiple times.') : void 0;
+    previous._next = batch._next;
+
+    // Add it to the front.
+    this._next = firstBatch;
+    firstBatch = internalRoot.firstBatch = this;
+  }
+
+  // Synchronously flush all the work up to this batch's expiration time.
+  this._defer = false;
+  DOMRenderer.flushRoot(internalRoot, expirationTime);
+
+  // Pop the batch from the list.
+  var next = this._next;
+  this._next = null;
+  firstBatch = internalRoot.firstBatch = next;
+
+  // Append the next earliest batch's children to the update queue.
+  if (firstBatch !== null && firstBatch._hasChildren) {
+    firstBatch.render(firstBatch._children);
+  }
+};
+ReactBatch.prototype._onComplete = function () {
+  if (this._didComplete) {
+    return;
+  }
+  this._didComplete = true;
+  var callbacks = this._callbacks;
+  if (callbacks === null) {
+    return;
+  }
+  // TODO: Error handling.
+  for (var i = 0; i < callbacks.length; i++) {
+    var _callback = callbacks[i];
+    _callback();
+  }
+};
+
+function ReactWork() {
+  this._callbacks = null;
+  this._didCommit = false;
+  // TODO: Avoid need to bind by replacing callbacks in the update queue with
+  // list of Work objects.
+  this._onCommit = this._onCommit.bind(this);
+}
+ReactWork.prototype.then = function (onCommit) {
+  if (this._didCommit) {
+    onCommit();
+    return;
+  }
+  var callbacks = this._callbacks;
+  if (callbacks === null) {
+    callbacks = this._callbacks = [];
+  }
+  callbacks.push(onCommit);
+};
+ReactWork.prototype._onCommit = function () {
+  if (this._didCommit) {
+    return;
+  }
+  this._didCommit = true;
+  var callbacks = this._callbacks;
+  if (callbacks === null) {
+    return;
+  }
+  // TODO: Error handling.
+  for (var i = 0; i < callbacks.length; i++) {
+    var _callback2 = callbacks[i];
+    !(typeof _callback2 === 'function') ? invariant(false, 'Invalid argument passed as callback. Expected a function. Instead received: %s', _callback2) : void 0;
+    _callback2();
+  }
+};
+
+function ReactRoot(container, isAsync, hydrate) {
+  var root = DOMRenderer.createContainer(container, isAsync, hydrate);
+  this._internalRoot = root;
+}
+ReactRoot.prototype.render = function (children, callback) {
+  var root = this._internalRoot;
+  var work = new ReactWork();
+  callback = callback === undefined ? null : callback;
+  {
+    warnOnInvalidCallback(callback, 'render');
+  }
+  if (callback !== null) {
+    work.then(callback);
+  }
+  DOMRenderer.updateContainer(children, root, null, work._onCommit);
+  return work;
+};
+ReactRoot.prototype.unmount = function (callback) {
+  var root = this._internalRoot;
+  var work = new ReactWork();
+  callback = callback === undefined ? null : callback;
+  {
+    warnOnInvalidCallback(callback, 'render');
+  }
+  if (callback !== null) {
+    work.then(callback);
+  }
+  DOMRenderer.updateContainer(null, root, null, work._onCommit);
+  return work;
+};
+ReactRoot.prototype.legacy_renderSubtreeIntoContainer = function (parentComponent, children, callback) {
+  var root = this._internalRoot;
+  var work = new ReactWork();
+  callback = callback === undefined ? null : callback;
+  {
+    warnOnInvalidCallback(callback, 'render');
+  }
+  if (callback !== null) {
+    work.then(callback);
+  }
+  DOMRenderer.updateContainer(children, root, parentComponent, work._onCommit);
+  return work;
+};
+ReactRoot.prototype.createBatch = function () {
+  var batch = new ReactBatch(this);
+  var expirationTime = batch._expirationTime;
+
+  var internalRoot = this._internalRoot;
+  var firstBatch = internalRoot.firstBatch;
+  if (firstBatch === null) {
+    internalRoot.firstBatch = batch;
+    batch._next = null;
+  } else {
+    // Insert sorted by expiration time then insertion order
+    var insertAfter = null;
+    var insertBefore = firstBatch;
+    while (insertBefore !== null && insertBefore._expirationTime <= expirationTime) {
+      insertAfter = insertBefore;
+      insertBefore = insertBefore._next;
+    }
+    batch._next = insertBefore;
+    if (insertAfter !== null) {
+      insertAfter._next = batch;
+    }
+  }
+
+  return batch;
+};
+
 /**
  * True if the supplied DOM node is a valid node element.
  *
@@ -25620,7 +26816,15 @@ var DOMRenderer = reactReconciler({
 
   mutation: {
     commitMount: function (domElement, type, newProps, internalInstanceHandle) {
-      domElement.focus();
+      // Despite the naming that might imply otherwise, this method only
+      // fires if there is an `Update` effect scheduled during mounting.
+      // This happens if `finalizeInitialChildren` returns `true` (which it
+      // does to implement the `autoFocus` attribute on the client). But
+      // there are also other cases when this might happen (such as patching
+      // up text content during hydration mismatch). So we'll check this again.
+      if (shouldAutoFocusHostComponent(type, newProps)) {
+        domElement.focus();
+      }
     },
     commitUpdate: function (domElement, updatePayload, type, oldProps, newProps, internalInstanceHandle) {
       // Update the props handle so that we know which props are the ones with
@@ -25630,7 +26834,7 @@ var DOMRenderer = reactReconciler({
       updateProperties(domElement, updatePayload, type, oldProps, newProps);
     },
     resetTextContent: function (domElement) {
-      domElement.textContent = '';
+      setTextContent(domElement, '');
     },
     commitTextUpdate: function (textInstance, oldText, newText) {
       textInstance.nodeValue = newText;
@@ -25766,68 +26970,85 @@ var DOMRenderer = reactReconciler({
   },
 
   scheduleDeferredCallback: rIC,
-  cancelDeferredCallback: cIC,
-
-  useSyncScheduling: !enableAsyncSchedulingByDefaultInReactDOM
+  cancelDeferredCallback: cIC
 });
 
-injection$4.injectFiberBatchedUpdates(DOMRenderer.batchedUpdates);
+injection$3.injectRenderer(DOMRenderer);
 
 var warnedAboutHydrateAPI = false;
 
-function renderSubtreeIntoContainer(parentComponent, children, container, forceHydrate, callback) {
+function legacyCreateRootFromDOMContainer(container, forceHydrate) {
+  var shouldHydrate = forceHydrate || shouldHydrateDueToLegacyHeuristic(container);
+  // First clear any existing content.
+  if (!shouldHydrate) {
+    var warned = false;
+    var rootSibling = void 0;
+    while (rootSibling = container.lastChild) {
+      {
+        if (!warned && rootSibling.nodeType === ELEMENT_NODE && rootSibling.hasAttribute(ROOT_ATTRIBUTE_NAME)) {
+          warned = true;
+          warning(false, 'render(): Target node has markup rendered by React, but there ' + 'are unrelated nodes as well. This is most commonly caused by ' + 'white-space inserted around server-rendered markup.');
+        }
+      }
+      container.removeChild(rootSibling);
+    }
+  }
+  {
+    if (shouldHydrate && !forceHydrate && !warnedAboutHydrateAPI) {
+      warnedAboutHydrateAPI = true;
+      lowPriorityWarning$1(false, 'render(): Calling ReactDOM.render() to hydrate server-rendered markup ' + 'will stop working in React v17. Replace the ReactDOM.render() call ' + 'with ReactDOM.hydrate() if you want React to attach to the server HTML.');
+    }
+  }
+  // Legacy roots are not async by default.
+  var isAsync = false;
+  return new ReactRoot(container, isAsync, shouldHydrate);
+}
+
+function legacyRenderSubtreeIntoContainer(parentComponent, children, container, forceHydrate, callback) {
+  // TODO: Ensure all entry points contain this check
   !isValidContainer(container) ? invariant(false, 'Target container is not a DOM element.') : void 0;
 
   {
-    if (container._reactRootContainer && container.nodeType !== COMMENT_NODE) {
-      var hostInstance = DOMRenderer.findHostInstanceWithNoPortals(container._reactRootContainer.current);
-      if (hostInstance) {
-        warning(hostInstance.parentNode === container, 'render(...): It looks like the React-rendered content of this ' + 'container was removed without using React. This is not ' + 'supported and will cause errors. Instead, call ' + 'ReactDOM.unmountComponentAtNode to empty a container.');
-      }
-    }
-
-    var isRootRenderedBySomeReact = !!container._reactRootContainer;
-    var rootEl = getReactRootElementInContainer(container);
-    var hasNonRootReactChild = !!(rootEl && getInstanceFromNode$1(rootEl));
-
-    warning(!hasNonRootReactChild || isRootRenderedBySomeReact, 'render(...): Replacing React-rendered children with a new root ' + 'component. If you intended to update the children of this node, ' + 'you should instead have the existing children update their state ' + 'and render the new components instead of calling ReactDOM.render.');
-
-    warning(container.nodeType !== ELEMENT_NODE || !container.tagName || container.tagName.toUpperCase() !== 'BODY', 'render(): Rendering components directly into document.body is ' + 'discouraged, since its children are often manipulated by third-party ' + 'scripts and browser extensions. This may lead to subtle ' + 'reconciliation issues. Try rendering into a container element created ' + 'for your app.');
+    topLevelUpdateWarnings(container);
   }
 
+  // TODO: Without `any` type, Flow says "Property cannot be accessed on any
+  // member of intersection type." Whyyyyyy.
   var root = container._reactRootContainer;
   if (!root) {
-    var shouldHydrate = forceHydrate || shouldHydrateDueToLegacyHeuristic(container);
-    // First clear any existing content.
-    if (!shouldHydrate) {
-      var warned = false;
-      var rootSibling = void 0;
-      while (rootSibling = container.lastChild) {
-        {
-          if (!warned && rootSibling.nodeType === ELEMENT_NODE && rootSibling.hasAttribute(ROOT_ATTRIBUTE_NAME)) {
-            warned = true;
-            warning(false, 'render(): Target node has markup rendered by React, but there ' + 'are unrelated nodes as well. This is most commonly caused by ' + 'white-space inserted around server-rendered markup.');
-          }
-        }
-        container.removeChild(rootSibling);
-      }
+    // Initial mount
+    root = container._reactRootContainer = legacyCreateRootFromDOMContainer(container, forceHydrate);
+    if (typeof callback === 'function') {
+      var originalCallback = callback;
+      callback = function () {
+        var instance = DOMRenderer.getPublicRootInstance(root._internalRoot);
+        originalCallback.call(instance);
+      };
     }
-    {
-      if (shouldHydrate && !forceHydrate && !warnedAboutHydrateAPI) {
-        warnedAboutHydrateAPI = true;
-        lowPriorityWarning$1(false, 'render(): Calling ReactDOM.render() to hydrate server-rendered markup ' + 'will stop working in React v17. Replace the ReactDOM.render() call ' + 'with ReactDOM.hydrate() if you want React to attach to the server HTML.');
-      }
-    }
-    var newRoot = DOMRenderer.createContainer(container, shouldHydrate);
-    root = container._reactRootContainer = newRoot;
     // Initial mount should not be batched.
     DOMRenderer.unbatchedUpdates(function () {
-      DOMRenderer.updateContainer(children, newRoot, parentComponent, callback);
+      if (parentComponent != null) {
+        root.legacy_renderSubtreeIntoContainer(parentComponent, children, callback);
+      } else {
+        root.render(children, callback);
+      }
     });
   } else {
-    DOMRenderer.updateContainer(children, root, parentComponent, callback);
+    if (typeof callback === 'function') {
+      var _originalCallback = callback;
+      callback = function () {
+        var instance = DOMRenderer.getPublicRootInstance(root._internalRoot);
+        _originalCallback.call(instance);
+      };
+    }
+    // Update
+    if (parentComponent != null) {
+      root.legacy_renderSubtreeIntoContainer(parentComponent, children, callback);
+    } else {
+      root.render(children, callback);
+    }
   }
-  return DOMRenderer.getPublicRootInstance(root);
+  return DOMRenderer.getPublicRootInstance(root._internalRoot);
 }
 
 function createPortal(children, container) {
@@ -25838,26 +27059,13 @@ function createPortal(children, container) {
   return createPortal$1(children, container, null, key);
 }
 
-function ReactRoot(container, hydrate) {
-  var root = DOMRenderer.createContainer(container, hydrate);
-  this._reactRootContainer = root;
-}
-ReactRoot.prototype.render = function (children, callback) {
-  var root = this._reactRootContainer;
-  DOMRenderer.updateContainer(children, root, null, callback);
-};
-ReactRoot.prototype.unmount = function (callback) {
-  var root = this._reactRootContainer;
-  DOMRenderer.updateContainer(null, root, null, callback);
-};
-
 var ReactDOM = {
   createPortal: createPortal,
 
   findDOMNode: function (componentOrElement) {
     {
       var owner = ReactCurrentOwner.current;
-      if (owner !== null) {
+      if (owner !== null && owner.stateNode !== null) {
         var warnedAboutRefsInRender = owner.stateNode._warnedAboutRefsInRender;
         warning(warnedAboutRefsInRender, '%s is accessing findDOMNode inside its render(). ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', getComponentName(owner) || 'A component');
         owner.stateNode._warnedAboutRefsInRender = true;
@@ -25883,14 +27091,14 @@ var ReactDOM = {
   },
   hydrate: function (element, container, callback) {
     // TODO: throw or warn if we couldn't hydrate?
-    return renderSubtreeIntoContainer(null, element, container, true, callback);
+    return legacyRenderSubtreeIntoContainer(null, element, container, true, callback);
   },
   render: function (element, container, callback) {
-    return renderSubtreeIntoContainer(null, element, container, false, callback);
+    return legacyRenderSubtreeIntoContainer(null, element, container, false, callback);
   },
   unstable_renderSubtreeIntoContainer: function (parentComponent, element, containerNode, callback) {
     !(parentComponent != null && has(parentComponent)) ? invariant(false, 'parentComponent must be a valid React Component') : void 0;
-    return renderSubtreeIntoContainer(parentComponent, element, containerNode, false, callback);
+    return legacyRenderSubtreeIntoContainer(parentComponent, element, containerNode, false, callback);
   },
   unmountComponentAtNode: function (container) {
     !isValidContainer(container) ? invariant(false, 'unmountComponentAtNode(...): Target container is not a DOM element.') : void 0;
@@ -25904,7 +27112,7 @@ var ReactDOM = {
 
       // Unmount should not be batched.
       DOMRenderer.unbatchedUpdates(function () {
-        renderSubtreeIntoContainer(null, null, container, false, function () {
+        legacyRenderSubtreeIntoContainer(null, null, container, false, function () {
           container._reactRootContainer = null;
         });
       });
@@ -25929,14 +27137,23 @@ var ReactDOM = {
 
   // Temporary alias since we already shipped React 16 RC with it.
   // TODO: remove in React 17.
-  unstable_createPortal: createPortal,
+  unstable_createPortal: function () {
+    if (!didWarnAboutUnstableCreatePortal) {
+      didWarnAboutUnstableCreatePortal = true;
+      lowPriorityWarning$1(false, 'The ReactDOM.unstable_createPortal() alias has been deprecated, ' + 'and will be removed in React 17+. Update your code to use ' + 'ReactDOM.createPortal() instead. It has the exact same API, ' + 'but without the "unstable_" prefix.');
+    }
+    return createPortal.apply(undefined, arguments);
+  },
 
-  unstable_batchedUpdates: batchedUpdates,
+
+  unstable_batchedUpdates: DOMRenderer.batchedUpdates,
 
   unstable_deferredUpdates: DOMRenderer.deferredUpdates,
 
   flushSync: DOMRenderer.flushSync,
 
+  unstable_flushControlled: DOMRenderer.flushControlled,
+
   __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: {
     // For TapEventPlugin which is popular in open source
     EventPluginHub: EventPluginHub,
@@ -25949,12 +27166,10 @@ var ReactDOM = {
   }
 };
 
-if (enableCreateRoot) {
-  ReactDOM.createRoot = function createRoot(container, options) {
-    var hydrate = options != null && options.hydrate === true;
-    return new ReactRoot(container, hydrate);
-  };
-}
+ReactDOM.unstable_createRoot = function createRoot(container, options) {
+  var hydrate = options != null && options.hydrate === true;
+  return new ReactRoot(container, true, hydrate);
+};
 
 var foundDevTools = DOMRenderer.injectIntoDevTools({
   findFiberByHostInstance: getClosestInstanceFromNode,
@@ -26030,7 +27245,21 @@ function uuid() {
 
   return str.slice(0, -1);
 }
+function parseCollCircle(st) {
+  var collMeta = /(.*)\/collection_~(~[a-z,\.,0-9]*)(:?_~)?(:?~.*)?/.exec(st);
+  var r;
+  console.log('regex', collMeta);
 
+  if (collMeta) {
+    r = {
+      ship: collMeta[1],
+      coll: collMeta[2],
+      top: collMeta[4]
+    };
+  }
+
+  return r;
+}
  // ascending for clarity
 
 
@@ -26064,6 +27293,24 @@ function prettyShip(ship) {
   var sp = ship.split('-');
   return sp.length == 9 ? "".concat(sp[0], "_").concat(sp[8]) : ship;
 }
+function isDMStation(station) {
+  var host = station.split('/')[0].substr(1);
+  var circle = station.split('/')[1];
+  return station.indexOf('.') !== -1 && circle.indexOf(host) !== -1;
+}
+function calculateStations(configs) {
+  var numSubs = Object.keys(configs).filter(function (sta) {
+    return !isDMStation(sta) && !sta.includes("inbox");
+  }).length;
+  var numDMs = Object.keys(configs).filter(function (sta) {
+    return isDMStation(sta);
+  }).length;
+  var numString = [];
+  if (numSubs) numString.push("".concat(numSubs, " subscriptions"));
+  if (numDMs) numString.push("".concat(numDMs, " DMs"));
+  numString = numString.join(", ");
+  return numString;
+}
 
 var InboxPage =
 /*#__PURE__*/
@@ -26102,23 +27349,57 @@ function (_Component) {
         feed: evt.target.value
       });
     }
+  }, {
+    key: "createDMStation",
+    value: function createDMStation(station) {
+      var _this2 = this;
+
+      var circle = station.split("/")[1];
+      var everyoneElse = circle.split(".").filter(function (ship) {
+        return ship !== _this2.props.api.authTokens.ship;
+      });
+      this.props.api.hall({
+        create: {
+          nom: circle,
+          des: "dm",
+          sec: "village"
+        }
+      });
+      this.props.pushPending("circles", {
+        type: "subscribe-inbox",
+        data: {
+          cir: "~".concat(this.props.api.authTokens.ship, "/").concat(circle)
+        }
+      });
+      this.props.pushPending("circle.config.dif.full", {
+        type: "transition",
+        data: {
+          target: "/~~/pages/nutalk/stream?station=~".concat(this.props.api.authTokens.ship, "/").concat(circle)
+        }
+      });
+      this.props.pushPending("circle.config.dif.full", {
+        type: "permit",
+        data: {
+          nom: circle,
+          aud: everyoneElse,
+          message: false
+        }
+      });
+    }
   }, {
     key: "acceptInvite",
     value: function acceptInvite(evt) {
-      var cir = evt.target.dataset.cir;
-      if (cir.indexOf('.') === -1) {
-        this.subCircle(cir, true);
+      var station = evt.target.dataset.station;
+      var val = evt.target.attributes.value;
+
+      if (val === "no") {
+        return;
+      }
+
+      if (isDMStation(station)) {
+        this.createDMStation(station);
       } else {
-        var stationBase = cir.split("/").slice(1)[0];
-        this.props.api.hall({
-          create: {
-            nom: stationBase,
-            des: "dm",
-            sec: "village"
-          }
-        }, {
-          target: "/~~/pages/nutalk/stream?station=~".concat(this.props.store.usership, "/").concat(stationBase)
-        });
+        this.subStation(station);
       }
     }
   }, {
@@ -26126,19 +27407,25 @@ function (_Component) {
     value: function addFeed(evt) {
       evt.preventDefault();
       evt.stopPropagation();
-      this.subCircle(this.state.feed, true);
+      this.subStation(this.state.feed);
       this.setState({
         feed: ""
       });
     }
   }, {
-    key: "subCircle",
-    value: function subCircle(cir, sub) {
+    key: "subStation",
+    value: function subStation(station) {
       this.props.api.hall({
         source: {
           nom: "inbox",
-          sub: sub,
-          srs: [cir]
+          sub: true,
+          srs: [station]
+        }
+      });
+      this.props.pushPending("circle.config.dif.source", {
+        type: "transition",
+        data: {
+          target: "/~~/pages/nutalk/stream?station=".concat(station)
         }
       });
     } // parses the tac, which is the attached message to the collections update
@@ -26182,12 +27469,12 @@ function (_Component) {
 
       if (collUpdate.more) {
         return react.createElement("div", null, react.createElement("a", {
-          href: foreignUrl(collMeta.ship, this.props.store.usership, "/~~/collections/".concat(collMeta.coll)),
+          href: foreignUrl(collMeta.ship, this.props.api.authTokens.ship, "/~~/collections/".concat(collMeta.coll)),
           className: "text-600"
         }, collUpdate.head), react.createElement("p", null, collUpdate.tail, " ", react.createElement("a", {
           href: ""
         }, "[...]")), react.createElement("a", {
-          href: foreignUrl(collMeta.ship, this.props.store.usership, "/~~/collections/".concat(collMeta.coll))
+          href: foreignUrl(collMeta.ship, this.props.api.authTokens.ship, "/~~/collections/".concat(collMeta.coll))
         }, "More \u2192"));
       } else {
         return react.createElement("div", null, react.createElement("a", {
@@ -26199,11 +27486,11 @@ function (_Component) {
   }, {
     key: "render",
     value: function render() {
-      var _this2 = this;
+      var _this3 = this;
 
       var inboxMessages = this.props.store.messages;
       var inboxKeys = Object.keys(inboxMessages).filter(function (k) {
-        return k.indexOf(_this2.state.filter) !== -1;
+        return k.indexOf(_this3.state.filter) !== -1;
       });
       var stationElems = inboxKeys.map(function (stationName) {
         var prevName = "";
@@ -26217,26 +27504,26 @@ function (_Component) {
             prevName = msg.aut;
           }
 
-          if (msg.sep.inv && !_this2.props.store.configs[msg.sep.inv.cir]) {
+          if (msg.sep.inv && !_this3.props.store.configs[msg.sep.inv.cir]) {
             message = react.createElement("span", {
               className: "ml-4"
             }, react.createElement("span", null, "Invite to ", react.createElement("b", null, msg.sep.inv.cir), ". Would you like to join?"), react.createElement("span", {
               className: "text-500 underline ml-2 mr-2 pointer",
-              onClick: _this2.acceptInvite,
+              onClick: _this3.acceptInvite,
               value: "yes",
               "data-cir": msg.sep.inv.cir
             }, "Yes"), react.createElement("span", {
               className: "text-500 underline ml-2 mr-2 pointer",
-              onClick: _this2.acceptInvite,
+              onClick: _this3.acceptInvite,
               value: "no",
               "data-cir": msg.sep.inv.cir
             }, "No"));
-          } else if (!_this2.props.store.configs[stationName]) {
+          } else if (!_this3.props.store.configs[stationName]) {
             // If message isn't sourced by inbox & is not an invite, render nothing
             return null;
           } else if (msg.sep.fat && msg.sep.fat.tac.text) {
             // This is an update on a collection circle
-            message = _this2.renderCollectionUpdate(msg.sep.fat.tac.text, stationName);
+            message = _this3.renderCollectionUpdate(msg.sep.fat.tac.text, stationName);
           } else if (msg.sep.lin) {
             message = msg.sep.lin.msg;
           }
@@ -26258,7 +27545,7 @@ function (_Component) {
         if (messageElems.length > 0) {
           // a collection-based circle
           if (stationName.indexOf('collection_') > -1) {
-            var collId = _this2.stationIdParse(stationName); // need to work on how collection updates are sent to hall
+            var collId = _this3.stationIdParse(stationName); // need to work on how collection updates are sent to hall
 
 
             return react.createElement("div", {
@@ -26266,7 +27553,7 @@ function (_Component) {
               key: stationName
             }, react.createElement("a", {
               href: "/~~/collections/".concat(collId.coll)
-            }, react.createElement("b", null, react.createElement("u", null, prettyShip(collId.ship), "/", _this2.props.store.configs[stationName]['cap']))), react.createElement("ul", null, messageElems));
+            }, react.createElement("b", null, react.createElement("u", null, prettyShip(collId.ship), "/", _this3.props.store.configs[stationName]['cap']))), react.createElement("ul", null, messageElems));
           } else {
             return react.createElement("div", {
               className: "mb-4",
@@ -26282,15 +27569,15 @@ function (_Component) {
       var olderStations = Object.keys(this.props.store.configs).map(function (cos) {
         if (inboxKeys.indexOf(cos) === -1) {
           if (cos.indexOf('collection_') > -1) {
-            var collId = _this2.stationIdParse(cos); //
+            var collId = _this3.stationIdParse(cos); //
 
 
             return react.createElement("div", {
               className: "mb-4",
               key: cos
             }, react.createElement("a", {
-              href: foreignUrl(collId.ship, _this2.props.store.usership, "/~~/collections/".concat(collId.coll))
-            }, react.createElement("b", null, react.createElement("u", null, prettyShip(collId.ship), "/", _this2.props.store.configs[cos]['cap']))));
+              href: foreignUrl(collId.ship, _this3.props.api.authTokens.ship, "/~~/collections/".concat(collId.coll))
+            }, react.createElement("b", null, react.createElement("u", null, prettyShip(collId.ship), "/", _this3.props.store.configs[cos]['cap']))));
           } else {
             return react.createElement("div", {
               className: "mb-4",
@@ -26301,34 +27588,18 @@ function (_Component) {
           }
         }
       });
-      return react.createElement("div", null, react.createElement("a", {
-        href: "/~~/pages/nutalk/stream/create"
-      }, react.createElement("button", {
-        className: "btn btn-secondary",
-        type: "button"
-      }, "Create Stream \u2192")), react.createElement("a", {
-        href: "/~~/pages/nutalk/collection/create"
-      }, react.createElement("button", {
-        className: "btn btn-tetiary",
-        type: "button"
-      }, "Create Collection \u2192")), react.createElement("form", {
-        className: "inline-block",
-        onSubmit: this.addFeed
-      }, react.createElement("input", {
-        className: "w-51 inbox-feed",
-        type: "text",
-        value: this.state.feed,
-        onChange: this.feedChange,
-        placeholder: "Add feed: ~marzod/club"
-      })), react.createElement("div", {
-        className: "row"
-      }, react.createElement("input", {
-        className: "mt-4 w-80 input-sm",
-        type: "text",
-        value: this.state.filter,
-        onChange: this.filterChange,
-        placeholder: "Filter..."
-      })), react.createElement("div", {
+      /*
+      let unusedDom = (
+        <form className="inline-block" onSubmit={this.addFeed}>
+          <input className="w-51 inbox-feed" type="text" value={this.state.feed} onChange={this.feedChange} placeholder="Add feed: ~marzod/club" />
+        </form>
+        <div className="row">
+          <input className="mt-4 w-80 input-sm" type="text" value={this.state.filter} onChange={this.filterChange} placeholder="Filter..." />
+        </div>
+      )
+      */
+
+      return react.createElement("div", null, react.createElement("div", {
         className: "text-mono mt-8"
       }, stationElems), react.createElement("h3", {
         className: "mt-8"
@@ -26339,6 +27610,3825 @@ function (_Component) {
   return InboxPage;
 }(react_1);
 
+var ListPage =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(ListPage, _Component);
+
+  function ListPage(props) {
+    _classCallCheck(this, ListPage);
+
+    return _possibleConstructorReturn(this, (ListPage.__proto__ || Object.getPrototypeOf(ListPage)).call(this, props));
+  }
+
+  _createClass(ListPage, [{
+    key: "buildHeader",
+    value: function buildHeader() {
+      var numString = calculateStations(this.props.store.configs);
+      return react.createElement("div", null, react.createElement("b", null, "List \u2014"), react.createElement("span", {
+        className: "ml-4"
+      }, numString));
+    }
+  }, {
+    key: "componentDidUpdate",
+    value: function componentDidUpdate() {
+      var header = this.buildHeader();
+      this.props.setHeader(header);
+    }
+  }, {
+    key: "buildChatStations",
+    value: function buildChatStations() {
+      return Object.arrayify(this.props.store.configs).filter(function (item) {
+        return item.value.cap === "chat";
+      }).map(function (item) {
+        var expandedStationName = item.key.split("/").join("  /  ");
+        return react.createElement("div", {
+          key: item.key,
+          className: "mt-3"
+        }, react.createElement("div", {
+          className: "text-mono text-600"
+        }, react.createElement("a", {
+          href: "/~~/pages/nutalk/stream?station=".concat(item.key)
+        }, expandedStationName)), react.createElement("div", null, item.value.con.sis.length, " Members"));
+      });
+    }
+  }, {
+    key: "buildDMStations",
+    value: function buildDMStations() {
+      var _this = this;
+
+      return Object.arrayify(this.props.store.configs).filter(function (item) {
+        return isDMStation(item.key);
+      }).map(function (item) {
+        var title = item.value.con.sis.filter(function (mem) {
+          return mem !== _this.props.api.authTokens.ship;
+        }).map(function (mem) {
+          return "~".concat(mem);
+        }).join(", ");
+        return react.createElement("div", {
+          key: item.key,
+          className: "mt-3"
+        }, react.createElement("div", {
+          className: "text-mono text-600"
+        }, react.createElement("a", {
+          href: "/~~/pages/nutalk/stream?station=".concat(item.key)
+        }, title)));
+      });
+    }
+  }, {
+    key: "buildTextStations",
+    value: function buildTextStations() {
+      return Object.arrayify(this.props.store.configs).filter(function (item) {
+        return item.key.includes("collection");
+      }).map(function (item) {
+        if (!parseCollCircle(item.key)['top']) {
+          var expandedStationName = "".concat(item.key.split("/")[0], "  /  ").concat(item.value.cap); // go from "~tappyl-dabwex/collection_~~2018.4.19..22.58.12..4c19"
+          // to      "~2018.4.19..22.58.12..4c19"
+
+          var targetPath = item.key.split("/")[1].substr(12);
+          return react.createElement("div", {
+            key: item.key,
+            className: "mt-3"
+          }, react.createElement("div", {
+            className: "text-mono text-600"
+          }, react.createElement("a", {
+            href: "/~~/collections/".concat(targetPath)
+          }, expandedStationName)), react.createElement("div", null, item.value.con.sis.length, " Members"));
+        } else {
+          return null;
+        }
+      });
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      var chatStations = this.buildChatStations();
+      var textStations = this.buildTextStations();
+      var DMStations = this.buildDMStations();
+      return react.createElement("div", null, react.createElement("div", {
+        className: "mt-9"
+      }, react.createElement("div", {
+        className: "text-700"
+      }, "Chat"), chatStations), react.createElement("div", {
+        className: "mt-9"
+      }, react.createElement("div", {
+        className: "text-700"
+      }, "Text"), textStations), react.createElement("div", {
+        className: "mt-9"
+      }, react.createElement("div", {
+        className: "text-700"
+      }, "DM"), DMStations));
+    }
+  }]);
+
+  return ListPage;
+}(react_1);
+
+/**
+ * Copyright 2014-2015, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+'use strict';
+
+/**
+ * Similar to invariant but only logs a warning if the condition is not met.
+ * This can be used to log issues in development environments in critical
+ * paths. Removing the logging code for production environments will keep the
+ * same logic and follow the same code paths.
+ */
+
+var __DEV__ = "development" !== 'production';
+
+var warning$4 = function() {};
+
+if (__DEV__) {
+  warning$4 = function(condition, format, args) {
+    var len = arguments.length;
+    args = new Array(len > 2 ? len - 2 : 0);
+    for (var key = 2; key < len; key++) {
+      args[key - 2] = arguments[key];
+    }
+    if (format === undefined) {
+      throw new Error(
+        '`warning(condition, format, ...args)` requires a warning ' +
+        'message argument'
+      );
+    }
+
+    if (format.length < 10 || (/^[s\W]*$/).test(format)) {
+      throw new Error(
+        'The warning format should be able to uniquely identify this ' +
+        'warning. Please, use a more descriptive format than: ' + format
+      );
+    }
+
+    if (!condition) {
+      var argIndex = 0;
+      var message = 'Warning: ' +
+        format.replace(/%s/g, function() {
+          return args[argIndex++];
+        });
+      if (typeof console !== 'undefined') {
+        console.error(message);
+      }
+      try {
+        // This error was thrown as a convenience so that you can use this stack
+        // to find the callsite that caused this warning to fire.
+        throw new Error(message);
+      } catch(x) {}
+    }
+  };
+}
+
+var warning_1$3 = warning$4;
+
+
+
+var warning$6 = Object.freeze({
+	default: warning_1$3,
+	__moduleExports: warning_1$3
+});
+
+/*
+object-assign
+(c) Sindre Sorhus
+@license MIT
+*/
+
+'use strict';
+/* eslint-disable no-unused-vars */
+var getOwnPropertySymbols$2 = Object.getOwnPropertySymbols;
+var hasOwnProperty$4 = Object.prototype.hasOwnProperty;
+var propIsEnumerable$2 = Object.prototype.propertyIsEnumerable;
+
+function toObject$3(val) {
+	if (val === null || val === undefined) {
+		throw new TypeError('Object.assign cannot be called with null or undefined');
+	}
+
+	return Object(val);
+}
+
+function shouldUseNative$2() {
+	try {
+		if (!Object.assign) {
+			return false;
+		}
+
+		// Detect buggy property enumeration order in older V8 versions.
+
+		// https://bugs.chromium.org/p/v8/issues/detail?id=4118
+		var test1 = new String('abc');  // eslint-disable-line no-new-wrappers
+		test1[5] = 'de';
+		if (Object.getOwnPropertyNames(test1)[0] === '5') {
+			return false;
+		}
+
+		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
+		var test2 = {};
+		for (var i = 0; i < 10; i++) {
+			test2['_' + String.fromCharCode(i)] = i;
+		}
+		var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
+			return test2[n];
+		});
+		if (order2.join('') !== '0123456789') {
+			return false;
+		}
+
+		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
+		var test3 = {};
+		'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
+			test3[letter] = letter;
+		});
+		if (Object.keys(Object.assign({}, test3)).join('') !==
+				'abcdefghijklmnopqrst') {
+			return false;
+		}
+
+		return true;
+	} catch (err) {
+		// We don't expect any of the above to throw, but better to be safe.
+		return false;
+	}
+}
+
+var objectAssign$6 = shouldUseNative$2() ? Object.assign : function (target, source) {
+	var from;
+	var to = toObject$3(target);
+	var symbols;
+
+	for (var s = 1; s < arguments.length; s++) {
+		from = Object(arguments[s]);
+
+		for (var key in from) {
+			if (hasOwnProperty$4.call(from, key)) {
+				to[key] = from[key];
+			}
+		}
+
+		if (getOwnPropertySymbols$2) {
+			symbols = getOwnPropertySymbols$2(from);
+			for (var i = 0; i < symbols.length; i++) {
+				if (propIsEnumerable$2.call(from, symbols[i])) {
+					to[symbols[i]] = from[symbols[i]];
+				}
+			}
+		}
+	}
+
+	return to;
+};
+
+
+
+var objectAssign$8 = Object.freeze({
+	default: objectAssign$6,
+	__moduleExports: objectAssign$6
+});
+
+var assign$1 = ( objectAssign$8 && objectAssign$6 ) || objectAssign$8;
+
+'use strict';
+
+
+
+
+
+
+
+
+
+var factoryWithTypeCheckers = function(isValidElement, throwOnDirectAccess) {
+  /* global Symbol */
+  var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
+  var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.
+
+  /**
+   * Returns the iterator method function contained on the iterable object.
+   *
+   * Be sure to invoke the function with the iterable as context:
+   *
+   *     var iteratorFn = getIteratorFn(myIterable);
+   *     if (iteratorFn) {
+   *       var iterator = iteratorFn.call(myIterable);
+   *       ...
+   *     }
+   *
+   * @param {?object} maybeIterable
+   * @return {?function}
+   */
+  function getIteratorFn(maybeIterable) {
+    var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]);
+    if (typeof iteratorFn === 'function') {
+      return iteratorFn;
+    }
+  }
+
+  /**
+   * Collection of methods that allow declaration and validation of props that are
+   * supplied to React components. Example usage:
+   *
+   *   var Props = require('ReactPropTypes');
+   *   var MyArticle = React.createClass({
+   *     propTypes: {
+   *       // An optional string prop named "description".
+   *       description: Props.string,
+   *
+   *       // A required enum prop named "category".
+   *       category: Props.oneOf(['News','Photos']).isRequired,
+   *
+   *       // A prop named "dialog" that requires an instance of Dialog.
+   *       dialog: Props.instanceOf(Dialog).isRequired
+   *     },
+   *     render: function() { ... }
+   *   });
+   *
+   * A more formal specification of how these methods are used:
+   *
+   *   type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...)
+   *   decl := ReactPropTypes.{type}(.isRequired)?
+   *
+   * Each and every declaration produces a function with the same signature. This
+   * allows the creation of custom validation functions. For example:
+   *
+   *  var MyLink = React.createClass({
+   *    propTypes: {
+   *      // An optional string or URI prop named "href".
+   *      href: function(props, propName, componentName) {
+   *        var propValue = props[propName];
+   *        if (propValue != null && typeof propValue !== 'string' &&
+   *            !(propValue instanceof URI)) {
+   *          return new Error(
+   *            'Expected a string or an URI for ' + propName + ' in ' +
+   *            componentName
+   *          );
+   *        }
+   *      }
+   *    },
+   *    render: function() {...}
+   *  });
+   *
+   * @internal
+   */
+
+  var ANONYMOUS = '<<anonymous>>';
+
+  // Important!
+  // Keep this list in sync with production version in `./factoryWithThrowingShims.js`.
+  var ReactPropTypes = {
+    array: createPrimitiveTypeChecker('array'),
+    bool: createPrimitiveTypeChecker('boolean'),
+    func: createPrimitiveTypeChecker('function'),
+    number: createPrimitiveTypeChecker('number'),
+    object: createPrimitiveTypeChecker('object'),
+    string: createPrimitiveTypeChecker('string'),
+    symbol: createPrimitiveTypeChecker('symbol'),
+
+    any: createAnyTypeChecker(),
+    arrayOf: createArrayOfTypeChecker,
+    element: createElementTypeChecker(),
+    instanceOf: createInstanceTypeChecker,
+    node: createNodeChecker(),
+    objectOf: createObjectOfTypeChecker,
+    oneOf: createEnumTypeChecker,
+    oneOfType: createUnionTypeChecker,
+    shape: createShapeTypeChecker,
+    exact: createStrictShapeTypeChecker,
+  };
+
+  /**
+   * inlined Object.is polyfill to avoid requiring consumers ship their own
+   * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
+   */
+  /*eslint-disable no-self-compare*/
+  function is(x, y) {
+    // SameValue algorithm
+    if (x === y) {
+      // Steps 1-5, 7-10
+      // Steps 6.b-6.e: +0 != -0
+      return x !== 0 || 1 / x === 1 / y;
+    } else {
+      // Step 6.a: NaN == NaN
+      return x !== x && y !== y;
+    }
+  }
+  /*eslint-enable no-self-compare*/
+
+  /**
+   * We use an Error-like object for backward compatibility as people may call
+   * PropTypes directly and inspect their output. However, we don't use real
+   * Errors anymore. We don't inspect their stack anyway, and creating them
+   * is prohibitively expensive if they are created too often, such as what
+   * happens in oneOfType() for any type before the one that matched.
+   */
+  function PropTypeError(message) {
+    this.message = message;
+    this.stack = '';
+  }
+  // Make `instanceof Error` still work for returned errors.
+  PropTypeError.prototype = Error.prototype;
+
+  function createChainableTypeChecker(validate) {
+    {
+      var manualPropTypeCallCache = {};
+      var manualPropTypeWarningCount = 0;
+    }
+    function checkType(isRequired, props, propName, componentName, location, propFullName, secret) {
+      componentName = componentName || ANONYMOUS;
+      propFullName = propFullName || propName;
+
+      if (secret !== ReactPropTypesSecret$3) {
+        if (throwOnDirectAccess) {
+          // New behavior only for users of `prop-types` package
+          invariant$3(
+            false,
+            'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +
+            'Use `PropTypes.checkPropTypes()` to call them. ' +
+            'Read more at http://fb.me/use-check-prop-types'
+          );
+        } else if ("development" !== 'production' && typeof console !== 'undefined') {
+          // Old behavior for people using React.PropTypes
+          var cacheKey = componentName + ':' + propName;
+          if (
+            !manualPropTypeCallCache[cacheKey] &&
+            // Avoid spamming the console because they are often not actionable except for lib authors
+            manualPropTypeWarningCount < 3
+          ) {
+            warning$3(
+              false,
+              'You are manually calling a React.PropTypes validation ' +
+              'function for the `%s` prop on `%s`. This is deprecated ' +
+              'and will throw in the standalone `prop-types` package. ' +
+              'You may be seeing this warning due to a third-party PropTypes ' +
+              'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.',
+              propFullName,
+              componentName
+            );
+            manualPropTypeCallCache[cacheKey] = true;
+            manualPropTypeWarningCount++;
+          }
+        }
+      }
+      if (props[propName] == null) {
+        if (isRequired) {
+          if (props[propName] === null) {
+            return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.'));
+          }
+          return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.'));
+        }
+        return null;
+      } else {
+        return validate(props, propName, componentName, location, propFullName);
+      }
+    }
+
+    var chainedCheckType = checkType.bind(null, false);
+    chainedCheckType.isRequired = checkType.bind(null, true);
+
+    return chainedCheckType;
+  }
+
+  function createPrimitiveTypeChecker(expectedType) {
+    function validate(props, propName, componentName, location, propFullName, secret) {
+      var propValue = props[propName];
+      var propType = getPropType(propValue);
+      if (propType !== expectedType) {
+        // `propValue` being instance of, say, date/regexp, pass the 'object'
+        // check, but we can offer a more precise error message here rather than
+        // 'of type `object`'.
+        var preciseType = getPreciseType(propValue);
+
+        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.'));
+      }
+      return null;
+    }
+    return createChainableTypeChecker(validate);
+  }
+
+  function createAnyTypeChecker() {
+    return createChainableTypeChecker(emptyFunction$2.thatReturnsNull);
+  }
+
+  function createArrayOfTypeChecker(typeChecker) {
+    function validate(props, propName, componentName, location, propFullName) {
+      if (typeof typeChecker !== 'function') {
+        return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.');
+      }
+      var propValue = props[propName];
+      if (!Array.isArray(propValue)) {
+        var propType = getPropType(propValue);
+        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.'));
+      }
+      for (var i = 0; i < propValue.length; i++) {
+        var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret$3);
+        if (error instanceof Error) {
+          return error;
+        }
+      }
+      return null;
+    }
+    return createChainableTypeChecker(validate);
+  }
+
+  function createElementTypeChecker() {
+    function validate(props, propName, componentName, location, propFullName) {
+      var propValue = props[propName];
+      if (!isValidElement(propValue)) {
+        var propType = getPropType(propValue);
+        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.'));
+      }
+      return null;
+    }
+    return createChainableTypeChecker(validate);
+  }
+
+  function createInstanceTypeChecker(expectedClass) {
+    function validate(props, propName, componentName, location, propFullName) {
+      if (!(props[propName] instanceof expectedClass)) {
+        var expectedClassName = expectedClass.name || ANONYMOUS;
+        var actualClassName = getClassName(props[propName]);
+        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.'));
+      }
+      return null;
+    }
+    return createChainableTypeChecker(validate);
+  }
+
+  function createEnumTypeChecker(expectedValues) {
+    if (!Array.isArray(expectedValues)) {
+      warning$3(false, 'Invalid argument supplied to oneOf, expected an instance of array.');
+      return emptyFunction$2.thatReturnsNull;
+    }
+
+    function validate(props, propName, componentName, location, propFullName) {
+      var propValue = props[propName];
+      for (var i = 0; i < expectedValues.length; i++) {
+        if (is(propValue, expectedValues[i])) {
+          return null;
+        }
+      }
+
+      var valuesString = JSON.stringify(expectedValues);
+      return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + propValue + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.'));
+    }
+    return createChainableTypeChecker(validate);
+  }
+
+  function createObjectOfTypeChecker(typeChecker) {
+    function validate(props, propName, componentName, location, propFullName) {
+      if (typeof typeChecker !== 'function') {
+        return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.');
+      }
+      var propValue = props[propName];
+      var propType = getPropType(propValue);
+      if (propType !== 'object') {
+        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.'));
+      }
+      for (var key in propValue) {
+        if (propValue.hasOwnProperty(key)) {
+          var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret$3);
+          if (error instanceof Error) {
+            return error;
+          }
+        }
+      }
+      return null;
+    }
+    return createChainableTypeChecker(validate);
+  }
+
+  function createUnionTypeChecker(arrayOfTypeCheckers) {
+    if (!Array.isArray(arrayOfTypeCheckers)) {
+      warning$3(false, 'Invalid argument supplied to oneOfType, expected an instance of array.');
+      return emptyFunction$2.thatReturnsNull;
+    }
+
+    for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
+      var checker = arrayOfTypeCheckers[i];
+      if (typeof checker !== 'function') {
+        warning$3(
+          false,
+          'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' +
+          'received %s at index %s.',
+          getPostfixForTypeWarning(checker),
+          i
+        );
+        return emptyFunction$2.thatReturnsNull;
+      }
+    }
+
+    function validate(props, propName, componentName, location, propFullName) {
+      for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
+        var checker = arrayOfTypeCheckers[i];
+        if (checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret$3) == null) {
+          return null;
+        }
+      }
+
+      return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`.'));
+    }
+    return createChainableTypeChecker(validate);
+  }
+
+  function createNodeChecker() {
+    function validate(props, propName, componentName, location, propFullName) {
+      if (!isNode(props[propName])) {
+        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.'));
+      }
+      return null;
+    }
+    return createChainableTypeChecker(validate);
+  }
+
+  function createShapeTypeChecker(shapeTypes) {
+    function validate(props, propName, componentName, location, propFullName) {
+      var propValue = props[propName];
+      var propType = getPropType(propValue);
+      if (propType !== 'object') {
+        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
+      }
+      for (var key in shapeTypes) {
+        var checker = shapeTypes[key];
+        if (!checker) {
+          continue;
+        }
+        var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret$3);
+        if (error) {
+          return error;
+        }
+      }
+      return null;
+    }
+    return createChainableTypeChecker(validate);
+  }
+
+  function createStrictShapeTypeChecker(shapeTypes) {
+    function validate(props, propName, componentName, location, propFullName) {
+      var propValue = props[propName];
+      var propType = getPropType(propValue);
+      if (propType !== 'object') {
+        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
+      }
+      // We need to check all keys in case some are required but missing from
+      // props.
+      var allKeys = assign$1({}, props[propName], shapeTypes);
+      for (var key in allKeys) {
+        var checker = shapeTypes[key];
+        if (!checker) {
+          return new PropTypeError(
+            'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' +
+            '\nBad object: ' + JSON.stringify(props[propName], null, '  ') +
+            '\nValid keys: ' +  JSON.stringify(Object.keys(shapeTypes), null, '  ')
+          );
+        }
+        var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret$3);
+        if (error) {
+          return error;
+        }
+      }
+      return null;
+    }
+
+    return createChainableTypeChecker(validate);
+  }
+
+  function isNode(propValue) {
+    switch (typeof propValue) {
+      case 'number':
+      case 'string':
+      case 'undefined':
+        return true;
+      case 'boolean':
+        return !propValue;
+      case 'object':
+        if (Array.isArray(propValue)) {
+          return propValue.every(isNode);
+        }
+        if (propValue === null || isValidElement(propValue)) {
+          return true;
+        }
+
+        var iteratorFn = getIteratorFn(propValue);
+        if (iteratorFn) {
+          var iterator = iteratorFn.call(propValue);
+          var step;
+          if (iteratorFn !== propValue.entries) {
+            while (!(step = iterator.next()).done) {
+              if (!isNode(step.value)) {
+                return false;
+              }
+            }
+          } else {
+            // Iterator will provide entry [k,v] tuples rather than values.
+            while (!(step = iterator.next()).done) {
+              var entry = step.value;
+              if (entry) {
+                if (!isNode(entry[1])) {
+                  return false;
+                }
+              }
+            }
+          }
+        } else {
+          return false;
+        }
+
+        return true;
+      default:
+        return false;
+    }
+  }
+
+  function isSymbol(propType, propValue) {
+    // Native Symbol.
+    if (propType === 'symbol') {
+      return true;
+    }
+
+    // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'
+    if (propValue['@@toStringTag'] === 'Symbol') {
+      return true;
+    }
+
+    // Fallback for non-spec compliant Symbols which are polyfilled.
+    if (typeof Symbol === 'function' && propValue instanceof Symbol) {
+      return true;
+    }
+
+    return false;
+  }
+
+  // Equivalent of `typeof` but with special handling for array and regexp.
+  function getPropType(propValue) {
+    var propType = typeof propValue;
+    if (Array.isArray(propValue)) {
+      return 'array';
+    }
+    if (propValue instanceof RegExp) {
+      // Old webkits (at least until Android 4.0) return 'function' rather than
+      // 'object' for typeof a RegExp. We'll normalize this here so that /bla/
+      // passes PropTypes.object.
+      return 'object';
+    }
+    if (isSymbol(propType, propValue)) {
+      return 'symbol';
+    }
+    return propType;
+  }
+
+  // This handles more types than `getPropType`. Only used for error messages.
+  // See `createPrimitiveTypeChecker`.
+  function getPreciseType(propValue) {
+    if (typeof propValue === 'undefined' || propValue === null) {
+      return '' + propValue;
+    }
+    var propType = getPropType(propValue);
+    if (propType === 'object') {
+      if (propValue instanceof Date) {
+        return 'date';
+      } else if (propValue instanceof RegExp) {
+        return 'regexp';
+      }
+    }
+    return propType;
+  }
+
+  // Returns a string that is postfixed to a warning about an invalid type.
+  // For example, "undefined" or "of type array"
+  function getPostfixForTypeWarning(value) {
+    var type = getPreciseType(value);
+    switch (type) {
+      case 'array':
+      case 'object':
+        return 'an ' + type;
+      case 'boolean':
+      case 'date':
+      case 'regexp':
+        return 'a ' + type;
+      default:
+        return type;
+    }
+  }
+
+  // Returns class name of the object, if any.
+  function getClassName(propValue) {
+    if (!propValue.constructor || !propValue.constructor.name) {
+      return ANONYMOUS;
+    }
+    return propValue.constructor.name;
+  }
+
+  ReactPropTypes.checkPropTypes = checkPropTypes$2;
+  ReactPropTypes.PropTypes = ReactPropTypes;
+
+  return ReactPropTypes;
+};
+
+
+
+var factoryWithTypeCheckers$2 = Object.freeze({
+	default: factoryWithTypeCheckers,
+	__moduleExports: factoryWithTypeCheckers
+});
+
+'use strict';
+
+var require$$0$31 = ( factoryWithTypeCheckers$2 && factoryWithTypeCheckers ) || factoryWithTypeCheckers$2;
+
+var propTypes = createCommonjsModule(function (module) {
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+{
+  var REACT_ELEMENT_TYPE = (typeof Symbol === 'function' &&
+    Symbol.for &&
+    Symbol.for('react.element')) ||
+    0xeac7;
+
+  var isValidElement = function(object) {
+    return typeof object === 'object' &&
+      object !== null &&
+      object.$$typeof === REACT_ELEMENT_TYPE;
+  };
+
+  // By explicitly using `prop-types` you are opting into new development behavior.
+  // http://fb.me/prop-types-in-prod
+  var throwOnDirectAccess = true;
+  module.exports = require$$0$31(isValidElement, throwOnDirectAccess);
+}
+});
+
+
+
+var propTypes$1 = Object.freeze({
+	default: propTypes,
+	__moduleExports: propTypes
+});
+
+/**
+ * Copyright 2013-2015, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+'use strict';
+
+/**
+ * Use invariant() to assert state which your program assumes to be true.
+ *
+ * Provide sprintf-style format (only %s is supported) and arguments
+ * to provide information about what broke and what you were
+ * expecting.
+ *
+ * The invariant message will be stripped in production, but the invariant
+ * will remain to ensure logic does not differ in production.
+ */
+
+var NODE_ENV = "development";
+
+var invariant$4 = function(condition, format, a, b, c, d, e, f) {
+  if (NODE_ENV !== 'production') {
+    if (format === undefined) {
+      throw new Error('invariant requires an error message argument');
+    }
+  }
+
+  if (!condition) {
+    var error;
+    if (format === undefined) {
+      error = new Error(
+        'Minified exception occurred; use the non-minified dev environment ' +
+        'for the full error message and additional helpful warnings.'
+      );
+    } else {
+      var args = [a, b, c, d, e, f];
+      var argIndex = 0;
+      error = new Error(
+        format.replace(/%s/g, function() { return args[argIndex++]; })
+      );
+      error.name = 'Invariant Violation';
+    }
+
+    error.framesToPop = 1; // we don't care about invariant's own frame
+    throw error;
+  }
+};
+
+var invariant_1$3 = invariant$4;
+
+
+
+var invariant$6 = Object.freeze({
+	default: invariant_1$3,
+	__moduleExports: invariant_1$3
+});
+
+function isAbsolute(pathname) {
+  return pathname.charAt(0) === '/';
+}
+
+// About 1.5x faster than the two-arg version of Array#splice()
+function spliceOne(list, index) {
+  for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) {
+    list[i] = list[k];
+  }
+
+  list.pop();
+}
+
+// This implementation is based heavily on node's url.parse
+function resolvePathname(to) {
+  var from = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
+
+  var toParts = to && to.split('/') || [];
+  var fromParts = from && from.split('/') || [];
+
+  var isToAbs = to && isAbsolute(to);
+  var isFromAbs = from && isAbsolute(from);
+  var mustEndAbs = isToAbs || isFromAbs;
+
+  if (to && isAbsolute(to)) {
+    // to is absolute
+    fromParts = toParts;
+  } else if (toParts.length) {
+    // to is relative, drop the filename
+    fromParts.pop();
+    fromParts = fromParts.concat(toParts);
+  }
+
+  if (!fromParts.length) return '/';
+
+  var hasTrailingSlash = void 0;
+  if (fromParts.length) {
+    var last = fromParts[fromParts.length - 1];
+    hasTrailingSlash = last === '.' || last === '..' || last === '';
+  } else {
+    hasTrailingSlash = false;
+  }
+
+  var up = 0;
+  for (var i = fromParts.length; i >= 0; i--) {
+    var part = fromParts[i];
+
+    if (part === '.') {
+      spliceOne(fromParts, i);
+    } else if (part === '..') {
+      spliceOne(fromParts, i);
+      up++;
+    } else if (up) {
+      spliceOne(fromParts, i);
+      up--;
+    }
+  }
+
+  if (!mustEndAbs) for (; up--; up) {
+    fromParts.unshift('..');
+  }if (mustEndAbs && fromParts[0] !== '' && (!fromParts[0] || !isAbsolute(fromParts[0]))) fromParts.unshift('');
+
+  var result = fromParts.join('/');
+
+  if (hasTrailingSlash && result.substr(-1) !== '/') result += '/';
+
+  return result;
+}
+
+
+
+var resolvePathname$2 = Object.freeze({
+	default: resolvePathname
+});
+
+var _typeof$1 = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+function valueEqual(a, b) {
+  if (a === b) return true;
+
+  if (a == null || b == null) return false;
+
+  if (Array.isArray(a)) {
+    return Array.isArray(b) && a.length === b.length && a.every(function (item, index) {
+      return valueEqual(item, b[index]);
+    });
+  }
+
+  var aType = typeof a === 'undefined' ? 'undefined' : _typeof$1(a);
+  var bType = typeof b === 'undefined' ? 'undefined' : _typeof$1(b);
+
+  if (aType !== bType) return false;
+
+  if (aType === 'object') {
+    var aValue = a.valueOf();
+    var bValue = b.valueOf();
+
+    if (aValue !== a || bValue !== b) return valueEqual(aValue, bValue);
+
+    var aKeys = Object.keys(a);
+    var bKeys = Object.keys(b);
+
+    if (aKeys.length !== bKeys.length) return false;
+
+    return aKeys.every(function (key) {
+      return valueEqual(a[key], b[key]);
+    });
+  }
+
+  return false;
+}
+
+
+
+var valueEqual$2 = Object.freeze({
+	default: valueEqual
+});
+
+var PathUtils$1 = createCommonjsModule(function (module, exports) {
+'use strict';
+
+exports.__esModule = true;
+var addLeadingSlash = exports.addLeadingSlash = function addLeadingSlash(path) {
+  return path.charAt(0) === '/' ? path : '/' + path;
+};
+
+var stripLeadingSlash = exports.stripLeadingSlash = function stripLeadingSlash(path) {
+  return path.charAt(0) === '/' ? path.substr(1) : path;
+};
+
+var hasBasename = exports.hasBasename = function hasBasename(path, prefix) {
+  return new RegExp('^' + prefix + '(\\/|\\?|#|$)', 'i').test(path);
+};
+
+var stripBasename = exports.stripBasename = function stripBasename(path, prefix) {
+  return hasBasename(path, prefix) ? path.substr(prefix.length) : path;
+};
+
+var stripTrailingSlash = exports.stripTrailingSlash = function stripTrailingSlash(path) {
+  return path.charAt(path.length - 1) === '/' ? path.slice(0, -1) : path;
+};
+
+var parsePath = exports.parsePath = function parsePath(path) {
+  var pathname = path || '/';
+  var search = '';
+  var hash = '';
+
+  var hashIndex = pathname.indexOf('#');
+  if (hashIndex !== -1) {
+    hash = pathname.substr(hashIndex);
+    pathname = pathname.substr(0, hashIndex);
+  }
+
+  var searchIndex = pathname.indexOf('?');
+  if (searchIndex !== -1) {
+    search = pathname.substr(searchIndex);
+    pathname = pathname.substr(0, searchIndex);
+  }
+
+  return {
+    pathname: pathname,
+    search: search === '?' ? '' : search,
+    hash: hash === '#' ? '' : hash
+  };
+};
+
+var createPath = exports.createPath = function createPath(location) {
+  var pathname = location.pathname,
+      search = location.search,
+      hash = location.hash;
+
+
+  var path = pathname || '/';
+
+  if (search && search !== '?') path += search.charAt(0) === '?' ? search : '?' + search;
+
+  if (hash && hash !== '#') path += hash.charAt(0) === '#' ? hash : '#' + hash;
+
+  return path;
+};
+});
+
+var PathUtils$2 = unwrapExports(PathUtils$1);
+var PathUtils_1 = PathUtils$1.addLeadingSlash;
+var PathUtils_2 = PathUtils$1.stripLeadingSlash;
+var PathUtils_3 = PathUtils$1.hasBasename;
+var PathUtils_4 = PathUtils$1.stripBasename;
+var PathUtils_5 = PathUtils$1.stripTrailingSlash;
+var PathUtils_6 = PathUtils$1.parsePath;
+var PathUtils_7 = PathUtils$1.createPath;
+
+
+var PathUtils$3 = Object.freeze({
+	default: PathUtils$2,
+	__moduleExports: PathUtils$1,
+	addLeadingSlash: PathUtils_1,
+	stripLeadingSlash: PathUtils_2,
+	hasBasename: PathUtils_3,
+	stripBasename: PathUtils_4,
+	stripTrailingSlash: PathUtils_5,
+	parsePath: PathUtils_6,
+	createPath: PathUtils_7
+});
+
+var _resolvePathname = ( resolvePathname$2 && resolvePathname ) || resolvePathname$2;
+
+var _valueEqual = ( valueEqual$2 && valueEqual ) || valueEqual$2;
+
+var _PathUtils = ( PathUtils$3 && PathUtils$2 ) || PathUtils$3;
+
+var LocationUtils = createCommonjsModule(function (module, exports) {
+'use strict';
+
+exports.__esModule = true;
+exports.locationsAreEqual = exports.createLocation = undefined;
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+
+
+var _resolvePathname2 = _interopRequireDefault(_resolvePathname);
+
+
+
+var _valueEqual2 = _interopRequireDefault(_valueEqual);
+
+
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var createLocation = exports.createLocation = function createLocation(path, state, key, currentLocation) {
+  var location = void 0;
+  if (typeof path === 'string') {
+    // Two-arg form: push(path, state)
+    location = (0, _PathUtils.parsePath)(path);
+    location.state = state;
+  } else {
+    // One-arg form: push(location)
+    location = _extends({}, path);
+
+    if (location.pathname === undefined) location.pathname = '';
+
+    if (location.search) {
+      if (location.search.charAt(0) !== '?') location.search = '?' + location.search;
+    } else {
+      location.search = '';
+    }
+
+    if (location.hash) {
+      if (location.hash.charAt(0) !== '#') location.hash = '#' + location.hash;
+    } else {
+      location.hash = '';
+    }
+
+    if (state !== undefined && location.state === undefined) location.state = state;
+  }
+
+  try {
+    location.pathname = decodeURI(location.pathname);
+  } catch (e) {
+    if (e instanceof URIError) {
+      throw new URIError('Pathname "' + location.pathname + '" could not be decoded. ' + 'This is likely caused by an invalid percent-encoding.');
+    } else {
+      throw e;
+    }
+  }
+
+  if (key) location.key = key;
+
+  if (currentLocation) {
+    // Resolve incomplete/relative pathname relative to current location.
+    if (!location.pathname) {
+      location.pathname = currentLocation.pathname;
+    } else if (location.pathname.charAt(0) !== '/') {
+      location.pathname = (0, _resolvePathname2.default)(location.pathname, currentLocation.pathname);
+    }
+  } else {
+    // When there is no prior location and pathname is empty, set it to /
+    if (!location.pathname) {
+      location.pathname = '/';
+    }
+  }
+
+  return location;
+};
+
+var locationsAreEqual = exports.locationsAreEqual = function locationsAreEqual(a, b) {
+  return a.pathname === b.pathname && a.search === b.search && a.hash === b.hash && a.key === b.key && (0, _valueEqual2.default)(a.state, b.state);
+};
+});
+
+var LocationUtils$1 = unwrapExports(LocationUtils);
+var LocationUtils_1 = LocationUtils.locationsAreEqual;
+var LocationUtils_2 = LocationUtils.createLocation;
+
+
+var LocationUtils$2 = Object.freeze({
+	default: LocationUtils$1,
+	__moduleExports: LocationUtils,
+	locationsAreEqual: LocationUtils_1,
+	createLocation: LocationUtils_2
+});
+
+var _warning = ( warning$6 && warning_1$3 ) || warning$6;
+
+var createTransitionManager_1 = createCommonjsModule(function (module, exports) {
+'use strict';
+
+exports.__esModule = true;
+
+
+
+var _warning2 = _interopRequireDefault(_warning);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var createTransitionManager = function createTransitionManager() {
+  var prompt = null;
+
+  var setPrompt = function setPrompt(nextPrompt) {
+    (0, _warning2.default)(prompt == null, 'A history supports only one prompt at a time');
+
+    prompt = nextPrompt;
+
+    return function () {
+      if (prompt === nextPrompt) prompt = null;
+    };
+  };
+
+  var confirmTransitionTo = function confirmTransitionTo(location, action, getUserConfirmation, callback) {
+    // TODO: If another transition starts while we're still confirming
+    // the previous one, we may end up in a weird state. Figure out the
+    // best way to handle this.
+    if (prompt != null) {
+      var result = typeof prompt === 'function' ? prompt(location, action) : prompt;
+
+      if (typeof result === 'string') {
+        if (typeof getUserConfirmation === 'function') {
+          getUserConfirmation(result, callback);
+        } else {
+          (0, _warning2.default)(false, 'A history needs a getUserConfirmation function in order to use a prompt message');
+
+          callback(true);
+        }
+      } else {
+        // Return false from a transition hook to cancel the transition.
+        callback(result !== false);
+      }
+    } else {
+      callback(true);
+    }
+  };
+
+  var listeners = [];
+
+  var appendListener = function appendListener(fn) {
+    var isActive = true;
+
+    var listener = function listener() {
+      if (isActive) fn.apply(undefined, arguments);
+    };
+
+    listeners.push(listener);
+
+    return function () {
+      isActive = false;
+      listeners = listeners.filter(function (item) {
+        return item !== listener;
+      });
+    };
+  };
+
+  var notifyListeners = function notifyListeners() {
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    listeners.forEach(function (listener) {
+      return listener.apply(undefined, args);
+    });
+  };
+
+  return {
+    setPrompt: setPrompt,
+    confirmTransitionTo: confirmTransitionTo,
+    appendListener: appendListener,
+    notifyListeners: notifyListeners
+  };
+};
+
+exports.default = createTransitionManager;
+});
+
+var createTransitionManager = unwrapExports(createTransitionManager_1);
+
+
+var createTransitionManager$1 = Object.freeze({
+	default: createTransitionManager,
+	__moduleExports: createTransitionManager_1
+});
+
+var DOMUtils = createCommonjsModule(function (module, exports) {
+'use strict';
+
+exports.__esModule = true;
+var canUseDOM = exports.canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);
+
+var addEventListener = exports.addEventListener = function addEventListener(node, event, listener) {
+  return node.addEventListener ? node.addEventListener(event, listener, false) : node.attachEvent('on' + event, listener);
+};
+
+var removeEventListener = exports.removeEventListener = function removeEventListener(node, event, listener) {
+  return node.removeEventListener ? node.removeEventListener(event, listener, false) : node.detachEvent('on' + event, listener);
+};
+
+var getConfirmation = exports.getConfirmation = function getConfirmation(message, callback) {
+  return callback(window.confirm(message));
+}; // eslint-disable-line no-alert
+
+/**
+ * Returns true if the HTML5 history API is supported. Taken from Modernizr.
+ *
+ * https://github.com/Modernizr/Modernizr/blob/master/LICENSE
+ * https://github.com/Modernizr/Modernizr/blob/master/feature-detects/history.js
+ * changed to avoid false negatives for Windows Phones: https://github.com/reactjs/react-router/issues/586
+ */
+var supportsHistory = exports.supportsHistory = function supportsHistory() {
+  var ua = window.navigator.userAgent;
+
+  if ((ua.indexOf('Android 2.') !== -1 || ua.indexOf('Android 4.0') !== -1) && ua.indexOf('Mobile Safari') !== -1 && ua.indexOf('Chrome') === -1 && ua.indexOf('Windows Phone') === -1) return false;
+
+  return window.history && 'pushState' in window.history;
+};
+
+/**
+ * Returns true if browser fires popstate on hash change.
+ * IE10 and IE11 do not.
+ */
+var supportsPopStateOnHashChange = exports.supportsPopStateOnHashChange = function supportsPopStateOnHashChange() {
+  return window.navigator.userAgent.indexOf('Trident') === -1;
+};
+
+/**
+ * Returns false if using go(n) with hash history causes a full page reload.
+ */
+var supportsGoWithoutReloadUsingHash = exports.supportsGoWithoutReloadUsingHash = function supportsGoWithoutReloadUsingHash() {
+  return window.navigator.userAgent.indexOf('Firefox') === -1;
+};
+
+/**
+ * Returns true if a given popstate event is an extraneous WebKit event.
+ * Accounts for the fact that Chrome on iOS fires real popstate events
+ * containing undefined state when pressing the back button.
+ */
+var isExtraneousPopstateEvent = exports.isExtraneousPopstateEvent = function isExtraneousPopstateEvent(event) {
+  return event.state === undefined && navigator.userAgent.indexOf('CriOS') === -1;
+};
+});
+
+var DOMUtils$1 = unwrapExports(DOMUtils);
+var DOMUtils_1 = DOMUtils.canUseDOM;
+var DOMUtils_2 = DOMUtils.addEventListener;
+var DOMUtils_3 = DOMUtils.removeEventListener;
+var DOMUtils_4 = DOMUtils.getConfirmation;
+var DOMUtils_5 = DOMUtils.supportsHistory;
+var DOMUtils_6 = DOMUtils.supportsPopStateOnHashChange;
+var DOMUtils_7 = DOMUtils.supportsGoWithoutReloadUsingHash;
+var DOMUtils_8 = DOMUtils.isExtraneousPopstateEvent;
+
+
+var DOMUtils$2 = Object.freeze({
+	default: DOMUtils$1,
+	__moduleExports: DOMUtils,
+	canUseDOM: DOMUtils_1,
+	addEventListener: DOMUtils_2,
+	removeEventListener: DOMUtils_3,
+	getConfirmation: DOMUtils_4,
+	supportsHistory: DOMUtils_5,
+	supportsPopStateOnHashChange: DOMUtils_6,
+	supportsGoWithoutReloadUsingHash: DOMUtils_7,
+	isExtraneousPopstateEvent: DOMUtils_8
+});
+
+var _invariant = ( invariant$6 && invariant_1$3 ) || invariant$6;
+
+var _LocationUtils = ( LocationUtils$2 && LocationUtils$1 ) || LocationUtils$2;
+
+var _createTransitionManager = ( createTransitionManager$1 && createTransitionManager ) || createTransitionManager$1;
+
+var _DOMUtils = ( DOMUtils$2 && DOMUtils$1 ) || DOMUtils$2;
+
+var createBrowserHistory_1 = createCommonjsModule(function (module, exports) {
+'use strict';
+
+exports.__esModule = true;
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+
+
+var _warning2 = _interopRequireDefault(_warning);
+
+
+
+var _invariant2 = _interopRequireDefault(_invariant);
+
+
+
+
+
+
+
+var _createTransitionManager2 = _interopRequireDefault(_createTransitionManager);
+
+
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var PopStateEvent = 'popstate';
+var HashChangeEvent = 'hashchange';
+
+var getHistoryState = function getHistoryState() {
+  try {
+    return window.history.state || {};
+  } catch (e) {
+    // IE 11 sometimes throws when accessing window.history.state
+    // See https://github.com/ReactTraining/history/pull/289
+    return {};
+  }
+};
+
+/**
+ * Creates a history object that uses the HTML5 history API including
+ * pushState, replaceState, and the popstate event.
+ */
+var createBrowserHistory = function createBrowserHistory() {
+  var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+  (0, _invariant2.default)(_DOMUtils.canUseDOM, 'Browser history needs a DOM');
+
+  var globalHistory = window.history;
+  var canUseHistory = (0, _DOMUtils.supportsHistory)();
+  var needsHashChangeListener = !(0, _DOMUtils.supportsPopStateOnHashChange)();
+
+  var _props$forceRefresh = props.forceRefresh,
+      forceRefresh = _props$forceRefresh === undefined ? false : _props$forceRefresh,
+      _props$getUserConfirm = props.getUserConfirmation,
+      getUserConfirmation = _props$getUserConfirm === undefined ? _DOMUtils.getConfirmation : _props$getUserConfirm,
+      _props$keyLength = props.keyLength,
+      keyLength = _props$keyLength === undefined ? 6 : _props$keyLength;
+
+  var basename = props.basename ? (0, _PathUtils.stripTrailingSlash)((0, _PathUtils.addLeadingSlash)(props.basename)) : '';
+
+  var getDOMLocation = function getDOMLocation(historyState) {
+    var _ref = historyState || {},
+        key = _ref.key,
+        state = _ref.state;
+
+    var _window$location = window.location,
+        pathname = _window$location.pathname,
+        search = _window$location.search,
+        hash = _window$location.hash;
+
+
+    var path = pathname + search + hash;
+
+    (0, _warning2.default)(!basename || (0, _PathUtils.hasBasename)(path, basename), 'You are attempting to use a basename on a page whose URL path does not begin ' + 'with the basename. Expected path "' + path + '" to begin with "' + basename + '".');
+
+    if (basename) path = (0, _PathUtils.stripBasename)(path, basename);
+
+    return (0, _LocationUtils.createLocation)(path, state, key);
+  };
+
+  var createKey = function createKey() {
+    return Math.random().toString(36).substr(2, keyLength);
+  };
+
+  var transitionManager = (0, _createTransitionManager2.default)();
+
+  var setState = function setState(nextState) {
+    _extends(history, nextState);
+
+    history.length = globalHistory.length;
+
+    transitionManager.notifyListeners(history.location, history.action);
+  };
+
+  var handlePopState = function handlePopState(event) {
+    // Ignore extraneous popstate events in WebKit.
+    if ((0, _DOMUtils.isExtraneousPopstateEvent)(event)) return;
+
+    handlePop(getDOMLocation(event.state));
+  };
+
+  var handleHashChange = function handleHashChange() {
+    handlePop(getDOMLocation(getHistoryState()));
+  };
+
+  var forceNextPop = false;
+
+  var handlePop = function handlePop(location) {
+    if (forceNextPop) {
+      forceNextPop = false;
+      setState();
+    } else {
+      var action = 'POP';
+
+      transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
+        if (ok) {
+          setState({ action: action, location: location });
+        } else {
+          revertPop(location);
+        }
+      });
+    }
+  };
+
+  var revertPop = function revertPop(fromLocation) {
+    var toLocation = history.location;
+
+    // TODO: We could probably make this more reliable by
+    // keeping a list of keys we've seen in sessionStorage.
+    // Instead, we just default to 0 for keys we don't know.
+
+    var toIndex = allKeys.indexOf(toLocation.key);
+
+    if (toIndex === -1) toIndex = 0;
+
+    var fromIndex = allKeys.indexOf(fromLocation.key);
+
+    if (fromIndex === -1) fromIndex = 0;
+
+    var delta = toIndex - fromIndex;
+
+    if (delta) {
+      forceNextPop = true;
+      go(delta);
+    }
+  };
+
+  var initialLocation = getDOMLocation(getHistoryState());
+  var allKeys = [initialLocation.key];
+
+  // Public interface
+
+  var createHref = function createHref(location) {
+    return basename + (0, _PathUtils.createPath)(location);
+  };
+
+  var push = function push(path, state) {
+    (0, _warning2.default)(!((typeof path === 'undefined' ? 'undefined' : _typeof(path)) === 'object' && path.state !== undefined && state !== undefined), 'You should avoid providing a 2nd state argument to push when the 1st ' + 'argument is a location-like object that already has state; it is ignored');
+
+    var action = 'PUSH';
+    var location = (0, _LocationUtils.createLocation)(path, state, createKey(), history.location);
+
+    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
+      if (!ok) return;
+
+      var href = createHref(location);
+      var key = location.key,
+          state = location.state;
+
+
+      if (canUseHistory) {
+        globalHistory.pushState({ key: key, state: state }, null, href);
+
+        if (forceRefresh) {
+          window.location.href = href;
+        } else {
+          var prevIndex = allKeys.indexOf(history.location.key);
+          var nextKeys = allKeys.slice(0, prevIndex === -1 ? 0 : prevIndex + 1);
+
+          nextKeys.push(location.key);
+          allKeys = nextKeys;
+
+          setState({ action: action, location: location });
+        }
+      } else {
+        (0, _warning2.default)(state === undefined, 'Browser history cannot push state in browsers that do not support HTML5 history');
+
+        window.location.href = href;
+      }
+    });
+  };
+
+  var replace = function replace(path, state) {
+    (0, _warning2.default)(!((typeof path === 'undefined' ? 'undefined' : _typeof(path)) === 'object' && path.state !== undefined && state !== undefined), 'You should avoid providing a 2nd state argument to replace when the 1st ' + 'argument is a location-like object that already has state; it is ignored');
+
+    var action = 'REPLACE';
+    var location = (0, _LocationUtils.createLocation)(path, state, createKey(), history.location);
+
+    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
+      if (!ok) return;
+
+      var href = createHref(location);
+      var key = location.key,
+          state = location.state;
+
+
+      if (canUseHistory) {
+        globalHistory.replaceState({ key: key, state: state }, null, href);
+
+        if (forceRefresh) {
+          window.location.replace(href);
+        } else {
+          var prevIndex = allKeys.indexOf(history.location.key);
+
+          if (prevIndex !== -1) allKeys[prevIndex] = location.key;
+
+          setState({ action: action, location: location });
+        }
+      } else {
+        (0, _warning2.default)(state === undefined, 'Browser history cannot replace state in browsers that do not support HTML5 history');
+
+        window.location.replace(href);
+      }
+    });
+  };
+
+  var go = function go(n) {
+    globalHistory.go(n);
+  };
+
+  var goBack = function goBack() {
+    return go(-1);
+  };
+
+  var goForward = function goForward() {
+    return go(1);
+  };
+
+  var listenerCount = 0;
+
+  var checkDOMListeners = function checkDOMListeners(delta) {
+    listenerCount += delta;
+
+    if (listenerCount === 1) {
+      (0, _DOMUtils.addEventListener)(window, PopStateEvent, handlePopState);
+
+      if (needsHashChangeListener) (0, _DOMUtils.addEventListener)(window, HashChangeEvent, handleHashChange);
+    } else if (listenerCount === 0) {
+      (0, _DOMUtils.removeEventListener)(window, PopStateEvent, handlePopState);
+
+      if (needsHashChangeListener) (0, _DOMUtils.removeEventListener)(window, HashChangeEvent, handleHashChange);
+    }
+  };
+
+  var isBlocked = false;
+
+  var block = function block() {
+    var prompt = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+    var unblock = transitionManager.setPrompt(prompt);
+
+    if (!isBlocked) {
+      checkDOMListeners(1);
+      isBlocked = true;
+    }
+
+    return function () {
+      if (isBlocked) {
+        isBlocked = false;
+        checkDOMListeners(-1);
+      }
+
+      return unblock();
+    };
+  };
+
+  var listen = function listen(listener) {
+    var unlisten = transitionManager.appendListener(listener);
+    checkDOMListeners(1);
+
+    return function () {
+      checkDOMListeners(-1);
+      unlisten();
+    };
+  };
+
+  var history = {
+    length: globalHistory.length,
+    action: 'POP',
+    location: initialLocation,
+    createHref: createHref,
+    push: push,
+    replace: replace,
+    go: go,
+    goBack: goBack,
+    goForward: goForward,
+    block: block,
+    listen: listen
+  };
+
+  return history;
+};
+
+exports.default = createBrowserHistory;
+});
+
+var createHistory = unwrapExports(createBrowserHistory_1);
+
+var _extends$1 = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+function _classCallCheck$2(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn$2(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits$2(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Router$1 = function (_React$Component) {
+  _inherits$2(Router, _React$Component);
+
+  function Router() {
+    var _temp, _this, _ret;
+
+    _classCallCheck$2(this, Router);
+
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    return _ret = (_temp = (_this = _possibleConstructorReturn$2(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this.state = {
+      match: _this.computeMatch(_this.props.history.location.pathname)
+    }, _temp), _possibleConstructorReturn$2(_this, _ret);
+  }
+
+  Router.prototype.getChildContext = function getChildContext() {
+    return {
+      router: _extends$1({}, this.context.router, {
+        history: this.props.history,
+        route: {
+          location: this.props.history.location,
+          match: this.state.match
+        }
+      })
+    };
+  };
+
+  Router.prototype.computeMatch = function computeMatch(pathname) {
+    return {
+      path: '/',
+      url: '/',
+      params: {},
+      isExact: pathname === '/'
+    };
+  };
+
+  Router.prototype.componentWillMount = function componentWillMount() {
+    var _this2 = this;
+
+    var _props = this.props,
+        children = _props.children,
+        history = _props.history;
+
+
+    invariant_1$3(children == null || react.Children.count(children) === 1, 'A <Router> may have only one child element');
+
+    // Do this here so we can setState when a <Redirect> changes the
+    // location in componentWillMount. This happens e.g. when doing
+    // server rendering using a <StaticRouter>.
+    this.unlisten = history.listen(function () {
+      _this2.setState({
+        match: _this2.computeMatch(history.location.pathname)
+      });
+    });
+  };
+
+  Router.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
+    warning_1$3(this.props.history === nextProps.history, 'You cannot change <Router history>');
+  };
+
+  Router.prototype.componentWillUnmount = function componentWillUnmount() {
+    this.unlisten();
+  };
+
+  Router.prototype.render = function render() {
+    var children = this.props.children;
+
+    return children ? react.Children.only(children) : null;
+  };
+
+  return Router;
+}(react.Component);
+
+Router$1.propTypes = {
+  history: propTypes.object.isRequired,
+  children: propTypes.node
+};
+Router$1.contextTypes = {
+  router: propTypes.object
+};
+Router$1.childContextTypes = {
+  router: propTypes.object.isRequired
+};
+
+// Written in this round about way for babel-transform-imports
+
+function _classCallCheck$1(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn$1(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits$1(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var BrowserRouter = function (_React$Component) {
+  _inherits$1(BrowserRouter, _React$Component);
+
+  function BrowserRouter() {
+    var _temp, _this, _ret;
+
+    _classCallCheck$1(this, BrowserRouter);
+
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    return _ret = (_temp = (_this = _possibleConstructorReturn$1(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this.history = createHistory(_this.props), _temp), _possibleConstructorReturn$1(_this, _ret);
+  }
+
+  BrowserRouter.prototype.componentWillMount = function componentWillMount() {
+    warning_1$3(!this.props.history, '<BrowserRouter> ignores the history prop. To use a custom history, ' + 'use `import { Router }` instead of `import { BrowserRouter as Router }`.');
+  };
+
+  BrowserRouter.prototype.render = function render() {
+    return react.createElement(Router$1, { history: this.history, children: this.props.children });
+  };
+
+  return BrowserRouter;
+}(react.Component);
+
+BrowserRouter.propTypes = {
+  basename: propTypes.string,
+  forceRefresh: propTypes.bool,
+  getUserConfirmation: propTypes.func,
+  keyLength: propTypes.number,
+  children: propTypes.node
+};
+
+var createHashHistory_1 = createCommonjsModule(function (module, exports) {
+'use strict';
+
+exports.__esModule = true;
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+
+
+var _warning2 = _interopRequireDefault(_warning);
+
+
+
+var _invariant2 = _interopRequireDefault(_invariant);
+
+
+
+
+
+
+
+var _createTransitionManager2 = _interopRequireDefault(_createTransitionManager);
+
+
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var HashChangeEvent = 'hashchange';
+
+var HashPathCoders = {
+  hashbang: {
+    encodePath: function encodePath(path) {
+      return path.charAt(0) === '!' ? path : '!/' + (0, _PathUtils.stripLeadingSlash)(path);
+    },
+    decodePath: function decodePath(path) {
+      return path.charAt(0) === '!' ? path.substr(1) : path;
+    }
+  },
+  noslash: {
+    encodePath: _PathUtils.stripLeadingSlash,
+    decodePath: _PathUtils.addLeadingSlash
+  },
+  slash: {
+    encodePath: _PathUtils.addLeadingSlash,
+    decodePath: _PathUtils.addLeadingSlash
+  }
+};
+
+var getHashPath = function getHashPath() {
+  // We can't use window.location.hash here because it's not
+  // consistent across browsers - Firefox will pre-decode it!
+  var href = window.location.href;
+  var hashIndex = href.indexOf('#');
+  return hashIndex === -1 ? '' : href.substring(hashIndex + 1);
+};
+
+var pushHashPath = function pushHashPath(path) {
+  return window.location.hash = path;
+};
+
+var replaceHashPath = function replaceHashPath(path) {
+  var hashIndex = window.location.href.indexOf('#');
+
+  window.location.replace(window.location.href.slice(0, hashIndex >= 0 ? hashIndex : 0) + '#' + path);
+};
+
+var createHashHistory = function createHashHistory() {
+  var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+  (0, _invariant2.default)(_DOMUtils.canUseDOM, 'Hash history needs a DOM');
+
+  var globalHistory = window.history;
+  var canGoWithoutReload = (0, _DOMUtils.supportsGoWithoutReloadUsingHash)();
+
+  var _props$getUserConfirm = props.getUserConfirmation,
+      getUserConfirmation = _props$getUserConfirm === undefined ? _DOMUtils.getConfirmation : _props$getUserConfirm,
+      _props$hashType = props.hashType,
+      hashType = _props$hashType === undefined ? 'slash' : _props$hashType;
+
+  var basename = props.basename ? (0, _PathUtils.stripTrailingSlash)((0, _PathUtils.addLeadingSlash)(props.basename)) : '';
+
+  var _HashPathCoders$hashT = HashPathCoders[hashType],
+      encodePath = _HashPathCoders$hashT.encodePath,
+      decodePath = _HashPathCoders$hashT.decodePath;
+
+
+  var getDOMLocation = function getDOMLocation() {
+    var path = decodePath(getHashPath());
+
+    (0, _warning2.default)(!basename || (0, _PathUtils.hasBasename)(path, basename), 'You are attempting to use a basename on a page whose URL path does not begin ' + 'with the basename. Expected path "' + path + '" to begin with "' + basename + '".');
+
+    if (basename) path = (0, _PathUtils.stripBasename)(path, basename);
+
+    return (0, _LocationUtils.createLocation)(path);
+  };
+
+  var transitionManager = (0, _createTransitionManager2.default)();
+
+  var setState = function setState(nextState) {
+    _extends(history, nextState);
+
+    history.length = globalHistory.length;
+
+    transitionManager.notifyListeners(history.location, history.action);
+  };
+
+  var forceNextPop = false;
+  var ignorePath = null;
+
+  var handleHashChange = function handleHashChange() {
+    var path = getHashPath();
+    var encodedPath = encodePath(path);
+
+    if (path !== encodedPath) {
+      // Ensure we always have a properly-encoded hash.
+      replaceHashPath(encodedPath);
+    } else {
+      var location = getDOMLocation();
+      var prevLocation = history.location;
+
+      if (!forceNextPop && (0, _LocationUtils.locationsAreEqual)(prevLocation, location)) return; // A hashchange doesn't always == location change.
+
+      if (ignorePath === (0, _PathUtils.createPath)(location)) return; // Ignore this change; we already setState in push/replace.
+
+      ignorePath = null;
+
+      handlePop(location);
+    }
+  };
+
+  var handlePop = function handlePop(location) {
+    if (forceNextPop) {
+      forceNextPop = false;
+      setState();
+    } else {
+      var action = 'POP';
+
+      transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
+        if (ok) {
+          setState({ action: action, location: location });
+        } else {
+          revertPop(location);
+        }
+      });
+    }
+  };
+
+  var revertPop = function revertPop(fromLocation) {
+    var toLocation = history.location;
+
+    // TODO: We could probably make this more reliable by
+    // keeping a list of paths we've seen in sessionStorage.
+    // Instead, we just default to 0 for paths we don't know.
+
+    var toIndex = allPaths.lastIndexOf((0, _PathUtils.createPath)(toLocation));
+
+    if (toIndex === -1) toIndex = 0;
+
+    var fromIndex = allPaths.lastIndexOf((0, _PathUtils.createPath)(fromLocation));
+
+    if (fromIndex === -1) fromIndex = 0;
+
+    var delta = toIndex - fromIndex;
+
+    if (delta) {
+      forceNextPop = true;
+      go(delta);
+    }
+  };
+
+  // Ensure the hash is encoded properly before doing anything else.
+  var path = getHashPath();
+  var encodedPath = encodePath(path);
+
+  if (path !== encodedPath) replaceHashPath(encodedPath);
+
+  var initialLocation = getDOMLocation();
+  var allPaths = [(0, _PathUtils.createPath)(initialLocation)];
+
+  // Public interface
+
+  var createHref = function createHref(location) {
+    return '#' + encodePath(basename + (0, _PathUtils.createPath)(location));
+  };
+
+  var push = function push(path, state) {
+    (0, _warning2.default)(state === undefined, 'Hash history cannot push state; it is ignored');
+
+    var action = 'PUSH';
+    var location = (0, _LocationUtils.createLocation)(path, undefined, undefined, history.location);
+
+    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
+      if (!ok) return;
+
+      var path = (0, _PathUtils.createPath)(location);
+      var encodedPath = encodePath(basename + path);
+      var hashChanged = getHashPath() !== encodedPath;
+
+      if (hashChanged) {
+        // We cannot tell if a hashchange was caused by a PUSH, so we'd
+        // rather setState here and ignore the hashchange. The caveat here
+        // is that other hash histories in the page will consider it a POP.
+        ignorePath = path;
+        pushHashPath(encodedPath);
+
+        var prevIndex = allPaths.lastIndexOf((0, _PathUtils.createPath)(history.location));
+        var nextPaths = allPaths.slice(0, prevIndex === -1 ? 0 : prevIndex + 1);
+
+        nextPaths.push(path);
+        allPaths = nextPaths;
+
+        setState({ action: action, location: location });
+      } else {
+        (0, _warning2.default)(false, 'Hash history cannot PUSH the same path; a new entry will not be added to the history stack');
+
+        setState();
+      }
+    });
+  };
+
+  var replace = function replace(path, state) {
+    (0, _warning2.default)(state === undefined, 'Hash history cannot replace state; it is ignored');
+
+    var action = 'REPLACE';
+    var location = (0, _LocationUtils.createLocation)(path, undefined, undefined, history.location);
+
+    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
+      if (!ok) return;
+
+      var path = (0, _PathUtils.createPath)(location);
+      var encodedPath = encodePath(basename + path);
+      var hashChanged = getHashPath() !== encodedPath;
+
+      if (hashChanged) {
+        // We cannot tell if a hashchange was caused by a REPLACE, so we'd
+        // rather setState here and ignore the hashchange. The caveat here
+        // is that other hash histories in the page will consider it a POP.
+        ignorePath = path;
+        replaceHashPath(encodedPath);
+      }
+
+      var prevIndex = allPaths.indexOf((0, _PathUtils.createPath)(history.location));
+
+      if (prevIndex !== -1) allPaths[prevIndex] = path;
+
+      setState({ action: action, location: location });
+    });
+  };
+
+  var go = function go(n) {
+    (0, _warning2.default)(canGoWithoutReload, 'Hash history go(n) causes a full page reload in this browser');
+
+    globalHistory.go(n);
+  };
+
+  var goBack = function goBack() {
+    return go(-1);
+  };
+
+  var goForward = function goForward() {
+    return go(1);
+  };
+
+  var listenerCount = 0;
+
+  var checkDOMListeners = function checkDOMListeners(delta) {
+    listenerCount += delta;
+
+    if (listenerCount === 1) {
+      (0, _DOMUtils.addEventListener)(window, HashChangeEvent, handleHashChange);
+    } else if (listenerCount === 0) {
+      (0, _DOMUtils.removeEventListener)(window, HashChangeEvent, handleHashChange);
+    }
+  };
+
+  var isBlocked = false;
+
+  var block = function block() {
+    var prompt = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+    var unblock = transitionManager.setPrompt(prompt);
+
+    if (!isBlocked) {
+      checkDOMListeners(1);
+      isBlocked = true;
+    }
+
+    return function () {
+      if (isBlocked) {
+        isBlocked = false;
+        checkDOMListeners(-1);
+      }
+
+      return unblock();
+    };
+  };
+
+  var listen = function listen(listener) {
+    var unlisten = transitionManager.appendListener(listener);
+    checkDOMListeners(1);
+
+    return function () {
+      checkDOMListeners(-1);
+      unlisten();
+    };
+  };
+
+  var history = {
+    length: globalHistory.length,
+    action: 'POP',
+    location: initialLocation,
+    createHref: createHref,
+    push: push,
+    replace: replace,
+    go: go,
+    goBack: goBack,
+    goForward: goForward,
+    block: block,
+    listen: listen
+  };
+
+  return history;
+};
+
+exports.default = createHashHistory;
+});
+
+var createHistory$1 = unwrapExports(createHashHistory_1);
+
+function _classCallCheck$3(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn$3(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits$3(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var HashRouter = function (_React$Component) {
+  _inherits$3(HashRouter, _React$Component);
+
+  function HashRouter() {
+    var _temp, _this, _ret;
+
+    _classCallCheck$3(this, HashRouter);
+
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    return _ret = (_temp = (_this = _possibleConstructorReturn$3(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this.history = createHistory$1(_this.props), _temp), _possibleConstructorReturn$3(_this, _ret);
+  }
+
+  HashRouter.prototype.componentWillMount = function componentWillMount() {
+    warning_1$3(!this.props.history, '<HashRouter> ignores the history prop. To use a custom history, ' + 'use `import { Router }` instead of `import { HashRouter as Router }`.');
+  };
+
+  HashRouter.prototype.render = function render() {
+    return react.createElement(Router$1, { history: this.history, children: this.props.children });
+  };
+
+  return HashRouter;
+}(react.Component);
+
+HashRouter.propTypes = {
+  basename: propTypes.string,
+  getUserConfirmation: propTypes.func,
+  hashType: propTypes.oneOf(['hashbang', 'noslash', 'slash']),
+  children: propTypes.node
+};
+
+var _extends$2 = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+function _objectWithoutProperties$1(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }
+
+function _classCallCheck$4(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn$4(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits$4(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var isModifiedEvent = function isModifiedEvent(event) {
+  return !!(event.metaKey || event.altKey || event.ctrlKey || event.shiftKey);
+};
+
+/**
+ * The public API for rendering a history-aware <a>.
+ */
+
+var Link = function (_React$Component) {
+  _inherits$4(Link, _React$Component);
+
+  function Link() {
+    var _temp, _this, _ret;
+
+    _classCallCheck$4(this, Link);
+
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    return _ret = (_temp = (_this = _possibleConstructorReturn$4(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this.handleClick = function (event) {
+      if (_this.props.onClick) _this.props.onClick(event);
+
+      if (!event.defaultPrevented && // onClick prevented default
+      event.button === 0 && // ignore right clicks
+      !_this.props.target && // let browser handle "target=_blank" etc.
+      !isModifiedEvent(event) // ignore clicks with modifier keys
+      ) {
+          event.preventDefault();
+
+          var history = _this.context.router.history;
+          var _this$props = _this.props,
+              replace = _this$props.replace,
+              to = _this$props.to;
+
+
+          if (replace) {
+            history.replace(to);
+          } else {
+            history.push(to);
+          }
+        }
+    }, _temp), _possibleConstructorReturn$4(_this, _ret);
+  }
+
+  Link.prototype.render = function render() {
+    var _props = this.props,
+        replace = _props.replace,
+        to = _props.to,
+        innerRef = _props.innerRef,
+        props = _objectWithoutProperties$1(_props, ['replace', 'to', 'innerRef']); // eslint-disable-line no-unused-vars
+
+    invariant_1$3(this.context.router, 'You should not use <Link> outside a <Router>');
+
+    var href = this.context.router.history.createHref(typeof to === 'string' ? { pathname: to } : to);
+
+    return react.createElement('a', _extends$2({}, props, { onClick: this.handleClick, href: href, ref: innerRef }));
+  };
+
+  return Link;
+}(react.Component);
+
+Link.propTypes = {
+  onClick: propTypes.func,
+  target: propTypes.string,
+  replace: propTypes.bool,
+  to: propTypes.oneOfType([propTypes.string, propTypes.object]).isRequired,
+  innerRef: propTypes.oneOfType([propTypes.string, propTypes.func])
+};
+Link.defaultProps = {
+  replace: false
+};
+Link.contextTypes = {
+  router: propTypes.shape({
+    history: propTypes.shape({
+      push: propTypes.func.isRequired,
+      replace: propTypes.func.isRequired,
+      createHref: propTypes.func.isRequired
+    }).isRequired
+  }).isRequired
+};
+
+var createMemoryHistory_1 = createCommonjsModule(function (module, exports) {
+'use strict';
+
+exports.__esModule = true;
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+
+
+var _warning2 = _interopRequireDefault(_warning);
+
+
+
+
+
+
+
+var _createTransitionManager2 = _interopRequireDefault(_createTransitionManager);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var clamp = function clamp(n, lowerBound, upperBound) {
+  return Math.min(Math.max(n, lowerBound), upperBound);
+};
+
+/**
+ * Creates a history object that stores locations in memory.
+ */
+var createMemoryHistory = function createMemoryHistory() {
+  var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+  var getUserConfirmation = props.getUserConfirmation,
+      _props$initialEntries = props.initialEntries,
+      initialEntries = _props$initialEntries === undefined ? ['/'] : _props$initialEntries,
+      _props$initialIndex = props.initialIndex,
+      initialIndex = _props$initialIndex === undefined ? 0 : _props$initialIndex,
+      _props$keyLength = props.keyLength,
+      keyLength = _props$keyLength === undefined ? 6 : _props$keyLength;
+
+
+  var transitionManager = (0, _createTransitionManager2.default)();
+
+  var setState = function setState(nextState) {
+    _extends(history, nextState);
+
+    history.length = history.entries.length;
+
+    transitionManager.notifyListeners(history.location, history.action);
+  };
+
+  var createKey = function createKey() {
+    return Math.random().toString(36).substr(2, keyLength);
+  };
+
+  var index = clamp(initialIndex, 0, initialEntries.length - 1);
+  var entries = initialEntries.map(function (entry) {
+    return typeof entry === 'string' ? (0, _LocationUtils.createLocation)(entry, undefined, createKey()) : (0, _LocationUtils.createLocation)(entry, undefined, entry.key || createKey());
+  });
+
+  // Public interface
+
+  var createHref = _PathUtils.createPath;
+
+  var push = function push(path, state) {
+    (0, _warning2.default)(!((typeof path === 'undefined' ? 'undefined' : _typeof(path)) === 'object' && path.state !== undefined && state !== undefined), 'You should avoid providing a 2nd state argument to push when the 1st ' + 'argument is a location-like object that already has state; it is ignored');
+
+    var action = 'PUSH';
+    var location = (0, _LocationUtils.createLocation)(path, state, createKey(), history.location);
+
+    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
+      if (!ok) return;
+
+      var prevIndex = history.index;
+      var nextIndex = prevIndex + 1;
+
+      var nextEntries = history.entries.slice(0);
+      if (nextEntries.length > nextIndex) {
+        nextEntries.splice(nextIndex, nextEntries.length - nextIndex, location);
+      } else {
+        nextEntries.push(location);
+      }
+
+      setState({
+        action: action,
+        location: location,
+        index: nextIndex,
+        entries: nextEntries
+      });
+    });
+  };
+
+  var replace = function replace(path, state) {
+    (0, _warning2.default)(!((typeof path === 'undefined' ? 'undefined' : _typeof(path)) === 'object' && path.state !== undefined && state !== undefined), 'You should avoid providing a 2nd state argument to replace when the 1st ' + 'argument is a location-like object that already has state; it is ignored');
+
+    var action = 'REPLACE';
+    var location = (0, _LocationUtils.createLocation)(path, state, createKey(), history.location);
+
+    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
+      if (!ok) return;
+
+      history.entries[history.index] = location;
+
+      setState({ action: action, location: location });
+    });
+  };
+
+  var go = function go(n) {
+    var nextIndex = clamp(history.index + n, 0, history.entries.length - 1);
+
+    var action = 'POP';
+    var location = history.entries[nextIndex];
+
+    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
+      if (ok) {
+        setState({
+          action: action,
+          location: location,
+          index: nextIndex
+        });
+      } else {
+        // Mimic the behavior of DOM histories by
+        // causing a render after a cancelled POP.
+        setState();
+      }
+    });
+  };
+
+  var goBack = function goBack() {
+    return go(-1);
+  };
+
+  var goForward = function goForward() {
+    return go(1);
+  };
+
+  var canGo = function canGo(n) {
+    var nextIndex = history.index + n;
+    return nextIndex >= 0 && nextIndex < history.entries.length;
+  };
+
+  var block = function block() {
+    var prompt = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+    return transitionManager.setPrompt(prompt);
+  };
+
+  var listen = function listen(listener) {
+    return transitionManager.appendListener(listener);
+  };
+
+  var history = {
+    length: entries.length,
+    action: 'POP',
+    location: entries[index],
+    index: index,
+    entries: entries,
+    createHref: createHref,
+    push: push,
+    replace: replace,
+    go: go,
+    goBack: goBack,
+    goForward: goForward,
+    canGo: canGo,
+    block: block,
+    listen: listen
+  };
+
+  return history;
+};
+
+exports.default = createMemoryHistory;
+});
+
+var createHistory$2 = unwrapExports(createMemoryHistory_1);
+
+function _classCallCheck$5(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn$5(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits$5(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var MemoryRouter$1 = function (_React$Component) {
+  _inherits$5(MemoryRouter, _React$Component);
+
+  function MemoryRouter() {
+    var _temp, _this, _ret;
+
+    _classCallCheck$5(this, MemoryRouter);
+
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    return _ret = (_temp = (_this = _possibleConstructorReturn$5(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this.history = createHistory$2(_this.props), _temp), _possibleConstructorReturn$5(_this, _ret);
+  }
+
+  MemoryRouter.prototype.componentWillMount = function componentWillMount() {
+    warning_1$3(!this.props.history, '<MemoryRouter> ignores the history prop. To use a custom history, ' + 'use `import { Router }` instead of `import { MemoryRouter as Router }`.');
+  };
+
+  MemoryRouter.prototype.render = function render() {
+    return react.createElement(Router$1, { history: this.history, children: this.props.children });
+  };
+
+  return MemoryRouter;
+}(react.Component);
+
+MemoryRouter$1.propTypes = {
+  initialEntries: propTypes.array,
+  initialIndex: propTypes.number,
+  getUserConfirmation: propTypes.func,
+  keyLength: propTypes.number,
+  children: propTypes.node
+};
+
+// Written in this round about way for babel-transform-imports
+
+var isarray = Array.isArray || function (arr) {
+  return Object.prototype.toString.call(arr) == '[object Array]';
+};
+
+
+
+var isarray$2 = Object.freeze({
+	default: isarray,
+	__moduleExports: isarray
+});
+
+var isarray$3 = ( isarray$2 && isarray ) || isarray$2;
+
+var pathToRegexp_1$1 = pathToRegexp;
+var parse_1 = parse;
+var compile_1 = compile;
+var tokensToFunction_1 = tokensToFunction;
+var tokensToRegExp_1 = tokensToRegExp;
+
+/**
+ * The main path matching regexp utility.
+ *
+ * @type {RegExp}
+ */
+var PATH_REGEXP = new RegExp([
+  // Match escaped characters that would otherwise appear in future matches.
+  // This allows the user to escape special characters that won't transform.
+  '(\\\\.)',
+  // Match Express-style parameters and un-named parameters with a prefix
+  // and optional suffixes. Matches appear as:
+  //
+  // "/:test(\\d+)?" => ["/", "test", "\d+", undefined, "?", undefined]
+  // "/route(\\d+)"  => [undefined, undefined, undefined, "\d+", undefined, undefined]
+  // "/*"            => ["/", undefined, undefined, undefined, undefined, "*"]
+  '([\\/.])?(?:(?:\\:(\\w+)(?:\\(((?:\\\\.|[^\\\\()])+)\\))?|\\(((?:\\\\.|[^\\\\()])+)\\))([+*?])?|(\\*))'
+].join('|'), 'g');
+
+/**
+ * Parse a string for the raw tokens.
+ *
+ * @param  {string}  str
+ * @param  {Object=} options
+ * @return {!Array}
+ */
+function parse (str, options) {
+  var tokens = [];
+  var key = 0;
+  var index = 0;
+  var path = '';
+  var defaultDelimiter = options && options.delimiter || '/';
+  var res;
+
+  while ((res = PATH_REGEXP.exec(str)) != null) {
+    var m = res[0];
+    var escaped = res[1];
+    var offset = res.index;
+    path += str.slice(index, offset);
+    index = offset + m.length;
+
+    // Ignore already escaped sequences.
+    if (escaped) {
+      path += escaped[1];
+      continue
+    }
+
+    var next = str[index];
+    var prefix = res[2];
+    var name = res[3];
+    var capture = res[4];
+    var group = res[5];
+    var modifier = res[6];
+    var asterisk = res[7];
+
+    // Push the current path onto the tokens.
+    if (path) {
+      tokens.push(path);
+      path = '';
+    }
+
+    var partial = prefix != null && next != null && next !== prefix;
+    var repeat = modifier === '+' || modifier === '*';
+    var optional = modifier === '?' || modifier === '*';
+    var delimiter = res[2] || defaultDelimiter;
+    var pattern = capture || group;
+
+    tokens.push({
+      name: name || key++,
+      prefix: prefix || '',
+      delimiter: delimiter,
+      optional: optional,
+      repeat: repeat,
+      partial: partial,
+      asterisk: !!asterisk,
+      pattern: pattern ? escapeGroup(pattern) : (asterisk ? '.*' : '[^' + escapeString(delimiter) + ']+?')
+    });
+  }
+
+  // Match any characters still remaining.
+  if (index < str.length) {
+    path += str.substr(index);
+  }
+
+  // If the path exists, push it onto the end.
+  if (path) {
+    tokens.push(path);
+  }
+
+  return tokens
+}
+
+/**
+ * Compile a string to a template function for the path.
+ *
+ * @param  {string}             str
+ * @param  {Object=}            options
+ * @return {!function(Object=, Object=)}
+ */
+function compile (str, options) {
+  return tokensToFunction(parse(str, options))
+}
+
+/**
+ * Prettier encoding of URI path segments.
+ *
+ * @param  {string}
+ * @return {string}
+ */
+function encodeURIComponentPretty (str) {
+  return encodeURI(str).replace(/[\/?#]/g, function (c) {
+    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
+  })
+}
+
+/**
+ * Encode the asterisk parameter. Similar to `pretty`, but allows slashes.
+ *
+ * @param  {string}
+ * @return {string}
+ */
+function encodeAsterisk (str) {
+  return encodeURI(str).replace(/[?#]/g, function (c) {
+    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
+  })
+}
+
+/**
+ * Expose a method for transforming tokens into the path function.
+ */
+function tokensToFunction (tokens) {
+  // Compile all the tokens into regexps.
+  var matches = new Array(tokens.length);
+
+  // Compile all the patterns before compilation.
+  for (var i = 0; i < tokens.length; i++) {
+    if (typeof tokens[i] === 'object') {
+      matches[i] = new RegExp('^(?:' + tokens[i].pattern + ')$');
+    }
+  }
+
+  return function (obj, opts) {
+    var path = '';
+    var data = obj || {};
+    var options = opts || {};
+    var encode = options.pretty ? encodeURIComponentPretty : encodeURIComponent;
+
+    for (var i = 0; i < tokens.length; i++) {
+      var token = tokens[i];
+
+      if (typeof token === 'string') {
+        path += token;
+
+        continue
+      }
+
+      var value = data[token.name];
+      var segment;
+
+      if (value == null) {
+        if (token.optional) {
+          // Prepend partial segment prefixes.
+          if (token.partial) {
+            path += token.prefix;
+          }
+
+          continue
+        } else {
+          throw new TypeError('Expected "' + token.name + '" to be defined')
+        }
+      }
+
+      if (isarray$3(value)) {
+        if (!token.repeat) {
+          throw new TypeError('Expected "' + token.name + '" to not repeat, but received `' + JSON.stringify(value) + '`')
+        }
+
+        if (value.length === 0) {
+          if (token.optional) {
+            continue
+          } else {
+            throw new TypeError('Expected "' + token.name + '" to not be empty')
+          }
+        }
+
+        for (var j = 0; j < value.length; j++) {
+          segment = encode(value[j]);
+
+          if (!matches[i].test(segment)) {
+            throw new TypeError('Expected all "' + token.name + '" to match "' + token.pattern + '", but received `' + JSON.stringify(segment) + '`')
+          }
+
+          path += (j === 0 ? token.prefix : token.delimiter) + segment;
+        }
+
+        continue
+      }
+
+      segment = token.asterisk ? encodeAsterisk(value) : encode(value);
+
+      if (!matches[i].test(segment)) {
+        throw new TypeError('Expected "' + token.name + '" to match "' + token.pattern + '", but received "' + segment + '"')
+      }
+
+      path += token.prefix + segment;
+    }
+
+    return path
+  }
+}
+
+/**
+ * Escape a regular expression string.
+ *
+ * @param  {string} str
+ * @return {string}
+ */
+function escapeString (str) {
+  return str.replace(/([.+*?=^!:${}()[\]|\/\\])/g, '\\$1')
+}
+
+/**
+ * Escape the capturing group by escaping special characters and meaning.
+ *
+ * @param  {string} group
+ * @return {string}
+ */
+function escapeGroup (group) {
+  return group.replace(/([=!:$\/()])/g, '\\$1')
+}
+
+/**
+ * Attach the keys as a property of the regexp.
+ *
+ * @param  {!RegExp} re
+ * @param  {Array}   keys
+ * @return {!RegExp}
+ */
+function attachKeys (re, keys) {
+  re.keys = keys;
+  return re
+}
+
+/**
+ * Get the flags for a regexp from the options.
+ *
+ * @param  {Object} options
+ * @return {string}
+ */
+function flags (options) {
+  return options.sensitive ? '' : 'i'
+}
+
+/**
+ * Pull out keys from a regexp.
+ *
+ * @param  {!RegExp} path
+ * @param  {!Array}  keys
+ * @return {!RegExp}
+ */
+function regexpToRegexp (path, keys) {
+  // Use a negative lookahead to match only capturing groups.
+  var groups = path.source.match(/\((?!\?)/g);
+
+  if (groups) {
+    for (var i = 0; i < groups.length; i++) {
+      keys.push({
+        name: i,
+        prefix: null,
+        delimiter: null,
+        optional: false,
+        repeat: false,
+        partial: false,
+        asterisk: false,
+        pattern: null
+      });
+    }
+  }
+
+  return attachKeys(path, keys)
+}
+
+/**
+ * Transform an array into a regexp.
+ *
+ * @param  {!Array}  path
+ * @param  {Array}   keys
+ * @param  {!Object} options
+ * @return {!RegExp}
+ */
+function arrayToRegexp (path, keys, options) {
+  var parts = [];
+
+  for (var i = 0; i < path.length; i++) {
+    parts.push(pathToRegexp(path[i], keys, options).source);
+  }
+
+  var regexp = new RegExp('(?:' + parts.join('|') + ')', flags(options));
+
+  return attachKeys(regexp, keys)
+}
+
+/**
+ * Create a path regexp from string input.
+ *
+ * @param  {string}  path
+ * @param  {!Array}  keys
+ * @param  {!Object} options
+ * @return {!RegExp}
+ */
+function stringToRegexp (path, keys, options) {
+  return tokensToRegExp(parse(path, options), keys, options)
+}
+
+/**
+ * Expose a function for taking tokens and returning a RegExp.
+ *
+ * @param  {!Array}          tokens
+ * @param  {(Array|Object)=} keys
+ * @param  {Object=}         options
+ * @return {!RegExp}
+ */
+function tokensToRegExp (tokens, keys, options) {
+  if (!isarray$3(keys)) {
+    options = /** @type {!Object} */ (keys || options);
+    keys = [];
+  }
+
+  options = options || {};
+
+  var strict = options.strict;
+  var end = options.end !== false;
+  var route = '';
+
+  // Iterate over the tokens and create our regexp string.
+  for (var i = 0; i < tokens.length; i++) {
+    var token = tokens[i];
+
+    if (typeof token === 'string') {
+      route += escapeString(token);
+    } else {
+      var prefix = escapeString(token.prefix);
+      var capture = '(?:' + token.pattern + ')';
+
+      keys.push(token);
+
+      if (token.repeat) {
+        capture += '(?:' + prefix + capture + ')*';
+      }
+
+      if (token.optional) {
+        if (!token.partial) {
+          capture = '(?:' + prefix + '(' + capture + '))?';
+        } else {
+          capture = prefix + '(' + capture + ')?';
+        }
+      } else {
+        capture = prefix + '(' + capture + ')';
+      }
+
+      route += capture;
+    }
+  }
+
+  var delimiter = escapeString(options.delimiter || '/');
+  var endsWithDelimiter = route.slice(-delimiter.length) === delimiter;
+
+  // In non-strict mode we allow a slash at the end of match. If the path to
+  // match already ends with a slash, we remove it for consistency. The slash
+  // is valid at the end of a path match, not in the middle. This is important
+  // in non-ending mode, where "/test/" shouldn't match "/test//route".
+  if (!strict) {
+    route = (endsWithDelimiter ? route.slice(0, -delimiter.length) : route) + '(?:' + delimiter + '(?=$))?';
+  }
+
+  if (end) {
+    route += '$';
+  } else {
+    // In non-ending mode, we need the capturing groups to match as much as
+    // possible by using a positive lookahead to the end or next path segment.
+    route += strict && endsWithDelimiter ? '' : '(?=' + delimiter + '|$)';
+  }
+
+  return attachKeys(new RegExp('^' + route, flags(options)), keys)
+}
+
+/**
+ * Normalize the given path string, returning a regular expression.
+ *
+ * An empty array can be passed in for the keys, which will hold the
+ * placeholder key descriptions. For example, using `/user/:id`, `keys` will
+ * contain `[{ name: 'id', delimiter: '/', optional: false, repeat: false }]`.
+ *
+ * @param  {(string|RegExp|Array)} path
+ * @param  {(Array|Object)=}       keys
+ * @param  {Object=}               options
+ * @return {!RegExp}
+ */
+function pathToRegexp (path, keys, options) {
+  if (!isarray$3(keys)) {
+    options = /** @type {!Object} */ (keys || options);
+    keys = [];
+  }
+
+  options = options || {};
+
+  if (path instanceof RegExp) {
+    return regexpToRegexp(path, /** @type {!Array} */ (keys))
+  }
+
+  if (isarray$3(path)) {
+    return arrayToRegexp(/** @type {!Array} */ (path), /** @type {!Array} */ (keys), options)
+  }
+
+  return stringToRegexp(/** @type {string} */ (path), /** @type {!Array} */ (keys), options)
+}
+
+pathToRegexp_1$1.parse = parse_1;
+pathToRegexp_1$1.compile = compile_1;
+pathToRegexp_1$1.tokensToFunction = tokensToFunction_1;
+pathToRegexp_1$1.tokensToRegExp = tokensToRegExp_1;
+
+var patternCache = {};
+var cacheLimit = 10000;
+var cacheCount = 0;
+
+var compilePath = function compilePath(pattern, options) {
+  var cacheKey = '' + options.end + options.strict + options.sensitive;
+  var cache = patternCache[cacheKey] || (patternCache[cacheKey] = {});
+
+  if (cache[pattern]) return cache[pattern];
+
+  var keys = [];
+  var re = pathToRegexp_1$1(pattern, keys, options);
+  var compiledPattern = { re: re, keys: keys };
+
+  if (cacheCount < cacheLimit) {
+    cache[pattern] = compiledPattern;
+    cacheCount++;
+  }
+
+  return compiledPattern;
+};
+
+/**
+ * Public API for matching a URL pathname to a path pattern.
+ */
+var matchPath = function matchPath(pathname) {
+  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+  if (typeof options === 'string') options = { path: options };
+
+  var _options = options,
+      _options$path = _options.path,
+      path = _options$path === undefined ? '/' : _options$path,
+      _options$exact = _options.exact,
+      exact = _options$exact === undefined ? false : _options$exact,
+      _options$strict = _options.strict,
+      strict = _options$strict === undefined ? false : _options$strict,
+      _options$sensitive = _options.sensitive,
+      sensitive = _options$sensitive === undefined ? false : _options$sensitive;
+
+  var _compilePath = compilePath(path, { end: exact, strict: strict, sensitive: sensitive }),
+      re = _compilePath.re,
+      keys = _compilePath.keys;
+
+  var match = re.exec(pathname);
+
+  if (!match) return null;
+
+  var url = match[0],
+      values = match.slice(1);
+
+  var isExact = pathname === url;
+
+  if (exact && !isExact) return null;
+
+  return {
+    path: path, // the path pattern used to match
+    url: path === '/' && url === '' ? '/' : url, // the matched portion of the URL
+    isExact: isExact, // whether or not we matched exactly
+    params: keys.reduce(function (memo, key, index) {
+      memo[key.name] = values[index];
+      return memo;
+    }, {})
+  };
+};
+
+var _extends$4 = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+function _classCallCheck$6(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn$6(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits$6(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var isEmptyChildren = function isEmptyChildren(children) {
+  return react.Children.count(children) === 0;
+};
+
+/**
+ * The public API for matching a single path and rendering.
+ */
+
+var Route$1 = function (_React$Component) {
+  _inherits$6(Route, _React$Component);
+
+  function Route() {
+    var _temp, _this, _ret;
+
+    _classCallCheck$6(this, Route);
+
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    return _ret = (_temp = (_this = _possibleConstructorReturn$6(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this.state = {
+      match: _this.computeMatch(_this.props, _this.context.router)
+    }, _temp), _possibleConstructorReturn$6(_this, _ret);
+  }
+
+  Route.prototype.getChildContext = function getChildContext() {
+    return {
+      router: _extends$4({}, this.context.router, {
+        route: {
+          location: this.props.location || this.context.router.route.location,
+          match: this.state.match
+        }
+      })
+    };
+  };
+
+  Route.prototype.computeMatch = function computeMatch(_ref, router) {
+    var computedMatch = _ref.computedMatch,
+        location = _ref.location,
+        path = _ref.path,
+        strict = _ref.strict,
+        exact = _ref.exact,
+        sensitive = _ref.sensitive;
+
+    if (computedMatch) return computedMatch; // <Switch> already computed the match for us
+
+    invariant_1$3(router, 'You should not use <Route> or withRouter() outside a <Router>');
+
+    var route = router.route;
+
+    var pathname = (location || route.location).pathname;
+
+    return path ? matchPath(pathname, { path: path, strict: strict, exact: exact, sensitive: sensitive }) : route.match;
+  };
+
+  Route.prototype.componentWillMount = function componentWillMount() {
+    warning_1$3(!(this.props.component && this.props.render), 'You should not use <Route component> and <Route render> in the same route; <Route render> will be ignored');
+
+    warning_1$3(!(this.props.component && this.props.children && !isEmptyChildren(this.props.children)), 'You should not use <Route component> and <Route children> in the same route; <Route children> will be ignored');
+
+    warning_1$3(!(this.props.render && this.props.children && !isEmptyChildren(this.props.children)), 'You should not use <Route render> and <Route children> in the same route; <Route children> will be ignored');
+  };
+
+  Route.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps, nextContext) {
+    warning_1$3(!(nextProps.location && !this.props.location), '<Route> elements should not change from uncontrolled to controlled (or vice versa). You initially used no "location" prop and then provided one on a subsequent render.');
+
+    warning_1$3(!(!nextProps.location && this.props.location), '<Route> elements should not change from controlled to uncontrolled (or vice versa). You provided a "location" prop initially but omitted it on a subsequent render.');
+
+    this.setState({
+      match: this.computeMatch(nextProps, nextContext.router)
+    });
+  };
+
+  Route.prototype.render = function render() {
+    var match = this.state.match;
+    var _props = this.props,
+        children = _props.children,
+        component = _props.component,
+        render = _props.render;
+    var _context$router = this.context.router,
+        history = _context$router.history,
+        route = _context$router.route,
+        staticContext = _context$router.staticContext;
+
+    var location = this.props.location || route.location;
+    var props = { match: match, location: location, history: history, staticContext: staticContext };
+
+    return component ? // component prop gets first priority, only called if there's a match
+    match ? react.createElement(component, props) : null : render ? // render prop is next, only called if there's a match
+    match ? render(props) : null : children ? // children come last, always called
+    typeof children === 'function' ? children(props) : !isEmptyChildren(children) ? react.Children.only(children) : null : null;
+  };
+
+  return Route;
+}(react.Component);
+
+Route$1.propTypes = {
+  computedMatch: propTypes.object, // private, from <Switch>
+  path: propTypes.string,
+  exact: propTypes.bool,
+  strict: propTypes.bool,
+  sensitive: propTypes.bool,
+  component: propTypes.func,
+  render: propTypes.func,
+  children: propTypes.oneOfType([propTypes.func, propTypes.node]),
+  location: propTypes.object
+};
+Route$1.contextTypes = {
+  router: propTypes.shape({
+    history: propTypes.object.isRequired,
+    route: propTypes.object.isRequired,
+    staticContext: propTypes.object
+  })
+};
+Route$1.childContextTypes = {
+  router: propTypes.object.isRequired
+};
+
+// Written in this round about way for babel-transform-imports
+
+var _extends$3 = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+var _typeof$2 = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+function _objectWithoutProperties$2(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }
+
+var NavLink = function NavLink(_ref) {
+  var to = _ref.to,
+      exact = _ref.exact,
+      strict = _ref.strict,
+      location = _ref.location,
+      activeClassName = _ref.activeClassName,
+      className = _ref.className,
+      activeStyle = _ref.activeStyle,
+      style = _ref.style,
+      getIsActive = _ref.isActive,
+      ariaCurrent = _ref.ariaCurrent,
+      rest = _objectWithoutProperties$2(_ref, ['to', 'exact', 'strict', 'location', 'activeClassName', 'className', 'activeStyle', 'style', 'isActive', 'ariaCurrent']);
+
+  return react.createElement(Route$1, {
+    path: (typeof to === 'undefined' ? 'undefined' : _typeof$2(to)) === 'object' ? to.pathname : to,
+    exact: exact,
+    strict: strict,
+    location: location,
+    children: function children(_ref2) {
+      var location = _ref2.location,
+          match = _ref2.match;
+
+      var isActive = !!(getIsActive ? getIsActive(match, location) : match);
+
+      return react.createElement(Link, _extends$3({
+        to: to,
+        className: isActive ? [className, activeClassName].filter(function (i) {
+          return i;
+        }).join(' ') : className,
+        style: isActive ? _extends$3({}, style, activeStyle) : style,
+        'aria-current': isActive && ariaCurrent
+      }, rest));
+    }
+  });
+};
+
+NavLink.propTypes = {
+  to: Link.propTypes.to,
+  exact: propTypes.bool,
+  strict: propTypes.bool,
+  location: propTypes.object,
+  activeClassName: propTypes.string,
+  className: propTypes.string,
+  activeStyle: propTypes.object,
+  style: propTypes.object,
+  isActive: propTypes.func,
+  ariaCurrent: propTypes.oneOf(['page', 'step', 'location', 'true'])
+};
+
+NavLink.defaultProps = {
+  activeClassName: 'active',
+  ariaCurrent: 'true'
+};
+
+function _classCallCheck$7(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn$7(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits$7(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Prompt$1 = function (_React$Component) {
+  _inherits$7(Prompt, _React$Component);
+
+  function Prompt() {
+    _classCallCheck$7(this, Prompt);
+
+    return _possibleConstructorReturn$7(this, _React$Component.apply(this, arguments));
+  }
+
+  Prompt.prototype.enable = function enable(message) {
+    if (this.unblock) this.unblock();
+
+    this.unblock = this.context.router.history.block(message);
+  };
+
+  Prompt.prototype.disable = function disable() {
+    if (this.unblock) {
+      this.unblock();
+      this.unblock = null;
+    }
+  };
+
+  Prompt.prototype.componentWillMount = function componentWillMount() {
+    invariant_1$3(this.context.router, 'You should not use <Prompt> outside a <Router>');
+
+    if (this.props.when) this.enable(this.props.message);
+  };
+
+  Prompt.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
+    if (nextProps.when) {
+      if (!this.props.when || this.props.message !== nextProps.message) this.enable(nextProps.message);
+    } else {
+      this.disable();
+    }
+  };
+
+  Prompt.prototype.componentWillUnmount = function componentWillUnmount() {
+    this.disable();
+  };
+
+  Prompt.prototype.render = function render() {
+    return null;
+  };
+
+  return Prompt;
+}(react.Component);
+
+Prompt$1.propTypes = {
+  when: propTypes.bool,
+  message: propTypes.oneOfType([propTypes.func, propTypes.string]).isRequired
+};
+Prompt$1.defaultProps = {
+  when: true
+};
+Prompt$1.contextTypes = {
+  router: propTypes.shape({
+    history: propTypes.shape({
+      block: propTypes.func.isRequired
+    }).isRequired
+  }).isRequired
+};
+
+// Written in this round about way for babel-transform-imports
+
+var parsePath = function parsePath(path) {
+  var pathname = path || '/';
+  var search = '';
+  var hash = '';
+
+  var hashIndex = pathname.indexOf('#');
+  if (hashIndex !== -1) {
+    hash = pathname.substr(hashIndex);
+    pathname = pathname.substr(0, hashIndex);
+  }
+
+  var searchIndex = pathname.indexOf('?');
+  if (searchIndex !== -1) {
+    search = pathname.substr(searchIndex);
+    pathname = pathname.substr(0, searchIndex);
+  }
+
+  return {
+    pathname: pathname,
+    search: search === '?' ? '' : search,
+    hash: hash === '#' ? '' : hash
+  };
+};
+
+var _extends$6 = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+var createLocation = function createLocation(path, state, key, currentLocation) {
+  var location = void 0;
+  if (typeof path === 'string') {
+    // Two-arg form: push(path, state)
+    location = parsePath(path);
+    location.state = state;
+  } else {
+    // One-arg form: push(location)
+    location = _extends$6({}, path);
+
+    if (location.pathname === undefined) location.pathname = '';
+
+    if (location.search) {
+      if (location.search.charAt(0) !== '?') location.search = '?' + location.search;
+    } else {
+      location.search = '';
+    }
+
+    if (location.hash) {
+      if (location.hash.charAt(0) !== '#') location.hash = '#' + location.hash;
+    } else {
+      location.hash = '';
+    }
+
+    if (state !== undefined && location.state === undefined) location.state = state;
+  }
+
+  try {
+    location.pathname = decodeURI(location.pathname);
+  } catch (e) {
+    if (e instanceof URIError) {
+      throw new URIError('Pathname "' + location.pathname + '" could not be decoded. ' + 'This is likely caused by an invalid percent-encoding.');
+    } else {
+      throw e;
+    }
+  }
+
+  if (key) location.key = key;
+
+  if (currentLocation) {
+    // Resolve incomplete/relative pathname relative to current location.
+    if (!location.pathname) {
+      location.pathname = currentLocation.pathname;
+    } else if (location.pathname.charAt(0) !== '/') {
+      location.pathname = resolvePathname(location.pathname, currentLocation.pathname);
+    }
+  } else {
+    // When there is no prior location and pathname is empty, set it to /
+    if (!location.pathname) {
+      location.pathname = '/';
+    }
+  }
+
+  return location;
+};
+
+var locationsAreEqual = function locationsAreEqual(a, b) {
+  return a.pathname === b.pathname && a.search === b.search && a.hash === b.hash && a.key === b.key && valueEqual(a.state, b.state);
+};
+
+// eslint-disable-line no-alert
+
+/**
+ * Returns true if the HTML5 history API is supported. Taken from Modernizr.
+ *
+ * https://github.com/Modernizr/Modernizr/blob/master/LICENSE
+ * https://github.com/Modernizr/Modernizr/blob/master/feature-detects/history.js
+ * changed to avoid false negatives for Windows Phones: https://github.com/reactjs/react-router/issues/586
+ */
+
+
+/**
+ * Returns true if browser fires popstate on hash change.
+ * IE10 and IE11 do not.
+ */
+
+
+/**
+ * Returns false if using go(n) with hash history causes a full page reload.
+ */
+
+
+/**
+ * Returns true if a given popstate event is an extraneous WebKit event.
+ * Accounts for the fact that Chrome on iOS fires real popstate events
+ * containing undefined state when pressing the back button.
+ */
+
+function _classCallCheck$8(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn$8(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits$8(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Redirect$1 = function (_React$Component) {
+  _inherits$8(Redirect, _React$Component);
+
+  function Redirect() {
+    _classCallCheck$8(this, Redirect);
+
+    return _possibleConstructorReturn$8(this, _React$Component.apply(this, arguments));
+  }
+
+  Redirect.prototype.isStatic = function isStatic() {
+    return this.context.router && this.context.router.staticContext;
+  };
+
+  Redirect.prototype.componentWillMount = function componentWillMount() {
+    invariant_1$3(this.context.router, 'You should not use <Redirect> outside a <Router>');
+
+    if (this.isStatic()) this.perform();
+  };
+
+  Redirect.prototype.componentDidMount = function componentDidMount() {
+    if (!this.isStatic()) this.perform();
+  };
+
+  Redirect.prototype.componentDidUpdate = function componentDidUpdate(prevProps) {
+    var prevTo = createLocation(prevProps.to);
+    var nextTo = createLocation(this.props.to);
+
+    if (locationsAreEqual(prevTo, nextTo)) {
+      warning_1$3(false, 'You tried to redirect to the same route you\'re currently on: ' + ('"' + nextTo.pathname + nextTo.search + '"'));
+      return;
+    }
+
+    this.perform();
+  };
+
+  Redirect.prototype.perform = function perform() {
+    var history = this.context.router.history;
+    var _props = this.props,
+        push = _props.push,
+        to = _props.to;
+
+
+    if (push) {
+      history.push(to);
+    } else {
+      history.replace(to);
+    }
+  };
+
+  Redirect.prototype.render = function render() {
+    return null;
+  };
+
+  return Redirect;
+}(react.Component);
+
+Redirect$1.propTypes = {
+  push: propTypes.bool,
+  from: propTypes.string,
+  to: propTypes.oneOfType([propTypes.string, propTypes.object]).isRequired
+};
+Redirect$1.defaultProps = {
+  push: false
+};
+Redirect$1.contextTypes = {
+  router: propTypes.shape({
+    history: propTypes.shape({
+      push: propTypes.func.isRequired,
+      replace: propTypes.func.isRequired
+    }).isRequired,
+    staticContext: propTypes.object
+  }).isRequired
+};
+
+// Written in this round about way for babel-transform-imports
+
+var _extends$9 = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+
+function _objectWithoutProperties$3(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }
+
+function _classCallCheck$9(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn$9(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits$9(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var normalizeLocation = function normalizeLocation(object) {
+  var _object$pathname = object.pathname,
+      pathname = _object$pathname === undefined ? '/' : _object$pathname,
+      _object$search = object.search,
+      search = _object$search === undefined ? '' : _object$search,
+      _object$hash = object.hash,
+      hash = _object$hash === undefined ? '' : _object$hash;
+
+
+  return {
+    pathname: pathname,
+    search: search === '?' ? '' : search,
+    hash: hash === '#' ? '' : hash
+  };
+};
+
+var addBasename = function addBasename(basename, location) {
+  if (!basename) return location;
+
+  return _extends$9({}, location, {
+    pathname: PathUtils_1(basename) + location.pathname
+  });
+};
+
+var stripBasename$1 = function stripBasename(basename, location) {
+  if (!basename) return location;
+
+  var base = PathUtils_1(basename);
+
+  if (location.pathname.indexOf(base) !== 0) return location;
+
+  return _extends$9({}, location, {
+    pathname: location.pathname.substr(base.length)
+  });
+};
+
+var createLocation$1 = function createLocation(location) {
+  return typeof location === 'string' ? PathUtils_6(location) : normalizeLocation(location);
+};
+
+var createURL = function createURL(location) {
+  return typeof location === 'string' ? location : PathUtils_7(location);
+};
+
+var staticHandler = function staticHandler(methodName) {
+  return function () {
+    invariant_1$3(false, 'You cannot %s with <StaticRouter>', methodName);
+  };
+};
+
+var noop = function noop() {};
+
+/**
+ * The public top-level API for a "static" <Router>, so-called because it
+ * can't actually change the current location. Instead, it just records
+ * location changes in a context object. Useful mainly in testing and
+ * server-rendering scenarios.
+ */
+
+var StaticRouter$1 = function (_React$Component) {
+  _inherits$9(StaticRouter, _React$Component);
+
+  function StaticRouter() {
+    var _temp, _this, _ret;
+
+    _classCallCheck$9(this, StaticRouter);
+
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    return _ret = (_temp = (_this = _possibleConstructorReturn$9(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this.createHref = function (path) {
+      return PathUtils_1(_this.props.basename + createURL(path));
+    }, _this.handlePush = function (location) {
+      var _this$props = _this.props,
+          basename = _this$props.basename,
+          context = _this$props.context;
+
+      context.action = 'PUSH';
+      context.location = addBasename(basename, createLocation$1(location));
+      context.url = createURL(context.location);
+    }, _this.handleReplace = function (location) {
+      var _this$props2 = _this.props,
+          basename = _this$props2.basename,
+          context = _this$props2.context;
+
+      context.action = 'REPLACE';
+      context.location = addBasename(basename, createLocation$1(location));
+      context.url = createURL(context.location);
+    }, _this.handleListen = function () {
+      return noop;
+    }, _this.handleBlock = function () {
+      return noop;
+    }, _temp), _possibleConstructorReturn$9(_this, _ret);
+  }
+
+  StaticRouter.prototype.getChildContext = function getChildContext() {
+    return {
+      router: {
+        staticContext: this.props.context
+      }
+    };
+  };
+
+  StaticRouter.prototype.componentWillMount = function componentWillMount() {
+    warning_1$3(!this.props.history, '<StaticRouter> ignores the history prop. To use a custom history, ' + 'use `import { Router }` instead of `import { StaticRouter as Router }`.');
+  };
+
+  StaticRouter.prototype.render = function render() {
+    var _props = this.props,
+        basename = _props.basename,
+        context = _props.context,
+        location = _props.location,
+        props = _objectWithoutProperties$3(_props, ['basename', 'context', 'location']);
+
+    var history = {
+      createHref: this.createHref,
+      action: 'POP',
+      location: stripBasename$1(basename, createLocation$1(location)),
+      push: this.handlePush,
+      replace: this.handleReplace,
+      go: staticHandler('go'),
+      goBack: staticHandler('goBack'),
+      goForward: staticHandler('goForward'),
+      listen: this.handleListen,
+      block: this.handleBlock
+    };
+
+    return react.createElement(Router$1, _extends$9({}, props, { history: history }));
+  };
+
+  return StaticRouter;
+}(react.Component);
+
+StaticRouter$1.propTypes = {
+  basename: propTypes.string,
+  context: propTypes.object.isRequired,
+  location: propTypes.oneOfType([propTypes.string, propTypes.object])
+};
+StaticRouter$1.defaultProps = {
+  basename: '',
+  location: '/'
+};
+StaticRouter$1.childContextTypes = {
+  router: propTypes.object.isRequired
+};
+
+// Written in this round about way for babel-transform-imports
+
+function _classCallCheck$10(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn$10(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits$10(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Switch$1 = function (_React$Component) {
+  _inherits$10(Switch, _React$Component);
+
+  function Switch() {
+    _classCallCheck$10(this, Switch);
+
+    return _possibleConstructorReturn$10(this, _React$Component.apply(this, arguments));
+  }
+
+  Switch.prototype.componentWillMount = function componentWillMount() {
+    invariant_1$3(this.context.router, 'You should not use <Switch> outside a <Router>');
+  };
+
+  Switch.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
+    warning_1$3(!(nextProps.location && !this.props.location), '<Switch> elements should not change from uncontrolled to controlled (or vice versa). You initially used no "location" prop and then provided one on a subsequent render.');
+
+    warning_1$3(!(!nextProps.location && this.props.location), '<Switch> elements should not change from controlled to uncontrolled (or vice versa). You provided a "location" prop initially but omitted it on a subsequent render.');
+  };
+
+  Switch.prototype.render = function render() {
+    var route = this.context.router.route;
+    var children = this.props.children;
+
+    var location = this.props.location || route.location;
+
+    var match = void 0,
+        child = void 0;
+    react.Children.forEach(children, function (element) {
+      if (!react.isValidElement(element)) return;
+
+      var _element$props = element.props,
+          pathProp = _element$props.path,
+          exact = _element$props.exact,
+          strict = _element$props.strict,
+          sensitive = _element$props.sensitive,
+          from = _element$props.from;
+
+      var path = pathProp || from;
+
+      if (match == null) {
+        child = element;
+        match = path ? matchPath(location.pathname, { path: path, exact: exact, strict: strict, sensitive: sensitive }) : route.match;
+      }
+    });
+
+    return match ? react.cloneElement(child, { location: location, computedMatch: match }) : null;
+  };
+
+  return Switch;
+}(react.Component);
+
+Switch$1.contextTypes = {
+  router: propTypes.shape({
+    route: propTypes.object.isRequired
+  }).isRequired
+};
+Switch$1.propTypes = {
+  children: propTypes.node,
+  location: propTypes.object
+};
+
+// Written in this round about way for babel-transform-imports
+
+// Written in this round about way for babel-transform-imports
+
+/**
+ * Copyright 2015, Yahoo! Inc.
+ * Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
+ */
+'use strict';
+
+// Written in this round about way for babel-transform-imports
+
+var MenuPage =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(MenuPage, _Component);
+
+  function MenuPage() {
+    _classCallCheck(this, MenuPage);
+
+    return _possibleConstructorReturn(this, (MenuPage.__proto__ || Object.getPrototypeOf(MenuPage)).apply(this, arguments));
+  }
+
+  _createClass(MenuPage, [{
+    key: "render",
+    value: function render() {
+      var numStationsString = calculateStations(this.props.store.configs);
+      return react.createElement("div", {
+        className: "container menu-page"
+      }, react.createElement("div", {
+        className: "row"
+      }, react.createElement("div", {
+        className: "col-sm-1"
+      }, react.createElement("div", {
+        className: "cross"
+      })), react.createElement("div", {
+        className: "col-sm-11"
+      }, react.createElement("div", {
+        className: "row mb-6"
+      }, react.createElement("a", {
+        className: "menu-anchor",
+        href: "/~~/pages/nutalk"
+      }, react.createElement("div", {
+        className: "circle mr-7"
+      }), react.createElement("b", null, "Inbox"))), react.createElement("div", {
+        className: "row mb-6"
+      }, react.createElement("a", {
+        className: "menu-anchor",
+        href: "/~~/pages/nutalk/list"
+      }, react.createElement("div", {
+        className: "circle mr-7"
+      }), react.createElement("b", null, "List")), react.createElement("div", {
+        className: "ml-7"
+      }, numStationsString)), react.createElement("div", {
+        className: "row mb-6"
+      }, react.createElement("a", {
+        className: "menu-anchor",
+        href: "/~~/pages/nutalk/profile"
+      }, react.createElement("div", {
+        className: "circle mr-7"
+      }), react.createElement("b", null, "Profile"))), react.createElement("div", {
+        className: "row mb-6"
+      }, react.createElement("a", {
+        className: "menu-anchor",
+        href: "/~~/pages/nutalk/stream/create"
+      }, react.createElement("div", {
+        className: "circle mr-7"
+      }), react.createElement("b", null, "Create stream"))), react.createElement("div", {
+        className: "row mb-6"
+      }, react.createElement("a", {
+        className: "menu-anchor",
+        href: "/~~/pages/nutalk/collection/create"
+      }, react.createElement("div", {
+        className: "circle mr-7"
+      }), react.createElement("b", null, "Create collection"))))));
+    }
+  }, {
+    key: "componentDidMount",
+    value: function componentDidMount() {
+      document.querySelectorAll('.header-container')[0].classList.add('hide');
+    }
+  }, {
+    key: "componentWillUnmount",
+    value: function componentWillUnmount() {
+      document.querySelectorAll('.header-container')[0].classList.remove('hide');
+    }
+  }]);
+
+  return MenuPage;
+}(react_1);
+
 var moment = createCommonjsModule(function (module, exports) {
 //! moment.js
 //! version : 2.20.1
@@ -31293,687 +36383,6 @@ var domCss$2 = Object.freeze({
 	get: get$1
 });
 
-/*
-object-assign
-(c) Sindre Sorhus
-@license MIT
-*/
-
-'use strict';
-/* eslint-disable no-unused-vars */
-var getOwnPropertySymbols$2 = Object.getOwnPropertySymbols;
-var hasOwnProperty$4 = Object.prototype.hasOwnProperty;
-var propIsEnumerable$2 = Object.prototype.propertyIsEnumerable;
-
-function toObject$3(val) {
-	if (val === null || val === undefined) {
-		throw new TypeError('Object.assign cannot be called with null or undefined');
-	}
-
-	return Object(val);
-}
-
-function shouldUseNative$2() {
-	try {
-		if (!Object.assign) {
-			return false;
-		}
-
-		// Detect buggy property enumeration order in older V8 versions.
-
-		// https://bugs.chromium.org/p/v8/issues/detail?id=4118
-		var test1 = new String('abc');  // eslint-disable-line no-new-wrappers
-		test1[5] = 'de';
-		if (Object.getOwnPropertyNames(test1)[0] === '5') {
-			return false;
-		}
-
-		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
-		var test2 = {};
-		for (var i = 0; i < 10; i++) {
-			test2['_' + String.fromCharCode(i)] = i;
-		}
-		var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
-			return test2[n];
-		});
-		if (order2.join('') !== '0123456789') {
-			return false;
-		}
-
-		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
-		var test3 = {};
-		'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
-			test3[letter] = letter;
-		});
-		if (Object.keys(Object.assign({}, test3)).join('') !==
-				'abcdefghijklmnopqrst') {
-			return false;
-		}
-
-		return true;
-	} catch (err) {
-		// We don't expect any of the above to throw, but better to be safe.
-		return false;
-	}
-}
-
-var objectAssign$6 = shouldUseNative$2() ? Object.assign : function (target, source) {
-	var from;
-	var to = toObject$3(target);
-	var symbols;
-
-	for (var s = 1; s < arguments.length; s++) {
-		from = Object(arguments[s]);
-
-		for (var key in from) {
-			if (hasOwnProperty$4.call(from, key)) {
-				to[key] = from[key];
-			}
-		}
-
-		if (getOwnPropertySymbols$2) {
-			symbols = getOwnPropertySymbols$2(from);
-			for (var i = 0; i < symbols.length; i++) {
-				if (propIsEnumerable$2.call(from, symbols[i])) {
-					to[symbols[i]] = from[symbols[i]];
-				}
-			}
-		}
-	}
-
-	return to;
-};
-
-
-
-var objectAssign$8 = Object.freeze({
-	default: objectAssign$6,
-	__moduleExports: objectAssign$6
-});
-
-var assign$1 = ( objectAssign$8 && objectAssign$6 ) || objectAssign$8;
-
-'use strict';
-
-
-
-
-
-
-
-
-
-var factoryWithTypeCheckers = function(isValidElement, throwOnDirectAccess) {
-  /* global Symbol */
-  var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
-  var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.
-
-  /**
-   * Returns the iterator method function contained on the iterable object.
-   *
-   * Be sure to invoke the function with the iterable as context:
-   *
-   *     var iteratorFn = getIteratorFn(myIterable);
-   *     if (iteratorFn) {
-   *       var iterator = iteratorFn.call(myIterable);
-   *       ...
-   *     }
-   *
-   * @param {?object} maybeIterable
-   * @return {?function}
-   */
-  function getIteratorFn(maybeIterable) {
-    var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]);
-    if (typeof iteratorFn === 'function') {
-      return iteratorFn;
-    }
-  }
-
-  /**
-   * Collection of methods that allow declaration and validation of props that are
-   * supplied to React components. Example usage:
-   *
-   *   var Props = require('ReactPropTypes');
-   *   var MyArticle = React.createClass({
-   *     propTypes: {
-   *       // An optional string prop named "description".
-   *       description: Props.string,
-   *
-   *       // A required enum prop named "category".
-   *       category: Props.oneOf(['News','Photos']).isRequired,
-   *
-   *       // A prop named "dialog" that requires an instance of Dialog.
-   *       dialog: Props.instanceOf(Dialog).isRequired
-   *     },
-   *     render: function() { ... }
-   *   });
-   *
-   * A more formal specification of how these methods are used:
-   *
-   *   type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...)
-   *   decl := ReactPropTypes.{type}(.isRequired)?
-   *
-   * Each and every declaration produces a function with the same signature. This
-   * allows the creation of custom validation functions. For example:
-   *
-   *  var MyLink = React.createClass({
-   *    propTypes: {
-   *      // An optional string or URI prop named "href".
-   *      href: function(props, propName, componentName) {
-   *        var propValue = props[propName];
-   *        if (propValue != null && typeof propValue !== 'string' &&
-   *            !(propValue instanceof URI)) {
-   *          return new Error(
-   *            'Expected a string or an URI for ' + propName + ' in ' +
-   *            componentName
-   *          );
-   *        }
-   *      }
-   *    },
-   *    render: function() {...}
-   *  });
-   *
-   * @internal
-   */
-
-  var ANONYMOUS = '<<anonymous>>';
-
-  // Important!
-  // Keep this list in sync with production version in `./factoryWithThrowingShims.js`.
-  var ReactPropTypes = {
-    array: createPrimitiveTypeChecker('array'),
-    bool: createPrimitiveTypeChecker('boolean'),
-    func: createPrimitiveTypeChecker('function'),
-    number: createPrimitiveTypeChecker('number'),
-    object: createPrimitiveTypeChecker('object'),
-    string: createPrimitiveTypeChecker('string'),
-    symbol: createPrimitiveTypeChecker('symbol'),
-
-    any: createAnyTypeChecker(),
-    arrayOf: createArrayOfTypeChecker,
-    element: createElementTypeChecker(),
-    instanceOf: createInstanceTypeChecker,
-    node: createNodeChecker(),
-    objectOf: createObjectOfTypeChecker,
-    oneOf: createEnumTypeChecker,
-    oneOfType: createUnionTypeChecker,
-    shape: createShapeTypeChecker,
-    exact: createStrictShapeTypeChecker,
-  };
-
-  /**
-   * inlined Object.is polyfill to avoid requiring consumers ship their own
-   * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
-   */
-  /*eslint-disable no-self-compare*/
-  function is(x, y) {
-    // SameValue algorithm
-    if (x === y) {
-      // Steps 1-5, 7-10
-      // Steps 6.b-6.e: +0 != -0
-      return x !== 0 || 1 / x === 1 / y;
-    } else {
-      // Step 6.a: NaN == NaN
-      return x !== x && y !== y;
-    }
-  }
-  /*eslint-enable no-self-compare*/
-
-  /**
-   * We use an Error-like object for backward compatibility as people may call
-   * PropTypes directly and inspect their output. However, we don't use real
-   * Errors anymore. We don't inspect their stack anyway, and creating them
-   * is prohibitively expensive if they are created too often, such as what
-   * happens in oneOfType() for any type before the one that matched.
-   */
-  function PropTypeError(message) {
-    this.message = message;
-    this.stack = '';
-  }
-  // Make `instanceof Error` still work for returned errors.
-  PropTypeError.prototype = Error.prototype;
-
-  function createChainableTypeChecker(validate) {
-    {
-      var manualPropTypeCallCache = {};
-      var manualPropTypeWarningCount = 0;
-    }
-    function checkType(isRequired, props, propName, componentName, location, propFullName, secret) {
-      componentName = componentName || ANONYMOUS;
-      propFullName = propFullName || propName;
-
-      if (secret !== ReactPropTypesSecret$3) {
-        if (throwOnDirectAccess) {
-          // New behavior only for users of `prop-types` package
-          invariant$3(
-            false,
-            'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +
-            'Use `PropTypes.checkPropTypes()` to call them. ' +
-            'Read more at http://fb.me/use-check-prop-types'
-          );
-        } else if ("development" !== 'production' && typeof console !== 'undefined') {
-          // Old behavior for people using React.PropTypes
-          var cacheKey = componentName + ':' + propName;
-          if (
-            !manualPropTypeCallCache[cacheKey] &&
-            // Avoid spamming the console because they are often not actionable except for lib authors
-            manualPropTypeWarningCount < 3
-          ) {
-            warning$3(
-              false,
-              'You are manually calling a React.PropTypes validation ' +
-              'function for the `%s` prop on `%s`. This is deprecated ' +
-              'and will throw in the standalone `prop-types` package. ' +
-              'You may be seeing this warning due to a third-party PropTypes ' +
-              'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.',
-              propFullName,
-              componentName
-            );
-            manualPropTypeCallCache[cacheKey] = true;
-            manualPropTypeWarningCount++;
-          }
-        }
-      }
-      if (props[propName] == null) {
-        if (isRequired) {
-          if (props[propName] === null) {
-            return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.'));
-          }
-          return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.'));
-        }
-        return null;
-      } else {
-        return validate(props, propName, componentName, location, propFullName);
-      }
-    }
-
-    var chainedCheckType = checkType.bind(null, false);
-    chainedCheckType.isRequired = checkType.bind(null, true);
-
-    return chainedCheckType;
-  }
-
-  function createPrimitiveTypeChecker(expectedType) {
-    function validate(props, propName, componentName, location, propFullName, secret) {
-      var propValue = props[propName];
-      var propType = getPropType(propValue);
-      if (propType !== expectedType) {
-        // `propValue` being instance of, say, date/regexp, pass the 'object'
-        // check, but we can offer a more precise error message here rather than
-        // 'of type `object`'.
-        var preciseType = getPreciseType(propValue);
-
-        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.'));
-      }
-      return null;
-    }
-    return createChainableTypeChecker(validate);
-  }
-
-  function createAnyTypeChecker() {
-    return createChainableTypeChecker(emptyFunction$2.thatReturnsNull);
-  }
-
-  function createArrayOfTypeChecker(typeChecker) {
-    function validate(props, propName, componentName, location, propFullName) {
-      if (typeof typeChecker !== 'function') {
-        return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.');
-      }
-      var propValue = props[propName];
-      if (!Array.isArray(propValue)) {
-        var propType = getPropType(propValue);
-        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.'));
-      }
-      for (var i = 0; i < propValue.length; i++) {
-        var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret$3);
-        if (error instanceof Error) {
-          return error;
-        }
-      }
-      return null;
-    }
-    return createChainableTypeChecker(validate);
-  }
-
-  function createElementTypeChecker() {
-    function validate(props, propName, componentName, location, propFullName) {
-      var propValue = props[propName];
-      if (!isValidElement(propValue)) {
-        var propType = getPropType(propValue);
-        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.'));
-      }
-      return null;
-    }
-    return createChainableTypeChecker(validate);
-  }
-
-  function createInstanceTypeChecker(expectedClass) {
-    function validate(props, propName, componentName, location, propFullName) {
-      if (!(props[propName] instanceof expectedClass)) {
-        var expectedClassName = expectedClass.name || ANONYMOUS;
-        var actualClassName = getClassName(props[propName]);
-        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.'));
-      }
-      return null;
-    }
-    return createChainableTypeChecker(validate);
-  }
-
-  function createEnumTypeChecker(expectedValues) {
-    if (!Array.isArray(expectedValues)) {
-      warning$3(false, 'Invalid argument supplied to oneOf, expected an instance of array.');
-      return emptyFunction$2.thatReturnsNull;
-    }
-
-    function validate(props, propName, componentName, location, propFullName) {
-      var propValue = props[propName];
-      for (var i = 0; i < expectedValues.length; i++) {
-        if (is(propValue, expectedValues[i])) {
-          return null;
-        }
-      }
-
-      var valuesString = JSON.stringify(expectedValues);
-      return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + propValue + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.'));
-    }
-    return createChainableTypeChecker(validate);
-  }
-
-  function createObjectOfTypeChecker(typeChecker) {
-    function validate(props, propName, componentName, location, propFullName) {
-      if (typeof typeChecker !== 'function') {
-        return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.');
-      }
-      var propValue = props[propName];
-      var propType = getPropType(propValue);
-      if (propType !== 'object') {
-        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.'));
-      }
-      for (var key in propValue) {
-        if (propValue.hasOwnProperty(key)) {
-          var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret$3);
-          if (error instanceof Error) {
-            return error;
-          }
-        }
-      }
-      return null;
-    }
-    return createChainableTypeChecker(validate);
-  }
-
-  function createUnionTypeChecker(arrayOfTypeCheckers) {
-    if (!Array.isArray(arrayOfTypeCheckers)) {
-      warning$3(false, 'Invalid argument supplied to oneOfType, expected an instance of array.');
-      return emptyFunction$2.thatReturnsNull;
-    }
-
-    for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
-      var checker = arrayOfTypeCheckers[i];
-      if (typeof checker !== 'function') {
-        warning$3(
-          false,
-          'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' +
-          'received %s at index %s.',
-          getPostfixForTypeWarning(checker),
-          i
-        );
-        return emptyFunction$2.thatReturnsNull;
-      }
-    }
-
-    function validate(props, propName, componentName, location, propFullName) {
-      for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
-        var checker = arrayOfTypeCheckers[i];
-        if (checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret$3) == null) {
-          return null;
-        }
-      }
-
-      return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`.'));
-    }
-    return createChainableTypeChecker(validate);
-  }
-
-  function createNodeChecker() {
-    function validate(props, propName, componentName, location, propFullName) {
-      if (!isNode(props[propName])) {
-        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.'));
-      }
-      return null;
-    }
-    return createChainableTypeChecker(validate);
-  }
-
-  function createShapeTypeChecker(shapeTypes) {
-    function validate(props, propName, componentName, location, propFullName) {
-      var propValue = props[propName];
-      var propType = getPropType(propValue);
-      if (propType !== 'object') {
-        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
-      }
-      for (var key in shapeTypes) {
-        var checker = shapeTypes[key];
-        if (!checker) {
-          continue;
-        }
-        var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret$3);
-        if (error) {
-          return error;
-        }
-      }
-      return null;
-    }
-    return createChainableTypeChecker(validate);
-  }
-
-  function createStrictShapeTypeChecker(shapeTypes) {
-    function validate(props, propName, componentName, location, propFullName) {
-      var propValue = props[propName];
-      var propType = getPropType(propValue);
-      if (propType !== 'object') {
-        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
-      }
-      // We need to check all keys in case some are required but missing from
-      // props.
-      var allKeys = assign$1({}, props[propName], shapeTypes);
-      for (var key in allKeys) {
-        var checker = shapeTypes[key];
-        if (!checker) {
-          return new PropTypeError(
-            'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' +
-            '\nBad object: ' + JSON.stringify(props[propName], null, '  ') +
-            '\nValid keys: ' +  JSON.stringify(Object.keys(shapeTypes), null, '  ')
-          );
-        }
-        var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret$3);
-        if (error) {
-          return error;
-        }
-      }
-      return null;
-    }
-
-    return createChainableTypeChecker(validate);
-  }
-
-  function isNode(propValue) {
-    switch (typeof propValue) {
-      case 'number':
-      case 'string':
-      case 'undefined':
-        return true;
-      case 'boolean':
-        return !propValue;
-      case 'object':
-        if (Array.isArray(propValue)) {
-          return propValue.every(isNode);
-        }
-        if (propValue === null || isValidElement(propValue)) {
-          return true;
-        }
-
-        var iteratorFn = getIteratorFn(propValue);
-        if (iteratorFn) {
-          var iterator = iteratorFn.call(propValue);
-          var step;
-          if (iteratorFn !== propValue.entries) {
-            while (!(step = iterator.next()).done) {
-              if (!isNode(step.value)) {
-                return false;
-              }
-            }
-          } else {
-            // Iterator will provide entry [k,v] tuples rather than values.
-            while (!(step = iterator.next()).done) {
-              var entry = step.value;
-              if (entry) {
-                if (!isNode(entry[1])) {
-                  return false;
-                }
-              }
-            }
-          }
-        } else {
-          return false;
-        }
-
-        return true;
-      default:
-        return false;
-    }
-  }
-
-  function isSymbol(propType, propValue) {
-    // Native Symbol.
-    if (propType === 'symbol') {
-      return true;
-    }
-
-    // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'
-    if (propValue['@@toStringTag'] === 'Symbol') {
-      return true;
-    }
-
-    // Fallback for non-spec compliant Symbols which are polyfilled.
-    if (typeof Symbol === 'function' && propValue instanceof Symbol) {
-      return true;
-    }
-
-    return false;
-  }
-
-  // Equivalent of `typeof` but with special handling for array and regexp.
-  function getPropType(propValue) {
-    var propType = typeof propValue;
-    if (Array.isArray(propValue)) {
-      return 'array';
-    }
-    if (propValue instanceof RegExp) {
-      // Old webkits (at least until Android 4.0) return 'function' rather than
-      // 'object' for typeof a RegExp. We'll normalize this here so that /bla/
-      // passes PropTypes.object.
-      return 'object';
-    }
-    if (isSymbol(propType, propValue)) {
-      return 'symbol';
-    }
-    return propType;
-  }
-
-  // This handles more types than `getPropType`. Only used for error messages.
-  // See `createPrimitiveTypeChecker`.
-  function getPreciseType(propValue) {
-    if (typeof propValue === 'undefined' || propValue === null) {
-      return '' + propValue;
-    }
-    var propType = getPropType(propValue);
-    if (propType === 'object') {
-      if (propValue instanceof Date) {
-        return 'date';
-      } else if (propValue instanceof RegExp) {
-        return 'regexp';
-      }
-    }
-    return propType;
-  }
-
-  // Returns a string that is postfixed to a warning about an invalid type.
-  // For example, "undefined" or "of type array"
-  function getPostfixForTypeWarning(value) {
-    var type = getPreciseType(value);
-    switch (type) {
-      case 'array':
-      case 'object':
-        return 'an ' + type;
-      case 'boolean':
-      case 'date':
-      case 'regexp':
-        return 'a ' + type;
-      default:
-        return type;
-    }
-  }
-
-  // Returns class name of the object, if any.
-  function getClassName(propValue) {
-    if (!propValue.constructor || !propValue.constructor.name) {
-      return ANONYMOUS;
-    }
-    return propValue.constructor.name;
-  }
-
-  ReactPropTypes.checkPropTypes = checkPropTypes$2;
-  ReactPropTypes.PropTypes = ReactPropTypes;
-
-  return ReactPropTypes;
-};
-
-
-
-var factoryWithTypeCheckers$2 = Object.freeze({
-	default: factoryWithTypeCheckers,
-	__moduleExports: factoryWithTypeCheckers
-});
-
-'use strict';
-
-var require$$0$31 = ( factoryWithTypeCheckers$2 && factoryWithTypeCheckers ) || factoryWithTypeCheckers$2;
-
-var propTypes = createCommonjsModule(function (module) {
-/**
- * Copyright (c) 2013-present, Facebook, Inc.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-{
-  var REACT_ELEMENT_TYPE = (typeof Symbol === 'function' &&
-    Symbol.for &&
-    Symbol.for('react.element')) ||
-    0xeac7;
-
-  var isValidElement = function(object) {
-    return typeof object === 'object' &&
-      object !== null &&
-      object.$$typeof === REACT_ELEMENT_TYPE;
-  };
-
-  // By explicitly using `prop-types` you are opting into new development behavior.
-  // http://fb.me/prop-types-in-prod
-  var throwOnDirectAccess = true;
-  module.exports = require$$0$31(isValidElement, throwOnDirectAccess);
-}
-});
-
-
-
-var propTypes$2 = Object.freeze({
-	default: propTypes,
-	__moduleExports: propTypes
-});
-
 var isString_1 = createCommonjsModule(function (module, exports) {
 'use strict';
 
@@ -32319,7 +36728,7 @@ var defaultRenderElements$2 = Object.freeze({
 
 var _raf2 = ( raf$1 && raf_1 ) || raf$1;
 
-var _propTypes = ( propTypes$2 && propTypes ) || propTypes$2;
+var _propTypes = ( propTypes$1 && propTypes ) || propTypes$1;
 
 var _isString = ( isString$1 && isString ) || isString$1;
 
@@ -33162,7520 +37571,6 @@ exports.Scrollbars = _Scrollbars2["default"];
 unwrapExports(lib$2);
 var lib_1 = lib$2.Scrollbars;
 
-var ChatPage =
-/*#__PURE__*/
-function (_Component) {
-  _inherits(ChatPage, _Component);
-
-  function ChatPage(props) {
-    var _this;
-
-    _classCallCheck(this, ChatPage);
-
-    _this = _possibleConstructorReturn(this, (ChatPage.__proto__ || Object.getPrototypeOf(ChatPage)).call(this, props));
-    _this.presence = false;
-    _this.state = {
-      message: "",
-      invitee: ""
-    };
-    _this.messageChange = _this.messageChange.bind(_this);
-    _this.messageSubmit = _this.messageSubmit.bind(_this);
-    _this.inviteChange = _this.inviteChange.bind(_this);
-    _this.inviteSubmit = _this.inviteSubmit.bind(_this);
-    return _this;
-  }
-
-  _createClass(ChatPage, [{
-    key: "messageChange",
-    value: function messageChange(event) {
-      this.setState({
-        message: event.target.value
-      });
-    }
-  }, {
-    key: "inviteChange",
-    value: function inviteChange(event) {
-      this.setState({
-        invitee: event.target.value
-      });
-    }
-  }, {
-    key: "messageSubmit",
-    value: function messageSubmit(event) {
-      event.preventDefault();
-      event.stopPropagation();
-      var aud;
-      var config = this.props.store.configs[this.props.queryParams.station];
-
-      if (config.cap === "dm") {
-        // TODO: Actually, ships should = config.con.sis instead of getting it from name
-        // but config.con.sis isn't filled because we don't formally invite host ships in case of mirroring
-        // need to add to config.con.sis without sending invites
-        var ships = this.props.queryParams.station.split("/").slice(1)[0].split(".");
-        aud = ships.sort().map(function (mem) {
-          // EG,  ~polzod/marzod.polzod.zod
-          console.log('mem = ', mem);
-          return "~".concat(mem, "/").concat(ships.join('.'));
-        });
-      } else {
-        aud = [this.props.queryParams.station];
-      }
-
-      var message = {
-        uid: uuid(),
-        aud: aud,
-        aut: this.props.store.usership,
-        wen: Date.now(),
-        sep: {
-          lin: {
-            msg: this.state.message,
-            pat: false
-          }
-        }
-      };
-      this.props.api.hall({
-        convey: [message]
-      });
-      this.setState({
-        message: ""
-      });
-    }
-  }, {
-    key: "inviteSubmit",
-    value: function inviteSubmit(event) {
-      event.preventDefault();
-      event.stopPropagation();
-      this.props.api.hall({
-        permit: {
-          nom: this.props.queryParams.station.split("/")[1],
-          sis: [this.state.invitee],
-          inv: true
-        }
-      });
-      this.setState({
-        invitee: ""
-      });
-    }
-  }, {
-    key: "assembleChatRows",
-    value: function assembleChatRows(messages) {
-      var chatRows = [];
-      var prevDay = 0;
-      var prevName = ""; // add date markers & group messages by author
-
-      for (var i = 0; i < messages.length; i++) {
-        var date = moment(messages[i].wen);
-
-        if (messages[i].wen > prevDay) {
-          chatRows.push({
-            date: date.format("dddd, MMM Do")
-          });
-          prevDay = date.endOf('day').format('x');
-          prevName = "";
-        }
-
-        if (prevName !== messages[i].aut) {
-          messages[i].printship = true;
-          prevName = messages[i].aut;
-        }
-
-        chatRows.push(messages[i]);
-      }
-
-      return chatRows;
-    }
-  }, {
-    key: "assembleMembers",
-    value: function assembleMembers(station) {
-      var cos = this.props.store.configs[station] || {
-        pes: {},
-        con: {
-          sis: []
-        }
-      };
-      var statusCir = "";
-
-      if (!cos.pes) {
-        return;
-      }
-
-      var presMems = Object.keys(cos.pes).map(function (ship) {
-        switch (cos.pes[ship].pec) {
-          case "idle":
-            statusCir = "cir-green";
-            break;
-
-          case "talk":
-            statusCir = "cir-red";
-            break;
-
-          case "gone":
-            statusCir = "cir-black";
-            break;
-        }
-
-        return react.createElement("div", {
-          key: ship
-        }, react.createElement("span", {
-          className: "cir-status mr-4 ".concat(statusCir)
-        }), react.createElement("span", {
-          className: "chat-member-name"
-        }, ship));
-      });
-      var invMems = cos.con.sis.map(function (inv) {
-        // If user is in whitelist but not in presence list
-        if (Object.keys(cos.pes).indexOf("~".concat(inv)) === -1) {
-          return react.createElement("div", {
-            key: "".concat(inv)
-          }, react.createElement("span", {
-            className: "cir-status mr-4 cir-grey"
-          }), react.createElement("span", {
-            className: "chat-member-name"
-          }, "~".concat(inv)));
-        }
-      });
-      return react.createElement("div", null, presMems, react.createElement("h5", {
-        className: "mt-8"
-      }, "Invited:"), invMems, react.createElement("form", {
-        onSubmit: this.inviteSubmit
-      }, react.createElement("input", {
-        type: "text",
-        className: "w-30 input-sm",
-        value: this.state.invitee,
-        onChange: this.inviteChange,
-        placeholder: "Ship..."
-      })));
-    }
-  }, {
-    key: "setPresence",
-    value: function setPresence(station) {
-      if (!this.presence) {
-        this.presence = true;
-        this.props.api.hall({
-          notify: {
-            aud: [station],
-            pes: "idle"
-          }
-        });
-      }
-    }
-  }, {
-    key: "render",
-    value: function render() {
-      var stationName = this.props.queryParams.station;
-      var station = this.props.store.messages[stationName] || {
-        messages: []
-      };
-      this.setPresence(stationName);
-      var chatRows = this.assembleChatRows(station.messages);
-      var chatMembers = this.assembleMembers(stationName);
-      var chatMessages = chatRows.map(function (msg) {
-        var autLabel = msg.printship ? "~".concat(msg.aut) : null;
-        var appClass = msg.app ? " chat-msg-app" : "";
-
-        if (msg.date) {
-          return react.createElement("div", {
-            className: "chat-sep",
-            key: msg.date
-          }, msg.date);
-        } else {
-          return react.createElement("div", {
-            key: msg.uid,
-            className: "row ".concat(appClass)
-          }, react.createElement("div", {
-            className: "col-sm-2 text-mono"
-          }, autLabel), react.createElement("div", {
-            className: "col-sm-8"
-          }, msg.sep.lin.msg));
-        }
-      });
-      return react.createElement("div", null, react.createElement(lib_1, {
-        renderTrackHorizontal: function renderTrackHorizontal(props) {
-          return react.createElement("div", {
-            style: {
-              display: "none"
-            }
-          });
-        },
-        style: {
-          height: 650
-        },
-        autoHide: true,
-        className: "chat-scrollpane"
-      }, chatMessages), react.createElement("div", {
-        className: "chat-input row mt-6"
-      }, react.createElement("div", {
-        className: "col-sm-2 text-700"
-      }, "~", this.props.store.usership), react.createElement("div", {
-        className: "col-sm-8"
-      }, react.createElement("form", {
-        onSubmit: this.messageSubmit
-      }, react.createElement("input", {
-        className: "chat-input-field",
-        type: "text",
-        placeholder: "Say something",
-        value: this.state.message,
-        onChange: this.messageChange
-      })))), react.createElement("div", {
-        className: "sidebar"
-      }, chatMembers));
-    }
-  }]);
-
-  return ChatPage;
-}(react_1);
-
-var FeedPage =
-/*#__PURE__*/
-function (_Component) {
-  _inherits(FeedPage, _Component);
-
-  function FeedPage(props) {
-    var _this;
-
-    _classCallCheck(this, FeedPage);
-
-    _this = _possibleConstructorReturn(this, (FeedPage.__proto__ || Object.getPrototypeOf(FeedPage)).call(this, props));
-    _this.state = {
-      message: ""
-    };
-    _this.messageSubmit = _this.messageSubmit.bind(_this);
-    _this.messageChange = _this.messageChange.bind(_this);
-    return _this;
-  }
-
-  _createClass(FeedPage, [{
-    key: "messageChange",
-    value: function messageChange(event) {
-      this.setState({
-        message: event.target.value
-      });
-    }
-  }, {
-    key: "messageSubmit",
-    value: function messageSubmit(event) {
-      event.preventDefault();
-      event.stopPropagation();
-      var message = {
-        uid: uuid(),
-        aud: [this.props.queryParams.station],
-        aut: this.props.store.usership,
-        wen: Date.now(),
-        sep: {
-          lin: {
-            msg: this.state.message,
-            pat: false
-          }
-        }
-      };
-      this.props.api.hall({
-        convey: [message]
-      });
-      this.setState({
-        message: ""
-      });
-    }
-  }, {
-    key: "render",
-    value: function render() {
-      var messages = this.props.store.messages[this.props.queryParams.station];
-      var messageElems = null;
-
-      if (messages) {
-        messageElems = messages.messages.slice(0) // creates a shallow copy
-        .sort(function (a, b) {
-          return a.wen < b.wen;
-        }) // sort messages newest-first
-        .map(function (msg) {
-          var displayDate = moment(msg.wen).fromNow();
-          return react.createElement("div", {
-            key: msg.uid,
-            className: "mt-8"
-          }, react.createElement("div", {
-            className: "text-mono"
-          }, displayDate), react.createElement("div", {
-            className: "text-lg"
-          }, msg.sep.lin.msg));
-        });
-      }
-
-      return react.createElement("div", null, react.createElement("b", null, "~", this.props.store.usership), react.createElement("div", {
-        className: "chat-input mt-6"
-      }, react.createElement("div", {
-        className: "col-sm-8"
-      }, react.createElement("form", {
-        onSubmit: this.messageSubmit
-      }, react.createElement("input", {
-        className: "chat-input-field",
-        type: "text",
-        placeholder: "Say something",
-        value: this.state.message,
-        onChange: this.messageChange
-      })))), react.createElement("div", null, messageElems));
-    }
-  }]);
-
-  return FeedPage;
-}(react_1);
-
-var StreamPageHeader =
-/*#__PURE__*/
-function (_Component) {
-  _inherits(StreamPageHeader, _Component);
-
-  function StreamPageHeader() {
-    _classCallCheck(this, StreamPageHeader);
-
-    return _possibleConstructorReturn(this, (StreamPageHeader.__proto__ || Object.getPrototypeOf(StreamPageHeader)).apply(this, arguments));
-  }
-
-  _createClass(StreamPageHeader, [{
-    key: "render",
-    value: function render() {
-      return react.createElement("div", {
-        className: "header-subpage"
-      }, react.createElement("h3", {
-        className: "header-sep"
-      }, "/"), react.createElement("h3", {
-        className: "inline text-mono"
-      }, this.props.queryParams.station), react.createElement("a", {
-        className: "header-settings text-sm",
-        href: "/~~/pages/nutalk/stream/edit?station=".concat(this.props.queryParams.station)
-      }, "Settings \u2192"));
-    }
-  }]);
-
-  return StreamPageHeader;
-}(react_1);
-var StreamPage =
-/*#__PURE__*/
-function (_Component2) {
-  _inherits(StreamPage, _Component2);
-
-  function StreamPage(props) {
-    _classCallCheck(this, StreamPage);
-
-    return _possibleConstructorReturn(this, (StreamPage.__proto__ || Object.getPrototypeOf(StreamPage)).call(this, props));
-  }
-
-  _createClass(StreamPage, [{
-    key: "render",
-    value: function render() {
-      var cos = this.props.store.configs[this.props.queryParams.station];
-      var subpage = null;
-
-      if (cos && (cos.cap === "chat" || cos.cap === "dm")) {
-        subpage = [react.createElement(ChatPage, this.props)];
-      } else if (cos && cos.cap === "feed") {
-        subpage = [react.createElement(FeedPage, this.props)];
-      }
-
-      return react.createElement("div", null, subpage);
-    }
-  }]);
-
-  return StreamPage;
-}(react_1);
-
-var StreamEditPage =
-/*#__PURE__*/
-function (_Component) {
-  _inherits(StreamEditPage, _Component);
-
-  function StreamEditPage() {
-    _classCallCheck(this, StreamEditPage);
-
-    return _possibleConstructorReturn(this, (StreamEditPage.__proto__ || Object.getPrototypeOf(StreamEditPage)).apply(this, arguments));
-  }
-
-  _createClass(StreamEditPage, [{
-    key: "render",
-    value: function render() {
-      return react.createElement("h1", null, "Stream edit page!");
-    }
-  }]);
-
-  return StreamEditPage;
-}(react_1);
-
-var StreamCreatePage =
-/*#__PURE__*/
-function (_Component) {
-  _inherits(StreamCreatePage, _Component);
-
-  function StreamCreatePage(props) {
-    var _this;
-
-    _classCallCheck(this, StreamCreatePage);
-
-    _this = _possibleConstructorReturn(this, (StreamCreatePage.__proto__ || Object.getPrototypeOf(StreamCreatePage)).call(this, props));
-    _this.state = {
-      loading: false,
-      stream: {
-        nom: "",
-        des: "chat",
-        sec: "village",
-        dis: "no",
-        aud: [],
-        audNew: ""
-      },
-      oldStream: {},
-      descriptions: {
-        type: {
-          "feed": "A feed is a time-ordered (newest-first) list of microblogging messages.",
-          "chat": "A chat is a time-ordered (newest-last) traditional, multi-user chatroom.",
-          "list": "A list is a compiled aggregation of other circles.",
-          "dm": "A DM is a direct message group between one or more recipients."
-        },
-        security: {
-          channel: "A channel is publicly readable and writable, with a blacklist for blocking.",
-          village: "A village is privately readable and writable, with a whitelist for inviting.",
-          journal: "A journal is publicly readable and privately writable, with a whitelist for authors.",
-          mailbox: "A mailbox is owner-readable and publicly writable, with a blacklist for blocking."
-        }
-      },
-      deleteStream: "",
-      editLoaded: false
-    };
-    _this.submitStream = _this.submitStream.bind(_this);
-    _this.valueChange = _this.valueChange.bind(_this);
-    _this.addAud = _this.addAud.bind(_this);
-    _this.remAud = _this.remAud.bind(_this);
-    _this.deleteStream = _this.deleteStream.bind(_this);
-    _this.deleteChange = _this.deleteChange.bind(_this);
-    return _this;
-  }
-
-  _createClass(StreamCreatePage, [{
-    key: "componentWillReceiveProps",
-    value: function componentWillReceiveProps(nextProps) {
-      if (!this.state.editLoaded) return;
-      var newAud = nextProps.store.configs["~".concat(this.props.store.usership, "/").concat(this.state.stream.nom)].con.sis;
-
-      if (!arrayEqual(this.state.stream.aud, newAud)) {
-        this.setState({
-          stream: Object.assign(this.state.stream, {
-            aud: newAud
-          })
-        });
-      }
-    }
-  }, {
-    key: "loadEdit",
-    value: function loadEdit() {
-      var editStation = this.props.queryParams.station;
-
-      if (editStation && this.props.store.configs[editStation] && !this.state.editLoaded) {
-        var station = this.props.store.configs[editStation];
-        var stream = {
-          nom: editStation.split("/").slice(1).join("/"),
-          // TODO: This will need editing if there are multiple /'s in a station name`
-          des: station.cap,
-          sec: station.con.sec,
-          aud: station.con.sis,
-          dis: "no"
-        };
-        this.setState({
-          stream: stream,
-          oldStream: Object.assign({}, stream),
-          // For some reason we need to make a shallow copy here... wtf?!?
-          editLoaded: true
-        });
-      }
-    }
-  }, {
-    key: "deleteChange",
-    value: function deleteChange(event) {
-      console.log(event.target.value);
-      this.setState({
-        deleteStream: event.target.value
-      });
-    }
-  }, {
-    key: "deleteStream",
-    value: function deleteStream() {
-      console.log("deleting");
-      this.props.api.hall({
-        delete: {
-          nom: this.state.deleteStream,
-          why: "cuz"
-        }
-      }); // this.props.api.hall({
-      //   source: {
-      //     nom: `inbox`,
-      //     sub: false,
-      //     srs: [this.state.deleteStream]
-      //   }
-      // });
-    }
-  }, {
-    key: "submitStream",
-    value: function submitStream() {
-      if (this.state.editLoaded) {
-        this.editStream();
-      } else {
-        this.createStream();
-      }
-    }
-  }, {
-    key: "editStream",
-    value: function editStream() {
-      if (!this.state.oldStream) return;
-
-      if (this.state.stream.des !== this.state.oldStream.des) {
-        this.props.api.hall({
-          depict: {
-            nom: this.state.oldStream.nom,
-            des: this.state.stream.des
-          }
-        });
-      }
-    }
-  }, {
-    key: "createStream",
-    value: function createStream() {
-      this.props.api.hall({
-        create: {
-          nom: this.state.stream.nom,
-          des: this.state.stream.des,
-          sec: this.state.stream.sec
-        }
-      }, {
-        target: "/~~/pages/nutalk/stream?station=~".concat(this.props.store.usership, "/").concat(this.state.stream.nom)
-      });
-      this.setState({
-        loading: true
-      });
-
-      if (this.state.stream.aud.length > 0) {
-        this.props.storeData({
-          pendingInvites: [{
-            aud: this.state.stream.aud,
-            nom: this.state.stream.nom
-          }]
-        });
-      }
-    }
-  }, {
-    key: "valueChange",
-    value: function valueChange(event) {
-      var value = event.target.type === 'checkbox' ? event.target.checked : event.target.value;
-      var name = event.target.name;
-
-      var stream = _defineProperty({}, name, value);
-
-      if (name === "audRaw") {
-        stream.aud = value.split([", "]);
-      }
-
-      var des = stream.des || this.state.stream.des;
-      var aud = stream.aud || this.state.stream.aud;
-
-      if (des === "dm") {
-        stream.sec = "village";
-        stream.nom = "".concat(aud.concat(this.props.store.usership).sort().join("."));
-      }
-
-      this.setState({
-        stream: Object.assign(this.state.stream, stream)
-      });
-    }
-  }, {
-    key: "addAud",
-    value: function addAud() {
-      var newStream = {};
-
-      if (this.state.editLoaded) {
-        var inv = this.state.stream.sec === "village" || this.state.stream.sec === "journal";
-        this.props.api.hall({
-          permit: {
-            nom: this.state.stream.nom,
-            inv: inv,
-            sis: [this.state.stream.audNew]
-          }
-        });
-        newStream = {
-          audNew: ""
-        };
-      } else {
-        newStream = {
-          aud: this.state.stream.aud.concat(this.state.stream.audNew),
-          audNew: ""
-        };
-      }
-
-      var aud = newStream.aud || this.state.stream.aud;
-
-      if (this.state.stream.des === "dm") {
-        newStream.nom = "".concat(aud.concat(this.props.store.usership).sort().join("."));
-      }
-
-      this.setState({
-        stream: Object.assign(this.state.stream, newStream)
-      });
-    }
-  }, {
-    key: "remAud",
-    value: function remAud(evt) {
-      var newStream = {};
-
-      if (this.state.editLoaded) {
-        this.props.api.hall({
-          permit: {
-            nom: this.state.stream.nom,
-            inv: false,
-            sis: [evt.target.dataset.ship]
-          }
-        });
-      } else {
-        newStream.aud = this.state.stream.aud.filter(function (mem) {
-          return mem !== evt.target.dataset.ship;
-        });
-      }
-
-      var aud = newStream.aud || this.state.stream.aud;
-
-      if (this.state.stream.des === "dm") {
-        newStream.nom = "".concat(aud.concat(this.props.store.usership).sort().join("."));
-      }
-
-      this.setState({
-        stream: Object.assign(this.state.stream, newStream)
-      });
-    }
-  }, {
-    key: "render",
-    value: function render() {
-      var _this2 = this;
-
-      this.loadEdit();
-      var typeDesc = this.state.descriptions.type[this.state.stream.des];
-      var secDesc = this.state.descriptions.security[this.state.stream.sec];
-      var nomDisabled = this.state.loading || this.state.stream.des === "dm";
-      var secDisabled = this.state.loading || this.state.stream.des === "dm";
-      var audienceLabel = this.state.stream.sec === "village" || this.state.stream.sec === "journal" ? "Whitelist" : "Blacklist";
-      var audienceList = this.state.stream.aud.map(function (mem) {
-        if (mem === _this2.props.store.usership) return null;
-        return react.createElement("div", {
-          className: "row space-between"
-        }, react.createElement("div", {
-          className: "col-sm-8"
-        }, "~".concat(mem)), react.createElement("div", {
-          className: "col-sm-offset-3 col-sm-1 minus",
-          "data-ship": mem,
-          onClick: _this2.remAud
-        }, "-"));
-      });
-      return react.createElement("div", {
-        className: "row"
-      }, react.createElement("div", {
-        className: "col-sm-12"
-      }, react.createElement("div", {
-        className: "create-stream-page"
-      }, react.createElement("div", {
-        className: "input-group mb-9"
-      }, react.createElement("label", {
-        htmlFor: "nom"
-      }, "Name"), react.createElement("input", {
-        type: "text",
-        className: "input-text-lg",
-        name: "nom",
-        placeholder: "Secret club",
-        disabled: nomDisabled,
-        onChange: this.valueChange,
-        value: this.state.stream.nom
-      })), react.createElement("div", {
-        className: "input-group mb-9"
-      }, react.createElement("label", {
-        htmlFor: "stream-type"
-      }, "Type"), react.createElement("div", {
-        className: "row"
-      }, react.createElement("div", {
-        className: "col-sm-6"
-      }, react.createElement("div", {
-        className: "select-dropdown",
-        disabled: this.state.loading
-      }, react.createElement("select", {
-        name: "des",
-        disabled: this.state.loading,
-        value: this.state.stream.des,
-        onChange: this.valueChange
-      }, react.createElement("option", {
-        value: "feed"
-      }, "Feed"), react.createElement("option", {
-        value: "chat"
-      }, "Chat"), react.createElement("option", {
-        value: "list"
-      }, "List"), react.createElement("option", {
-        value: "dm"
-      }, "DM")), react.createElement("span", {
-        className: "select-icon"
-      }, "\u2193"))), react.createElement("div", {
-        className: "col-sm-offset-1 col-sm-5"
-      }, react.createElement("i", null, typeDesc)))), react.createElement("div", {
-        className: "input-group mb-9"
-      }, react.createElement("label", {
-        htmlFor: "stream-security"
-      }, "Security model"), react.createElement("div", {
-        className: "row"
-      }, react.createElement("div", {
-        className: "col-sm-6"
-      }, react.createElement("div", {
-        className: "select-dropdown",
-        disabled: secDisabled
-      }, react.createElement("select", {
-        name: "sec",
-        disabled: secDisabled,
-        value: this.state.stream.sec,
-        onChange: this.valueChange
-      }, react.createElement("option", {
-        value: "village"
-      }, "Village"), react.createElement("option", {
-        value: "channel"
-      }, "Channel"), react.createElement("option", {
-        value: "journal"
-      }, "Journal"), react.createElement("option", {
-        value: "mailbox"
-      }, "Mailbox")), react.createElement("span", {
-        className: "select-icon"
-      }, "\u2193"))), react.createElement("div", {
-        className: "col-sm-offset-1 col-sm-5"
-      }, react.createElement("i", null, secDesc)))), react.createElement("div", {
-        className: "row"
-      }, react.createElement("div", {
-        className: "col-sm-6"
-      }, react.createElement("div", {
-        className: "input-group mb-9"
-      }, react.createElement("label", {
-        htmlFor: "stream-ships"
-      }, audienceLabel), audienceList, react.createElement("div", {
-        className: "text-700 mt-8"
-      }, "Add New"), react.createElement("div", {
-        className: "row"
-      }, react.createElement("input", {
-        type: "text",
-        name: "audNew",
-        className: "col-sm-8",
-        placeholder: "ramvel-rodpyl",
-        disabled: this.state.loading,
-        value: this.state.stream.audNew,
-        onChange: this.valueChange
-      }), react.createElement("span", {
-        className: "col-sm-offset-3 col-sm-1 plus",
-        onClick: this.addAud
-      }, "+"))))), react.createElement("div", {
-        className: "input-group input-group-radio mb-9"
-      }, react.createElement("div", {
-        className: "text-700 mt-4"
-      }, "Discoverable?"), react.createElement("label", {
-        htmlFor: "stream-discoverable-yes",
-        disabled: this.state.loading,
-        className: this.state.stream.dis === "yes" ? "radio-active" : ""
-      }, " Yes", react.createElement("input", {
-        type: "radio",
-        name: "dis",
-        value: "yes",
-        id: "stream-discoverable-yes",
-        disabled: this.state.loading,
-        checked: this.state.stream.dis === "yes",
-        onChange: this.valueChange
-      })), react.createElement("label", {
-        htmlFor: "stream-discoverable-no",
-        disabled: this.state.loading,
-        className: this.state.stream.dis === "no" ? "radio-active" : ""
-      }, " No", react.createElement("input", {
-        type: "radio",
-        name: "dis",
-        value: "no",
-        id: "stream-discoverable-no",
-        disabled: this.state.loading,
-        checked: this.state.stream.dis === "no",
-        onChange: this.valueChange
-      }))), react.createElement("button", {
-        type: "submit",
-        className: "btn btn-primary mt-12",
-        onClick: this.submitStream
-      }, this.state.editLoaded ? "Submit" : "Create", " \u2192"))), react.createElement("div", {
-        className: "sidebar fawef"
-      }, react.createElement("input", {
-        type: "text",
-        onChange: this.deleteChange
-      }), react.createElement("button", {
-        type: "button",
-        onClick: this.deleteStream
-      }, "Delete")));
-    }
-  }]);
-
-  return StreamCreatePage;
-}(react_1);
-
-var lookup = [];
-var revLookup = [];
-var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
-var inited = false;
-function init () {
-  inited = true;
-  var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
-  for (var i = 0, len = code.length; i < len; ++i) {
-    lookup[i] = code[i];
-    revLookup[code.charCodeAt(i)] = i;
-  }
-
-  revLookup['-'.charCodeAt(0)] = 62;
-  revLookup['_'.charCodeAt(0)] = 63;
-}
-
-function toByteArray (b64) {
-  if (!inited) {
-    init();
-  }
-  var i, j, l, tmp, placeHolders, arr;
-  var len = b64.length;
-
-  if (len % 4 > 0) {
-    throw new Error('Invalid string. Length must be a multiple of 4')
-  }
-
-  // the number of equal signs (place holders)
-  // if there are two placeholders, than the two characters before it
-  // represent one byte
-  // if there is only one, then the three characters before it represent 2 bytes
-  // this is just a cheap hack to not do indexOf twice
-  placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0;
-
-  // base64 is 4/3 + up to two characters of the original data
-  arr = new Arr(len * 3 / 4 - placeHolders);
-
-  // if there are placeholders, only get up to the last complete 4 chars
-  l = placeHolders > 0 ? len - 4 : len;
-
-  var L = 0;
-
-  for (i = 0, j = 0; i < l; i += 4, j += 3) {
-    tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)];
-    arr[L++] = (tmp >> 16) & 0xFF;
-    arr[L++] = (tmp >> 8) & 0xFF;
-    arr[L++] = tmp & 0xFF;
-  }
-
-  if (placeHolders === 2) {
-    tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4);
-    arr[L++] = tmp & 0xFF;
-  } else if (placeHolders === 1) {
-    tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2);
-    arr[L++] = (tmp >> 8) & 0xFF;
-    arr[L++] = tmp & 0xFF;
-  }
-
-  return arr
-}
-
-function tripletToBase64 (num) {
-  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
-}
-
-function encodeChunk (uint8, start, end) {
-  var tmp;
-  var output = [];
-  for (var i = start; i < end; i += 3) {
-    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]);
-    output.push(tripletToBase64(tmp));
-  }
-  return output.join('')
-}
-
-function fromByteArray (uint8) {
-  if (!inited) {
-    init();
-  }
-  var tmp;
-  var len = uint8.length;
-  var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes
-  var output = '';
-  var parts = [];
-  var maxChunkLength = 16383; // must be multiple of 3
-
-  // go through the array every three bytes, we'll deal with trailing stuff later
-  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
-    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)));
-  }
-
-  // pad the end with zeros, but make sure to not forget the extra bytes
-  if (extraBytes === 1) {
-    tmp = uint8[len - 1];
-    output += lookup[tmp >> 2];
-    output += lookup[(tmp << 4) & 0x3F];
-    output += '==';
-  } else if (extraBytes === 2) {
-    tmp = (uint8[len - 2] << 8) + (uint8[len - 1]);
-    output += lookup[tmp >> 10];
-    output += lookup[(tmp >> 4) & 0x3F];
-    output += lookup[(tmp << 2) & 0x3F];
-    output += '=';
-  }
-
-  parts.push(output);
-
-  return parts.join('')
-}
-
-function read (buffer, offset, isLE, mLen, nBytes) {
-  var e, m;
-  var eLen = nBytes * 8 - mLen - 1;
-  var eMax = (1 << eLen) - 1;
-  var eBias = eMax >> 1;
-  var nBits = -7;
-  var i = isLE ? (nBytes - 1) : 0;
-  var d = isLE ? -1 : 1;
-  var s = buffer[offset + i];
-
-  i += d;
-
-  e = s & ((1 << (-nBits)) - 1);
-  s >>= (-nBits);
-  nBits += eLen;
-  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
-
-  m = e & ((1 << (-nBits)) - 1);
-  e >>= (-nBits);
-  nBits += mLen;
-  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
-
-  if (e === 0) {
-    e = 1 - eBias;
-  } else if (e === eMax) {
-    return m ? NaN : ((s ? -1 : 1) * Infinity)
-  } else {
-    m = m + Math.pow(2, mLen);
-    e = e - eBias;
-  }
-  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
-}
-
-function write (buffer, value, offset, isLE, mLen, nBytes) {
-  var e, m, c;
-  var eLen = nBytes * 8 - mLen - 1;
-  var eMax = (1 << eLen) - 1;
-  var eBias = eMax >> 1;
-  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0);
-  var i = isLE ? 0 : (nBytes - 1);
-  var d = isLE ? 1 : -1;
-  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;
-
-  value = Math.abs(value);
-
-  if (isNaN(value) || value === Infinity) {
-    m = isNaN(value) ? 1 : 0;
-    e = eMax;
-  } else {
-    e = Math.floor(Math.log(value) / Math.LN2);
-    if (value * (c = Math.pow(2, -e)) < 1) {
-      e--;
-      c *= 2;
-    }
-    if (e + eBias >= 1) {
-      value += rt / c;
-    } else {
-      value += rt * Math.pow(2, 1 - eBias);
-    }
-    if (value * c >= 2) {
-      e++;
-      c /= 2;
-    }
-
-    if (e + eBias >= eMax) {
-      m = 0;
-      e = eMax;
-    } else if (e + eBias >= 1) {
-      m = (value * c - 1) * Math.pow(2, mLen);
-      e = e + eBias;
-    } else {
-      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
-      e = 0;
-    }
-  }
-
-  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
-
-  e = (e << mLen) | m;
-  eLen += mLen;
-  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
-
-  buffer[offset + i - d] |= s * 128;
-}
-
-var toString$2 = {}.toString;
-
-var isArray$1 = Array.isArray || function (arr) {
-  return toString$2.call(arr) == '[object Array]';
-};
-
-/*!
- * The buffer module from node.js, for the browser.
- *
- * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
- * @license  MIT
- */
-/* eslint-disable no-proto */
-
-
-var INSPECT_MAX_BYTES = 50;
-
-/**
- * If `Buffer.TYPED_ARRAY_SUPPORT`:
- *   === true    Use Uint8Array implementation (fastest)
- *   === false   Use Object implementation (most compatible, even IE6)
- *
- * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
- * Opera 11.6+, iOS 4.2+.
- *
- * Due to various browser bugs, sometimes the Object implementation will be used even
- * when the browser supports typed arrays.
- *
- * Note:
- *
- *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
- *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
- *
- *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
- *
- *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
- *     incorrect length in some situations.
-
- * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
- * get the Object implementation, which is slower but behaves correctly.
- */
-Buffer$1.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
-  ? global.TYPED_ARRAY_SUPPORT
-  : true;
-
-/*
- * Export kMaxLength after typed array support is determined.
- */
-var _kMaxLength = kMaxLength();
-function kMaxLength () {
-  return Buffer$1.TYPED_ARRAY_SUPPORT
-    ? 0x7fffffff
-    : 0x3fffffff
-}
-
-function createBuffer (that, length) {
-  if (kMaxLength() < length) {
-    throw new RangeError('Invalid typed array length')
-  }
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    // Return an augmented `Uint8Array` instance, for best performance
-    that = new Uint8Array(length);
-    that.__proto__ = Buffer$1.prototype;
-  } else {
-    // Fallback: Return an object instance of the Buffer class
-    if (that === null) {
-      that = new Buffer$1(length);
-    }
-    that.length = length;
-  }
-
-  return that
-}
-
-/**
- * The Buffer constructor returns instances of `Uint8Array` that have their
- * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
- * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
- * and the `Uint8Array` methods. Square bracket notation works as expected -- it
- * returns a single octet.
- *
- * The `Uint8Array` prototype remains unmodified.
- */
-
-function Buffer$1 (arg, encodingOrOffset, length) {
-  if (!Buffer$1.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer$1)) {
-    return new Buffer$1(arg, encodingOrOffset, length)
-  }
-
-  // Common case.
-  if (typeof arg === 'number') {
-    if (typeof encodingOrOffset === 'string') {
-      throw new Error(
-        'If encoding is specified then the first argument must be a string'
-      )
-    }
-    return allocUnsafe(this, arg)
-  }
-  return from$1(this, arg, encodingOrOffset, length)
-}
-
-Buffer$1.poolSize = 8192; // not used by this implementation
-
-// TODO: Legacy, not needed anymore. Remove in next major version.
-Buffer$1._augment = function (arr) {
-  arr.__proto__ = Buffer$1.prototype;
-  return arr
-};
-
-function from$1 (that, value, encodingOrOffset, length) {
-  if (typeof value === 'number') {
-    throw new TypeError('"value" argument must not be a number')
-  }
-
-  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
-    return fromArrayBuffer(that, value, encodingOrOffset, length)
-  }
-
-  if (typeof value === 'string') {
-    return fromString(that, value, encodingOrOffset)
-  }
-
-  return fromObject(that, value)
-}
-
-/**
- * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
- * if value is a number.
- * Buffer.from(str[, encoding])
- * Buffer.from(array)
- * Buffer.from(buffer)
- * Buffer.from(arrayBuffer[, byteOffset[, length]])
- **/
-Buffer$1.from = function (value, encodingOrOffset, length) {
-  return from$1(null, value, encodingOrOffset, length)
-};
-
-if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-  Buffer$1.prototype.__proto__ = Uint8Array.prototype;
-  Buffer$1.__proto__ = Uint8Array;
-  
-}
-
-function assertSize (size) {
-  if (typeof size !== 'number') {
-    throw new TypeError('"size" argument must be a number')
-  } else if (size < 0) {
-    throw new RangeError('"size" argument must not be negative')
-  }
-}
-
-function alloc (that, size, fill, encoding) {
-  assertSize(size);
-  if (size <= 0) {
-    return createBuffer(that, size)
-  }
-  if (fill !== undefined) {
-    // Only pay attention to encoding if it's a string. This
-    // prevents accidentally sending in a number that would
-    // be interpretted as a start offset.
-    return typeof encoding === 'string'
-      ? createBuffer(that, size).fill(fill, encoding)
-      : createBuffer(that, size).fill(fill)
-  }
-  return createBuffer(that, size)
-}
-
-/**
- * Creates a new filled Buffer instance.
- * alloc(size[, fill[, encoding]])
- **/
-Buffer$1.alloc = function (size, fill, encoding) {
-  return alloc(null, size, fill, encoding)
-};
-
-function allocUnsafe (that, size) {
-  assertSize(size);
-  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0);
-  if (!Buffer$1.TYPED_ARRAY_SUPPORT) {
-    for (var i = 0; i < size; ++i) {
-      that[i] = 0;
-    }
-  }
-  return that
-}
-
-/**
- * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
- * */
-Buffer$1.allocUnsafe = function (size) {
-  return allocUnsafe(null, size)
-};
-/**
- * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
- */
-Buffer$1.allocUnsafeSlow = function (size) {
-  return allocUnsafe(null, size)
-};
-
-function fromString (that, string, encoding) {
-  if (typeof encoding !== 'string' || encoding === '') {
-    encoding = 'utf8';
-  }
-
-  if (!Buffer$1.isEncoding(encoding)) {
-    throw new TypeError('"encoding" must be a valid string encoding')
-  }
-
-  var length = byteLength(string, encoding) | 0;
-  that = createBuffer(that, length);
-
-  var actual = that.write(string, encoding);
-
-  if (actual !== length) {
-    // Writing a hex string, for example, that contains invalid characters will
-    // cause everything after the first invalid character to be ignored. (e.g.
-    // 'abxxcd' will be treated as 'ab')
-    that = that.slice(0, actual);
-  }
-
-  return that
-}
-
-function fromArrayLike (that, array) {
-  var length = array.length < 0 ? 0 : checked(array.length) | 0;
-  that = createBuffer(that, length);
-  for (var i = 0; i < length; i += 1) {
-    that[i] = array[i] & 255;
-  }
-  return that
-}
-
-function fromArrayBuffer (that, array, byteOffset, length) {
-  array.byteLength; // this throws if `array` is not a valid ArrayBuffer
-
-  if (byteOffset < 0 || array.byteLength < byteOffset) {
-    throw new RangeError('\'offset\' is out of bounds')
-  }
-
-  if (array.byteLength < byteOffset + (length || 0)) {
-    throw new RangeError('\'length\' is out of bounds')
-  }
-
-  if (byteOffset === undefined && length === undefined) {
-    array = new Uint8Array(array);
-  } else if (length === undefined) {
-    array = new Uint8Array(array, byteOffset);
-  } else {
-    array = new Uint8Array(array, byteOffset, length);
-  }
-
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    // Return an augmented `Uint8Array` instance, for best performance
-    that = array;
-    that.__proto__ = Buffer$1.prototype;
-  } else {
-    // Fallback: Return an object instance of the Buffer class
-    that = fromArrayLike(that, array);
-  }
-  return that
-}
-
-function fromObject (that, obj) {
-  if (internalIsBuffer(obj)) {
-    var len = checked(obj.length) | 0;
-    that = createBuffer(that, len);
-
-    if (that.length === 0) {
-      return that
-    }
-
-    obj.copy(that, 0, 0, len);
-    return that
-  }
-
-  if (obj) {
-    if ((typeof ArrayBuffer !== 'undefined' &&
-        obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
-      if (typeof obj.length !== 'number' || isnan(obj.length)) {
-        return createBuffer(that, 0)
-      }
-      return fromArrayLike(that, obj)
-    }
-
-    if (obj.type === 'Buffer' && isArray$1(obj.data)) {
-      return fromArrayLike(that, obj.data)
-    }
-  }
-
-  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
-}
-
-function checked (length) {
-  // Note: cannot use `length < kMaxLength()` here because that fails when
-  // length is NaN (which is otherwise coerced to zero.)
-  if (length >= kMaxLength()) {
-    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
-                         'size: 0x' + kMaxLength().toString(16) + ' bytes')
-  }
-  return length | 0
-}
-
-function SlowBuffer (length) {
-  if (+length != length) { // eslint-disable-line eqeqeq
-    length = 0;
-  }
-  return Buffer$1.alloc(+length)
-}
-Buffer$1.isBuffer = isBuffer;
-function internalIsBuffer (b) {
-  return !!(b != null && b._isBuffer)
-}
-
-Buffer$1.compare = function compare (a, b) {
-  if (!internalIsBuffer(a) || !internalIsBuffer(b)) {
-    throw new TypeError('Arguments must be Buffers')
-  }
-
-  if (a === b) return 0
-
-  var x = a.length;
-  var y = b.length;
-
-  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
-    if (a[i] !== b[i]) {
-      x = a[i];
-      y = b[i];
-      break
-    }
-  }
-
-  if (x < y) return -1
-  if (y < x) return 1
-  return 0
-};
-
-Buffer$1.isEncoding = function isEncoding (encoding) {
-  switch (String(encoding).toLowerCase()) {
-    case 'hex':
-    case 'utf8':
-    case 'utf-8':
-    case 'ascii':
-    case 'latin1':
-    case 'binary':
-    case 'base64':
-    case 'ucs2':
-    case 'ucs-2':
-    case 'utf16le':
-    case 'utf-16le':
-      return true
-    default:
-      return false
-  }
-};
-
-Buffer$1.concat = function concat (list, length) {
-  if (!isArray$1(list)) {
-    throw new TypeError('"list" argument must be an Array of Buffers')
-  }
-
-  if (list.length === 0) {
-    return Buffer$1.alloc(0)
-  }
-
-  var i;
-  if (length === undefined) {
-    length = 0;
-    for (i = 0; i < list.length; ++i) {
-      length += list[i].length;
-    }
-  }
-
-  var buffer = Buffer$1.allocUnsafe(length);
-  var pos = 0;
-  for (i = 0; i < list.length; ++i) {
-    var buf = list[i];
-    if (!internalIsBuffer(buf)) {
-      throw new TypeError('"list" argument must be an Array of Buffers')
-    }
-    buf.copy(buffer, pos);
-    pos += buf.length;
-  }
-  return buffer
-};
-
-function byteLength (string, encoding) {
-  if (internalIsBuffer(string)) {
-    return string.length
-  }
-  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
-      (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
-    return string.byteLength
-  }
-  if (typeof string !== 'string') {
-    string = '' + string;
-  }
-
-  var len = string.length;
-  if (len === 0) return 0
-
-  // Use a for loop to avoid recursion
-  var loweredCase = false;
-  for (;;) {
-    switch (encoding) {
-      case 'ascii':
-      case 'latin1':
-      case 'binary':
-        return len
-      case 'utf8':
-      case 'utf-8':
-      case undefined:
-        return utf8ToBytes(string).length
-      case 'ucs2':
-      case 'ucs-2':
-      case 'utf16le':
-      case 'utf-16le':
-        return len * 2
-      case 'hex':
-        return len >>> 1
-      case 'base64':
-        return base64ToBytes(string).length
-      default:
-        if (loweredCase) return utf8ToBytes(string).length // assume utf8
-        encoding = ('' + encoding).toLowerCase();
-        loweredCase = true;
-    }
-  }
-}
-Buffer$1.byteLength = byteLength;
-
-function slowToString (encoding, start, end) {
-  var loweredCase = false;
-
-  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
-  // property of a typed array.
-
-  // This behaves neither like String nor Uint8Array in that we set start/end
-  // to their upper/lower bounds if the value passed is out of range.
-  // undefined is handled specially as per ECMA-262 6th Edition,
-  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
-  if (start === undefined || start < 0) {
-    start = 0;
-  }
-  // Return early if start > this.length. Done here to prevent potential uint32
-  // coercion fail below.
-  if (start > this.length) {
-    return ''
-  }
-
-  if (end === undefined || end > this.length) {
-    end = this.length;
-  }
-
-  if (end <= 0) {
-    return ''
-  }
-
-  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
-  end >>>= 0;
-  start >>>= 0;
-
-  if (end <= start) {
-    return ''
-  }
-
-  if (!encoding) encoding = 'utf8';
-
-  while (true) {
-    switch (encoding) {
-      case 'hex':
-        return hexSlice(this, start, end)
-
-      case 'utf8':
-      case 'utf-8':
-        return utf8Slice(this, start, end)
-
-      case 'ascii':
-        return asciiSlice(this, start, end)
-
-      case 'latin1':
-      case 'binary':
-        return latin1Slice(this, start, end)
-
-      case 'base64':
-        return base64Slice(this, start, end)
-
-      case 'ucs2':
-      case 'ucs-2':
-      case 'utf16le':
-      case 'utf-16le':
-        return utf16leSlice(this, start, end)
-
-      default:
-        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
-        encoding = (encoding + '').toLowerCase();
-        loweredCase = true;
-    }
-  }
-}
-
-// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
-// Buffer instances.
-Buffer$1.prototype._isBuffer = true;
-
-function swap (b, n, m) {
-  var i = b[n];
-  b[n] = b[m];
-  b[m] = i;
-}
-
-Buffer$1.prototype.swap16 = function swap16 () {
-  var len = this.length;
-  if (len % 2 !== 0) {
-    throw new RangeError('Buffer size must be a multiple of 16-bits')
-  }
-  for (var i = 0; i < len; i += 2) {
-    swap(this, i, i + 1);
-  }
-  return this
-};
-
-Buffer$1.prototype.swap32 = function swap32 () {
-  var len = this.length;
-  if (len % 4 !== 0) {
-    throw new RangeError('Buffer size must be a multiple of 32-bits')
-  }
-  for (var i = 0; i < len; i += 4) {
-    swap(this, i, i + 3);
-    swap(this, i + 1, i + 2);
-  }
-  return this
-};
-
-Buffer$1.prototype.swap64 = function swap64 () {
-  var len = this.length;
-  if (len % 8 !== 0) {
-    throw new RangeError('Buffer size must be a multiple of 64-bits')
-  }
-  for (var i = 0; i < len; i += 8) {
-    swap(this, i, i + 7);
-    swap(this, i + 1, i + 6);
-    swap(this, i + 2, i + 5);
-    swap(this, i + 3, i + 4);
-  }
-  return this
-};
-
-Buffer$1.prototype.toString = function toString () {
-  var length = this.length | 0;
-  if (length === 0) return ''
-  if (arguments.length === 0) return utf8Slice(this, 0, length)
-  return slowToString.apply(this, arguments)
-};
-
-Buffer$1.prototype.equals = function equals (b) {
-  if (!internalIsBuffer(b)) throw new TypeError('Argument must be a Buffer')
-  if (this === b) return true
-  return Buffer$1.compare(this, b) === 0
-};
-
-Buffer$1.prototype.inspect = function inspect () {
-  var str = '';
-  var max = INSPECT_MAX_BYTES;
-  if (this.length > 0) {
-    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ');
-    if (this.length > max) str += ' ... ';
-  }
-  return '<Buffer ' + str + '>'
-};
-
-Buffer$1.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
-  if (!internalIsBuffer(target)) {
-    throw new TypeError('Argument must be a Buffer')
-  }
-
-  if (start === undefined) {
-    start = 0;
-  }
-  if (end === undefined) {
-    end = target ? target.length : 0;
-  }
-  if (thisStart === undefined) {
-    thisStart = 0;
-  }
-  if (thisEnd === undefined) {
-    thisEnd = this.length;
-  }
-
-  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
-    throw new RangeError('out of range index')
-  }
-
-  if (thisStart >= thisEnd && start >= end) {
-    return 0
-  }
-  if (thisStart >= thisEnd) {
-    return -1
-  }
-  if (start >= end) {
-    return 1
-  }
-
-  start >>>= 0;
-  end >>>= 0;
-  thisStart >>>= 0;
-  thisEnd >>>= 0;
-
-  if (this === target) return 0
-
-  var x = thisEnd - thisStart;
-  var y = end - start;
-  var len = Math.min(x, y);
-
-  var thisCopy = this.slice(thisStart, thisEnd);
-  var targetCopy = target.slice(start, end);
-
-  for (var i = 0; i < len; ++i) {
-    if (thisCopy[i] !== targetCopy[i]) {
-      x = thisCopy[i];
-      y = targetCopy[i];
-      break
-    }
-  }
-
-  if (x < y) return -1
-  if (y < x) return 1
-  return 0
-};
-
-// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
-// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
-//
-// Arguments:
-// - buffer - a Buffer to search
-// - val - a string, Buffer, or number
-// - byteOffset - an index into `buffer`; will be clamped to an int32
-// - encoding - an optional encoding, relevant is val is a string
-// - dir - true for indexOf, false for lastIndexOf
-function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
-  // Empty buffer means no match
-  if (buffer.length === 0) return -1
-
-  // Normalize byteOffset
-  if (typeof byteOffset === 'string') {
-    encoding = byteOffset;
-    byteOffset = 0;
-  } else if (byteOffset > 0x7fffffff) {
-    byteOffset = 0x7fffffff;
-  } else if (byteOffset < -0x80000000) {
-    byteOffset = -0x80000000;
-  }
-  byteOffset = +byteOffset;  // Coerce to Number.
-  if (isNaN(byteOffset)) {
-    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
-    byteOffset = dir ? 0 : (buffer.length - 1);
-  }
-
-  // Normalize byteOffset: negative offsets start from the end of the buffer
-  if (byteOffset < 0) byteOffset = buffer.length + byteOffset;
-  if (byteOffset >= buffer.length) {
-    if (dir) return -1
-    else byteOffset = buffer.length - 1;
-  } else if (byteOffset < 0) {
-    if (dir) byteOffset = 0;
-    else return -1
-  }
-
-  // Normalize val
-  if (typeof val === 'string') {
-    val = Buffer$1.from(val, encoding);
-  }
-
-  // Finally, search either indexOf (if dir is true) or lastIndexOf
-  if (internalIsBuffer(val)) {
-    // Special case: looking for empty string/buffer always fails
-    if (val.length === 0) {
-      return -1
-    }
-    return arrayIndexOf$1(buffer, val, byteOffset, encoding, dir)
-  } else if (typeof val === 'number') {
-    val = val & 0xFF; // Search for a byte value [0-255]
-    if (Buffer$1.TYPED_ARRAY_SUPPORT &&
-        typeof Uint8Array.prototype.indexOf === 'function') {
-      if (dir) {
-        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
-      } else {
-        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
-      }
-    }
-    return arrayIndexOf$1(buffer, [ val ], byteOffset, encoding, dir)
-  }
-
-  throw new TypeError('val must be string, number or Buffer')
-}
-
-function arrayIndexOf$1 (arr, val, byteOffset, encoding, dir) {
-  var indexSize = 1;
-  var arrLength = arr.length;
-  var valLength = val.length;
-
-  if (encoding !== undefined) {
-    encoding = String(encoding).toLowerCase();
-    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
-        encoding === 'utf16le' || encoding === 'utf-16le') {
-      if (arr.length < 2 || val.length < 2) {
-        return -1
-      }
-      indexSize = 2;
-      arrLength /= 2;
-      valLength /= 2;
-      byteOffset /= 2;
-    }
-  }
-
-  function read$$1 (buf, i) {
-    if (indexSize === 1) {
-      return buf[i]
-    } else {
-      return buf.readUInt16BE(i * indexSize)
-    }
-  }
-
-  var i;
-  if (dir) {
-    var foundIndex = -1;
-    for (i = byteOffset; i < arrLength; i++) {
-      if (read$$1(arr, i) === read$$1(val, foundIndex === -1 ? 0 : i - foundIndex)) {
-        if (foundIndex === -1) foundIndex = i;
-        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
-      } else {
-        if (foundIndex !== -1) i -= i - foundIndex;
-        foundIndex = -1;
-      }
-    }
-  } else {
-    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;
-    for (i = byteOffset; i >= 0; i--) {
-      var found = true;
-      for (var j = 0; j < valLength; j++) {
-        if (read$$1(arr, i + j) !== read$$1(val, j)) {
-          found = false;
-          break
-        }
-      }
-      if (found) return i
-    }
-  }
-
-  return -1
-}
-
-Buffer$1.prototype.includes = function includes (val, byteOffset, encoding) {
-  return this.indexOf(val, byteOffset, encoding) !== -1
-};
-
-Buffer$1.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
-  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
-};
-
-Buffer$1.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
-  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
-};
-
-function hexWrite (buf, string, offset, length) {
-  offset = Number(offset) || 0;
-  var remaining = buf.length - offset;
-  if (!length) {
-    length = remaining;
-  } else {
-    length = Number(length);
-    if (length > remaining) {
-      length = remaining;
-    }
-  }
-
-  // must be an even number of digits
-  var strLen = string.length;
-  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
-
-  if (length > strLen / 2) {
-    length = strLen / 2;
-  }
-  for (var i = 0; i < length; ++i) {
-    var parsed = parseInt(string.substr(i * 2, 2), 16);
-    if (isNaN(parsed)) return i
-    buf[offset + i] = parsed;
-  }
-  return i
-}
-
-function utf8Write (buf, string, offset, length) {
-  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
-}
-
-function asciiWrite (buf, string, offset, length) {
-  return blitBuffer(asciiToBytes(string), buf, offset, length)
-}
-
-function latin1Write (buf, string, offset, length) {
-  return asciiWrite(buf, string, offset, length)
-}
-
-function base64Write (buf, string, offset, length) {
-  return blitBuffer(base64ToBytes(string), buf, offset, length)
-}
-
-function ucs2Write (buf, string, offset, length) {
-  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
-}
-
-Buffer$1.prototype.write = function write$$1 (string, offset, length, encoding) {
-  // Buffer#write(string)
-  if (offset === undefined) {
-    encoding = 'utf8';
-    length = this.length;
-    offset = 0;
-  // Buffer#write(string, encoding)
-  } else if (length === undefined && typeof offset === 'string') {
-    encoding = offset;
-    length = this.length;
-    offset = 0;
-  // Buffer#write(string, offset[, length][, encoding])
-  } else if (isFinite(offset)) {
-    offset = offset | 0;
-    if (isFinite(length)) {
-      length = length | 0;
-      if (encoding === undefined) encoding = 'utf8';
-    } else {
-      encoding = length;
-      length = undefined;
-    }
-  // legacy write(string, encoding, offset, length) - remove in v0.13
-  } else {
-    throw new Error(
-      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
-    )
-  }
-
-  var remaining = this.length - offset;
-  if (length === undefined || length > remaining) length = remaining;
-
-  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
-    throw new RangeError('Attempt to write outside buffer bounds')
-  }
-
-  if (!encoding) encoding = 'utf8';
-
-  var loweredCase = false;
-  for (;;) {
-    switch (encoding) {
-      case 'hex':
-        return hexWrite(this, string, offset, length)
-
-      case 'utf8':
-      case 'utf-8':
-        return utf8Write(this, string, offset, length)
-
-      case 'ascii':
-        return asciiWrite(this, string, offset, length)
-
-      case 'latin1':
-      case 'binary':
-        return latin1Write(this, string, offset, length)
-
-      case 'base64':
-        // Warning: maxLength not taken into account in base64Write
-        return base64Write(this, string, offset, length)
-
-      case 'ucs2':
-      case 'ucs-2':
-      case 'utf16le':
-      case 'utf-16le':
-        return ucs2Write(this, string, offset, length)
-
-      default:
-        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
-        encoding = ('' + encoding).toLowerCase();
-        loweredCase = true;
-    }
-  }
-};
-
-Buffer$1.prototype.toJSON = function toJSON () {
-  return {
-    type: 'Buffer',
-    data: Array.prototype.slice.call(this._arr || this, 0)
-  }
-};
-
-function base64Slice (buf, start, end) {
-  if (start === 0 && end === buf.length) {
-    return fromByteArray(buf)
-  } else {
-    return fromByteArray(buf.slice(start, end))
-  }
-}
-
-function utf8Slice (buf, start, end) {
-  end = Math.min(buf.length, end);
-  var res = [];
-
-  var i = start;
-  while (i < end) {
-    var firstByte = buf[i];
-    var codePoint = null;
-    var bytesPerSequence = (firstByte > 0xEF) ? 4
-      : (firstByte > 0xDF) ? 3
-      : (firstByte > 0xBF) ? 2
-      : 1;
-
-    if (i + bytesPerSequence <= end) {
-      var secondByte, thirdByte, fourthByte, tempCodePoint;
-
-      switch (bytesPerSequence) {
-        case 1:
-          if (firstByte < 0x80) {
-            codePoint = firstByte;
-          }
-          break
-        case 2:
-          secondByte = buf[i + 1];
-          if ((secondByte & 0xC0) === 0x80) {
-            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F);
-            if (tempCodePoint > 0x7F) {
-              codePoint = tempCodePoint;
-            }
-          }
-          break
-        case 3:
-          secondByte = buf[i + 1];
-          thirdByte = buf[i + 2];
-          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
-            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F);
-            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
-              codePoint = tempCodePoint;
-            }
-          }
-          break
-        case 4:
-          secondByte = buf[i + 1];
-          thirdByte = buf[i + 2];
-          fourthByte = buf[i + 3];
-          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
-            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F);
-            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
-              codePoint = tempCodePoint;
-            }
-          }
-      }
-    }
-
-    if (codePoint === null) {
-      // we did not generate a valid codePoint so insert a
-      // replacement char (U+FFFD) and advance only 1 byte
-      codePoint = 0xFFFD;
-      bytesPerSequence = 1;
-    } else if (codePoint > 0xFFFF) {
-      // encode to utf16 (surrogate pair dance)
-      codePoint -= 0x10000;
-      res.push(codePoint >>> 10 & 0x3FF | 0xD800);
-      codePoint = 0xDC00 | codePoint & 0x3FF;
-    }
-
-    res.push(codePoint);
-    i += bytesPerSequence;
-  }
-
-  return decodeCodePointsArray(res)
-}
-
-// Based on http://stackoverflow.com/a/22747272/680742, the browser with
-// the lowest limit is Chrome, with 0x10000 args.
-// We go 1 magnitude less, for safety
-var MAX_ARGUMENTS_LENGTH = 0x1000;
-
-function decodeCodePointsArray (codePoints) {
-  var len = codePoints.length;
-  if (len <= MAX_ARGUMENTS_LENGTH) {
-    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
-  }
-
-  // Decode in chunks to avoid "call stack size exceeded".
-  var res = '';
-  var i = 0;
-  while (i < len) {
-    res += String.fromCharCode.apply(
-      String,
-      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
-    );
-  }
-  return res
-}
-
-function asciiSlice (buf, start, end) {
-  var ret = '';
-  end = Math.min(buf.length, end);
-
-  for (var i = start; i < end; ++i) {
-    ret += String.fromCharCode(buf[i] & 0x7F);
-  }
-  return ret
-}
-
-function latin1Slice (buf, start, end) {
-  var ret = '';
-  end = Math.min(buf.length, end);
-
-  for (var i = start; i < end; ++i) {
-    ret += String.fromCharCode(buf[i]);
-  }
-  return ret
-}
-
-function hexSlice (buf, start, end) {
-  var len = buf.length;
-
-  if (!start || start < 0) start = 0;
-  if (!end || end < 0 || end > len) end = len;
-
-  var out = '';
-  for (var i = start; i < end; ++i) {
-    out += toHex(buf[i]);
-  }
-  return out
-}
-
-function utf16leSlice (buf, start, end) {
-  var bytes = buf.slice(start, end);
-  var res = '';
-  for (var i = 0; i < bytes.length; i += 2) {
-    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
-  }
-  return res
-}
-
-Buffer$1.prototype.slice = function slice (start, end) {
-  var len = this.length;
-  start = ~~start;
-  end = end === undefined ? len : ~~end;
-
-  if (start < 0) {
-    start += len;
-    if (start < 0) start = 0;
-  } else if (start > len) {
-    start = len;
-  }
-
-  if (end < 0) {
-    end += len;
-    if (end < 0) end = 0;
-  } else if (end > len) {
-    end = len;
-  }
-
-  if (end < start) end = start;
-
-  var newBuf;
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    newBuf = this.subarray(start, end);
-    newBuf.__proto__ = Buffer$1.prototype;
-  } else {
-    var sliceLen = end - start;
-    newBuf = new Buffer$1(sliceLen, undefined);
-    for (var i = 0; i < sliceLen; ++i) {
-      newBuf[i] = this[i + start];
-    }
-  }
-
-  return newBuf
-};
-
-/*
- * Need to make sure that buffer isn't trying to write out of bounds.
- */
-function checkOffset (offset, ext, length) {
-  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
-  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
-}
-
-Buffer$1.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
-  offset = offset | 0;
-  byteLength = byteLength | 0;
-  if (!noAssert) checkOffset(offset, byteLength, this.length);
-
-  var val = this[offset];
-  var mul = 1;
-  var i = 0;
-  while (++i < byteLength && (mul *= 0x100)) {
-    val += this[offset + i] * mul;
-  }
-
-  return val
-};
-
-Buffer$1.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
-  offset = offset | 0;
-  byteLength = byteLength | 0;
-  if (!noAssert) {
-    checkOffset(offset, byteLength, this.length);
-  }
-
-  var val = this[offset + --byteLength];
-  var mul = 1;
-  while (byteLength > 0 && (mul *= 0x100)) {
-    val += this[offset + --byteLength] * mul;
-  }
-
-  return val
-};
-
-Buffer$1.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 1, this.length);
-  return this[offset]
-};
-
-Buffer$1.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length);
-  return this[offset] | (this[offset + 1] << 8)
-};
-
-Buffer$1.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length);
-  return (this[offset] << 8) | this[offset + 1]
-};
-
-Buffer$1.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length);
-
-  return ((this[offset]) |
-      (this[offset + 1] << 8) |
-      (this[offset + 2] << 16)) +
-      (this[offset + 3] * 0x1000000)
-};
-
-Buffer$1.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length);
-
-  return (this[offset] * 0x1000000) +
-    ((this[offset + 1] << 16) |
-    (this[offset + 2] << 8) |
-    this[offset + 3])
-};
-
-Buffer$1.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
-  offset = offset | 0;
-  byteLength = byteLength | 0;
-  if (!noAssert) checkOffset(offset, byteLength, this.length);
-
-  var val = this[offset];
-  var mul = 1;
-  var i = 0;
-  while (++i < byteLength && (mul *= 0x100)) {
-    val += this[offset + i] * mul;
-  }
-  mul *= 0x80;
-
-  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
-
-  return val
-};
-
-Buffer$1.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
-  offset = offset | 0;
-  byteLength = byteLength | 0;
-  if (!noAssert) checkOffset(offset, byteLength, this.length);
-
-  var i = byteLength;
-  var mul = 1;
-  var val = this[offset + --i];
-  while (i > 0 && (mul *= 0x100)) {
-    val += this[offset + --i] * mul;
-  }
-  mul *= 0x80;
-
-  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
-
-  return val
-};
-
-Buffer$1.prototype.readInt8 = function readInt8 (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 1, this.length);
-  if (!(this[offset] & 0x80)) return (this[offset])
-  return ((0xff - this[offset] + 1) * -1)
-};
-
-Buffer$1.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length);
-  var val = this[offset] | (this[offset + 1] << 8);
-  return (val & 0x8000) ? val | 0xFFFF0000 : val
-};
-
-Buffer$1.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length);
-  var val = this[offset + 1] | (this[offset] << 8);
-  return (val & 0x8000) ? val | 0xFFFF0000 : val
-};
-
-Buffer$1.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length);
-
-  return (this[offset]) |
-    (this[offset + 1] << 8) |
-    (this[offset + 2] << 16) |
-    (this[offset + 3] << 24)
-};
-
-Buffer$1.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length);
-
-  return (this[offset] << 24) |
-    (this[offset + 1] << 16) |
-    (this[offset + 2] << 8) |
-    (this[offset + 3])
-};
-
-Buffer$1.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length);
-  return read(this, offset, true, 23, 4)
-};
-
-Buffer$1.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length);
-  return read(this, offset, false, 23, 4)
-};
-
-Buffer$1.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 8, this.length);
-  return read(this, offset, true, 52, 8)
-};
-
-Buffer$1.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 8, this.length);
-  return read(this, offset, false, 52, 8)
-};
-
-function checkInt (buf, value, offset, ext, max, min) {
-  if (!internalIsBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
-  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
-  if (offset + ext > buf.length) throw new RangeError('Index out of range')
-}
-
-Buffer$1.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  byteLength = byteLength | 0;
-  if (!noAssert) {
-    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
-    checkInt(this, value, offset, byteLength, maxBytes, 0);
-  }
-
-  var mul = 1;
-  var i = 0;
-  this[offset] = value & 0xFF;
-  while (++i < byteLength && (mul *= 0x100)) {
-    this[offset + i] = (value / mul) & 0xFF;
-  }
-
-  return offset + byteLength
-};
-
-Buffer$1.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  byteLength = byteLength | 0;
-  if (!noAssert) {
-    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
-    checkInt(this, value, offset, byteLength, maxBytes, 0);
-  }
-
-  var i = byteLength - 1;
-  var mul = 1;
-  this[offset + i] = value & 0xFF;
-  while (--i >= 0 && (mul *= 0x100)) {
-    this[offset + i] = (value / mul) & 0xFF;
-  }
-
-  return offset + byteLength
-};
-
-Buffer$1.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0);
-  if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
-  this[offset] = (value & 0xff);
-  return offset + 1
-};
-
-function objectWriteUInt16 (buf, value, offset, littleEndian) {
-  if (value < 0) value = 0xffff + value + 1;
-  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
-    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
-      (littleEndian ? i : 1 - i) * 8;
-  }
-}
-
-Buffer$1.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff);
-    this[offset + 1] = (value >>> 8);
-  } else {
-    objectWriteUInt16(this, value, offset, true);
-  }
-  return offset + 2
-};
-
-Buffer$1.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 8);
-    this[offset + 1] = (value & 0xff);
-  } else {
-    objectWriteUInt16(this, value, offset, false);
-  }
-  return offset + 2
-};
-
-function objectWriteUInt32 (buf, value, offset, littleEndian) {
-  if (value < 0) value = 0xffffffff + value + 1;
-  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
-    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff;
-  }
-}
-
-Buffer$1.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    this[offset + 3] = (value >>> 24);
-    this[offset + 2] = (value >>> 16);
-    this[offset + 1] = (value >>> 8);
-    this[offset] = (value & 0xff);
-  } else {
-    objectWriteUInt32(this, value, offset, true);
-  }
-  return offset + 4
-};
-
-Buffer$1.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 24);
-    this[offset + 1] = (value >>> 16);
-    this[offset + 2] = (value >>> 8);
-    this[offset + 3] = (value & 0xff);
-  } else {
-    objectWriteUInt32(this, value, offset, false);
-  }
-  return offset + 4
-};
-
-Buffer$1.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) {
-    var limit = Math.pow(2, 8 * byteLength - 1);
-
-    checkInt(this, value, offset, byteLength, limit - 1, -limit);
-  }
-
-  var i = 0;
-  var mul = 1;
-  var sub = 0;
-  this[offset] = value & 0xFF;
-  while (++i < byteLength && (mul *= 0x100)) {
-    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
-      sub = 1;
-    }
-    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF;
-  }
-
-  return offset + byteLength
-};
-
-Buffer$1.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) {
-    var limit = Math.pow(2, 8 * byteLength - 1);
-
-    checkInt(this, value, offset, byteLength, limit - 1, -limit);
-  }
-
-  var i = byteLength - 1;
-  var mul = 1;
-  var sub = 0;
-  this[offset + i] = value & 0xFF;
-  while (--i >= 0 && (mul *= 0x100)) {
-    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
-      sub = 1;
-    }
-    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF;
-  }
-
-  return offset + byteLength
-};
-
-Buffer$1.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80);
-  if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
-  if (value < 0) value = 0xff + value + 1;
-  this[offset] = (value & 0xff);
-  return offset + 1
-};
-
-Buffer$1.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff);
-    this[offset + 1] = (value >>> 8);
-  } else {
-    objectWriteUInt16(this, value, offset, true);
-  }
-  return offset + 2
-};
-
-Buffer$1.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 8);
-    this[offset + 1] = (value & 0xff);
-  } else {
-    objectWriteUInt16(this, value, offset, false);
-  }
-  return offset + 2
-};
-
-Buffer$1.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff);
-    this[offset + 1] = (value >>> 8);
-    this[offset + 2] = (value >>> 16);
-    this[offset + 3] = (value >>> 24);
-  } else {
-    objectWriteUInt32(this, value, offset, true);
-  }
-  return offset + 4
-};
-
-Buffer$1.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
-  value = +value;
-  offset = offset | 0;
-  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
-  if (value < 0) value = 0xffffffff + value + 1;
-  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 24);
-    this[offset + 1] = (value >>> 16);
-    this[offset + 2] = (value >>> 8);
-    this[offset + 3] = (value & 0xff);
-  } else {
-    objectWriteUInt32(this, value, offset, false);
-  }
-  return offset + 4
-};
-
-function checkIEEE754 (buf, value, offset, ext, max, min) {
-  if (offset + ext > buf.length) throw new RangeError('Index out of range')
-  if (offset < 0) throw new RangeError('Index out of range')
-}
-
-function writeFloat (buf, value, offset, littleEndian, noAssert) {
-  if (!noAssert) {
-    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38);
-  }
-  write(buf, value, offset, littleEndian, 23, 4);
-  return offset + 4
-}
-
-Buffer$1.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
-  return writeFloat(this, value, offset, true, noAssert)
-};
-
-Buffer$1.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
-  return writeFloat(this, value, offset, false, noAssert)
-};
-
-function writeDouble (buf, value, offset, littleEndian, noAssert) {
-  if (!noAssert) {
-    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308);
-  }
-  write(buf, value, offset, littleEndian, 52, 8);
-  return offset + 8
-}
-
-Buffer$1.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
-  return writeDouble(this, value, offset, true, noAssert)
-};
-
-Buffer$1.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
-  return writeDouble(this, value, offset, false, noAssert)
-};
-
-// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
-Buffer$1.prototype.copy = function copy (target, targetStart, start, end) {
-  if (!start) start = 0;
-  if (!end && end !== 0) end = this.length;
-  if (targetStart >= target.length) targetStart = target.length;
-  if (!targetStart) targetStart = 0;
-  if (end > 0 && end < start) end = start;
-
-  // Copy 0 bytes; we're done
-  if (end === start) return 0
-  if (target.length === 0 || this.length === 0) return 0
-
-  // Fatal error conditions
-  if (targetStart < 0) {
-    throw new RangeError('targetStart out of bounds')
-  }
-  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
-  if (end < 0) throw new RangeError('sourceEnd out of bounds')
-
-  // Are we oob?
-  if (end > this.length) end = this.length;
-  if (target.length - targetStart < end - start) {
-    end = target.length - targetStart + start;
-  }
-
-  var len = end - start;
-  var i;
-
-  if (this === target && start < targetStart && targetStart < end) {
-    // descending copy from end
-    for (i = len - 1; i >= 0; --i) {
-      target[i + targetStart] = this[i + start];
-    }
-  } else if (len < 1000 || !Buffer$1.TYPED_ARRAY_SUPPORT) {
-    // ascending copy from start
-    for (i = 0; i < len; ++i) {
-      target[i + targetStart] = this[i + start];
-    }
-  } else {
-    Uint8Array.prototype.set.call(
-      target,
-      this.subarray(start, start + len),
-      targetStart
-    );
-  }
-
-  return len
-};
-
-// Usage:
-//    buffer.fill(number[, offset[, end]])
-//    buffer.fill(buffer[, offset[, end]])
-//    buffer.fill(string[, offset[, end]][, encoding])
-Buffer$1.prototype.fill = function fill (val, start, end, encoding) {
-  // Handle string cases:
-  if (typeof val === 'string') {
-    if (typeof start === 'string') {
-      encoding = start;
-      start = 0;
-      end = this.length;
-    } else if (typeof end === 'string') {
-      encoding = end;
-      end = this.length;
-    }
-    if (val.length === 1) {
-      var code = val.charCodeAt(0);
-      if (code < 256) {
-        val = code;
-      }
-    }
-    if (encoding !== undefined && typeof encoding !== 'string') {
-      throw new TypeError('encoding must be a string')
-    }
-    if (typeof encoding === 'string' && !Buffer$1.isEncoding(encoding)) {
-      throw new TypeError('Unknown encoding: ' + encoding)
-    }
-  } else if (typeof val === 'number') {
-    val = val & 255;
-  }
-
-  // Invalid ranges are not set to a default, so can range check early.
-  if (start < 0 || this.length < start || this.length < end) {
-    throw new RangeError('Out of range index')
-  }
-
-  if (end <= start) {
-    return this
-  }
-
-  start = start >>> 0;
-  end = end === undefined ? this.length : end >>> 0;
-
-  if (!val) val = 0;
-
-  var i;
-  if (typeof val === 'number') {
-    for (i = start; i < end; ++i) {
-      this[i] = val;
-    }
-  } else {
-    var bytes = internalIsBuffer(val)
-      ? val
-      : utf8ToBytes(new Buffer$1(val, encoding).toString());
-    var len = bytes.length;
-    for (i = 0; i < end - start; ++i) {
-      this[i + start] = bytes[i % len];
-    }
-  }
-
-  return this
-};
-
-// HELPER FUNCTIONS
-// ================
-
-var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g;
-
-function base64clean (str) {
-  // Node strips out invalid characters like \n and \t from the string, base64-js does not
-  str = stringtrim(str).replace(INVALID_BASE64_RE, '');
-  // Node converts strings with length < 2 to ''
-  if (str.length < 2) return ''
-  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
-  while (str.length % 4 !== 0) {
-    str = str + '=';
-  }
-  return str
-}
-
-function stringtrim (str) {
-  if (str.trim) return str.trim()
-  return str.replace(/^\s+|\s+$/g, '')
-}
-
-function toHex (n) {
-  if (n < 16) return '0' + n.toString(16)
-  return n.toString(16)
-}
-
-function utf8ToBytes (string, units) {
-  units = units || Infinity;
-  var codePoint;
-  var length = string.length;
-  var leadSurrogate = null;
-  var bytes = [];
-
-  for (var i = 0; i < length; ++i) {
-    codePoint = string.charCodeAt(i);
-
-    // is surrogate component
-    if (codePoint > 0xD7FF && codePoint < 0xE000) {
-      // last char was a lead
-      if (!leadSurrogate) {
-        // no lead yet
-        if (codePoint > 0xDBFF) {
-          // unexpected trail
-          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
-          continue
-        } else if (i + 1 === length) {
-          // unpaired lead
-          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
-          continue
-        }
-
-        // valid lead
-        leadSurrogate = codePoint;
-
-        continue
-      }
-
-      // 2 leads in a row
-      if (codePoint < 0xDC00) {
-        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
-        leadSurrogate = codePoint;
-        continue
-      }
-
-      // valid surrogate pair
-      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
-    } else if (leadSurrogate) {
-      // valid bmp char, but last char was a lead
-      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
-    }
-
-    leadSurrogate = null;
-
-    // encode utf8
-    if (codePoint < 0x80) {
-      if ((units -= 1) < 0) break
-      bytes.push(codePoint);
-    } else if (codePoint < 0x800) {
-      if ((units -= 2) < 0) break
-      bytes.push(
-        codePoint >> 0x6 | 0xC0,
-        codePoint & 0x3F | 0x80
-      );
-    } else if (codePoint < 0x10000) {
-      if ((units -= 3) < 0) break
-      bytes.push(
-        codePoint >> 0xC | 0xE0,
-        codePoint >> 0x6 & 0x3F | 0x80,
-        codePoint & 0x3F | 0x80
-      );
-    } else if (codePoint < 0x110000) {
-      if ((units -= 4) < 0) break
-      bytes.push(
-        codePoint >> 0x12 | 0xF0,
-        codePoint >> 0xC & 0x3F | 0x80,
-        codePoint >> 0x6 & 0x3F | 0x80,
-        codePoint & 0x3F | 0x80
-      );
-    } else {
-      throw new Error('Invalid code point')
-    }
-  }
-
-  return bytes
-}
-
-function asciiToBytes (str) {
-  var byteArray = [];
-  for (var i = 0; i < str.length; ++i) {
-    // Node's code seems to be doing this and not & 0x7F..
-    byteArray.push(str.charCodeAt(i) & 0xFF);
-  }
-  return byteArray
-}
-
-function utf16leToBytes (str, units) {
-  var c, hi, lo;
-  var byteArray = [];
-  for (var i = 0; i < str.length; ++i) {
-    if ((units -= 2) < 0) break
-
-    c = str.charCodeAt(i);
-    hi = c >> 8;
-    lo = c % 256;
-    byteArray.push(lo);
-    byteArray.push(hi);
-  }
-
-  return byteArray
-}
-
-
-function base64ToBytes (str) {
-  return toByteArray(base64clean(str))
-}
-
-function blitBuffer (src, dst, offset, length) {
-  for (var i = 0; i < length; ++i) {
-    if ((i + offset >= dst.length) || (i >= src.length)) break
-    dst[i + offset] = src[i];
-  }
-  return i
-}
-
-function isnan (val) {
-  return val !== val // eslint-disable-line no-self-compare
-}
-
-
-// the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence
-// The _isBuffer check is for Safari 5-7 support, because it's missing
-// Object.prototype.constructor. Remove this eventually
-function isBuffer(obj) {
-  return obj != null && (!!obj._isBuffer || isFastBuffer(obj) || isSlowBuffer(obj))
-}
-
-function isFastBuffer (obj) {
-  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
-}
-
-// For Node v0.10 support. Remove this eventually.
-function isSlowBuffer (obj) {
-  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer(obj.slice(0, 0))
-}
-
-
-var bufferEs6 = Object.freeze({
-	INSPECT_MAX_BYTES: INSPECT_MAX_BYTES,
-	kMaxLength: _kMaxLength,
-	Buffer: Buffer$1,
-	SlowBuffer: SlowBuffer,
-	isBuffer: isBuffer
-});
-
-var require$$0$32 = ( bufferEs6 && undefined ) || bufferEs6;
-
-var bn$1 = createCommonjsModule(function (module) {
-(function (module, exports) {
-  'use strict';
-
-  // Utils
-  function assert (val, msg) {
-    if (!val) throw new Error(msg || 'Assertion failed');
-  }
-
-  // Could use `inherits` module, but don't want to move from single file
-  // architecture yet.
-  function inherits (ctor, superCtor) {
-    ctor.super_ = superCtor;
-    var TempCtor = function () {};
-    TempCtor.prototype = superCtor.prototype;
-    ctor.prototype = new TempCtor();
-    ctor.prototype.constructor = ctor;
-  }
-
-  // BN
-
-  function BN (number, base, endian) {
-    if (BN.isBN(number)) {
-      return number;
-    }
-
-    this.negative = 0;
-    this.words = null;
-    this.length = 0;
-
-    // Reduction context
-    this.red = null;
-
-    if (number !== null) {
-      if (base === 'le' || base === 'be') {
-        endian = base;
-        base = 10;
-      }
-
-      this._init(number || 0, base || 10, endian || 'be');
-    }
-  }
-  if (typeof module === 'object') {
-    module.exports = BN;
-  } else {
-    exports.BN = BN;
-  }
-
-  BN.BN = BN;
-  BN.wordSize = 26;
-
-  var Buffer;
-  try {
-    Buffer = require$$0$32.Buffer;
-  } catch (e) {
-  }
-
-  BN.isBN = function isBN (num) {
-    if (num instanceof BN) {
-      return true;
-    }
-
-    return num !== null && typeof num === 'object' &&
-      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
-  };
-
-  BN.max = function max (left, right) {
-    if (left.cmp(right) > 0) return left;
-    return right;
-  };
-
-  BN.min = function min (left, right) {
-    if (left.cmp(right) < 0) return left;
-    return right;
-  };
-
-  BN.prototype._init = function init (number, base, endian) {
-    if (typeof number === 'number') {
-      return this._initNumber(number, base, endian);
-    }
-
-    if (typeof number === 'object') {
-      return this._initArray(number, base, endian);
-    }
-
-    if (base === 'hex') {
-      base = 16;
-    }
-    assert(base === (base | 0) && base >= 2 && base <= 36);
-
-    number = number.toString().replace(/\s+/g, '');
-    var start = 0;
-    if (number[0] === '-') {
-      start++;
-    }
-
-    if (base === 16) {
-      this._parseHex(number, start);
-    } else {
-      this._parseBase(number, base, start);
-    }
-
-    if (number[0] === '-') {
-      this.negative = 1;
-    }
-
-    this.strip();
-
-    if (endian !== 'le') return;
-
-    this._initArray(this.toArray(), base, endian);
-  };
-
-  BN.prototype._initNumber = function _initNumber (number, base, endian) {
-    if (number < 0) {
-      this.negative = 1;
-      number = -number;
-    }
-    if (number < 0x4000000) {
-      this.words = [ number & 0x3ffffff ];
-      this.length = 1;
-    } else if (number < 0x10000000000000) {
-      this.words = [
-        number & 0x3ffffff,
-        (number / 0x4000000) & 0x3ffffff
-      ];
-      this.length = 2;
-    } else {
-      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
-      this.words = [
-        number & 0x3ffffff,
-        (number / 0x4000000) & 0x3ffffff,
-        1
-      ];
-      this.length = 3;
-    }
-
-    if (endian !== 'le') return;
-
-    // Reverse the bytes
-    this._initArray(this.toArray(), base, endian);
-  };
-
-  BN.prototype._initArray = function _initArray (number, base, endian) {
-    // Perhaps a Uint8Array
-    assert(typeof number.length === 'number');
-    if (number.length <= 0) {
-      this.words = [ 0 ];
-      this.length = 1;
-      return this;
-    }
-
-    this.length = Math.ceil(number.length / 3);
-    this.words = new Array(this.length);
-    for (var i = 0; i < this.length; i++) {
-      this.words[i] = 0;
-    }
-
-    var j, w;
-    var off = 0;
-    if (endian === 'be') {
-      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
-        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
-        this.words[j] |= (w << off) & 0x3ffffff;
-        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
-        off += 24;
-        if (off >= 26) {
-          off -= 26;
-          j++;
-        }
-      }
-    } else if (endian === 'le') {
-      for (i = 0, j = 0; i < number.length; i += 3) {
-        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
-        this.words[j] |= (w << off) & 0x3ffffff;
-        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
-        off += 24;
-        if (off >= 26) {
-          off -= 26;
-          j++;
-        }
-      }
-    }
-    return this.strip();
-  };
-
-  function parseHex (str, start, end) {
-    var r = 0;
-    var len = Math.min(str.length, end);
-    for (var i = start; i < len; i++) {
-      var c = str.charCodeAt(i) - 48;
-
-      r <<= 4;
-
-      // 'a' - 'f'
-      if (c >= 49 && c <= 54) {
-        r |= c - 49 + 0xa;
-
-      // 'A' - 'F'
-      } else if (c >= 17 && c <= 22) {
-        r |= c - 17 + 0xa;
-
-      // '0' - '9'
-      } else {
-        r |= c & 0xf;
-      }
-    }
-    return r;
-  }
-
-  BN.prototype._parseHex = function _parseHex (number, start) {
-    // Create possibly bigger array to ensure that it fits the number
-    this.length = Math.ceil((number.length - start) / 6);
-    this.words = new Array(this.length);
-    for (var i = 0; i < this.length; i++) {
-      this.words[i] = 0;
-    }
-
-    var j, w;
-    // Scan 24-bit chunks and add them to the number
-    var off = 0;
-    for (i = number.length - 6, j = 0; i >= start; i -= 6) {
-      w = parseHex(number, i, i + 6);
-      this.words[j] |= (w << off) & 0x3ffffff;
-      // NOTE: `0x3fffff` is intentional here, 26bits max shift + 24bit hex limb
-      this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
-      off += 24;
-      if (off >= 26) {
-        off -= 26;
-        j++;
-      }
-    }
-    if (i + 6 !== start) {
-      w = parseHex(number, start, i + 6);
-      this.words[j] |= (w << off) & 0x3ffffff;
-      this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
-    }
-    this.strip();
-  };
-
-  function parseBase (str, start, end, mul) {
-    var r = 0;
-    var len = Math.min(str.length, end);
-    for (var i = start; i < len; i++) {
-      var c = str.charCodeAt(i) - 48;
-
-      r *= mul;
-
-      // 'a'
-      if (c >= 49) {
-        r += c - 49 + 0xa;
-
-      // 'A'
-      } else if (c >= 17) {
-        r += c - 17 + 0xa;
-
-      // '0' - '9'
-      } else {
-        r += c;
-      }
-    }
-    return r;
-  }
-
-  BN.prototype._parseBase = function _parseBase (number, base, start) {
-    // Initialize as zero
-    this.words = [ 0 ];
-    this.length = 1;
-
-    // Find length of limb in base
-    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
-      limbLen++;
-    }
-    limbLen--;
-    limbPow = (limbPow / base) | 0;
-
-    var total = number.length - start;
-    var mod = total % limbLen;
-    var end = Math.min(total, total - mod) + start;
-
-    var word = 0;
-    for (var i = start; i < end; i += limbLen) {
-      word = parseBase(number, i, i + limbLen, base);
-
-      this.imuln(limbPow);
-      if (this.words[0] + word < 0x4000000) {
-        this.words[0] += word;
-      } else {
-        this._iaddn(word);
-      }
-    }
-
-    if (mod !== 0) {
-      var pow = 1;
-      word = parseBase(number, i, number.length, base);
-
-      for (i = 0; i < mod; i++) {
-        pow *= base;
-      }
-
-      this.imuln(pow);
-      if (this.words[0] + word < 0x4000000) {
-        this.words[0] += word;
-      } else {
-        this._iaddn(word);
-      }
-    }
-  };
-
-  BN.prototype.copy = function copy (dest) {
-    dest.words = new Array(this.length);
-    for (var i = 0; i < this.length; i++) {
-      dest.words[i] = this.words[i];
-    }
-    dest.length = this.length;
-    dest.negative = this.negative;
-    dest.red = this.red;
-  };
-
-  BN.prototype.clone = function clone () {
-    var r = new BN(null);
-    this.copy(r);
-    return r;
-  };
-
-  BN.prototype._expand = function _expand (size) {
-    while (this.length < size) {
-      this.words[this.length++] = 0;
-    }
-    return this;
-  };
-
-  // Remove leading `0` from `this`
-  BN.prototype.strip = function strip () {
-    while (this.length > 1 && this.words[this.length - 1] === 0) {
-      this.length--;
-    }
-    return this._normSign();
-  };
-
-  BN.prototype._normSign = function _normSign () {
-    // -0 = 0
-    if (this.length === 1 && this.words[0] === 0) {
-      this.negative = 0;
-    }
-    return this;
-  };
-
-  BN.prototype.inspect = function inspect () {
-    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
-  };
-
-  /*
-
-  var zeros = [];
-  var groupSizes = [];
-  var groupBases = [];
-
-  var s = '';
-  var i = -1;
-  while (++i < BN.wordSize) {
-    zeros[i] = s;
-    s += '0';
-  }
-  groupSizes[0] = 0;
-  groupSizes[1] = 0;
-  groupBases[0] = 0;
-  groupBases[1] = 0;
-  var base = 2 - 1;
-  while (++base < 36 + 1) {
-    var groupSize = 0;
-    var groupBase = 1;
-    while (groupBase < (1 << BN.wordSize) / base) {
-      groupBase *= base;
-      groupSize += 1;
-    }
-    groupSizes[base] = groupSize;
-    groupBases[base] = groupBase;
-  }
-
-  */
-
-  var zeros = [
-    '',
-    '0',
-    '00',
-    '000',
-    '0000',
-    '00000',
-    '000000',
-    '0000000',
-    '00000000',
-    '000000000',
-    '0000000000',
-    '00000000000',
-    '000000000000',
-    '0000000000000',
-    '00000000000000',
-    '000000000000000',
-    '0000000000000000',
-    '00000000000000000',
-    '000000000000000000',
-    '0000000000000000000',
-    '00000000000000000000',
-    '000000000000000000000',
-    '0000000000000000000000',
-    '00000000000000000000000',
-    '000000000000000000000000',
-    '0000000000000000000000000'
-  ];
-
-  var groupSizes = [
-    0, 0,
-    25, 16, 12, 11, 10, 9, 8,
-    8, 7, 7, 7, 7, 6, 6,
-    6, 6, 6, 6, 6, 5, 5,
-    5, 5, 5, 5, 5, 5, 5,
-    5, 5, 5, 5, 5, 5, 5
-  ];
-
-  var groupBases = [
-    0, 0,
-    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
-    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
-    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
-    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
-    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
-  ];
-
-  BN.prototype.toString = function toString (base, padding) {
-    base = base || 10;
-    padding = padding | 0 || 1;
-
-    var out;
-    if (base === 16 || base === 'hex') {
-      out = '';
-      var off = 0;
-      var carry = 0;
-      for (var i = 0; i < this.length; i++) {
-        var w = this.words[i];
-        var word = (((w << off) | carry) & 0xffffff).toString(16);
-        carry = (w >>> (24 - off)) & 0xffffff;
-        if (carry !== 0 || i !== this.length - 1) {
-          out = zeros[6 - word.length] + word + out;
-        } else {
-          out = word + out;
-        }
-        off += 2;
-        if (off >= 26) {
-          off -= 26;
-          i--;
-        }
-      }
-      if (carry !== 0) {
-        out = carry.toString(16) + out;
-      }
-      while (out.length % padding !== 0) {
-        out = '0' + out;
-      }
-      if (this.negative !== 0) {
-        out = '-' + out;
-      }
-      return out;
-    }
-
-    if (base === (base | 0) && base >= 2 && base <= 36) {
-      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
-      var groupSize = groupSizes[base];
-      // var groupBase = Math.pow(base, groupSize);
-      var groupBase = groupBases[base];
-      out = '';
-      var c = this.clone();
-      c.negative = 0;
-      while (!c.isZero()) {
-        var r = c.modn(groupBase).toString(base);
-        c = c.idivn(groupBase);
-
-        if (!c.isZero()) {
-          out = zeros[groupSize - r.length] + r + out;
-        } else {
-          out = r + out;
-        }
-      }
-      if (this.isZero()) {
-        out = '0' + out;
-      }
-      while (out.length % padding !== 0) {
-        out = '0' + out;
-      }
-      if (this.negative !== 0) {
-        out = '-' + out;
-      }
-      return out;
-    }
-
-    assert(false, 'Base should be between 2 and 36');
-  };
-
-  BN.prototype.toNumber = function toNumber () {
-    var ret = this.words[0];
-    if (this.length === 2) {
-      ret += this.words[1] * 0x4000000;
-    } else if (this.length === 3 && this.words[2] === 0x01) {
-      // NOTE: at this stage it is known that the top bit is set
-      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
-    } else if (this.length > 2) {
-      assert(false, 'Number can only safely store up to 53 bits');
-    }
-    return (this.negative !== 0) ? -ret : ret;
-  };
-
-  BN.prototype.toJSON = function toJSON () {
-    return this.toString(16);
-  };
-
-  BN.prototype.toBuffer = function toBuffer (endian, length) {
-    assert(typeof Buffer !== 'undefined');
-    return this.toArrayLike(Buffer, endian, length);
-  };
-
-  BN.prototype.toArray = function toArray (endian, length) {
-    return this.toArrayLike(Array, endian, length);
-  };
-
-  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
-    var byteLength = this.byteLength();
-    var reqLength = length || Math.max(1, byteLength);
-    assert(byteLength <= reqLength, 'byte array longer than desired length');
-    assert(reqLength > 0, 'Requested array length <= 0');
-
-    this.strip();
-    var littleEndian = endian === 'le';
-    var res = new ArrayType(reqLength);
-
-    var b, i;
-    var q = this.clone();
-    if (!littleEndian) {
-      // Assume big-endian
-      for (i = 0; i < reqLength - byteLength; i++) {
-        res[i] = 0;
-      }
-
-      for (i = 0; !q.isZero(); i++) {
-        b = q.andln(0xff);
-        q.iushrn(8);
-
-        res[reqLength - i - 1] = b;
-      }
-    } else {
-      for (i = 0; !q.isZero(); i++) {
-        b = q.andln(0xff);
-        q.iushrn(8);
-
-        res[i] = b;
-      }
-
-      for (; i < reqLength; i++) {
-        res[i] = 0;
-      }
-    }
-
-    return res;
-  };
-
-  if (Math.clz32) {
-    BN.prototype._countBits = function _countBits (w) {
-      return 32 - Math.clz32(w);
-    };
-  } else {
-    BN.prototype._countBits = function _countBits (w) {
-      var t = w;
-      var r = 0;
-      if (t >= 0x1000) {
-        r += 13;
-        t >>>= 13;
-      }
-      if (t >= 0x40) {
-        r += 7;
-        t >>>= 7;
-      }
-      if (t >= 0x8) {
-        r += 4;
-        t >>>= 4;
-      }
-      if (t >= 0x02) {
-        r += 2;
-        t >>>= 2;
-      }
-      return r + t;
-    };
-  }
-
-  BN.prototype._zeroBits = function _zeroBits (w) {
-    // Short-cut
-    if (w === 0) return 26;
-
-    var t = w;
-    var r = 0;
-    if ((t & 0x1fff) === 0) {
-      r += 13;
-      t >>>= 13;
-    }
-    if ((t & 0x7f) === 0) {
-      r += 7;
-      t >>>= 7;
-    }
-    if ((t & 0xf) === 0) {
-      r += 4;
-      t >>>= 4;
-    }
-    if ((t & 0x3) === 0) {
-      r += 2;
-      t >>>= 2;
-    }
-    if ((t & 0x1) === 0) {
-      r++;
-    }
-    return r;
-  };
-
-  // Return number of used bits in a BN
-  BN.prototype.bitLength = function bitLength () {
-    var w = this.words[this.length - 1];
-    var hi = this._countBits(w);
-    return (this.length - 1) * 26 + hi;
-  };
-
-  function toBitArray (num) {
-    var w = new Array(num.bitLength());
-
-    for (var bit = 0; bit < w.length; bit++) {
-      var off = (bit / 26) | 0;
-      var wbit = bit % 26;
-
-      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
-    }
-
-    return w;
-  }
-
-  // Number of trailing zero bits
-  BN.prototype.zeroBits = function zeroBits () {
-    if (this.isZero()) return 0;
-
-    var r = 0;
-    for (var i = 0; i < this.length; i++) {
-      var b = this._zeroBits(this.words[i]);
-      r += b;
-      if (b !== 26) break;
-    }
-    return r;
-  };
-
-  BN.prototype.byteLength = function byteLength () {
-    return Math.ceil(this.bitLength() / 8);
-  };
-
-  BN.prototype.toTwos = function toTwos (width) {
-    if (this.negative !== 0) {
-      return this.abs().inotn(width).iaddn(1);
-    }
-    return this.clone();
-  };
-
-  BN.prototype.fromTwos = function fromTwos (width) {
-    if (this.testn(width - 1)) {
-      return this.notn(width).iaddn(1).ineg();
-    }
-    return this.clone();
-  };
-
-  BN.prototype.isNeg = function isNeg () {
-    return this.negative !== 0;
-  };
-
-  // Return negative clone of `this`
-  BN.prototype.neg = function neg () {
-    return this.clone().ineg();
-  };
-
-  BN.prototype.ineg = function ineg () {
-    if (!this.isZero()) {
-      this.negative ^= 1;
-    }
-
-    return this;
-  };
-
-  // Or `num` with `this` in-place
-  BN.prototype.iuor = function iuor (num) {
-    while (this.length < num.length) {
-      this.words[this.length++] = 0;
-    }
-
-    for (var i = 0; i < num.length; i++) {
-      this.words[i] = this.words[i] | num.words[i];
-    }
-
-    return this.strip();
-  };
-
-  BN.prototype.ior = function ior (num) {
-    assert((this.negative | num.negative) === 0);
-    return this.iuor(num);
-  };
-
-  // Or `num` with `this`
-  BN.prototype.or = function or (num) {
-    if (this.length > num.length) return this.clone().ior(num);
-    return num.clone().ior(this);
-  };
-
-  BN.prototype.uor = function uor (num) {
-    if (this.length > num.length) return this.clone().iuor(num);
-    return num.clone().iuor(this);
-  };
-
-  // And `num` with `this` in-place
-  BN.prototype.iuand = function iuand (num) {
-    // b = min-length(num, this)
-    var b;
-    if (this.length > num.length) {
-      b = num;
-    } else {
-      b = this;
-    }
-
-    for (var i = 0; i < b.length; i++) {
-      this.words[i] = this.words[i] & num.words[i];
-    }
-
-    this.length = b.length;
-
-    return this.strip();
-  };
-
-  BN.prototype.iand = function iand (num) {
-    assert((this.negative | num.negative) === 0);
-    return this.iuand(num);
-  };
-
-  // And `num` with `this`
-  BN.prototype.and = function and (num) {
-    if (this.length > num.length) return this.clone().iand(num);
-    return num.clone().iand(this);
-  };
-
-  BN.prototype.uand = function uand (num) {
-    if (this.length > num.length) return this.clone().iuand(num);
-    return num.clone().iuand(this);
-  };
-
-  // Xor `num` with `this` in-place
-  BN.prototype.iuxor = function iuxor (num) {
-    // a.length > b.length
-    var a;
-    var b;
-    if (this.length > num.length) {
-      a = this;
-      b = num;
-    } else {
-      a = num;
-      b = this;
-    }
-
-    for (var i = 0; i < b.length; i++) {
-      this.words[i] = a.words[i] ^ b.words[i];
-    }
-
-    if (this !== a) {
-      for (; i < a.length; i++) {
-        this.words[i] = a.words[i];
-      }
-    }
-
-    this.length = a.length;
-
-    return this.strip();
-  };
-
-  BN.prototype.ixor = function ixor (num) {
-    assert((this.negative | num.negative) === 0);
-    return this.iuxor(num);
-  };
-
-  // Xor `num` with `this`
-  BN.prototype.xor = function xor (num) {
-    if (this.length > num.length) return this.clone().ixor(num);
-    return num.clone().ixor(this);
-  };
-
-  BN.prototype.uxor = function uxor (num) {
-    if (this.length > num.length) return this.clone().iuxor(num);
-    return num.clone().iuxor(this);
-  };
-
-  // Not ``this`` with ``width`` bitwidth
-  BN.prototype.inotn = function inotn (width) {
-    assert(typeof width === 'number' && width >= 0);
-
-    var bytesNeeded = Math.ceil(width / 26) | 0;
-    var bitsLeft = width % 26;
-
-    // Extend the buffer with leading zeroes
-    this._expand(bytesNeeded);
-
-    if (bitsLeft > 0) {
-      bytesNeeded--;
-    }
-
-    // Handle complete words
-    for (var i = 0; i < bytesNeeded; i++) {
-      this.words[i] = ~this.words[i] & 0x3ffffff;
-    }
-
-    // Handle the residue
-    if (bitsLeft > 0) {
-      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
-    }
-
-    // And remove leading zeroes
-    return this.strip();
-  };
-
-  BN.prototype.notn = function notn (width) {
-    return this.clone().inotn(width);
-  };
-
-  // Set `bit` of `this`
-  BN.prototype.setn = function setn (bit, val) {
-    assert(typeof bit === 'number' && bit >= 0);
-
-    var off = (bit / 26) | 0;
-    var wbit = bit % 26;
-
-    this._expand(off + 1);
-
-    if (val) {
-      this.words[off] = this.words[off] | (1 << wbit);
-    } else {
-      this.words[off] = this.words[off] & ~(1 << wbit);
-    }
-
-    return this.strip();
-  };
-
-  // Add `num` to `this` in-place
-  BN.prototype.iadd = function iadd (num) {
-    var r;
-
-    // negative + positive
-    if (this.negative !== 0 && num.negative === 0) {
-      this.negative = 0;
-      r = this.isub(num);
-      this.negative ^= 1;
-      return this._normSign();
-
-    // positive + negative
-    } else if (this.negative === 0 && num.negative !== 0) {
-      num.negative = 0;
-      r = this.isub(num);
-      num.negative = 1;
-      return r._normSign();
-    }
-
-    // a.length > b.length
-    var a, b;
-    if (this.length > num.length) {
-      a = this;
-      b = num;
-    } else {
-      a = num;
-      b = this;
-    }
-
-    var carry = 0;
-    for (var i = 0; i < b.length; i++) {
-      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
-      this.words[i] = r & 0x3ffffff;
-      carry = r >>> 26;
-    }
-    for (; carry !== 0 && i < a.length; i++) {
-      r = (a.words[i] | 0) + carry;
-      this.words[i] = r & 0x3ffffff;
-      carry = r >>> 26;
-    }
-
-    this.length = a.length;
-    if (carry !== 0) {
-      this.words[this.length] = carry;
-      this.length++;
-    // Copy the rest of the words
-    } else if (a !== this) {
-      for (; i < a.length; i++) {
-        this.words[i] = a.words[i];
-      }
-    }
-
-    return this;
-  };
-
-  // Add `num` to `this`
-  BN.prototype.add = function add (num) {
-    var res;
-    if (num.negative !== 0 && this.negative === 0) {
-      num.negative = 0;
-      res = this.sub(num);
-      num.negative ^= 1;
-      return res;
-    } else if (num.negative === 0 && this.negative !== 0) {
-      this.negative = 0;
-      res = num.sub(this);
-      this.negative = 1;
-      return res;
-    }
-
-    if (this.length > num.length) return this.clone().iadd(num);
-
-    return num.clone().iadd(this);
-  };
-
-  // Subtract `num` from `this` in-place
-  BN.prototype.isub = function isub (num) {
-    // this - (-num) = this + num
-    if (num.negative !== 0) {
-      num.negative = 0;
-      var r = this.iadd(num);
-      num.negative = 1;
-      return r._normSign();
-
-    // -this - num = -(this + num)
-    } else if (this.negative !== 0) {
-      this.negative = 0;
-      this.iadd(num);
-      this.negative = 1;
-      return this._normSign();
-    }
-
-    // At this point both numbers are positive
-    var cmp = this.cmp(num);
-
-    // Optimization - zeroify
-    if (cmp === 0) {
-      this.negative = 0;
-      this.length = 1;
-      this.words[0] = 0;
-      return this;
-    }
-
-    // a > b
-    var a, b;
-    if (cmp > 0) {
-      a = this;
-      b = num;
-    } else {
-      a = num;
-      b = this;
-    }
-
-    var carry = 0;
-    for (var i = 0; i < b.length; i++) {
-      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
-      carry = r >> 26;
-      this.words[i] = r & 0x3ffffff;
-    }
-    for (; carry !== 0 && i < a.length; i++) {
-      r = (a.words[i] | 0) + carry;
-      carry = r >> 26;
-      this.words[i] = r & 0x3ffffff;
-    }
-
-    // Copy rest of the words
-    if (carry === 0 && i < a.length && a !== this) {
-      for (; i < a.length; i++) {
-        this.words[i] = a.words[i];
-      }
-    }
-
-    this.length = Math.max(this.length, i);
-
-    if (a !== this) {
-      this.negative = 1;
-    }
-
-    return this.strip();
-  };
-
-  // Subtract `num` from `this`
-  BN.prototype.sub = function sub (num) {
-    return this.clone().isub(num);
-  };
-
-  function smallMulTo (self, num, out) {
-    out.negative = num.negative ^ self.negative;
-    var len = (self.length + num.length) | 0;
-    out.length = len;
-    len = (len - 1) | 0;
-
-    // Peel one iteration (compiler can't do it, because of code complexity)
-    var a = self.words[0] | 0;
-    var b = num.words[0] | 0;
-    var r = a * b;
-
-    var lo = r & 0x3ffffff;
-    var carry = (r / 0x4000000) | 0;
-    out.words[0] = lo;
-
-    for (var k = 1; k < len; k++) {
-      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
-      // note that ncarry could be >= 0x3ffffff
-      var ncarry = carry >>> 26;
-      var rword = carry & 0x3ffffff;
-      var maxJ = Math.min(k, num.length - 1);
-      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
-        var i = (k - j) | 0;
-        a = self.words[i] | 0;
-        b = num.words[j] | 0;
-        r = a * b + rword;
-        ncarry += (r / 0x4000000) | 0;
-        rword = r & 0x3ffffff;
-      }
-      out.words[k] = rword | 0;
-      carry = ncarry | 0;
-    }
-    if (carry !== 0) {
-      out.words[k] = carry | 0;
-    } else {
-      out.length--;
-    }
-
-    return out.strip();
-  }
-
-  // TODO(indutny): it may be reasonable to omit it for users who don't need
-  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
-  // multiplication (like elliptic secp256k1).
-  var comb10MulTo = function comb10MulTo (self, num, out) {
-    var a = self.words;
-    var b = num.words;
-    var o = out.words;
-    var c = 0;
-    var lo;
-    var mid;
-    var hi;
-    var a0 = a[0] | 0;
-    var al0 = a0 & 0x1fff;
-    var ah0 = a0 >>> 13;
-    var a1 = a[1] | 0;
-    var al1 = a1 & 0x1fff;
-    var ah1 = a1 >>> 13;
-    var a2 = a[2] | 0;
-    var al2 = a2 & 0x1fff;
-    var ah2 = a2 >>> 13;
-    var a3 = a[3] | 0;
-    var al3 = a3 & 0x1fff;
-    var ah3 = a3 >>> 13;
-    var a4 = a[4] | 0;
-    var al4 = a4 & 0x1fff;
-    var ah4 = a4 >>> 13;
-    var a5 = a[5] | 0;
-    var al5 = a5 & 0x1fff;
-    var ah5 = a5 >>> 13;
-    var a6 = a[6] | 0;
-    var al6 = a6 & 0x1fff;
-    var ah6 = a6 >>> 13;
-    var a7 = a[7] | 0;
-    var al7 = a7 & 0x1fff;
-    var ah7 = a7 >>> 13;
-    var a8 = a[8] | 0;
-    var al8 = a8 & 0x1fff;
-    var ah8 = a8 >>> 13;
-    var a9 = a[9] | 0;
-    var al9 = a9 & 0x1fff;
-    var ah9 = a9 >>> 13;
-    var b0 = b[0] | 0;
-    var bl0 = b0 & 0x1fff;
-    var bh0 = b0 >>> 13;
-    var b1 = b[1] | 0;
-    var bl1 = b1 & 0x1fff;
-    var bh1 = b1 >>> 13;
-    var b2 = b[2] | 0;
-    var bl2 = b2 & 0x1fff;
-    var bh2 = b2 >>> 13;
-    var b3 = b[3] | 0;
-    var bl3 = b3 & 0x1fff;
-    var bh3 = b3 >>> 13;
-    var b4 = b[4] | 0;
-    var bl4 = b4 & 0x1fff;
-    var bh4 = b4 >>> 13;
-    var b5 = b[5] | 0;
-    var bl5 = b5 & 0x1fff;
-    var bh5 = b5 >>> 13;
-    var b6 = b[6] | 0;
-    var bl6 = b6 & 0x1fff;
-    var bh6 = b6 >>> 13;
-    var b7 = b[7] | 0;
-    var bl7 = b7 & 0x1fff;
-    var bh7 = b7 >>> 13;
-    var b8 = b[8] | 0;
-    var bl8 = b8 & 0x1fff;
-    var bh8 = b8 >>> 13;
-    var b9 = b[9] | 0;
-    var bl9 = b9 & 0x1fff;
-    var bh9 = b9 >>> 13;
-
-    out.negative = self.negative ^ num.negative;
-    out.length = 19;
-    /* k = 0 */
-    lo = Math.imul(al0, bl0);
-    mid = Math.imul(al0, bh0);
-    mid = (mid + Math.imul(ah0, bl0)) | 0;
-    hi = Math.imul(ah0, bh0);
-    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
-    w0 &= 0x3ffffff;
-    /* k = 1 */
-    lo = Math.imul(al1, bl0);
-    mid = Math.imul(al1, bh0);
-    mid = (mid + Math.imul(ah1, bl0)) | 0;
-    hi = Math.imul(ah1, bh0);
-    lo = (lo + Math.imul(al0, bl1)) | 0;
-    mid = (mid + Math.imul(al0, bh1)) | 0;
-    mid = (mid + Math.imul(ah0, bl1)) | 0;
-    hi = (hi + Math.imul(ah0, bh1)) | 0;
-    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
-    w1 &= 0x3ffffff;
-    /* k = 2 */
-    lo = Math.imul(al2, bl0);
-    mid = Math.imul(al2, bh0);
-    mid = (mid + Math.imul(ah2, bl0)) | 0;
-    hi = Math.imul(ah2, bh0);
-    lo = (lo + Math.imul(al1, bl1)) | 0;
-    mid = (mid + Math.imul(al1, bh1)) | 0;
-    mid = (mid + Math.imul(ah1, bl1)) | 0;
-    hi = (hi + Math.imul(ah1, bh1)) | 0;
-    lo = (lo + Math.imul(al0, bl2)) | 0;
-    mid = (mid + Math.imul(al0, bh2)) | 0;
-    mid = (mid + Math.imul(ah0, bl2)) | 0;
-    hi = (hi + Math.imul(ah0, bh2)) | 0;
-    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
-    w2 &= 0x3ffffff;
-    /* k = 3 */
-    lo = Math.imul(al3, bl0);
-    mid = Math.imul(al3, bh0);
-    mid = (mid + Math.imul(ah3, bl0)) | 0;
-    hi = Math.imul(ah3, bh0);
-    lo = (lo + Math.imul(al2, bl1)) | 0;
-    mid = (mid + Math.imul(al2, bh1)) | 0;
-    mid = (mid + Math.imul(ah2, bl1)) | 0;
-    hi = (hi + Math.imul(ah2, bh1)) | 0;
-    lo = (lo + Math.imul(al1, bl2)) | 0;
-    mid = (mid + Math.imul(al1, bh2)) | 0;
-    mid = (mid + Math.imul(ah1, bl2)) | 0;
-    hi = (hi + Math.imul(ah1, bh2)) | 0;
-    lo = (lo + Math.imul(al0, bl3)) | 0;
-    mid = (mid + Math.imul(al0, bh3)) | 0;
-    mid = (mid + Math.imul(ah0, bl3)) | 0;
-    hi = (hi + Math.imul(ah0, bh3)) | 0;
-    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
-    w3 &= 0x3ffffff;
-    /* k = 4 */
-    lo = Math.imul(al4, bl0);
-    mid = Math.imul(al4, bh0);
-    mid = (mid + Math.imul(ah4, bl0)) | 0;
-    hi = Math.imul(ah4, bh0);
-    lo = (lo + Math.imul(al3, bl1)) | 0;
-    mid = (mid + Math.imul(al3, bh1)) | 0;
-    mid = (mid + Math.imul(ah3, bl1)) | 0;
-    hi = (hi + Math.imul(ah3, bh1)) | 0;
-    lo = (lo + Math.imul(al2, bl2)) | 0;
-    mid = (mid + Math.imul(al2, bh2)) | 0;
-    mid = (mid + Math.imul(ah2, bl2)) | 0;
-    hi = (hi + Math.imul(ah2, bh2)) | 0;
-    lo = (lo + Math.imul(al1, bl3)) | 0;
-    mid = (mid + Math.imul(al1, bh3)) | 0;
-    mid = (mid + Math.imul(ah1, bl3)) | 0;
-    hi = (hi + Math.imul(ah1, bh3)) | 0;
-    lo = (lo + Math.imul(al0, bl4)) | 0;
-    mid = (mid + Math.imul(al0, bh4)) | 0;
-    mid = (mid + Math.imul(ah0, bl4)) | 0;
-    hi = (hi + Math.imul(ah0, bh4)) | 0;
-    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
-    w4 &= 0x3ffffff;
-    /* k = 5 */
-    lo = Math.imul(al5, bl0);
-    mid = Math.imul(al5, bh0);
-    mid = (mid + Math.imul(ah5, bl0)) | 0;
-    hi = Math.imul(ah5, bh0);
-    lo = (lo + Math.imul(al4, bl1)) | 0;
-    mid = (mid + Math.imul(al4, bh1)) | 0;
-    mid = (mid + Math.imul(ah4, bl1)) | 0;
-    hi = (hi + Math.imul(ah4, bh1)) | 0;
-    lo = (lo + Math.imul(al3, bl2)) | 0;
-    mid = (mid + Math.imul(al3, bh2)) | 0;
-    mid = (mid + Math.imul(ah3, bl2)) | 0;
-    hi = (hi + Math.imul(ah3, bh2)) | 0;
-    lo = (lo + Math.imul(al2, bl3)) | 0;
-    mid = (mid + Math.imul(al2, bh3)) | 0;
-    mid = (mid + Math.imul(ah2, bl3)) | 0;
-    hi = (hi + Math.imul(ah2, bh3)) | 0;
-    lo = (lo + Math.imul(al1, bl4)) | 0;
-    mid = (mid + Math.imul(al1, bh4)) | 0;
-    mid = (mid + Math.imul(ah1, bl4)) | 0;
-    hi = (hi + Math.imul(ah1, bh4)) | 0;
-    lo = (lo + Math.imul(al0, bl5)) | 0;
-    mid = (mid + Math.imul(al0, bh5)) | 0;
-    mid = (mid + Math.imul(ah0, bl5)) | 0;
-    hi = (hi + Math.imul(ah0, bh5)) | 0;
-    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
-    w5 &= 0x3ffffff;
-    /* k = 6 */
-    lo = Math.imul(al6, bl0);
-    mid = Math.imul(al6, bh0);
-    mid = (mid + Math.imul(ah6, bl0)) | 0;
-    hi = Math.imul(ah6, bh0);
-    lo = (lo + Math.imul(al5, bl1)) | 0;
-    mid = (mid + Math.imul(al5, bh1)) | 0;
-    mid = (mid + Math.imul(ah5, bl1)) | 0;
-    hi = (hi + Math.imul(ah5, bh1)) | 0;
-    lo = (lo + Math.imul(al4, bl2)) | 0;
-    mid = (mid + Math.imul(al4, bh2)) | 0;
-    mid = (mid + Math.imul(ah4, bl2)) | 0;
-    hi = (hi + Math.imul(ah4, bh2)) | 0;
-    lo = (lo + Math.imul(al3, bl3)) | 0;
-    mid = (mid + Math.imul(al3, bh3)) | 0;
-    mid = (mid + Math.imul(ah3, bl3)) | 0;
-    hi = (hi + Math.imul(ah3, bh3)) | 0;
-    lo = (lo + Math.imul(al2, bl4)) | 0;
-    mid = (mid + Math.imul(al2, bh4)) | 0;
-    mid = (mid + Math.imul(ah2, bl4)) | 0;
-    hi = (hi + Math.imul(ah2, bh4)) | 0;
-    lo = (lo + Math.imul(al1, bl5)) | 0;
-    mid = (mid + Math.imul(al1, bh5)) | 0;
-    mid = (mid + Math.imul(ah1, bl5)) | 0;
-    hi = (hi + Math.imul(ah1, bh5)) | 0;
-    lo = (lo + Math.imul(al0, bl6)) | 0;
-    mid = (mid + Math.imul(al0, bh6)) | 0;
-    mid = (mid + Math.imul(ah0, bl6)) | 0;
-    hi = (hi + Math.imul(ah0, bh6)) | 0;
-    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
-    w6 &= 0x3ffffff;
-    /* k = 7 */
-    lo = Math.imul(al7, bl0);
-    mid = Math.imul(al7, bh0);
-    mid = (mid + Math.imul(ah7, bl0)) | 0;
-    hi = Math.imul(ah7, bh0);
-    lo = (lo + Math.imul(al6, bl1)) | 0;
-    mid = (mid + Math.imul(al6, bh1)) | 0;
-    mid = (mid + Math.imul(ah6, bl1)) | 0;
-    hi = (hi + Math.imul(ah6, bh1)) | 0;
-    lo = (lo + Math.imul(al5, bl2)) | 0;
-    mid = (mid + Math.imul(al5, bh2)) | 0;
-    mid = (mid + Math.imul(ah5, bl2)) | 0;
-    hi = (hi + Math.imul(ah5, bh2)) | 0;
-    lo = (lo + Math.imul(al4, bl3)) | 0;
-    mid = (mid + Math.imul(al4, bh3)) | 0;
-    mid = (mid + Math.imul(ah4, bl3)) | 0;
-    hi = (hi + Math.imul(ah4, bh3)) | 0;
-    lo = (lo + Math.imul(al3, bl4)) | 0;
-    mid = (mid + Math.imul(al3, bh4)) | 0;
-    mid = (mid + Math.imul(ah3, bl4)) | 0;
-    hi = (hi + Math.imul(ah3, bh4)) | 0;
-    lo = (lo + Math.imul(al2, bl5)) | 0;
-    mid = (mid + Math.imul(al2, bh5)) | 0;
-    mid = (mid + Math.imul(ah2, bl5)) | 0;
-    hi = (hi + Math.imul(ah2, bh5)) | 0;
-    lo = (lo + Math.imul(al1, bl6)) | 0;
-    mid = (mid + Math.imul(al1, bh6)) | 0;
-    mid = (mid + Math.imul(ah1, bl6)) | 0;
-    hi = (hi + Math.imul(ah1, bh6)) | 0;
-    lo = (lo + Math.imul(al0, bl7)) | 0;
-    mid = (mid + Math.imul(al0, bh7)) | 0;
-    mid = (mid + Math.imul(ah0, bl7)) | 0;
-    hi = (hi + Math.imul(ah0, bh7)) | 0;
-    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
-    w7 &= 0x3ffffff;
-    /* k = 8 */
-    lo = Math.imul(al8, bl0);
-    mid = Math.imul(al8, bh0);
-    mid = (mid + Math.imul(ah8, bl0)) | 0;
-    hi = Math.imul(ah8, bh0);
-    lo = (lo + Math.imul(al7, bl1)) | 0;
-    mid = (mid + Math.imul(al7, bh1)) | 0;
-    mid = (mid + Math.imul(ah7, bl1)) | 0;
-    hi = (hi + Math.imul(ah7, bh1)) | 0;
-    lo = (lo + Math.imul(al6, bl2)) | 0;
-    mid = (mid + Math.imul(al6, bh2)) | 0;
-    mid = (mid + Math.imul(ah6, bl2)) | 0;
-    hi = (hi + Math.imul(ah6, bh2)) | 0;
-    lo = (lo + Math.imul(al5, bl3)) | 0;
-    mid = (mid + Math.imul(al5, bh3)) | 0;
-    mid = (mid + Math.imul(ah5, bl3)) | 0;
-    hi = (hi + Math.imul(ah5, bh3)) | 0;
-    lo = (lo + Math.imul(al4, bl4)) | 0;
-    mid = (mid + Math.imul(al4, bh4)) | 0;
-    mid = (mid + Math.imul(ah4, bl4)) | 0;
-    hi = (hi + Math.imul(ah4, bh4)) | 0;
-    lo = (lo + Math.imul(al3, bl5)) | 0;
-    mid = (mid + Math.imul(al3, bh5)) | 0;
-    mid = (mid + Math.imul(ah3, bl5)) | 0;
-    hi = (hi + Math.imul(ah3, bh5)) | 0;
-    lo = (lo + Math.imul(al2, bl6)) | 0;
-    mid = (mid + Math.imul(al2, bh6)) | 0;
-    mid = (mid + Math.imul(ah2, bl6)) | 0;
-    hi = (hi + Math.imul(ah2, bh6)) | 0;
-    lo = (lo + Math.imul(al1, bl7)) | 0;
-    mid = (mid + Math.imul(al1, bh7)) | 0;
-    mid = (mid + Math.imul(ah1, bl7)) | 0;
-    hi = (hi + Math.imul(ah1, bh7)) | 0;
-    lo = (lo + Math.imul(al0, bl8)) | 0;
-    mid = (mid + Math.imul(al0, bh8)) | 0;
-    mid = (mid + Math.imul(ah0, bl8)) | 0;
-    hi = (hi + Math.imul(ah0, bh8)) | 0;
-    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
-    w8 &= 0x3ffffff;
-    /* k = 9 */
-    lo = Math.imul(al9, bl0);
-    mid = Math.imul(al9, bh0);
-    mid = (mid + Math.imul(ah9, bl0)) | 0;
-    hi = Math.imul(ah9, bh0);
-    lo = (lo + Math.imul(al8, bl1)) | 0;
-    mid = (mid + Math.imul(al8, bh1)) | 0;
-    mid = (mid + Math.imul(ah8, bl1)) | 0;
-    hi = (hi + Math.imul(ah8, bh1)) | 0;
-    lo = (lo + Math.imul(al7, bl2)) | 0;
-    mid = (mid + Math.imul(al7, bh2)) | 0;
-    mid = (mid + Math.imul(ah7, bl2)) | 0;
-    hi = (hi + Math.imul(ah7, bh2)) | 0;
-    lo = (lo + Math.imul(al6, bl3)) | 0;
-    mid = (mid + Math.imul(al6, bh3)) | 0;
-    mid = (mid + Math.imul(ah6, bl3)) | 0;
-    hi = (hi + Math.imul(ah6, bh3)) | 0;
-    lo = (lo + Math.imul(al5, bl4)) | 0;
-    mid = (mid + Math.imul(al5, bh4)) | 0;
-    mid = (mid + Math.imul(ah5, bl4)) | 0;
-    hi = (hi + Math.imul(ah5, bh4)) | 0;
-    lo = (lo + Math.imul(al4, bl5)) | 0;
-    mid = (mid + Math.imul(al4, bh5)) | 0;
-    mid = (mid + Math.imul(ah4, bl5)) | 0;
-    hi = (hi + Math.imul(ah4, bh5)) | 0;
-    lo = (lo + Math.imul(al3, bl6)) | 0;
-    mid = (mid + Math.imul(al3, bh6)) | 0;
-    mid = (mid + Math.imul(ah3, bl6)) | 0;
-    hi = (hi + Math.imul(ah3, bh6)) | 0;
-    lo = (lo + Math.imul(al2, bl7)) | 0;
-    mid = (mid + Math.imul(al2, bh7)) | 0;
-    mid = (mid + Math.imul(ah2, bl7)) | 0;
-    hi = (hi + Math.imul(ah2, bh7)) | 0;
-    lo = (lo + Math.imul(al1, bl8)) | 0;
-    mid = (mid + Math.imul(al1, bh8)) | 0;
-    mid = (mid + Math.imul(ah1, bl8)) | 0;
-    hi = (hi + Math.imul(ah1, bh8)) | 0;
-    lo = (lo + Math.imul(al0, bl9)) | 0;
-    mid = (mid + Math.imul(al0, bh9)) | 0;
-    mid = (mid + Math.imul(ah0, bl9)) | 0;
-    hi = (hi + Math.imul(ah0, bh9)) | 0;
-    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
-    w9 &= 0x3ffffff;
-    /* k = 10 */
-    lo = Math.imul(al9, bl1);
-    mid = Math.imul(al9, bh1);
-    mid = (mid + Math.imul(ah9, bl1)) | 0;
-    hi = Math.imul(ah9, bh1);
-    lo = (lo + Math.imul(al8, bl2)) | 0;
-    mid = (mid + Math.imul(al8, bh2)) | 0;
-    mid = (mid + Math.imul(ah8, bl2)) | 0;
-    hi = (hi + Math.imul(ah8, bh2)) | 0;
-    lo = (lo + Math.imul(al7, bl3)) | 0;
-    mid = (mid + Math.imul(al7, bh3)) | 0;
-    mid = (mid + Math.imul(ah7, bl3)) | 0;
-    hi = (hi + Math.imul(ah7, bh3)) | 0;
-    lo = (lo + Math.imul(al6, bl4)) | 0;
-    mid = (mid + Math.imul(al6, bh4)) | 0;
-    mid = (mid + Math.imul(ah6, bl4)) | 0;
-    hi = (hi + Math.imul(ah6, bh4)) | 0;
-    lo = (lo + Math.imul(al5, bl5)) | 0;
-    mid = (mid + Math.imul(al5, bh5)) | 0;
-    mid = (mid + Math.imul(ah5, bl5)) | 0;
-    hi = (hi + Math.imul(ah5, bh5)) | 0;
-    lo = (lo + Math.imul(al4, bl6)) | 0;
-    mid = (mid + Math.imul(al4, bh6)) | 0;
-    mid = (mid + Math.imul(ah4, bl6)) | 0;
-    hi = (hi + Math.imul(ah4, bh6)) | 0;
-    lo = (lo + Math.imul(al3, bl7)) | 0;
-    mid = (mid + Math.imul(al3, bh7)) | 0;
-    mid = (mid + Math.imul(ah3, bl7)) | 0;
-    hi = (hi + Math.imul(ah3, bh7)) | 0;
-    lo = (lo + Math.imul(al2, bl8)) | 0;
-    mid = (mid + Math.imul(al2, bh8)) | 0;
-    mid = (mid + Math.imul(ah2, bl8)) | 0;
-    hi = (hi + Math.imul(ah2, bh8)) | 0;
-    lo = (lo + Math.imul(al1, bl9)) | 0;
-    mid = (mid + Math.imul(al1, bh9)) | 0;
-    mid = (mid + Math.imul(ah1, bl9)) | 0;
-    hi = (hi + Math.imul(ah1, bh9)) | 0;
-    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
-    w10 &= 0x3ffffff;
-    /* k = 11 */
-    lo = Math.imul(al9, bl2);
-    mid = Math.imul(al9, bh2);
-    mid = (mid + Math.imul(ah9, bl2)) | 0;
-    hi = Math.imul(ah9, bh2);
-    lo = (lo + Math.imul(al8, bl3)) | 0;
-    mid = (mid + Math.imul(al8, bh3)) | 0;
-    mid = (mid + Math.imul(ah8, bl3)) | 0;
-    hi = (hi + Math.imul(ah8, bh3)) | 0;
-    lo = (lo + Math.imul(al7, bl4)) | 0;
-    mid = (mid + Math.imul(al7, bh4)) | 0;
-    mid = (mid + Math.imul(ah7, bl4)) | 0;
-    hi = (hi + Math.imul(ah7, bh4)) | 0;
-    lo = (lo + Math.imul(al6, bl5)) | 0;
-    mid = (mid + Math.imul(al6, bh5)) | 0;
-    mid = (mid + Math.imul(ah6, bl5)) | 0;
-    hi = (hi + Math.imul(ah6, bh5)) | 0;
-    lo = (lo + Math.imul(al5, bl6)) | 0;
-    mid = (mid + Math.imul(al5, bh6)) | 0;
-    mid = (mid + Math.imul(ah5, bl6)) | 0;
-    hi = (hi + Math.imul(ah5, bh6)) | 0;
-    lo = (lo + Math.imul(al4, bl7)) | 0;
-    mid = (mid + Math.imul(al4, bh7)) | 0;
-    mid = (mid + Math.imul(ah4, bl7)) | 0;
-    hi = (hi + Math.imul(ah4, bh7)) | 0;
-    lo = (lo + Math.imul(al3, bl8)) | 0;
-    mid = (mid + Math.imul(al3, bh8)) | 0;
-    mid = (mid + Math.imul(ah3, bl8)) | 0;
-    hi = (hi + Math.imul(ah3, bh8)) | 0;
-    lo = (lo + Math.imul(al2, bl9)) | 0;
-    mid = (mid + Math.imul(al2, bh9)) | 0;
-    mid = (mid + Math.imul(ah2, bl9)) | 0;
-    hi = (hi + Math.imul(ah2, bh9)) | 0;
-    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
-    w11 &= 0x3ffffff;
-    /* k = 12 */
-    lo = Math.imul(al9, bl3);
-    mid = Math.imul(al9, bh3);
-    mid = (mid + Math.imul(ah9, bl3)) | 0;
-    hi = Math.imul(ah9, bh3);
-    lo = (lo + Math.imul(al8, bl4)) | 0;
-    mid = (mid + Math.imul(al8, bh4)) | 0;
-    mid = (mid + Math.imul(ah8, bl4)) | 0;
-    hi = (hi + Math.imul(ah8, bh4)) | 0;
-    lo = (lo + Math.imul(al7, bl5)) | 0;
-    mid = (mid + Math.imul(al7, bh5)) | 0;
-    mid = (mid + Math.imul(ah7, bl5)) | 0;
-    hi = (hi + Math.imul(ah7, bh5)) | 0;
-    lo = (lo + Math.imul(al6, bl6)) | 0;
-    mid = (mid + Math.imul(al6, bh6)) | 0;
-    mid = (mid + Math.imul(ah6, bl6)) | 0;
-    hi = (hi + Math.imul(ah6, bh6)) | 0;
-    lo = (lo + Math.imul(al5, bl7)) | 0;
-    mid = (mid + Math.imul(al5, bh7)) | 0;
-    mid = (mid + Math.imul(ah5, bl7)) | 0;
-    hi = (hi + Math.imul(ah5, bh7)) | 0;
-    lo = (lo + Math.imul(al4, bl8)) | 0;
-    mid = (mid + Math.imul(al4, bh8)) | 0;
-    mid = (mid + Math.imul(ah4, bl8)) | 0;
-    hi = (hi + Math.imul(ah4, bh8)) | 0;
-    lo = (lo + Math.imul(al3, bl9)) | 0;
-    mid = (mid + Math.imul(al3, bh9)) | 0;
-    mid = (mid + Math.imul(ah3, bl9)) | 0;
-    hi = (hi + Math.imul(ah3, bh9)) | 0;
-    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
-    w12 &= 0x3ffffff;
-    /* k = 13 */
-    lo = Math.imul(al9, bl4);
-    mid = Math.imul(al9, bh4);
-    mid = (mid + Math.imul(ah9, bl4)) | 0;
-    hi = Math.imul(ah9, bh4);
-    lo = (lo + Math.imul(al8, bl5)) | 0;
-    mid = (mid + Math.imul(al8, bh5)) | 0;
-    mid = (mid + Math.imul(ah8, bl5)) | 0;
-    hi = (hi + Math.imul(ah8, bh5)) | 0;
-    lo = (lo + Math.imul(al7, bl6)) | 0;
-    mid = (mid + Math.imul(al7, bh6)) | 0;
-    mid = (mid + Math.imul(ah7, bl6)) | 0;
-    hi = (hi + Math.imul(ah7, bh6)) | 0;
-    lo = (lo + Math.imul(al6, bl7)) | 0;
-    mid = (mid + Math.imul(al6, bh7)) | 0;
-    mid = (mid + Math.imul(ah6, bl7)) | 0;
-    hi = (hi + Math.imul(ah6, bh7)) | 0;
-    lo = (lo + Math.imul(al5, bl8)) | 0;
-    mid = (mid + Math.imul(al5, bh8)) | 0;
-    mid = (mid + Math.imul(ah5, bl8)) | 0;
-    hi = (hi + Math.imul(ah5, bh8)) | 0;
-    lo = (lo + Math.imul(al4, bl9)) | 0;
-    mid = (mid + Math.imul(al4, bh9)) | 0;
-    mid = (mid + Math.imul(ah4, bl9)) | 0;
-    hi = (hi + Math.imul(ah4, bh9)) | 0;
-    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
-    w13 &= 0x3ffffff;
-    /* k = 14 */
-    lo = Math.imul(al9, bl5);
-    mid = Math.imul(al9, bh5);
-    mid = (mid + Math.imul(ah9, bl5)) | 0;
-    hi = Math.imul(ah9, bh5);
-    lo = (lo + Math.imul(al8, bl6)) | 0;
-    mid = (mid + Math.imul(al8, bh6)) | 0;
-    mid = (mid + Math.imul(ah8, bl6)) | 0;
-    hi = (hi + Math.imul(ah8, bh6)) | 0;
-    lo = (lo + Math.imul(al7, bl7)) | 0;
-    mid = (mid + Math.imul(al7, bh7)) | 0;
-    mid = (mid + Math.imul(ah7, bl7)) | 0;
-    hi = (hi + Math.imul(ah7, bh7)) | 0;
-    lo = (lo + Math.imul(al6, bl8)) | 0;
-    mid = (mid + Math.imul(al6, bh8)) | 0;
-    mid = (mid + Math.imul(ah6, bl8)) | 0;
-    hi = (hi + Math.imul(ah6, bh8)) | 0;
-    lo = (lo + Math.imul(al5, bl9)) | 0;
-    mid = (mid + Math.imul(al5, bh9)) | 0;
-    mid = (mid + Math.imul(ah5, bl9)) | 0;
-    hi = (hi + Math.imul(ah5, bh9)) | 0;
-    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
-    w14 &= 0x3ffffff;
-    /* k = 15 */
-    lo = Math.imul(al9, bl6);
-    mid = Math.imul(al9, bh6);
-    mid = (mid + Math.imul(ah9, bl6)) | 0;
-    hi = Math.imul(ah9, bh6);
-    lo = (lo + Math.imul(al8, bl7)) | 0;
-    mid = (mid + Math.imul(al8, bh7)) | 0;
-    mid = (mid + Math.imul(ah8, bl7)) | 0;
-    hi = (hi + Math.imul(ah8, bh7)) | 0;
-    lo = (lo + Math.imul(al7, bl8)) | 0;
-    mid = (mid + Math.imul(al7, bh8)) | 0;
-    mid = (mid + Math.imul(ah7, bl8)) | 0;
-    hi = (hi + Math.imul(ah7, bh8)) | 0;
-    lo = (lo + Math.imul(al6, bl9)) | 0;
-    mid = (mid + Math.imul(al6, bh9)) | 0;
-    mid = (mid + Math.imul(ah6, bl9)) | 0;
-    hi = (hi + Math.imul(ah6, bh9)) | 0;
-    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
-    w15 &= 0x3ffffff;
-    /* k = 16 */
-    lo = Math.imul(al9, bl7);
-    mid = Math.imul(al9, bh7);
-    mid = (mid + Math.imul(ah9, bl7)) | 0;
-    hi = Math.imul(ah9, bh7);
-    lo = (lo + Math.imul(al8, bl8)) | 0;
-    mid = (mid + Math.imul(al8, bh8)) | 0;
-    mid = (mid + Math.imul(ah8, bl8)) | 0;
-    hi = (hi + Math.imul(ah8, bh8)) | 0;
-    lo = (lo + Math.imul(al7, bl9)) | 0;
-    mid = (mid + Math.imul(al7, bh9)) | 0;
-    mid = (mid + Math.imul(ah7, bl9)) | 0;
-    hi = (hi + Math.imul(ah7, bh9)) | 0;
-    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
-    w16 &= 0x3ffffff;
-    /* k = 17 */
-    lo = Math.imul(al9, bl8);
-    mid = Math.imul(al9, bh8);
-    mid = (mid + Math.imul(ah9, bl8)) | 0;
-    hi = Math.imul(ah9, bh8);
-    lo = (lo + Math.imul(al8, bl9)) | 0;
-    mid = (mid + Math.imul(al8, bh9)) | 0;
-    mid = (mid + Math.imul(ah8, bl9)) | 0;
-    hi = (hi + Math.imul(ah8, bh9)) | 0;
-    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
-    w17 &= 0x3ffffff;
-    /* k = 18 */
-    lo = Math.imul(al9, bl9);
-    mid = Math.imul(al9, bh9);
-    mid = (mid + Math.imul(ah9, bl9)) | 0;
-    hi = Math.imul(ah9, bh9);
-    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
-    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
-    w18 &= 0x3ffffff;
-    o[0] = w0;
-    o[1] = w1;
-    o[2] = w2;
-    o[3] = w3;
-    o[4] = w4;
-    o[5] = w5;
-    o[6] = w6;
-    o[7] = w7;
-    o[8] = w8;
-    o[9] = w9;
-    o[10] = w10;
-    o[11] = w11;
-    o[12] = w12;
-    o[13] = w13;
-    o[14] = w14;
-    o[15] = w15;
-    o[16] = w16;
-    o[17] = w17;
-    o[18] = w18;
-    if (c !== 0) {
-      o[19] = c;
-      out.length++;
-    }
-    return out;
-  };
-
-  // Polyfill comb
-  if (!Math.imul) {
-    comb10MulTo = smallMulTo;
-  }
-
-  function bigMulTo (self, num, out) {
-    out.negative = num.negative ^ self.negative;
-    out.length = self.length + num.length;
-
-    var carry = 0;
-    var hncarry = 0;
-    for (var k = 0; k < out.length - 1; k++) {
-      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
-      // note that ncarry could be >= 0x3ffffff
-      var ncarry = hncarry;
-      hncarry = 0;
-      var rword = carry & 0x3ffffff;
-      var maxJ = Math.min(k, num.length - 1);
-      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
-        var i = k - j;
-        var a = self.words[i] | 0;
-        var b = num.words[j] | 0;
-        var r = a * b;
-
-        var lo = r & 0x3ffffff;
-        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
-        lo = (lo + rword) | 0;
-        rword = lo & 0x3ffffff;
-        ncarry = (ncarry + (lo >>> 26)) | 0;
-
-        hncarry += ncarry >>> 26;
-        ncarry &= 0x3ffffff;
-      }
-      out.words[k] = rword;
-      carry = ncarry;
-      ncarry = hncarry;
-    }
-    if (carry !== 0) {
-      out.words[k] = carry;
-    } else {
-      out.length--;
-    }
-
-    return out.strip();
-  }
-
-  function jumboMulTo (self, num, out) {
-    var fftm = new FFTM();
-    return fftm.mulp(self, num, out);
-  }
-
-  BN.prototype.mulTo = function mulTo (num, out) {
-    var res;
-    var len = this.length + num.length;
-    if (this.length === 10 && num.length === 10) {
-      res = comb10MulTo(this, num, out);
-    } else if (len < 63) {
-      res = smallMulTo(this, num, out);
-    } else if (len < 1024) {
-      res = bigMulTo(this, num, out);
-    } else {
-      res = jumboMulTo(this, num, out);
-    }
-
-    return res;
-  };
-
-  // Cooley-Tukey algorithm for FFT
-  // slightly revisited to rely on looping instead of recursion
-
-  function FFTM (x, y) {
-    this.x = x;
-    this.y = y;
-  }
-
-  FFTM.prototype.makeRBT = function makeRBT (N) {
-    var t = new Array(N);
-    var l = BN.prototype._countBits(N) - 1;
-    for (var i = 0; i < N; i++) {
-      t[i] = this.revBin(i, l, N);
-    }
-
-    return t;
-  };
-
-  // Returns binary-reversed representation of `x`
-  FFTM.prototype.revBin = function revBin (x, l, N) {
-    if (x === 0 || x === N - 1) return x;
-
-    var rb = 0;
-    for (var i = 0; i < l; i++) {
-      rb |= (x & 1) << (l - i - 1);
-      x >>= 1;
-    }
-
-    return rb;
-  };
-
-  // Performs "tweedling" phase, therefore 'emulating'
-  // behaviour of the recursive algorithm
-  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
-    for (var i = 0; i < N; i++) {
-      rtws[i] = rws[rbt[i]];
-      itws[i] = iws[rbt[i]];
-    }
-  };
-
-  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
-    this.permute(rbt, rws, iws, rtws, itws, N);
-
-    for (var s = 1; s < N; s <<= 1) {
-      var l = s << 1;
-
-      var rtwdf = Math.cos(2 * Math.PI / l);
-      var itwdf = Math.sin(2 * Math.PI / l);
-
-      for (var p = 0; p < N; p += l) {
-        var rtwdf_ = rtwdf;
-        var itwdf_ = itwdf;
-
-        for (var j = 0; j < s; j++) {
-          var re = rtws[p + j];
-          var ie = itws[p + j];
-
-          var ro = rtws[p + j + s];
-          var io = itws[p + j + s];
-
-          var rx = rtwdf_ * ro - itwdf_ * io;
-
-          io = rtwdf_ * io + itwdf_ * ro;
-          ro = rx;
-
-          rtws[p + j] = re + ro;
-          itws[p + j] = ie + io;
-
-          rtws[p + j + s] = re - ro;
-          itws[p + j + s] = ie - io;
-
-          /* jshint maxdepth : false */
-          if (j !== l) {
-            rx = rtwdf * rtwdf_ - itwdf * itwdf_;
-
-            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
-            rtwdf_ = rx;
-          }
-        }
-      }
-    }
-  };
-
-  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
-    var N = Math.max(m, n) | 1;
-    var odd = N & 1;
-    var i = 0;
-    for (N = N / 2 | 0; N; N = N >>> 1) {
-      i++;
-    }
-
-    return 1 << i + 1 + odd;
-  };
-
-  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
-    if (N <= 1) return;
-
-    for (var i = 0; i < N / 2; i++) {
-      var t = rws[i];
-
-      rws[i] = rws[N - i - 1];
-      rws[N - i - 1] = t;
-
-      t = iws[i];
-
-      iws[i] = -iws[N - i - 1];
-      iws[N - i - 1] = -t;
-    }
-  };
-
-  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
-    var carry = 0;
-    for (var i = 0; i < N / 2; i++) {
-      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
-        Math.round(ws[2 * i] / N) +
-        carry;
-
-      ws[i] = w & 0x3ffffff;
-
-      if (w < 0x4000000) {
-        carry = 0;
-      } else {
-        carry = w / 0x4000000 | 0;
-      }
-    }
-
-    return ws;
-  };
-
-  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
-    var carry = 0;
-    for (var i = 0; i < len; i++) {
-      carry = carry + (ws[i] | 0);
-
-      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
-      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
-    }
-
-    // Pad with zeroes
-    for (i = 2 * len; i < N; ++i) {
-      rws[i] = 0;
-    }
-
-    assert(carry === 0);
-    assert((carry & ~0x1fff) === 0);
-  };
-
-  FFTM.prototype.stub = function stub (N) {
-    var ph = new Array(N);
-    for (var i = 0; i < N; i++) {
-      ph[i] = 0;
-    }
-
-    return ph;
-  };
-
-  FFTM.prototype.mulp = function mulp (x, y, out) {
-    var N = 2 * this.guessLen13b(x.length, y.length);
-
-    var rbt = this.makeRBT(N);
-
-    var _ = this.stub(N);
-
-    var rws = new Array(N);
-    var rwst = new Array(N);
-    var iwst = new Array(N);
-
-    var nrws = new Array(N);
-    var nrwst = new Array(N);
-    var niwst = new Array(N);
-
-    var rmws = out.words;
-    rmws.length = N;
-
-    this.convert13b(x.words, x.length, rws, N);
-    this.convert13b(y.words, y.length, nrws, N);
-
-    this.transform(rws, _, rwst, iwst, N, rbt);
-    this.transform(nrws, _, nrwst, niwst, N, rbt);
-
-    for (var i = 0; i < N; i++) {
-      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
-      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
-      rwst[i] = rx;
-    }
-
-    this.conjugate(rwst, iwst, N);
-    this.transform(rwst, iwst, rmws, _, N, rbt);
-    this.conjugate(rmws, _, N);
-    this.normalize13b(rmws, N);
-
-    out.negative = x.negative ^ y.negative;
-    out.length = x.length + y.length;
-    return out.strip();
-  };
-
-  // Multiply `this` by `num`
-  BN.prototype.mul = function mul (num) {
-    var out = new BN(null);
-    out.words = new Array(this.length + num.length);
-    return this.mulTo(num, out);
-  };
-
-  // Multiply employing FFT
-  BN.prototype.mulf = function mulf (num) {
-    var out = new BN(null);
-    out.words = new Array(this.length + num.length);
-    return jumboMulTo(this, num, out);
-  };
-
-  // In-place Multiplication
-  BN.prototype.imul = function imul (num) {
-    return this.clone().mulTo(num, this);
-  };
-
-  BN.prototype.imuln = function imuln (num) {
-    assert(typeof num === 'number');
-    assert(num < 0x4000000);
-
-    // Carry
-    var carry = 0;
-    for (var i = 0; i < this.length; i++) {
-      var w = (this.words[i] | 0) * num;
-      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
-      carry >>= 26;
-      carry += (w / 0x4000000) | 0;
-      // NOTE: lo is 27bit maximum
-      carry += lo >>> 26;
-      this.words[i] = lo & 0x3ffffff;
-    }
-
-    if (carry !== 0) {
-      this.words[i] = carry;
-      this.length++;
-    }
-
-    return this;
-  };
-
-  BN.prototype.muln = function muln (num) {
-    return this.clone().imuln(num);
-  };
-
-  // `this` * `this`
-  BN.prototype.sqr = function sqr () {
-    return this.mul(this);
-  };
-
-  // `this` * `this` in-place
-  BN.prototype.isqr = function isqr () {
-    return this.imul(this.clone());
-  };
-
-  // Math.pow(`this`, `num`)
-  BN.prototype.pow = function pow (num) {
-    var w = toBitArray(num);
-    if (w.length === 0) return new BN(1);
-
-    // Skip leading zeroes
-    var res = this;
-    for (var i = 0; i < w.length; i++, res = res.sqr()) {
-      if (w[i] !== 0) break;
-    }
-
-    if (++i < w.length) {
-      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
-        if (w[i] === 0) continue;
-
-        res = res.mul(q);
-      }
-    }
-
-    return res;
-  };
-
-  // Shift-left in-place
-  BN.prototype.iushln = function iushln (bits) {
-    assert(typeof bits === 'number' && bits >= 0);
-    var r = bits % 26;
-    var s = (bits - r) / 26;
-    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
-    var i;
-
-    if (r !== 0) {
-      var carry = 0;
-
-      for (i = 0; i < this.length; i++) {
-        var newCarry = this.words[i] & carryMask;
-        var c = ((this.words[i] | 0) - newCarry) << r;
-        this.words[i] = c | carry;
-        carry = newCarry >>> (26 - r);
-      }
-
-      if (carry) {
-        this.words[i] = carry;
-        this.length++;
-      }
-    }
-
-    if (s !== 0) {
-      for (i = this.length - 1; i >= 0; i--) {
-        this.words[i + s] = this.words[i];
-      }
-
-      for (i = 0; i < s; i++) {
-        this.words[i] = 0;
-      }
-
-      this.length += s;
-    }
-
-    return this.strip();
-  };
-
-  BN.prototype.ishln = function ishln (bits) {
-    // TODO(indutny): implement me
-    assert(this.negative === 0);
-    return this.iushln(bits);
-  };
-
-  // Shift-right in-place
-  // NOTE: `hint` is a lowest bit before trailing zeroes
-  // NOTE: if `extended` is present - it will be filled with destroyed bits
-  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
-    assert(typeof bits === 'number' && bits >= 0);
-    var h;
-    if (hint) {
-      h = (hint - (hint % 26)) / 26;
-    } else {
-      h = 0;
-    }
-
-    var r = bits % 26;
-    var s = Math.min((bits - r) / 26, this.length);
-    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
-    var maskedWords = extended;
-
-    h -= s;
-    h = Math.max(0, h);
-
-    // Extended mode, copy masked part
-    if (maskedWords) {
-      for (var i = 0; i < s; i++) {
-        maskedWords.words[i] = this.words[i];
-      }
-      maskedWords.length = s;
-    }
-
-    if (s === 0) {
-      // No-op, we should not move anything at all
-    } else if (this.length > s) {
-      this.length -= s;
-      for (i = 0; i < this.length; i++) {
-        this.words[i] = this.words[i + s];
-      }
-    } else {
-      this.words[0] = 0;
-      this.length = 1;
-    }
-
-    var carry = 0;
-    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
-      var word = this.words[i] | 0;
-      this.words[i] = (carry << (26 - r)) | (word >>> r);
-      carry = word & mask;
-    }
-
-    // Push carried bits as a mask
-    if (maskedWords && carry !== 0) {
-      maskedWords.words[maskedWords.length++] = carry;
-    }
-
-    if (this.length === 0) {
-      this.words[0] = 0;
-      this.length = 1;
-    }
-
-    return this.strip();
-  };
-
-  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
-    // TODO(indutny): implement me
-    assert(this.negative === 0);
-    return this.iushrn(bits, hint, extended);
-  };
-
-  // Shift-left
-  BN.prototype.shln = function shln (bits) {
-    return this.clone().ishln(bits);
-  };
-
-  BN.prototype.ushln = function ushln (bits) {
-    return this.clone().iushln(bits);
-  };
-
-  // Shift-right
-  BN.prototype.shrn = function shrn (bits) {
-    return this.clone().ishrn(bits);
-  };
-
-  BN.prototype.ushrn = function ushrn (bits) {
-    return this.clone().iushrn(bits);
-  };
-
-  // Test if n bit is set
-  BN.prototype.testn = function testn (bit) {
-    assert(typeof bit === 'number' && bit >= 0);
-    var r = bit % 26;
-    var s = (bit - r) / 26;
-    var q = 1 << r;
-
-    // Fast case: bit is much higher than all existing words
-    if (this.length <= s) return false;
-
-    // Check bit and return
-    var w = this.words[s];
-
-    return !!(w & q);
-  };
-
-  // Return only lowers bits of number (in-place)
-  BN.prototype.imaskn = function imaskn (bits) {
-    assert(typeof bits === 'number' && bits >= 0);
-    var r = bits % 26;
-    var s = (bits - r) / 26;
-
-    assert(this.negative === 0, 'imaskn works only with positive numbers');
-
-    if (this.length <= s) {
-      return this;
-    }
-
-    if (r !== 0) {
-      s++;
-    }
-    this.length = Math.min(s, this.length);
-
-    if (r !== 0) {
-      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
-      this.words[this.length - 1] &= mask;
-    }
-
-    return this.strip();
-  };
-
-  // Return only lowers bits of number
-  BN.prototype.maskn = function maskn (bits) {
-    return this.clone().imaskn(bits);
-  };
-
-  // Add plain number `num` to `this`
-  BN.prototype.iaddn = function iaddn (num) {
-    assert(typeof num === 'number');
-    assert(num < 0x4000000);
-    if (num < 0) return this.isubn(-num);
-
-    // Possible sign change
-    if (this.negative !== 0) {
-      if (this.length === 1 && (this.words[0] | 0) < num) {
-        this.words[0] = num - (this.words[0] | 0);
-        this.negative = 0;
-        return this;
-      }
-
-      this.negative = 0;
-      this.isubn(num);
-      this.negative = 1;
-      return this;
-    }
-
-    // Add without checks
-    return this._iaddn(num);
-  };
-
-  BN.prototype._iaddn = function _iaddn (num) {
-    this.words[0] += num;
-
-    // Carry
-    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
-      this.words[i] -= 0x4000000;
-      if (i === this.length - 1) {
-        this.words[i + 1] = 1;
-      } else {
-        this.words[i + 1]++;
-      }
-    }
-    this.length = Math.max(this.length, i + 1);
-
-    return this;
-  };
-
-  // Subtract plain number `num` from `this`
-  BN.prototype.isubn = function isubn (num) {
-    assert(typeof num === 'number');
-    assert(num < 0x4000000);
-    if (num < 0) return this.iaddn(-num);
-
-    if (this.negative !== 0) {
-      this.negative = 0;
-      this.iaddn(num);
-      this.negative = 1;
-      return this;
-    }
-
-    this.words[0] -= num;
-
-    if (this.length === 1 && this.words[0] < 0) {
-      this.words[0] = -this.words[0];
-      this.negative = 1;
-    } else {
-      // Carry
-      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
-        this.words[i] += 0x4000000;
-        this.words[i + 1] -= 1;
-      }
-    }
-
-    return this.strip();
-  };
-
-  BN.prototype.addn = function addn (num) {
-    return this.clone().iaddn(num);
-  };
-
-  BN.prototype.subn = function subn (num) {
-    return this.clone().isubn(num);
-  };
-
-  BN.prototype.iabs = function iabs () {
-    this.negative = 0;
-
-    return this;
-  };
-
-  BN.prototype.abs = function abs () {
-    return this.clone().iabs();
-  };
-
-  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
-    var len = num.length + shift;
-    var i;
-
-    this._expand(len);
-
-    var w;
-    var carry = 0;
-    for (i = 0; i < num.length; i++) {
-      w = (this.words[i + shift] | 0) + carry;
-      var right = (num.words[i] | 0) * mul;
-      w -= right & 0x3ffffff;
-      carry = (w >> 26) - ((right / 0x4000000) | 0);
-      this.words[i + shift] = w & 0x3ffffff;
-    }
-    for (; i < this.length - shift; i++) {
-      w = (this.words[i + shift] | 0) + carry;
-      carry = w >> 26;
-      this.words[i + shift] = w & 0x3ffffff;
-    }
-
-    if (carry === 0) return this.strip();
-
-    // Subtraction overflow
-    assert(carry === -1);
-    carry = 0;
-    for (i = 0; i < this.length; i++) {
-      w = -(this.words[i] | 0) + carry;
-      carry = w >> 26;
-      this.words[i] = w & 0x3ffffff;
-    }
-    this.negative = 1;
-
-    return this.strip();
-  };
-
-  BN.prototype._wordDiv = function _wordDiv (num, mode) {
-    var shift = this.length - num.length;
-
-    var a = this.clone();
-    var b = num;
-
-    // Normalize
-    var bhi = b.words[b.length - 1] | 0;
-    var bhiBits = this._countBits(bhi);
-    shift = 26 - bhiBits;
-    if (shift !== 0) {
-      b = b.ushln(shift);
-      a.iushln(shift);
-      bhi = b.words[b.length - 1] | 0;
-    }
-
-    // Initialize quotient
-    var m = a.length - b.length;
-    var q;
-
-    if (mode !== 'mod') {
-      q = new BN(null);
-      q.length = m + 1;
-      q.words = new Array(q.length);
-      for (var i = 0; i < q.length; i++) {
-        q.words[i] = 0;
-      }
-    }
-
-    var diff = a.clone()._ishlnsubmul(b, 1, m);
-    if (diff.negative === 0) {
-      a = diff;
-      if (q) {
-        q.words[m] = 1;
-      }
-    }
-
-    for (var j = m - 1; j >= 0; j--) {
-      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
-        (a.words[b.length + j - 1] | 0);
-
-      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
-      // (0x7ffffff)
-      qj = Math.min((qj / bhi) | 0, 0x3ffffff);
-
-      a._ishlnsubmul(b, qj, j);
-      while (a.negative !== 0) {
-        qj--;
-        a.negative = 0;
-        a._ishlnsubmul(b, 1, j);
-        if (!a.isZero()) {
-          a.negative ^= 1;
-        }
-      }
-      if (q) {
-        q.words[j] = qj;
-      }
-    }
-    if (q) {
-      q.strip();
-    }
-    a.strip();
-
-    // Denormalize
-    if (mode !== 'div' && shift !== 0) {
-      a.iushrn(shift);
-    }
-
-    return {
-      div: q || null,
-      mod: a
-    };
-  };
-
-  // NOTE: 1) `mode` can be set to `mod` to request mod only,
-  //       to `div` to request div only, or be absent to
-  //       request both div & mod
-  //       2) `positive` is true if unsigned mod is requested
-  BN.prototype.divmod = function divmod (num, mode, positive) {
-    assert(!num.isZero());
-
-    if (this.isZero()) {
-      return {
-        div: new BN(0),
-        mod: new BN(0)
-      };
-    }
-
-    var div, mod, res;
-    if (this.negative !== 0 && num.negative === 0) {
-      res = this.neg().divmod(num, mode);
-
-      if (mode !== 'mod') {
-        div = res.div.neg();
-      }
-
-      if (mode !== 'div') {
-        mod = res.mod.neg();
-        if (positive && mod.negative !== 0) {
-          mod.iadd(num);
-        }
-      }
-
-      return {
-        div: div,
-        mod: mod
-      };
-    }
-
-    if (this.negative === 0 && num.negative !== 0) {
-      res = this.divmod(num.neg(), mode);
-
-      if (mode !== 'mod') {
-        div = res.div.neg();
-      }
-
-      return {
-        div: div,
-        mod: res.mod
-      };
-    }
-
-    if ((this.negative & num.negative) !== 0) {
-      res = this.neg().divmod(num.neg(), mode);
-
-      if (mode !== 'div') {
-        mod = res.mod.neg();
-        if (positive && mod.negative !== 0) {
-          mod.isub(num);
-        }
-      }
-
-      return {
-        div: res.div,
-        mod: mod
-      };
-    }
-
-    // Both numbers are positive at this point
-
-    // Strip both numbers to approximate shift value
-    if (num.length > this.length || this.cmp(num) < 0) {
-      return {
-        div: new BN(0),
-        mod: this
-      };
-    }
-
-    // Very short reduction
-    if (num.length === 1) {
-      if (mode === 'div') {
-        return {
-          div: this.divn(num.words[0]),
-          mod: null
-        };
-      }
-
-      if (mode === 'mod') {
-        return {
-          div: null,
-          mod: new BN(this.modn(num.words[0]))
-        };
-      }
-
-      return {
-        div: this.divn(num.words[0]),
-        mod: new BN(this.modn(num.words[0]))
-      };
-    }
-
-    return this._wordDiv(num, mode);
-  };
-
-  // Find `this` / `num`
-  BN.prototype.div = function div (num) {
-    return this.divmod(num, 'div', false).div;
-  };
-
-  // Find `this` % `num`
-  BN.prototype.mod = function mod (num) {
-    return this.divmod(num, 'mod', false).mod;
-  };
-
-  BN.prototype.umod = function umod (num) {
-    return this.divmod(num, 'mod', true).mod;
-  };
-
-  // Find Round(`this` / `num`)
-  BN.prototype.divRound = function divRound (num) {
-    var dm = this.divmod(num);
-
-    // Fast case - exact division
-    if (dm.mod.isZero()) return dm.div;
-
-    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
-
-    var half = num.ushrn(1);
-    var r2 = num.andln(1);
-    var cmp = mod.cmp(half);
-
-    // Round down
-    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
-
-    // Round up
-    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
-  };
-
-  BN.prototype.modn = function modn (num) {
-    assert(num <= 0x3ffffff);
-    var p = (1 << 26) % num;
-
-    var acc = 0;
-    for (var i = this.length - 1; i >= 0; i--) {
-      acc = (p * acc + (this.words[i] | 0)) % num;
-    }
-
-    return acc;
-  };
-
-  // In-place division by number
-  BN.prototype.idivn = function idivn (num) {
-    assert(num <= 0x3ffffff);
-
-    var carry = 0;
-    for (var i = this.length - 1; i >= 0; i--) {
-      var w = (this.words[i] | 0) + carry * 0x4000000;
-      this.words[i] = (w / num) | 0;
-      carry = w % num;
-    }
-
-    return this.strip();
-  };
-
-  BN.prototype.divn = function divn (num) {
-    return this.clone().idivn(num);
-  };
-
-  BN.prototype.egcd = function egcd (p) {
-    assert(p.negative === 0);
-    assert(!p.isZero());
-
-    var x = this;
-    var y = p.clone();
-
-    if (x.negative !== 0) {
-      x = x.umod(p);
-    } else {
-      x = x.clone();
-    }
-
-    // A * x + B * y = x
-    var A = new BN(1);
-    var B = new BN(0);
-
-    // C * x + D * y = y
-    var C = new BN(0);
-    var D = new BN(1);
-
-    var g = 0;
-
-    while (x.isEven() && y.isEven()) {
-      x.iushrn(1);
-      y.iushrn(1);
-      ++g;
-    }
-
-    var yp = y.clone();
-    var xp = x.clone();
-
-    while (!x.isZero()) {
-      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
-      if (i > 0) {
-        x.iushrn(i);
-        while (i-- > 0) {
-          if (A.isOdd() || B.isOdd()) {
-            A.iadd(yp);
-            B.isub(xp);
-          }
-
-          A.iushrn(1);
-          B.iushrn(1);
-        }
-      }
-
-      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
-      if (j > 0) {
-        y.iushrn(j);
-        while (j-- > 0) {
-          if (C.isOdd() || D.isOdd()) {
-            C.iadd(yp);
-            D.isub(xp);
-          }
-
-          C.iushrn(1);
-          D.iushrn(1);
-        }
-      }
-
-      if (x.cmp(y) >= 0) {
-        x.isub(y);
-        A.isub(C);
-        B.isub(D);
-      } else {
-        y.isub(x);
-        C.isub(A);
-        D.isub(B);
-      }
-    }
-
-    return {
-      a: C,
-      b: D,
-      gcd: y.iushln(g)
-    };
-  };
-
-  // This is reduced incarnation of the binary EEA
-  // above, designated to invert members of the
-  // _prime_ fields F(p) at a maximal speed
-  BN.prototype._invmp = function _invmp (p) {
-    assert(p.negative === 0);
-    assert(!p.isZero());
-
-    var a = this;
-    var b = p.clone();
-
-    if (a.negative !== 0) {
-      a = a.umod(p);
-    } else {
-      a = a.clone();
-    }
-
-    var x1 = new BN(1);
-    var x2 = new BN(0);
-
-    var delta = b.clone();
-
-    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
-      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
-      if (i > 0) {
-        a.iushrn(i);
-        while (i-- > 0) {
-          if (x1.isOdd()) {
-            x1.iadd(delta);
-          }
-
-          x1.iushrn(1);
-        }
-      }
-
-      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
-      if (j > 0) {
-        b.iushrn(j);
-        while (j-- > 0) {
-          if (x2.isOdd()) {
-            x2.iadd(delta);
-          }
-
-          x2.iushrn(1);
-        }
-      }
-
-      if (a.cmp(b) >= 0) {
-        a.isub(b);
-        x1.isub(x2);
-      } else {
-        b.isub(a);
-        x2.isub(x1);
-      }
-    }
-
-    var res;
-    if (a.cmpn(1) === 0) {
-      res = x1;
-    } else {
-      res = x2;
-    }
-
-    if (res.cmpn(0) < 0) {
-      res.iadd(p);
-    }
-
-    return res;
-  };
-
-  BN.prototype.gcd = function gcd (num) {
-    if (this.isZero()) return num.abs();
-    if (num.isZero()) return this.abs();
-
-    var a = this.clone();
-    var b = num.clone();
-    a.negative = 0;
-    b.negative = 0;
-
-    // Remove common factor of two
-    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
-      a.iushrn(1);
-      b.iushrn(1);
-    }
-
-    do {
-      while (a.isEven()) {
-        a.iushrn(1);
-      }
-      while (b.isEven()) {
-        b.iushrn(1);
-      }
-
-      var r = a.cmp(b);
-      if (r < 0) {
-        // Swap `a` and `b` to make `a` always bigger than `b`
-        var t = a;
-        a = b;
-        b = t;
-      } else if (r === 0 || b.cmpn(1) === 0) {
-        break;
-      }
-
-      a.isub(b);
-    } while (true);
-
-    return b.iushln(shift);
-  };
-
-  // Invert number in the field F(num)
-  BN.prototype.invm = function invm (num) {
-    return this.egcd(num).a.umod(num);
-  };
-
-  BN.prototype.isEven = function isEven () {
-    return (this.words[0] & 1) === 0;
-  };
-
-  BN.prototype.isOdd = function isOdd () {
-    return (this.words[0] & 1) === 1;
-  };
-
-  // And first word and num
-  BN.prototype.andln = function andln (num) {
-    return this.words[0] & num;
-  };
-
-  // Increment at the bit position in-line
-  BN.prototype.bincn = function bincn (bit) {
-    assert(typeof bit === 'number');
-    var r = bit % 26;
-    var s = (bit - r) / 26;
-    var q = 1 << r;
-
-    // Fast case: bit is much higher than all existing words
-    if (this.length <= s) {
-      this._expand(s + 1);
-      this.words[s] |= q;
-      return this;
-    }
-
-    // Add bit and propagate, if needed
-    var carry = q;
-    for (var i = s; carry !== 0 && i < this.length; i++) {
-      var w = this.words[i] | 0;
-      w += carry;
-      carry = w >>> 26;
-      w &= 0x3ffffff;
-      this.words[i] = w;
-    }
-    if (carry !== 0) {
-      this.words[i] = carry;
-      this.length++;
-    }
-    return this;
-  };
-
-  BN.prototype.isZero = function isZero () {
-    return this.length === 1 && this.words[0] === 0;
-  };
-
-  BN.prototype.cmpn = function cmpn (num) {
-    var negative = num < 0;
-
-    if (this.negative !== 0 && !negative) return -1;
-    if (this.negative === 0 && negative) return 1;
-
-    this.strip();
-
-    var res;
-    if (this.length > 1) {
-      res = 1;
-    } else {
-      if (negative) {
-        num = -num;
-      }
-
-      assert(num <= 0x3ffffff, 'Number is too big');
-
-      var w = this.words[0] | 0;
-      res = w === num ? 0 : w < num ? -1 : 1;
-    }
-    if (this.negative !== 0) return -res | 0;
-    return res;
-  };
-
-  // Compare two numbers and return:
-  // 1 - if `this` > `num`
-  // 0 - if `this` == `num`
-  // -1 - if `this` < `num`
-  BN.prototype.cmp = function cmp (num) {
-    if (this.negative !== 0 && num.negative === 0) return -1;
-    if (this.negative === 0 && num.negative !== 0) return 1;
-
-    var res = this.ucmp(num);
-    if (this.negative !== 0) return -res | 0;
-    return res;
-  };
-
-  // Unsigned comparison
-  BN.prototype.ucmp = function ucmp (num) {
-    // At this point both numbers have the same sign
-    if (this.length > num.length) return 1;
-    if (this.length < num.length) return -1;
-
-    var res = 0;
-    for (var i = this.length - 1; i >= 0; i--) {
-      var a = this.words[i] | 0;
-      var b = num.words[i] | 0;
-
-      if (a === b) continue;
-      if (a < b) {
-        res = -1;
-      } else if (a > b) {
-        res = 1;
-      }
-      break;
-    }
-    return res;
-  };
-
-  BN.prototype.gtn = function gtn (num) {
-    return this.cmpn(num) === 1;
-  };
-
-  BN.prototype.gt = function gt (num) {
-    return this.cmp(num) === 1;
-  };
-
-  BN.prototype.gten = function gten (num) {
-    return this.cmpn(num) >= 0;
-  };
-
-  BN.prototype.gte = function gte (num) {
-    return this.cmp(num) >= 0;
-  };
-
-  BN.prototype.ltn = function ltn (num) {
-    return this.cmpn(num) === -1;
-  };
-
-  BN.prototype.lt = function lt (num) {
-    return this.cmp(num) === -1;
-  };
-
-  BN.prototype.lten = function lten (num) {
-    return this.cmpn(num) <= 0;
-  };
-
-  BN.prototype.lte = function lte (num) {
-    return this.cmp(num) <= 0;
-  };
-
-  BN.prototype.eqn = function eqn (num) {
-    return this.cmpn(num) === 0;
-  };
-
-  BN.prototype.eq = function eq (num) {
-    return this.cmp(num) === 0;
-  };
-
-  //
-  // A reduce context, could be using montgomery or something better, depending
-  // on the `m` itself.
-  //
-  BN.red = function red (num) {
-    return new Red(num);
-  };
-
-  BN.prototype.toRed = function toRed (ctx) {
-    assert(!this.red, 'Already a number in reduction context');
-    assert(this.negative === 0, 'red works only with positives');
-    return ctx.convertTo(this)._forceRed(ctx);
-  };
-
-  BN.prototype.fromRed = function fromRed () {
-    assert(this.red, 'fromRed works only with numbers in reduction context');
-    return this.red.convertFrom(this);
-  };
-
-  BN.prototype._forceRed = function _forceRed (ctx) {
-    this.red = ctx;
-    return this;
-  };
-
-  BN.prototype.forceRed = function forceRed (ctx) {
-    assert(!this.red, 'Already a number in reduction context');
-    return this._forceRed(ctx);
-  };
-
-  BN.prototype.redAdd = function redAdd (num) {
-    assert(this.red, 'redAdd works only with red numbers');
-    return this.red.add(this, num);
-  };
-
-  BN.prototype.redIAdd = function redIAdd (num) {
-    assert(this.red, 'redIAdd works only with red numbers');
-    return this.red.iadd(this, num);
-  };
-
-  BN.prototype.redSub = function redSub (num) {
-    assert(this.red, 'redSub works only with red numbers');
-    return this.red.sub(this, num);
-  };
-
-  BN.prototype.redISub = function redISub (num) {
-    assert(this.red, 'redISub works only with red numbers');
-    return this.red.isub(this, num);
-  };
-
-  BN.prototype.redShl = function redShl (num) {
-    assert(this.red, 'redShl works only with red numbers');
-    return this.red.shl(this, num);
-  };
-
-  BN.prototype.redMul = function redMul (num) {
-    assert(this.red, 'redMul works only with red numbers');
-    this.red._verify2(this, num);
-    return this.red.mul(this, num);
-  };
-
-  BN.prototype.redIMul = function redIMul (num) {
-    assert(this.red, 'redMul works only with red numbers');
-    this.red._verify2(this, num);
-    return this.red.imul(this, num);
-  };
-
-  BN.prototype.redSqr = function redSqr () {
-    assert(this.red, 'redSqr works only with red numbers');
-    this.red._verify1(this);
-    return this.red.sqr(this);
-  };
-
-  BN.prototype.redISqr = function redISqr () {
-    assert(this.red, 'redISqr works only with red numbers');
-    this.red._verify1(this);
-    return this.red.isqr(this);
-  };
-
-  // Square root over p
-  BN.prototype.redSqrt = function redSqrt () {
-    assert(this.red, 'redSqrt works only with red numbers');
-    this.red._verify1(this);
-    return this.red.sqrt(this);
-  };
-
-  BN.prototype.redInvm = function redInvm () {
-    assert(this.red, 'redInvm works only with red numbers');
-    this.red._verify1(this);
-    return this.red.invm(this);
-  };
-
-  // Return negative clone of `this` % `red modulo`
-  BN.prototype.redNeg = function redNeg () {
-    assert(this.red, 'redNeg works only with red numbers');
-    this.red._verify1(this);
-    return this.red.neg(this);
-  };
-
-  BN.prototype.redPow = function redPow (num) {
-    assert(this.red && !num.red, 'redPow(normalNum)');
-    this.red._verify1(this);
-    return this.red.pow(this, num);
-  };
-
-  // Prime numbers with efficient reduction
-  var primes = {
-    k256: null,
-    p224: null,
-    p192: null,
-    p25519: null
-  };
-
-  // Pseudo-Mersenne prime
-  function MPrime (name, p) {
-    // P = 2 ^ N - K
-    this.name = name;
-    this.p = new BN(p, 16);
-    this.n = this.p.bitLength();
-    this.k = new BN(1).iushln(this.n).isub(this.p);
-
-    this.tmp = this._tmp();
-  }
-
-  MPrime.prototype._tmp = function _tmp () {
-    var tmp = new BN(null);
-    tmp.words = new Array(Math.ceil(this.n / 13));
-    return tmp;
-  };
-
-  MPrime.prototype.ireduce = function ireduce (num) {
-    // Assumes that `num` is less than `P^2`
-    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
-    var r = num;
-    var rlen;
-
-    do {
-      this.split(r, this.tmp);
-      r = this.imulK(r);
-      r = r.iadd(this.tmp);
-      rlen = r.bitLength();
-    } while (rlen > this.n);
-
-    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
-    if (cmp === 0) {
-      r.words[0] = 0;
-      r.length = 1;
-    } else if (cmp > 0) {
-      r.isub(this.p);
-    } else {
-      r.strip();
-    }
-
-    return r;
-  };
-
-  MPrime.prototype.split = function split (input, out) {
-    input.iushrn(this.n, 0, out);
-  };
-
-  MPrime.prototype.imulK = function imulK (num) {
-    return num.imul(this.k);
-  };
-
-  function K256 () {
-    MPrime.call(
-      this,
-      'k256',
-      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
-  }
-  inherits(K256, MPrime);
-
-  K256.prototype.split = function split (input, output) {
-    // 256 = 9 * 26 + 22
-    var mask = 0x3fffff;
-
-    var outLen = Math.min(input.length, 9);
-    for (var i = 0; i < outLen; i++) {
-      output.words[i] = input.words[i];
-    }
-    output.length = outLen;
-
-    if (input.length <= 9) {
-      input.words[0] = 0;
-      input.length = 1;
-      return;
-    }
-
-    // Shift by 9 limbs
-    var prev = input.words[9];
-    output.words[output.length++] = prev & mask;
-
-    for (i = 10; i < input.length; i++) {
-      var next = input.words[i] | 0;
-      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
-      prev = next;
-    }
-    prev >>>= 22;
-    input.words[i - 10] = prev;
-    if (prev === 0 && input.length > 10) {
-      input.length -= 10;
-    } else {
-      input.length -= 9;
-    }
-  };
-
-  K256.prototype.imulK = function imulK (num) {
-    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
-    num.words[num.length] = 0;
-    num.words[num.length + 1] = 0;
-    num.length += 2;
-
-    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
-    var lo = 0;
-    for (var i = 0; i < num.length; i++) {
-      var w = num.words[i] | 0;
-      lo += w * 0x3d1;
-      num.words[i] = lo & 0x3ffffff;
-      lo = w * 0x40 + ((lo / 0x4000000) | 0);
-    }
-
-    // Fast length reduction
-    if (num.words[num.length - 1] === 0) {
-      num.length--;
-      if (num.words[num.length - 1] === 0) {
-        num.length--;
-      }
-    }
-    return num;
-  };
-
-  function P224 () {
-    MPrime.call(
-      this,
-      'p224',
-      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
-  }
-  inherits(P224, MPrime);
-
-  function P192 () {
-    MPrime.call(
-      this,
-      'p192',
-      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
-  }
-  inherits(P192, MPrime);
-
-  function P25519 () {
-    // 2 ^ 255 - 19
-    MPrime.call(
-      this,
-      '25519',
-      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
-  }
-  inherits(P25519, MPrime);
-
-  P25519.prototype.imulK = function imulK (num) {
-    // K = 0x13
-    var carry = 0;
-    for (var i = 0; i < num.length; i++) {
-      var hi = (num.words[i] | 0) * 0x13 + carry;
-      var lo = hi & 0x3ffffff;
-      hi >>>= 26;
-
-      num.words[i] = lo;
-      carry = hi;
-    }
-    if (carry !== 0) {
-      num.words[num.length++] = carry;
-    }
-    return num;
-  };
-
-  // Exported mostly for testing purposes, use plain name instead
-  BN._prime = function prime (name) {
-    // Cached version of prime
-    if (primes[name]) return primes[name];
-
-    var prime;
-    if (name === 'k256') {
-      prime = new K256();
-    } else if (name === 'p224') {
-      prime = new P224();
-    } else if (name === 'p192') {
-      prime = new P192();
-    } else if (name === 'p25519') {
-      prime = new P25519();
-    } else {
-      throw new Error('Unknown prime ' + name);
-    }
-    primes[name] = prime;
-
-    return prime;
-  };
-
-  //
-  // Base reduction engine
-  //
-  function Red (m) {
-    if (typeof m === 'string') {
-      var prime = BN._prime(m);
-      this.m = prime.p;
-      this.prime = prime;
-    } else {
-      assert(m.gtn(1), 'modulus must be greater than 1');
-      this.m = m;
-      this.prime = null;
-    }
-  }
-
-  Red.prototype._verify1 = function _verify1 (a) {
-    assert(a.negative === 0, 'red works only with positives');
-    assert(a.red, 'red works only with red numbers');
-  };
-
-  Red.prototype._verify2 = function _verify2 (a, b) {
-    assert((a.negative | b.negative) === 0, 'red works only with positives');
-    assert(a.red && a.red === b.red,
-      'red works only with red numbers');
-  };
-
-  Red.prototype.imod = function imod (a) {
-    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
-    return a.umod(this.m)._forceRed(this);
-  };
-
-  Red.prototype.neg = function neg (a) {
-    if (a.isZero()) {
-      return a.clone();
-    }
-
-    return this.m.sub(a)._forceRed(this);
-  };
-
-  Red.prototype.add = function add (a, b) {
-    this._verify2(a, b);
-
-    var res = a.add(b);
-    if (res.cmp(this.m) >= 0) {
-      res.isub(this.m);
-    }
-    return res._forceRed(this);
-  };
-
-  Red.prototype.iadd = function iadd (a, b) {
-    this._verify2(a, b);
-
-    var res = a.iadd(b);
-    if (res.cmp(this.m) >= 0) {
-      res.isub(this.m);
-    }
-    return res;
-  };
-
-  Red.prototype.sub = function sub (a, b) {
-    this._verify2(a, b);
-
-    var res = a.sub(b);
-    if (res.cmpn(0) < 0) {
-      res.iadd(this.m);
-    }
-    return res._forceRed(this);
-  };
-
-  Red.prototype.isub = function isub (a, b) {
-    this._verify2(a, b);
-
-    var res = a.isub(b);
-    if (res.cmpn(0) < 0) {
-      res.iadd(this.m);
-    }
-    return res;
-  };
-
-  Red.prototype.shl = function shl (a, num) {
-    this._verify1(a);
-    return this.imod(a.ushln(num));
-  };
-
-  Red.prototype.imul = function imul (a, b) {
-    this._verify2(a, b);
-    return this.imod(a.imul(b));
-  };
-
-  Red.prototype.mul = function mul (a, b) {
-    this._verify2(a, b);
-    return this.imod(a.mul(b));
-  };
-
-  Red.prototype.isqr = function isqr (a) {
-    return this.imul(a, a.clone());
-  };
-
-  Red.prototype.sqr = function sqr (a) {
-    return this.mul(a, a);
-  };
-
-  Red.prototype.sqrt = function sqrt (a) {
-    if (a.isZero()) return a.clone();
-
-    var mod3 = this.m.andln(3);
-    assert(mod3 % 2 === 1);
-
-    // Fast case
-    if (mod3 === 3) {
-      var pow = this.m.add(new BN(1)).iushrn(2);
-      return this.pow(a, pow);
-    }
-
-    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
-    //
-    // Find Q and S, that Q * 2 ^ S = (P - 1)
-    var q = this.m.subn(1);
-    var s = 0;
-    while (!q.isZero() && q.andln(1) === 0) {
-      s++;
-      q.iushrn(1);
-    }
-    assert(!q.isZero());
-
-    var one = new BN(1).toRed(this);
-    var nOne = one.redNeg();
-
-    // Find quadratic non-residue
-    // NOTE: Max is such because of generalized Riemann hypothesis.
-    var lpow = this.m.subn(1).iushrn(1);
-    var z = this.m.bitLength();
-    z = new BN(2 * z * z).toRed(this);
-
-    while (this.pow(z, lpow).cmp(nOne) !== 0) {
-      z.redIAdd(nOne);
-    }
-
-    var c = this.pow(z, q);
-    var r = this.pow(a, q.addn(1).iushrn(1));
-    var t = this.pow(a, q);
-    var m = s;
-    while (t.cmp(one) !== 0) {
-      var tmp = t;
-      for (var i = 0; tmp.cmp(one) !== 0; i++) {
-        tmp = tmp.redSqr();
-      }
-      assert(i < m);
-      var b = this.pow(c, new BN(1).iushln(m - i - 1));
-
-      r = r.redMul(b);
-      c = b.redSqr();
-      t = t.redMul(c);
-      m = i;
-    }
-
-    return r;
-  };
-
-  Red.prototype.invm = function invm (a) {
-    var inv = a._invmp(this.m);
-    if (inv.negative !== 0) {
-      inv.negative = 0;
-      return this.imod(inv).redNeg();
-    } else {
-      return this.imod(inv);
-    }
-  };
-
-  Red.prototype.pow = function pow (a, num) {
-    if (num.isZero()) return new BN(1).toRed(this);
-    if (num.cmpn(1) === 0) return a.clone();
-
-    var windowSize = 4;
-    var wnd = new Array(1 << windowSize);
-    wnd[0] = new BN(1).toRed(this);
-    wnd[1] = a;
-    for (var i = 2; i < wnd.length; i++) {
-      wnd[i] = this.mul(wnd[i - 1], a);
-    }
-
-    var res = wnd[0];
-    var current = 0;
-    var currentLen = 0;
-    var start = num.bitLength() % 26;
-    if (start === 0) {
-      start = 26;
-    }
-
-    for (i = num.length - 1; i >= 0; i--) {
-      var word = num.words[i];
-      for (var j = start - 1; j >= 0; j--) {
-        var bit = (word >> j) & 1;
-        if (res !== wnd[0]) {
-          res = this.sqr(res);
-        }
-
-        if (bit === 0 && current === 0) {
-          currentLen = 0;
-          continue;
-        }
-
-        current <<= 1;
-        current |= bit;
-        currentLen++;
-        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
-
-        res = this.mul(res, wnd[current]);
-        currentLen = 0;
-        current = 0;
-      }
-      start = 26;
-    }
-
-    return res;
-  };
-
-  Red.prototype.convertTo = function convertTo (num) {
-    var r = num.umod(this.m);
-
-    return r === num ? r.clone() : r;
-  };
-
-  Red.prototype.convertFrom = function convertFrom (num) {
-    var res = num.clone();
-    res.red = null;
-    return res;
-  };
-
-  //
-  // Montgomery method engine
-  //
-
-  BN.mont = function mont (num) {
-    return new Mont(num);
-  };
-
-  function Mont (m) {
-    Red.call(this, m);
-
-    this.shift = this.m.bitLength();
-    if (this.shift % 26 !== 0) {
-      this.shift += 26 - (this.shift % 26);
-    }
-
-    this.r = new BN(1).iushln(this.shift);
-    this.r2 = this.imod(this.r.sqr());
-    this.rinv = this.r._invmp(this.m);
-
-    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
-    this.minv = this.minv.umod(this.r);
-    this.minv = this.r.sub(this.minv);
-  }
-  inherits(Mont, Red);
-
-  Mont.prototype.convertTo = function convertTo (num) {
-    return this.imod(num.ushln(this.shift));
-  };
-
-  Mont.prototype.convertFrom = function convertFrom (num) {
-    var r = this.imod(num.mul(this.rinv));
-    r.red = null;
-    return r;
-  };
-
-  Mont.prototype.imul = function imul (a, b) {
-    if (a.isZero() || b.isZero()) {
-      a.words[0] = 0;
-      a.length = 1;
-      return a;
-    }
-
-    var t = a.imul(b);
-    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
-    var u = t.isub(c).iushrn(this.shift);
-    var res = u;
-
-    if (u.cmp(this.m) >= 0) {
-      res = u.isub(this.m);
-    } else if (u.cmpn(0) < 0) {
-      res = u.iadd(this.m);
-    }
-
-    return res._forceRed(this);
-  };
-
-  Mont.prototype.mul = function mul (a, b) {
-    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
-
-    var t = a.mul(b);
-    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
-    var u = t.isub(c).iushrn(this.shift);
-    var res = u;
-    if (u.cmp(this.m) >= 0) {
-      res = u.isub(this.m);
-    } else if (u.cmpn(0) < 0) {
-      res = u.iadd(this.m);
-    }
-
-    return res._forceRed(this);
-  };
-
-  Mont.prototype.invm = function invm (a) {
-    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
-    var res = this.imod(a._invmp(this.m).mul(this.r2));
-    return res._forceRed(this);
-  };
-})('object' === 'undefined' || module, commonjsGlobal);
-});
-
-
-
-var bn$3 = Object.freeze({
-	default: bn$1,
-	__moduleExports: bn$1
-});
-
-var bnjs = ( bn$3 && bn$1 ) || bn$3;
-
-'use strict';
-
-/*
- * Utility methods
- */
-
-//var bn = require('bignum');
-
-
-var raku = [
-  3077398253,
-  3995603712,
-  2243735041,
-  1261992695
-];
-
-var prefix$1 = "dozmarbinwansamlitsighidfidlissogdirwacsabwissibrigsoldopmodfoglidhopdardorlorhodfolrintogsilmirholpaslacrovlivdalsatlibtabhanticpidtorbolfosdotlosdilforpilramtirwintadbicdifrocwidbisdasmidloprilnardapmolsanlocnovsitnidtipsicropwitnatpanminritpodmottamtolsavposnapnopsomfinfonbanmorworsipronnorbotwicsocwatdolmagpicdavbidbaltimtasmalligsivtagpadsaldivdactansidfabtarmonranniswolmispallasdismaprabtobrollatlonnodnavfignomnibpagsopralbilhaddocridmocpacravripfaltodtiltinhapmicfanpattaclabmogsimsonpinlomrictapfirhasbosbatpochactidhavsaplindibhosdabbitbarracparloddosbortochilmactomdigfilfasmithobharmighinradmashalraglagfadtopmophabnilnosmilfopfamdatnoldinhatnacrisfotribhocnimlarfitwalrapsarnalmoslandondanladdovrivbacpollaptalpitnambonrostonfodponsovnocsorlavmatmipfip";
-
-var suffix$1 = "zodnecbudwessevpersutletfulpensytdurwepserwylsunrypsyxdyrnuphebpeglupdepdysputlughecryttyvsydnexlunmeplutseppesdelsulpedtemledtulmetwenbynhexfebpyldulhetmevruttylwydtepbesdexsefwycburderneppurrysrebdennutsubpetrulsynregtydsupsemwynrecmegnetsecmulnymtevwebsummutnyxrextebfushepbenmuswyxsymselrucdecwexsyrwetdylmynmesdetbetbeltuxtugmyrpelsyptermebsetdutdegtexsurfeltudnuxruxrenwytnubmedlytdusnebrumtynseglyxpunresredfunrevrefmectedrusbexlebduxrynnumpyxrygryxfeptyrtustyclegnemfermertenlusnussyltecmexpubrymtucfyllepdebbermughuttunbylsudpemdevlurdefbusbeprunmelpexdytbyttyplevmylwedducfurfexnulluclennerlexrupnedlecrydlydfenwelnydhusrelrudneshesfetdesretdunlernyrsebhulrylludremlysfynwerrycsugnysnyllyndyndemluxfedsedbecmunlyrtesmudnytbyrsenwegfyrmurtelreptegpecnelnevfes";
-
-var getsyllable = function(s, i) {
-  return s.slice(i * 3, (i * 3) + 3);
-};
-
-var getprefix = function(i) {
-  return getsyllable(prefix$1, i);
-};
-
-var getsuffix = function(i) {
-  return getsyllable(suffix$1, i);
-};
-
-var getsyllableindex = function(str, syl) {
-  var i = str.indexOf(syl);
-  if (i < 0) {
-    return;
-  }
-  return i / 3
-};
-
-var getprefixindex = function(syl) {
-  return getsyllableindex(prefix$1, syl);
-};
-  
-var getsuffixindex = function(syl) {
-  return getsyllableindex(suffix$1, syl);
-};
-
-var wordtonum = function(word) {
-    if (word.length == 3) {
-      return 1 * getsuffixindex(word);
-    } else if (word.length == 6) {
-      var addr = getprefixindex(word.slice(0, 2));
-      addr = addr * 0x100;
-      addr = addr + getsuffixindex(word.slice(3, 5));
-      return addr;
-    } else {
-      return;
-    }
-};
-
-var feen = function(pyn) {
-  var f = 4294967295;
-  if (pyn >= 0x10000 && pyn <= 0xFFFFFFFF) {
-    var tmp = fice(pyn - 0x10000) + 0x10000;
-    return tmp;
-  }
-  if (pyn >= 0x100000000 && pyn <= 0xffffffffffffffff) {
-    var pynBn = new bnjs(pyn);
-    var lo = pynBn.and(f);
-    var hi = pynBn.and('18446744069414584000');
-    return hi.or(feen(lo)).toNumber();
-  }
-  return pyn;
-};
-
-var fend = function(cry) {
-  if (cry >= 0x10000 && cry <= 0xFFFFFFFF) {
-    var res = new bnjs(teil(cry - 0x10000));
-    res = res.add(new bnjs(65536)).toNumber();
-    return res;
-  }
-  if (cry >= 0x100000000 && cry <= bn(0xffffffffffffffff)) {
-    var cryBn = new bnjs(cry);
-    var lo = cryBn.and(new bnjs('0xFFFFFFFF'));
-    var hi = cryBn.and(new bnjs('0xffffffff00000000'));
-    var res = hi.or(fend(lo));
-    return res.toNumber();
-  }
-  return cry;
-};
-
-var fice = function(nor) {
-  var sel = [
-    nor % 65535,
-    nor / 65535
-  ];
-  for (var i = 0; i < 4; i++) {
-    sel = rynd(i, sel[0], sel[1]);
-  }
-
-  var res = 65535 * sel[0] + sel[1];
-  return res;
-};
-
-var teil = function(vip) {
-  var sel = [
-    vip % 65535,
-    vip / 65535
-    //vip % 0xFFFF,
-    //vip / 0x10000
-  ];
-  // maybe the for loops got borked in lua conversion
-  for (var i = 3; i > -1; i--) {
-    sel = rund(i, sel[0], sel[1]);
-  }
-  //var res = bn(bn(0xFFFF).mul(sel[0])).add(sel[1]);
-  var r1 = new bnjs(65535);
-  var res = r1.mul(new bnjs(sel[0])).add(new bnjs(sel[1]));
-  return res.toNumber();
-};
-
-var rynd = function(n, l, r) {
-  l = Math.floor(l);
-  var res = [r, 0];
-  var m = new bnjs(65536);
-  if (n % 2 == 0) {
-    m = new bnjs(65535);
-  }
-  //res[1] = (bn(muk(raku[n], 2, r)).add(l)) % m;
-  var r1 = new bnjs(muk(raku[n], 2, r));
-  var r2 = r1.add(new bnjs(l)).mod(m);
-  res[1] = r2.toNumber();
-  return res
-};
-
-var rund = function(n, l, r) {
-  l = Math.floor(l);
-  var res = [r, 0];
-  var m = new bnjs(65536);
-  if (n % 2 == 0) {
-    m = new bnjs(65535);
-  }
-  var h = new bnjs(muk(raku[n], 2, r));
-  var r1 = new bnjs(m + l);
-  var r2 = r1.sub(h.mod(m)).mod(m).toString();
-  res[1] = r2;
-  return res
-};
-
-var muk = function(syd, len, key) {
-  //key = bn(key);
-  var lo = key & 0xFF;
-  var hi = (key & 0xFF00) / 256;
-  var res = murmur3(String.fromCharCode(lo) + String.fromCharCode(hi), syd);
-  return res;
-};
-
-var murmur3 = function(data, seed) {
-  if (!seed) {
-    seed = 0;
-  }
-  var c1 = new bnjs(3432918353);
-  var c2 = new bnjs(461845907);
-
-  var f = 4294967295;
-
-  var length = new bnjs(data.length);
-  var h1 = new bnjs(seed);
-  var k1;
-  var roundedEnd = length & 0xFFFFFFFC;
-  // this will likely need to be redone with bignum
-  for (var i = 0; i < roundedEnd; i += 4) {
-    var x = data.charCodeAt(i + 3) ? data.charCodeAt(i + 3) : 0;
-    k1 = bn(data.charCodeAt(i) & 0xFF)
-      | ((data.charCodeAt(i + 1) & 0xFF) << 8)
-      | ((data.charCodeAt(i + 2) & 0xFF) << 16)
-      | (x << 24);
-    k1 = k1 * c1;
-    k1 = (k1 << 15) | ((k1 & 0xFFFFFFFF) >> 17);
-    k1 = k1 * c2;
-    h1 = h1 ^ k1;
-    h1 = (h1 << 13) | ((h1 & 0xFFFFFFFF) >> 19);
-    h1 = h1 * 5 + 3864292196;
-  }
-
-  k1 = 0;
-  var val = length & 0x03;
-  if (val == 3) {
-    k1 = (data.charCodeAt(roundedEnd + 2) & 0xFF) << 16;
-  }
-  if (val == 3 || val == 2) {
-    k1 = k1 | (data.charCodeAt(roundedEnd + 1) & 0xFF) << 8;
-  }
-  if (val == 3 || val == 2 || val == 1) {
-    k1 = k1 | (data.charCodeAt(roundedEnd) & 0xFF);
-    k1 = new bnjs(k1 * c1);
-    var k2 = new bnjs(k1.and(new bnjs(f)).shrn(17));
-    k1 = k1.shln(15).or(k2);
-    k1 = k1.mul(c2);
-    h1 = h1.xor(k1);
-  }
-  h1 = h1.xor(length);
-  h1 = h1.xor(h1.and(new bnjs(f)).shrn(16));
-  h1 = h1.mul(new bnjs(2246822507));
-  h1 = h1.xor(h1.and(new bnjs(f)).shrn(13));
-  h1 = h1.mul(new bnjs(3266489909));
-  h1 = h1.xor(h1.and(new bnjs(f)).shrn(16));
-  return h1.and(new bnjs(f)).toNumber();
-};
-
-/*
- * Public methods
- *  -- toAddress ( ship name )
- *  --   => address number
- *  -- to{Galaxy,Star,Planet}Ship ( address number )
- *  --   => ship name
- *  ####################### NOT YET IMPLEMENTED ##########################
- *  -- clan ( ship name or address number (int or bn) )
- *  --   => "galaxy", "star", "planet", "moon" or "comet"
- *  -- sein ( ship name or address number (int or bn) )
- *  --   => parent name or address number
- *
- */
-
-var toAddress = function(name, unscramble) {
-  if (!unscramble) {
-    unscramble = true;
-  }
-  // our method of planet discovery needs hep
-  name = name.replace(/~/g, '');
-  if (name.length == 3) {
-    return getsuffixindex(name);
-  } else if (name.length == 6) {
-    var addr = getprefixindex(name.slice(0, 3));
-    addr = addr * 256;
-    addr = addr + getsuffixindex(name.slice(3, name.length));
-    return addr;
-  } else if (name.length == 13) {
-    var addr = toAddress(name.slice(0, 6));
-    addr = addr * 65536;
-    addr = addr + toAddress(name.slice(7, addr.length));
-    if (unscramble) {
-      addr = fend(addr);
-    }
-    return addr;
-  } else {
-    return;
-  }
-};
-
-var isAddress = function(name) {
-  return typeof toAddress(name) != 'undefined';
-};
-
-
-//var toAddress = function(name) {
-//    var nome = name.replace(/~|-/g, '');
-//    var lent = nome.length;
-//
-//    if (lent % 3 != 0) {
-//      return;
-//    }
-//
-//    var syls = lent / 3;
-//    if (syls > 1 && syls % 2 != 0) {
-//      return;
-//    }
-//
-//    if (syls == 1) {
-//      return bn(wordtonum(nome))
-//    } else if (syls >= 4 && syls <= 8) {
-//      var padr = wordtonum(nome.slice(lent - 12, lent - 6));
-//      padr = padr * 256
-//      padr = padr + wordtonum(nome.slice(lent - 6, lent));
-//      padr = fend(padr);
-//
-//      if (syls == 4) {
-//        return padr;
-//      };
-//
-//      var addr = 0;
-//      for (var i = 0; i <= syls - 6; i += 2) {
-//        addr = addr + wordtonum(nome.slice(i * 3, i * 3 + 6));
-//        addr = addr * 0x10000;
-//      };
-//      return (addr * 0x10000) + padr;
-//    } else {
-//      var addr = 0;
-//
-//      for (var i = 0; i <= syls - 2; i +=2) {
-//        addr = addr * 0x10000;
-//        addr = addr + wordtonum(nome.slice(i * 3, i * 3 + 6));
-//      };
-//      return addr;
-//    }
-//
-//}
-
-var toGalaxyName = function(galaxy) {
-  return toShipName(galaxy, 1);
-};
-
-var toStarName = function(star) {
-  return toShipName(star, 2);
-};
-
-// better ES6 better way to do this
-var toPlanetName = function(scrambled, scramble) {
-  if (!scramble) {
-    scramble = true;
-  }
-  return toShipName(scrambled, 4, scramble);
-};
-
-var toShipName = function(addr, minBytes, scramble) {
-  if (!scramble) {
-    scramble = true;
-  }
-
-  if (!minBytes) {
-    if (addr < 0x100) {
-      minBytes = 1;
-    } else if (addr < 0x10000) {
-      minBytes = 2;
-    } else {
-      minBytes = 4;
-    }
-  }
-
-  if (minBytes == 4 && scramble) {
-    addr = feen(addr);
-  }
-
-  var name = "";
-  for (var i = 0; i < minBytes; i ++) {
-    var byt = Math.floor(addr % 256);
-    var syllable = "";
-    if (i % 2 == 1) {
-      syllable = getprefix(byt);
-    } else {
-      syllable = getsuffix(byt);
-    }
-    if (i == 2) {
-      name = "-" + name;
-    }
-    name = syllable + name;
-    addr = addr / 256;
-  }
-  return name;
-};
-
-var urbitOb = {
-  toAddress: toAddress,
-  toGalaxyName: toGalaxyName,
-  toStarName: toStarName,
-  toPlanetName: toPlanetName,
-  isShip: isAddress,
-  _wordtonum: wordtonum,
-  _getsuffix: getsuffix,
-  _muk: muk,
-  _feen: feen,
-  _fend: fend,
-  _teil: teil
-};
-
-var CollectionCreatePage =
-/*#__PURE__*/
-function (_Component) {
-  _inherits(CollectionCreatePage, _Component);
-
-  function CollectionCreatePage(props) {
-    var _this;
-
-    _classCallCheck(this, CollectionCreatePage);
-
-    _this = _possibleConstructorReturn(this, (CollectionCreatePage.__proto__ || Object.getPrototypeOf(CollectionCreatePage)).call(this, props));
-    _this.createCollection = _this.createCollection.bind(_this);
-    _this.toggleClasses = _this.toggleClasses.bind(_this);
-    _this.valueChange = _this.valueChange.bind(_this);
-    _this.canSubmit = _this.canSubmit.bind(_this); // Keep our state legible
-
-    _this.state = {
-      collectionName: '',
-      visibility: false,
-      comments: true,
-      foreignPost: true,
-      onProfile: true,
-      collectionShips: '',
-      // start with true so that we don't have a red default
-      sesValidated: true
-    };
-    return _this;
-  }
-
-  _createClass(CollectionCreatePage, [{
-    key: "createCollection",
-    value: function createCollection() {
-      this.props.api.sendCollAction({
-        create: {
-          desc: this.state.collectionName,
-          publ: this.state.visibility,
-          visi: this.state.onProfile,
-          comm: this.state.comments,
-          xeno: this.state.foreignPost,
-          // ses needs to be an ace separated list of non-sig ships
-          // *GOOD* 'zod polryt-tarnyr binzod'
-          // *BAD* '~zod ~polryt-tarnyr ~binzod'
-          ses: this.state.collectionShips.replace(/~|,/g, '')
-        }
-      }, {
-        target: '/~~/collections/latest'
-      });
-      
-    } // make sure that the white/blacklist is composed of ships
-
-  }, {
-    key: "valSes",
-    value: function valSes(ses) {
-      var sesArray = ses.replace(/,/g, '').split(' ');
-      var offenders = sesArray.filter(function (s) {
-        return !urbitOb.isShip(s);
-      }); // might want to return offending ships?
-
-      return offenders.length == 0;
-    }
-  }, {
-    key: "canSubmit",
-    value: function canSubmit() {
-      this.state.collectionName.length > 0;
-    }
-  }, {
-    key: "valueChange",
-    value: function valueChange(event) {
-      var target = event.target;
-      var name = target.name;
-      var value = typeof this.state[name] == 'boolean' ? target.value == 'true' : target.value;
-
-      if (name == 'collectionShips') {
-        this.state.sesValidated = this.valSes(value);
-      }
-
-      this.setState(_defineProperty({}, name, value));
-    }
-  }, {
-    key: "toggleClasses",
-    value: function toggleClasses(key, valence) {
-      return this.state[key] ? valence ? "btn btn-secondary" : "btn btn-warning" : "btn";
-    }
-  }, {
-    key: "render",
-    value: function render() {
-      return react.createElement("div", {
-        className: "create-collection-page container"
-      }, react.createElement("div", {
-        className: "input-group"
-      }, react.createElement("label", {
-        htmlFor: "collectionName"
-      }, "Name"), react.createElement("input", {
-        type: "text",
-        name: "collectionName",
-        placeholder: "deep-thoughts",
-        onChange: this.valueChange,
-        value: this.state.collectionName
-      })), react.createElement("div", {
-        className: "row"
-      }, react.createElement("div", {
-        className: "input-group col-md-3"
-      }, react.createElement("label", {
-        htmlFor: "visibility"
-      }, "Public"), react.createElement("button", {
-        name: "visibility",
-        value: "true",
-        className: this.state.visibility ? "btn btn-secondary" : "btn",
-        onClick: this.valueChange
-      }, "Yes"), react.createElement("button", {
-        name: "visibility",
-        value: "false",
-        className: this.state.visibility ? "btn" : "btn-warning",
-        onClick: this.valueChange
-      }, "No")), react.createElement("div", {
-        className: "input-group col-md-3"
-      }, react.createElement("label", {
-        htmlFor: "comments"
-      }, "Comments"), react.createElement("button", {
-        name: "comments",
-        value: "true",
-        className: this.state.comments ? "btn btn-secondary" : "btn",
-        onClick: this.valueChange
-      }, "Yes"), react.createElement("button", {
-        name: "comments",
-        value: "false",
-        className: this.state.comments ? "btn" : "btn-warning",
-        onClick: this.valueChange
-      }, "No")), react.createElement("div", {
-        className: "input-group col-md-3"
-      }, react.createElement("label", {
-        htmlFor: "foreignPost"
-      }, "Others can post"), react.createElement("button", {
-        name: "foreignPost",
-        value: "true",
-        className: this.state.foreignPost ? "btn btn-secondary" : "btn",
-        onClick: this.valueChange
-      }, "Yes"), react.createElement("button", {
-        name: "foreignPost",
-        value: "false",
-        className: this.state.foreignPost ? "btn" : "btn-warning",
-        onClick: this.valueChange
-      }, "No"))), react.createElement("div", {
-        className: "row"
-      }, react.createElement("div", {
-        className: "input-group col-md-3"
-      }, react.createElement("label", {
-        htmlFor: "onProfile"
-      }, "On profile"), react.createElement("button", {
-        name: "onProfile",
-        value: "true",
-        className: this.state.onProfile ? "btn btn-secondary" : "btn",
-        onClick: this.valueChange
-      }, "Yes"), react.createElement("button", {
-        name: "onProfile",
-        value: "false",
-        className: this.state.onProfile ? "btn" : "btn-warning",
-        onClick: this.valueChange
-      }, "No"))), react.createElement("div", {
-        className: this.state.sesValidated ? "input-group" : "input-group error"
-      }, react.createElement("label", {
-        htmlFor: "collection-ships"
-      }, this.state.visibility ? 'Blacklist' : 'Whitelist'), react.createElement("textarea", {
-        name: "collectionShips",
-        placeholder: "poldec-tonteg sorreg-namtyv",
-        value: this.state.collectionShips,
-        onChange: this.valueChange
-      })), react.createElement("button", {
-        type: "submit",
-        className: this.state.collectionName.length > 0 ? "btn btn-primary" : "btn disabled",
-        onClick: this.canSubmit ? this.createCollection : null
-      }, " Create \u2192"));
-    }
-  }]);
-
-  return CollectionCreatePage;
-}(react_1);
-
-var TopicCreatePage =
-/*#__PURE__*/
-function (_Component) {
-  _inherits(TopicCreatePage, _Component);
-
-  function TopicCreatePage(props) {
-    var _this;
-
-    _classCallCheck(this, TopicCreatePage);
-
-    _this = _possibleConstructorReturn(this, (TopicCreatePage.__proto__ || Object.getPrototypeOf(TopicCreatePage)).call(this, props));
-    _this.createTopic = _this.createTopic.bind(_this);
-    _this.valueChange = _this.valueChange.bind(_this);
-    _this.state = {
-      topicContent: _this.props.text ? _this.props.text : ''
-    };
-    return _this;
-  }
-
-  _createClass(TopicCreatePage, [{
-    key: "titleExtract",
-    value: function titleExtract(s) {
-      var r = s.split('\n').filter(function (x) {
-        return x.startsWith('# ');
-      });
-
-      if (r.length > 0) {
-        return r[0].slice(2);
-      }
-
-      return '';
-    }
-  }, {
-    key: "createTopic",
-    value: function createTopic() {
-      var dat = {}; //
-
-      if ('top' in this.props) {
-        dat = {
-          resubmit: {
-            col: this.props.coll,
-            top: this.props.top,
-            tit: this.titleExtract(this.state.topicContent),
-            wat: this.state.topicContent
-          }
-        };
-      } else {
-        // this means that we're using "latest" 
-        if ('coll' in this.props) {
-          dat = {
-            submit: {
-              col: this.props.coll,
-              tit: this.titleExtract(this.state.topicContent),
-              wat: this.state.topicContent
-            }
-          };
-        } else {
-          dat = {
-            submit: {
-              col: this.props.queryParams.coll,
-              tit: this.titleExtract(this.state.topicContent),
-              wat: this.state.topicContent
-            }
-          };
-        }
-      }
-
-      
-      console.log('dat...', dat);
-      var target;
-
-      if ('coll' in this.props && 'top' in this.props) {
-        // this means that it is an edit
-        target = "/~~/collections/".concat(this.props.coll, "/").concat(this.props.top);
-      } else if ('coll' in this.props) {
-        // this means that it is from a "latest" page
-        target = "/~~/collections/".concat(this.props.coll, "/latest");
-      } else {
-        // normal-ass page
-        target = "/~~/collections/".concat(this.props.queryParams.coll, "/latest");
-      }
-
-      
-      this.props.api.sendCollAction(dat, {
-        target: target
-      });
-    }
-  }, {
-    key: "valueChange",
-    value: function valueChange(event) {
-      var target = event.target;
-      var name = target.name;
-      var value = target.value;
-      this.setState(_defineProperty({}, name, value));
-    }
-  }, {
-    key: "render",
-    value: function render() {
-      return react.createElement("div", {
-        className: "create-collection-page"
-      }, react.createElement("div", {
-        className: "input-group"
-      }, react.createElement("button", {
-        onClick: this.createTopic,
-        className: "btn btn-secondary"
-      }, "Save \u2192"), react.createElement("button", {
-        className: "btn btn-primary"
-      }, "Preview \u2192")), react.createElement("div", {
-        className: "row"
-      }, react.createElement("textarea", {
-        className: "text-code post-edit",
-        name: "topicContent",
-        placeholder: "New post",
-        value: this.state.topicContent,
-        onChange: this.valueChange
-      })));
-    }
-  }]);
-
-  return TopicCreatePage;
-}(react_1);
-
-var CommentCreate =
-/*#__PURE__*/
-function (_Component) {
-  _inherits(CommentCreate, _Component);
-
-  function CommentCreate(props) {
-    var _this;
-
-    _classCallCheck(this, CommentCreate);
-
-    _this = _possibleConstructorReturn(this, (CommentCreate.__proto__ || Object.getPrototypeOf(CommentCreate)).call(this, props));
-    console.log('props', props);
-    _this.createComment = _this.createComment.bind(_this);
-    _this.valueChange = _this.valueChange.bind(_this);
-    _this.state = {
-      comment: ''
-    };
-    return _this;
-  }
-
-  _createClass(CommentCreate, [{
-    key: "createComment",
-    value: function createComment() {
-      this.props.api.sendCollAction({
-        comment: {
-          col: this.props.coll,
-          top: this.props.top,
-          com: '~',
-          wat: this.state.comment
-        }
-      }, {
-        target: "/~~/collections/".concat(this.props.coll, "/").concat(this.props.top)
-      });
-    }
-  }, {
-    key: "valueChange",
-    value: function valueChange(event) {
-      var target = event.target;
-      var name = target.name;
-      var value = target.value;
-      this.setState(_defineProperty({}, name, value));
-    } //
-
-  }, {
-    key: "render",
-    value: function render() {
-      return react.createElement("div", {
-        className: "create-comment"
-      }, react.createElement("div", {
-        className: "usership text-mono"
-      }, "~", this.props.store.usership), react.createElement("textarea", {
-        value: this.state.comment,
-        onChange: this.valueChange,
-        name: "comment",
-        className: "comment-edit mb-3",
-        placeholder: "Post a comment"
-      }), react.createElement("button", {
-        onClick: this.createComment,
-        className: this.state.comment.length > 0 ? "btn btn-tetiary" : "btn disabled"
-      }, "Publish \u2192"));
-    }
-  }]);
-
-  return CommentCreate;
-}(react_1);
-
-var Subscribe =
-/*#__PURE__*/
-function (_Component) {
-  _inherits(Subscribe, _Component);
-
-  function Subscribe(props) {
-    var _this;
-
-    _classCallCheck(this, Subscribe);
-
-    _this = _possibleConstructorReturn(this, (Subscribe.__proto__ || Object.getPrototypeOf(Subscribe)).call(this, props));
-    console.log('un/subscribe from ...', _this.props.circle);
-    console.log('all props...', props);
-    _this.subscribe = _this.subscribe.bind(_this);
-    return _this;
-  }
-
-  _createClass(Subscribe, [{
-    key: "subscribe",
-    value: function subscribe() {
-      this.props.api.hall({
-        source: {
-          sub: !this.checkSubscribed(),
-          //what is this name?
-          nom: 'inbox',
-          srs: [this.props.circle]
-        }
-      });
-    }
-  }, {
-    key: "checkSubscribed",
-    value: function checkSubscribed() {
-      var inbox = this.props.store.configs["~".concat(this.props.store.usership, "/inbox")];
-
-      if (!inbox) {
-        return false;
-      } else if (inbox.src.indexOf(this.props.circle) == -1) {
-        return false;
-      } else {
-        return true;
-      }
-    }
-  }, {
-    key: "render",
-    value: function render() {
-      var inbox = this.props.store.configs["~".concat(this.props.store.usership, "/inbox")];
-      return react.createElement("div", {
-        className: "subscribe"
-      }, react.createElement("button", {
-        className: this.checkSubscribed() ? "btn btn-tetiary mb-4" : "btn btn-primary mb-4",
-        onClick: this.subscribe
-      }, this.checkSubscribed() ? "Unsubscribe ×" : "Subscribe →"));
-    }
-  }]);
-
-  return Subscribe;
-}(react_1);
-
-var secToString = function secToString(secs) {
-  if (secs <= 0) {
-    return 'Completed';
-  }
-
-  secs = Math.floor(secs);
-  var min = 60;
-  var hour = 60 * min;
-  var day = 24 * hour;
-  var week = 7 * day;
-  var year = 52 * week;
-
-  var fy = function fy(s) {
-    if (s < year) {
-      return ['', s];
-    } else {
-      return [Math.floor(s / year) + 'y', s % year];
-    }
-  };
-
-  var fw = function fw(tup) {
-    var str = tup[0];
-    var sec = tup[1];
-
-    if (sec < week) {
-      return [str, sec];
-    } else {
-      return [str + ' ' + Math.floor(sec / week) + 'w', sec % week];
-    }
-  };
-
-  var fd = function fd(tup) {
-    var str = tup[0];
-    var sec = tup[1];
-
-    if (sec < day) {
-      return [str, sec];
-    } else {
-      return [str + ' ' + Math.floor(sec / day) + 'd', sec % day];
-    }
-  };
-
-  var fh = function fh(tup) {
-    var str = tup[0];
-    var sec = tup[1];
-
-    if (sec < hour) {
-      return [str, sec];
-    } else {
-      return [str + ' ' + Math.floor(sec / hour) + 'h', sec % hour];
-    }
-  };
-
-  var fm = function fm(tup) {
-    var str = tup[0];
-    var sec = tup[1];
-
-    if (sec < min) {
-      return [str, sec];
-    } else {
-      return [str + ' ' + Math.floor(sec / min) + 'm', sec % min];
-    }
-  };
-
-  var fs = function fs(tup) {
-    var str = tup[0];
-    var sec = tup[1];
-    return str + ' ' + sec + 's';
-  };
-
-  return fs(fm(fh(fd(fw(fy(secs)))))).trim();
-};
-
-var Elapsed =
-/*#__PURE__*/
-function (_Component) {
-  _inherits(Elapsed, _Component);
-
-  function Elapsed(props) {
-    var _this;
-
-    _classCallCheck(this, Elapsed);
-
-    _this = _possibleConstructorReturn(this, (Elapsed.__proto__ || Object.getPrototypeOf(Elapsed)).call(this, props));
-    console.log('elapsed props...', props);
-    return _this;
-  }
-
-  _createClass(Elapsed, [{
-    key: "renderTime",
-    value: function renderTime() {
-      var serverTime = new Date(this.props.timestring);
-      var clientTime = new Date(); // local
-
-      return secToString((clientTime - serverTime) / 1000).split(' ')[0];
-    }
-  }, {
-    key: "render",
-    value: function render() {
-      return react.createElement("div", null, "-", this.renderTime());
-    }
-  }]);
-
-  return Elapsed;
-}(react_1);
-
-var ComponentMap = {
-  "StreamPage": {
-    comp: StreamPage,
-    head: StreamPageHeader
-  },
-  "StreamCreatePage": {
-    comp: StreamCreatePage
-  },
-  "CollectionCreatePage": {
-    comp: CollectionCreatePage
-  },
-  "TopicCreatePage": {
-    comp: TopicCreatePage
-  },
-  "StreamEditPage": {
-    comp: StreamEditPage
-  },
-  "CommentCreate": {
-    comp: CommentCreate
-  },
-  "InboxPage": {
-    comp: InboxPage
-  },
-  "Subscribe": {
-    comp: Subscribe
-  },
-  "Elapsed": {
-    comp: Elapsed
-  }
-};
-
-var UrbitApi =
-/*#__PURE__*/
-function () {
-  function UrbitApi(warehouse) {
-    var _this = this;
-
-    _classCallCheck(this, UrbitApi);
-
-    this.seqn = 1;
-    this.warehouse = warehouse;
-    this.transition = null;
-    fetch('/~/auth.json', {
-      credentials: "same-origin"
-    }).then(function (res) {
-      return res.json();
-    }).then(function (authTokens) {
-      _this.authTokens = authTokens;
-
-      _this.warehouse.storeData({
-        usership: authTokens.ship
-      });
-
-      console.log("usership = ", _this.authTokens.ship);
-
-      _this.runPoll();
-
-      _this.bindAll();
-    });
-  }
-
-  _createClass(UrbitApi, [{
-    key: "bindAll",
-    value: function bindAll() {
-      // parses client-specific info (ship nicknames, glyphs, etc)
-      this.bind("/client", "PUT"); // inbox local + remote configs, remote presences
-
-      this.bind("/circle/inbox/config/group-r/0", "PUT"); // inbox messages
-
-      this.bind("/circle/inbox/grams/0/500", "PUT"); // public membership
-
-      this.bind("/public", "PUT"); // owner's circles
-
-      this.bind("/circles/~".concat(this.authTokens.ship), "PUT"); // bind to collections
-      // this.bind("/", "PUT", "collections");
-      // delete subscriptions when you're done with them, like...
-      // this.bind("/circle/inbox/grams/0", "DELETE");
-    } // keep default bind to hall, since its bind procedure more complex for now AA
-
-  }, {
-    key: "bind",
-    value: function bind(path, method) {
-      var appl = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : "hall";
-      console.log('binding to ...', appl);
-      var params = {
-        appl: appl,
-        mark: "json",
-        oryx: this.authTokens.oryx,
-        ship: this.authTokens.ship,
-        path: path,
-        wire: path
-      };
-      fetch("/~/is/~".concat(this.authTokens.user, "/").concat(appl).concat(path, ".json?").concat(method), {
-        credentials: "same-origin",
-        method: "POST",
-        body: JSON.stringify(params)
-      });
-    }
-  }, {
-    key: "hall",
-    value: function hall(data, transition) {
-      this.sendAction("hall", "hall-action", data, transition);
-    }
-  }, {
-    key: "sendCollAction",
-    value: function sendCollAction(data, transition) {
-      this.sendAction("collections", "collections-action", data, transition);
-    }
-  }, {
-    key: "sendAction",
-    value: function sendAction(appl, mark, data, transition) {
-      var params = {
-        appl: appl,
-        mark: mark,
-        oryx: this.authTokens.oryx,
-        ship: this.authTokens.ship,
-        wire: "/",
-        xyro: data
-      };
-      fetch("/~/to/".concat(appl, "/").concat(mark), {
-        credentials: "same-origin",
-        method: "POST",
-        body: JSON.stringify(params)
-      });
-
-      if (transition) {
-        this.warehouse.setPendingTransition(transition);
-      }
-    }
-  }, {
-    key: "runPoll",
-    value: function runPoll() {
-      var _this2 = this;
-
-      console.log('fetching... ', this.seqn);
-      fetch("/~/of/".concat(this.authTokens.ixor, "?poll=").concat(this.seqn), {
-        credentials: "same-origin"
-      }).then(function (res) {
-        return res.json();
-      }).then(function (data) {
-        if (data.beat) {
-          console.log('beat');
-
-          _this2.runPoll();
-        } else {
-          console.log("new server data: ", data);
-
-          var hallData = _this2.parseBS(data);
-
-          _this2.warehouse.storeData(hallData); // TODO:  Side effects get processed here, after warehouse data is updated. Would prefer to do this inside warehouse itself, but warehouse doesn't have access to the API. Need to think through this much more carefully, as this is the crux of asychronous state updates in the system.
-          // this.processSideEffects();
-
-
-          _this2.seqn++;
-
-          _this2.runPoll();
-        }
-      });
-    } // BS stands for "bulletin service"
-
-  }, {
-    key: "parseBS",
-    value: function parseBS(bs) {
-      return {
-        configs: this.parseInboxConfigs(bs),
-        messages: this.parseInboxMessages(bs),
-        ownedStations: this.parseOwnedStations(bs) // discard this result for now, just call it for side effects.
-
-      };
-    }
-  }, {
-    key: "parseInboxMessages",
-    value: function parseInboxMessages(bs) {
-      var _this3 = this;
-
-      var messages = [];
-      var pathTokens = bs.from.path.split("/");
-
-      if (pathTokens[1] === "circle" && pathTokens[2] === "inbox" && pathTokens[3] === "grams") {
-        var circle = bs.data.json.circle;
-
-        if (circle.nes) {
-          // Add inbox messages
-          messages = circle.nes.map(function (m) {
-            return m.gam;
-          });
-        }
-
-        if (circle.gram) {
-          // Add single message
-          messages = [circle.gram.gam];
-        }
-      }
-
-      return messages.map(function (m) {
-        // Remove ~ship/inbox from audiences if they exist
-        // TODO:  This is legacy from old web talk. In general we should perhaps
-        // drop chat messages addressed directly to inbox (?)
-        var i = m.aud.indexOf("~".concat(_this3.authTokens.ship, "/inbox"));
-
-        if (i !== -1 && m.aud.length > 1) {
-          m.aud.splice(i, 1);
-        } // flatten msg.sep.app into msg
-        // TODO:  Bake this into Hall api response if possible
-
-
-        if (m.sep.app) {
-          m.sep = m.sep.app.sep;
-          m.app = true;
-          m.aut = "rob";
-        }
-
-        return m;
-      });
-    }
-  }, {
-    key: "parseInboxConfigs",
-    value: function parseInboxConfigs(bs) {
-      var _this4 = this;
-
-      console.log('bs...', bs);
-      var configs = {};
-      var pathTokens = bs.from.path.split("/");
-
-      if (pathTokens[1] === "circle" && pathTokens[2] === "inbox" && pathTokens[3] === "config") {
-        var circle = bs.data.json.circle; // add new created station to inbox's configs
-
-        if (circle.config && circle.config.dif && circle.config.dif.full) {
-          console.log('circle circle.config.dif.full', circle.config.cir);
-          configs[circle.config.cir] = circle.config.dif.full;
-        } // add or remove src from a circle
-
-
-        if (circle.config && circle.config.dif && circle.config.dif.source) {
-          console.log('circle circle.config.dif.source', circle.config.cir);
-          configs[circle.config.cir] = circle.config.dif.source;
-        } // add to config blacklist or whitelist
-
-
-        if (circle.config && circle.config.dif && circle.config.dif.permit) {
-          console.log('circle circle.config.dif.full', circle.config.cir);
-          configs[circle.config.cir] = configs[circle.config.cir] || {};
-          configs[circle.config.cir].permit = circle.config.dif.permit;
-        } // Add inbox config
-
-
-        if (circle.cos && circle.cos.loc) {
-          var inbox = "~".concat(this.authTokens.ship, "/inbox");
-          configs[inbox] = circle.cos.loc;
-        } // Add remote configs
-
-
-        if (circle.cos && circle.cos.rem) {
-          // TODO: Do .rem's nest infinitely? Can I keep going here if there's a chain of subscriptions?
-          Object.keys(circle.cos.rem).forEach(function (remConfig) {
-            configs[remConfig] = circle.cos.rem[remConfig];
-          });
-        } // Add remote presences
-        //if (circle.pes && circle.pes.rem) {
-        //  Object.keys(circle.pes.rem).forEach((pes) => {
-        //    configs[pes].pes = circle.pes.rem[pes];
-        //  });
-        //}
-        // For all the new configs, if there are pending invites for them, send the invites
-
-
-        Object.keys(configs).forEach(function (cos) {
-          _this4.warehouse.store.pendingInvites.forEach(function (inv) {
-            // TOOD:  Maybe we should also check the invitees are in config.sis list, if whitelist
-            if (cos.indexOf(inv.nom) !== -1) {
-              _this4.hall({
-                permit: {
-                  nom: inv.nom,
-                  sis: inv.aud,
-                  inv: true
-                }
-              });
-            }
-          });
-
-          _this4.warehouse.store.pendingInvites = [];
-        });
-      }
-
-      return configs;
-    }
-  }, {
-    key: "parseOwnedStations",
-    value: function parseOwnedStations(bs) {
-      var pathTokens = bs.from.path.split("/");
-
-      if (pathTokens[1] === "circles" && pathTokens[2] === "~".concat(this.authTokens.ship)) {
-        var ownedStations = bs.data.json.circles;
-
-        if (ownedStations.cir && ownedStations.add) {
-          console.log('does this actually work?');
-          this.hall({
-            source: {
-              nom: "inbox",
-              sub: ownedStations.add,
-              srs: ["~".concat(this.authTokens.ship, "/").concat(ownedStations.cir)]
-            }
-          });
-        }
-      }
-
-      return [];
-    } // processSideEffects() {
-    // this.subscribeToOwnedStations();
-    // }
-    // subscribeToOwnedStations() {
-    //   let {ownedStations, configs} = this.warehouse.store;
-    //   let pendingStations = [];
-    //
-    //   console.log('ownedStations = ', ownedStations);
-    //
-    //   ownedStations.forEach(station => {
-    //     if (!configs[station]) {
-    //       pendingStations.push(`${this.authTokens.ship}/${station}`);
-    //     }
-    //   });
-    //
-    //   if (pendingStations.length > 0) {
-    //     this.hall({
-    //       source: {
-    //         nom: `~${this.authTokens.ship}/inbox`,
-    //         sub: true,
-    //         srs: [pendingStations]
-    //       }
-    //     });
-    //   }
-    // }
-
-  }]);
-
-  return UrbitApi;
-}();
-
 var lodash = createCommonjsModule(function (module, exports) {
 /**
  * @license
@@ -57761,87 +54656,7669 @@ var lodash = createCommonjsModule(function (module, exports) {
 }.call(commonjsGlobal));
 });
 
-var UrbitReducer =
+var UrbitApi =
 /*#__PURE__*/
 function () {
-  function UrbitReducer() {
-    _classCallCheck(this, UrbitReducer);
+  function UrbitApi() {
+    _classCallCheck(this, UrbitApi);
   }
 
-  _createClass(UrbitReducer, [{
-    key: "configs",
-    value: function configs(newConfigs, storeConfigs) {
-      Object.keys(newConfigs).forEach(function (cos) {
-        if (!storeConfigs[cos]) {
-          storeConfigs[cos] = newConfigs[cos];
-          return;
-        } // Add or remove a src to an existing circle (most useful for the inbox)
+  _createClass(UrbitApi, [{
+    key: "setAuthTokens",
+    value: function setAuthTokens(authTokens) {
+      this.authTokens = authTokens;
+    } // keep default bind to hall, since its bind procedure more complex for now AA
 
-
-        if (newConfigs[cos].src) {
-          // update existing config
-          if (newConfigs[cos].add) {
-            storeConfigs[cos].src = _toConsumableArray(storeConfigs[cos].src).concat([newConfigs[cos].src]);
-          } else {
-            var n = newConfigs[cos].src;
-            storeConfigs[cos].src = storeConfigs[cos].src.filter(function (val) {
-              return val != n;
-            });
-          }
-        } // Add or remove new ships to b/w list
-
-
-        if (newConfigs[cos].permit) {
-          storeConfigs[cos].con.sis = newConfigs[cos].permit.add ? storeConfigs[cos].con.sis.concat(newConfigs[cos].permit.sis) : storeConfigs[cos].con.sis.filter(function (mem) {
-            return !newConfigs[cos].permit.sis.includes(mem);
-          });
-        }
+  }, {
+    key: "bind",
+    value: function bind(path, method) {
+      var appl = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : "hall";
+      console.log('binding to ...', appl);
+      var params = {
+        appl: appl,
+        mark: "json",
+        oryx: this.authTokens.oryx,
+        ship: this.authTokens.ship,
+        path: path,
+        wire: path
+      };
+      fetch("/~/is/~".concat(this.authTokens.user, "/").concat(appl).concat(path, ".json?").concat(method), {
+        credentials: "same-origin",
+        method: "POST",
+        body: JSON.stringify(params)
+      });
+    }
+  }, {
+    key: "hall",
+    value: function hall(data, transition) {
+      this.action("hall", "hall-action", data, transition);
+    }
+  }, {
+    key: "coll",
+    value: function coll(data, transition) {
+      this.action("collections", "collections-action", data, transition);
+    }
+  }, {
+    key: "action",
+    value: function action(appl, mark, data, transition) {
+      var params = {
+        appl: appl,
+        mark: mark,
+        oryx: this.authTokens.oryx,
+        ship: this.authTokens.ship,
+        wire: "/",
+        xyro: data
+      };
+      fetch("/~/to/".concat(appl, "/").concat(mark), {
+        credentials: "same-origin",
+        method: "POST",
+        body: JSON.stringify(params)
       });
-      return storeConfigs;
     }
     /*
-      Messages are stored as a bucket of sorted messages inside individual stations for easy access later.
-      Messages within stations are stored oldest-first.
+      Special actions
     */
 
   }, {
-    key: "messages",
-    value: function messages(newMessages, storeMessages) {
-      newMessages.forEach(function (newMsg) {
-        console.log('newMsg.aud = ', newMsg.aud);
-        newMsg.aud.forEach(function (aud) {
-          var station = storeMessages[aud];
-
-          if (!station) {
-            storeMessages[aud] = {
-              name: aud,
-              messages: [newMsg]
-            };
-          } else if (station.messages.findIndex(function (o) {
-            return o.uid === newMsg.uid;
-          }) === -1) {
-            for (var i = 0; i < station.messages.length; i++) {
-              if (newMsg.wen < station.messages[i].wen) {
-                storeMessages[aud].messages.splice(i, 0, newMsg);
-              } else if (i === station.messages.length - 1) {
-                storeMessages[aud].messages.push(newMsg);
-                i = i + 1;
-              }
-            } // Pring messages by date, for debugging:
-            // for (let msg of station.messages) {
-            //   console.log(`msg ${msg.uid}: ${msg.wen}`);
-            // }
-
-          }
-        });
+    key: "permit",
+    value: function permit(nom, aud, message) {
+      this.hall({
+        permit: {
+          nom: nom,
+          sis: aud,
+          inv: true
+        }
       });
-      return storeMessages;
+
+      if (message) {
+        var audInboxes = aud.map(function (aud) {
+          return "~".concat(aud, "/inbox");
+        });
+        var inviteMessage = {
+          uid: uuid(),
+          aud: audInboxes,
+          aut: this.authTokens.ship,
+          wen: Date.now(),
+          sep: {
+            inv: {
+              inv: true,
+              cir: "~".concat(this.authTokens.ship, "/").concat(nom)
+            }
+          }
+        };
+        this.hall({
+          convey: [inviteMessage]
+        });
+      }
     }
   }]);
 
-  return UrbitReducer;
+  return UrbitApi;
 }();
 
+var api = new UrbitApi();
+
+var ChatPage =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(ChatPage, _Component);
+
+  function ChatPage(props) {
+    var _this;
+
+    _classCallCheck(this, ChatPage);
+
+    _this = _possibleConstructorReturn(this, (ChatPage.__proto__ || Object.getPrototypeOf(ChatPage)).call(this, props));
+    _this.presence = false;
+    var station = _this.props.queryParams.station;
+    var circle = station.split("/")[1];
+    var host = station.split("/")[0].substr(1);
+    _this.state = {
+      station: station,
+      circle: circle,
+      host: host,
+      message: "",
+      invitee: "",
+      numMessages: 0,
+      scrollLocked: true
+    };
+    _this.messageChange = _this.messageChange.bind(_this);
+    _this.messageSubmit = _this.messageSubmit.bind(_this);
+    _this.inviteChange = _this.inviteChange.bind(_this);
+    _this.inviteSubmit = _this.inviteSubmit.bind(_this);
+    _this.onScrollStop = _this.onScrollStop.bind(_this);
+    _this.scrollbarRef = react.createRef();
+    return _this;
+  }
+
+  _createClass(ChatPage, [{
+    key: "componentDidMount",
+    value: function componentDidMount() {
+      var path = "/circle/inbox/".concat(this.state.station, "/grams/-20");
+      api.bind(path, "PUT");
+    }
+  }, {
+    key: "componentWillUnmount",
+    value: function componentWillUnmount() {
+      var path = "/circle/inbox/".concat(this.state.station, "/grams/-20");
+      api.bind(path, "DELETE");
+    }
+  }, {
+    key: "componentDidUpdate",
+    value: function componentDidUpdate(prevProps, prevState) {
+      var station = prevProps.store.messages[this.state.station] || {
+        messages: []
+      };
+      var numMessages = station.messages.length;
+
+      if (numMessages > prevState.numMessages && this.scrollbarRef.current) {
+        this.setState({
+          numMessages: numMessages
+        });
+
+        if (this.state.scrollLocked) {
+          this.scrollbarRef.current.scrollToBottom();
+        }
+      }
+    }
+  }, {
+    key: "requestChatBatch",
+    value: function requestChatBatch() {
+      var newNumMessages = this.state.numMessages + 50;
+      var path = "/circle/inbox/".concat(this.state.station, "/grams/-").concat(newNumMessages, "/-").concat(this.state.numMessages);
+      api.bind(path, "PUT");
+    }
+  }, {
+    key: "onScrollStop",
+    value: function onScrollStop() {
+      var scroll = this.scrollbarRef.current.getValues();
+      this.setState({
+        scrollLocked: scroll.top === 1
+      });
+
+      if (scroll.top === 0) {
+        this.requestChatBatch();
+      }
+    }
+  }, {
+    key: "messageChange",
+    value: function messageChange(event) {
+      this.setState({
+        message: event.target.value
+      });
+    }
+  }, {
+    key: "inviteChange",
+    value: function inviteChange(event) {
+      this.setState({
+        invitee: event.target.value
+      });
+    }
+  }, {
+    key: "messageSubmit",
+    value: function messageSubmit(event) {
+      var _this2 = this;
+
+      event.preventDefault();
+      event.stopPropagation();
+      var aud;
+      var config = this.props.store.configs[this.state.station];
+
+      if (config.cap === "dm") {
+        aud = config.con.sis.map(function (mem) {
+          return "~".concat(mem, "/").concat(_this2.state.circle);
+        });
+      } else {
+        aud = [this.state.station];
+      }
+
+      var message = {
+        uid: uuid(),
+        aud: aud,
+        aut: api.authTokens.ship,
+        wen: Date.now(),
+        sep: {
+          lin: {
+            msg: this.state.message,
+            pat: false
+          }
+        }
+      };
+      this.props.api.hall({
+        convey: [message]
+      });
+      this.setState({
+        message: ""
+      });
+    }
+  }, {
+    key: "inviteSubmit",
+    value: function inviteSubmit(event) {
+      event.preventDefault();
+      event.stopPropagation();
+      this.props.api.permit(this.state.circle, [this.state.invitee], true);
+      this.setState({
+        invitee: ""
+      });
+    }
+  }, {
+    key: "assembleChatRows",
+    value: function assembleChatRows(messages) {
+      var chatRows = [];
+      var prevDay = 0;
+      var prevName = ""; // add date markers & group messages by author
+
+      for (var i = 0; i < messages.length; i++) {
+        var date = moment(messages[i].wen);
+
+        if (messages[i].wen > prevDay) {
+          chatRows.push({
+            date: date.format("dddd, MMM Do")
+          });
+          prevDay = date.endOf('day').format('x');
+          prevName = "";
+        }
+
+        if (prevName !== messages[i].aut) {
+          messages[i].printship = true;
+          prevName = messages[i].aut;
+        }
+
+        chatRows.push(messages[i]);
+      }
+
+      return chatRows;
+    }
+  }, {
+    key: "assembleMembers",
+    value: function assembleMembers(station) {
+      var cos = this.props.store.configs[station] || {
+        pes: {},
+        con: {
+          sis: []
+        }
+      };
+      var statusCir = "";
+
+      if (!cos.pes) {
+        return;
+      }
+
+      var presMems = Object.keys(cos.pes).map(function (ship) {
+        switch (cos.pes[ship].pec) {
+          case "idle":
+            statusCir = "cir-green";
+            break;
+
+          case "talk":
+            statusCir = "cir-red";
+            break;
+
+          case "gone":
+            statusCir = "cir-black";
+            break;
+        }
+
+        return react.createElement("div", {
+          key: ship
+        }, react.createElement("span", {
+          className: "cir-status mr-4 ".concat(statusCir)
+        }), react.createElement("span", {
+          className: "chat-member-name"
+        }, ship));
+      });
+      var invMems = cos.con.sis.map(function (inv) {
+        // If user is in whitelist but not in presence list
+        if (Object.keys(cos.pes).indexOf("~".concat(inv)) === -1) {
+          return react.createElement("div", {
+            key: "".concat(inv)
+          }, react.createElement("span", {
+            className: "cir-status mr-4 cir-grey"
+          }), react.createElement("span", {
+            className: "chat-member-name"
+          }, "~".concat(inv)));
+        }
+      });
+      return react.createElement("div", null, presMems, react.createElement("h5", {
+        className: "mt-8"
+      }, "Invited:"), invMems, react.createElement("form", {
+        onSubmit: this.inviteSubmit
+      }, react.createElement("input", {
+        type: "text",
+        className: "w-30 input-sm",
+        value: this.state.invitee,
+        onChange: this.inviteChange,
+        placeholder: "Ship..."
+      })));
+    }
+  }, {
+    key: "setPresence",
+    value: function setPresence(station) {
+      if (!this.presence) {
+        this.presence = true;
+        this.props.api.hall({
+          notify: {
+            aud: [station],
+            pes: "idle"
+          }
+        });
+      }
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      var station = this.props.store.messages[this.state.station] || {
+        messages: []
+      };
+      this.setPresence(this.state.station);
+      var chatRows = this.assembleChatRows(station.messages);
+      var chatMembers = this.assembleMembers(this.state.station);
+      var chatMessages = chatRows.map(function (msg) {
+        var autLabel = msg.printship ? "~".concat(msg.aut) : null;
+        var appClass = msg.app ? " chat-msg-app" : "";
+
+        if (msg.date) {
+          return react.createElement("div", {
+            className: "chat-sep",
+            key: msg.date
+          }, msg.date);
+        } else {
+          return react.createElement("div", {
+            key: msg.uid,
+            className: "row ".concat(appClass)
+          }, react.createElement("div", {
+            className: "col-sm-2 text-mono"
+          }, autLabel), react.createElement("div", {
+            className: "col-sm-8"
+          }, msg.sep.lin.msg));
+        }
+      });
+      return react.createElement("div", null, react.createElement(lib_1, {
+        ref: this.scrollbarRef,
+        renderTrackHorizontal: function renderTrackHorizontal(props) {
+          return react.createElement("div", {
+            style: {
+              display: "none"
+            }
+          });
+        },
+        style: {
+          height: 650
+        },
+        onScrollStop: this.onScrollStop,
+        renderView: function renderView(props) {
+          return react.createElement("div", _extends({}, props, {
+            className: "chat-scrollpane-view"
+          }));
+        },
+        autoHide: true,
+        className: "chat-scrollpane"
+      }, chatMessages), react.createElement("div", {
+        className: "chat-input row mt-6"
+      }, react.createElement("div", {
+        className: "col-sm-2 text-700"
+      }, "~", api.authTokens.ship), react.createElement("div", {
+        className: "col-sm-8"
+      }, react.createElement("form", {
+        onSubmit: this.messageSubmit
+      }, react.createElement("input", {
+        className: "chat-input-field",
+        type: "text",
+        placeholder: "Say something",
+        value: this.state.message,
+        onChange: this.messageChange
+      })))), react.createElement("div", {
+        className: "sidebar"
+      }, chatMembers));
+    }
+  }]);
+
+  return ChatPage;
+}(react_1);
+
+var FeedPage =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(FeedPage, _Component);
+
+  function FeedPage(props) {
+    var _this;
+
+    _classCallCheck(this, FeedPage);
+
+    _this = _possibleConstructorReturn(this, (FeedPage.__proto__ || Object.getPrototypeOf(FeedPage)).call(this, props));
+    _this.state = {
+      message: ""
+    };
+    _this.messageSubmit = _this.messageSubmit.bind(_this);
+    _this.messageChange = _this.messageChange.bind(_this);
+    return _this;
+  }
+
+  _createClass(FeedPage, [{
+    key: "messageChange",
+    value: function messageChange(event) {
+      this.setState({
+        message: event.target.value
+      });
+    }
+  }, {
+    key: "messageSubmit",
+    value: function messageSubmit(event) {
+      event.preventDefault();
+      event.stopPropagation();
+      var message = {
+        uid: uuid(),
+        aud: [this.props.queryParams.station],
+        aut: this.props.store.usership,
+        wen: Date.now(),
+        sep: {
+          lin: {
+            msg: this.state.message,
+            pat: false
+          }
+        }
+      };
+      this.props.api.hall({
+        convey: [message]
+      });
+      this.setState({
+        message: ""
+      });
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      var messages = this.props.store.messages[this.props.queryParams.station];
+      var messageElems = null;
+
+      if (messages) {
+        messageElems = messages.messages.slice(0) // creates a shallow copy
+        .sort(function (a, b) {
+          return a.wen < b.wen;
+        }) // sort messages newest-first
+        .map(function (msg) {
+          var displayDate = moment(msg.wen).fromNow();
+          return react.createElement("div", {
+            key: msg.uid,
+            className: "mt-8"
+          }, react.createElement("div", {
+            className: "text-mono"
+          }, displayDate), react.createElement("div", {
+            className: "text-lg"
+          }, msg.sep.lin.msg));
+        });
+      }
+
+      return react.createElement("div", null, react.createElement("b", null, "~", this.props.store.usership), react.createElement("div", {
+        className: "chat-input mt-6"
+      }, react.createElement("div", {
+        className: "col-sm-8"
+      }, react.createElement("form", {
+        onSubmit: this.messageSubmit
+      }, react.createElement("input", {
+        className: "chat-input-field",
+        type: "text",
+        placeholder: "Say something",
+        value: this.state.message,
+        onChange: this.messageChange
+      })))), react.createElement("div", null, messageElems));
+    }
+  }]);
+
+  return FeedPage;
+}(react_1);
+
+var StreamPageHeader =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(StreamPageHeader, _Component);
+
+  function StreamPageHeader() {
+    _classCallCheck(this, StreamPageHeader);
+
+    return _possibleConstructorReturn(this, (StreamPageHeader.__proto__ || Object.getPrototypeOf(StreamPageHeader)).apply(this, arguments));
+  }
+
+  _createClass(StreamPageHeader, [{
+    key: "render",
+    value: function render() {
+      return react.createElement("div", {
+        className: "header-subpage"
+      }, react.createElement("h3", {
+        className: "header-sep"
+      }, "/"), react.createElement("h3", {
+        className: "inline text-mono"
+      }, this.props.queryParams.station), react.createElement("a", {
+        className: "header-settings text-sm",
+        href: "/~~/pages/nutalk/stream/edit?station=".concat(this.props.queryParams.station)
+      }, "Settings \u2192"));
+    }
+  }]);
+
+  return StreamPageHeader;
+}(react_1);
+var StreamPage =
+/*#__PURE__*/
+function (_Component2) {
+  _inherits(StreamPage, _Component2);
+
+  function StreamPage(props) {
+    _classCallCheck(this, StreamPage);
+
+    return _possibleConstructorReturn(this, (StreamPage.__proto__ || Object.getPrototypeOf(StreamPage)).call(this, props));
+  }
+
+  _createClass(StreamPage, [{
+    key: "render",
+    value: function render() {
+      var cos = this.props.store.configs[this.props.queryParams.station];
+      var subpage = null;
+
+      if (cos && (cos.cap === "chat" || cos.cap === "dm")) {
+        subpage = [react.createElement(ChatPage, _extends({
+          key: this.props.queryParams.station
+        }, this.props))];
+      } else if (cos && cos.cap === "feed") {
+        subpage = [react.createElement(FeedPage, _extends({
+          key: this.props.queryParams.station
+        }, this.props))];
+      }
+
+      return react.createElement("div", null, subpage);
+    }
+  }]);
+
+  return StreamPage;
+}(react_1);
+
+var StreamEditPage =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(StreamEditPage, _Component);
+
+  function StreamEditPage() {
+    _classCallCheck(this, StreamEditPage);
+
+    return _possibleConstructorReturn(this, (StreamEditPage.__proto__ || Object.getPrototypeOf(StreamEditPage)).apply(this, arguments));
+  }
+
+  _createClass(StreamEditPage, [{
+    key: "render",
+    value: function render() {
+      return react.createElement("h1", null, "Stream edit page!");
+    }
+  }]);
+
+  return StreamEditPage;
+}(react_1);
+
+var StreamCreatePage =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(StreamCreatePage, _Component);
+
+  function StreamCreatePage(props) {
+    var _this;
+
+    _classCallCheck(this, StreamCreatePage);
+
+    _this = _possibleConstructorReturn(this, (StreamCreatePage.__proto__ || Object.getPrototypeOf(StreamCreatePage)).call(this, props));
+    _this.state = {
+      loading: false,
+      stream: {
+        nom: "",
+        des: "chat",
+        sec: "village",
+        dis: "no",
+        aud: [],
+        audNew: ""
+      },
+      oldStream: {},
+      descriptions: {
+        type: {
+          "feed": "A feed is a time-ordered (newest-first) list of microblogging messages.",
+          "chat": "A chat is a time-ordered (newest-last) traditional, multi-user chatroom.",
+          "list": "A list is a compiled aggregation of other circles.",
+          "dm": "A DM is a direct message group between one or more recipients."
+        },
+        security: {
+          channel: "A channel is publicly readable and writable, with a blacklist for blocking.",
+          village: "A village is privately readable and writable, with a whitelist for inviting.",
+          journal: "A journal is publicly readable and privately writable, with a whitelist for authors.",
+          mailbox: "A mailbox is owner-readable and publicly writable, with a blacklist for blocking."
+        }
+      },
+      deleteStream: "",
+      editLoaded: false
+    };
+    _this.submitStream = _this.submitStream.bind(_this);
+    _this.valueChange = _this.valueChange.bind(_this);
+    _this.addAud = _this.addAud.bind(_this);
+    _this.remAud = _this.remAud.bind(_this);
+    _this.deleteStream = _this.deleteStream.bind(_this);
+    _this.deleteChange = _this.deleteChange.bind(_this);
+    return _this;
+  }
+
+  _createClass(StreamCreatePage, [{
+    key: "componentWillReceiveProps",
+    value: function componentWillReceiveProps(nextProps) {
+      if (!this.state.editLoaded) return;
+      var newAud = nextProps.store.configs["~".concat(this.props.api.authTokens.ship, "/").concat(this.state.stream.nom)].con.sis;
+
+      if (!arrayEqual(this.state.stream.aud, newAud)) {
+        this.setState({
+          stream: Object.assign(this.state.stream, {
+            aud: newAud
+          })
+        });
+      }
+    }
+  }, {
+    key: "loadEdit",
+    value: function loadEdit() {
+      var editStation = this.props.queryParams.station;
+
+      if (editStation && this.props.store.configs[editStation] && !this.state.editLoaded) {
+        var station = this.props.store.configs[editStation];
+        var stream = {
+          nom: editStation.split("/").slice(1).join("/"),
+          // TODO: This will need editing if there are multiple /'s in a station name`
+          des: station.cap,
+          sec: station.con.sec,
+          aud: station.con.sis,
+          dis: "no"
+        };
+        this.setState({
+          stream: stream,
+          oldStream: Object.assign({}, stream),
+          // For some reason we need to make a shallow copy here... wtf?!?
+          editLoaded: true
+        });
+      }
+    }
+  }, {
+    key: "deleteChange",
+    value: function deleteChange(event) {
+      console.log(event.target.value);
+      this.setState({
+        deleteStream: event.target.value
+      });
+    }
+  }, {
+    key: "deleteStream",
+    value: function deleteStream() {
+      this.props.api.hall({
+        delete: {
+          nom: this.state.deleteStream,
+          why: "<station deleted>"
+        }
+      });
+    }
+  }, {
+    key: "submitStream",
+    value: function submitStream() {
+      if (this.state.editLoaded) {
+        this.editStream();
+      } else {
+        this.createStream();
+      }
+    }
+  }, {
+    key: "editStream",
+    value: function editStream() {
+      if (!this.state.oldStream) return;
+
+      if (this.state.stream.des !== this.state.oldStream.des) {
+        this.props.api.hall({
+          depict: {
+            nom: this.state.oldStream.nom,
+            des: this.state.stream.des
+          }
+        });
+      }
+    }
+  }, {
+    key: "createStream",
+    value: function createStream() {
+      this.props.api.hall({
+        create: {
+          nom: this.state.stream.nom,
+          des: this.state.stream.des,
+          sec: this.state.stream.sec
+        }
+      });
+      this.setState({
+        loading: true
+      });
+      this.props.pushPending("circles", {
+        type: "subscribe-inbox",
+        data: {
+          cir: "~".concat(this.props.api.authTokens.ship, "/").concat(this.state.stream.nom)
+        }
+      });
+      this.props.pushPending("circle.config.dif.full", {
+        type: "transition",
+        data: {
+          target: "/~~/pages/nutalk/stream?station=~".concat(this.props.api.authTokens.ship, "/").concat(this.state.stream.nom)
+        }
+      });
+
+      if (this.state.stream.aud.length > 0) {
+        this.props.pushPending("circle.config.dif.full", {
+          type: "permit",
+          data: {
+            nom: this.state.stream.nom,
+            aud: this.state.stream.aud,
+            message: true
+          }
+        });
+      }
+    }
+  }, {
+    key: "valueChange",
+    value: function valueChange(event) {
+      var value = event.target.type === 'checkbox' ? event.target.checked : event.target.value;
+      var name = event.target.name;
+
+      var stream = _defineProperty({}, name, value);
+
+      if (name === "audRaw") {
+        stream.aud = value.split([", "]);
+      }
+
+      var des = stream.des || this.state.stream.des;
+      var aud = stream.aud || this.state.stream.aud;
+
+      if (des === "dm") {
+        stream.sec = "village";
+        stream.nom = "".concat(aud.concat(this.props.api.authTokens.ship).sort().join("."));
+      }
+
+      this.setState({
+        stream: Object.assign(this.state.stream, stream)
+      });
+    }
+  }, {
+    key: "addAud",
+    value: function addAud() {
+      var newStream = {};
+
+      if (this.state.editLoaded) {
+        this.props.api.permit(this.state.stream.nom, [this.state.stream.audNew], true);
+        newStream = {
+          audNew: ""
+        };
+      } else {
+        newStream = {
+          aud: this.state.stream.aud.concat(this.state.stream.audNew),
+          audNew: ""
+        };
+      }
+
+      var aud = newStream.aud || this.state.stream.aud;
+
+      if (this.state.stream.des === "dm") {
+        newStream.nom = "".concat(aud.concat(this.props.api.authTokens.ship).sort().join("."));
+      }
+
+      this.setState({
+        stream: Object.assign(this.state.stream, newStream)
+      });
+    }
+  }, {
+    key: "remAud",
+    value: function remAud(evt) {
+      var newStream = {};
+
+      if (this.state.editLoaded) {
+        this.props.api.hall({
+          permit: {
+            nom: this.state.stream.nom,
+            sis: [evt.target.dataset.ship],
+            inv: false
+          }
+        });
+      } else {
+        newStream.aud = this.state.stream.aud.filter(function (mem) {
+          return mem !== evt.target.dataset.ship;
+        });
+      }
+
+      var aud = newStream.aud || this.state.stream.aud;
+
+      if (this.state.stream.des === "dm") {
+        newStream.nom = "".concat(aud.concat(this.props.api.authTokens.ship).sort().join("."));
+      }
+
+      this.setState({
+        stream: Object.assign(this.state.stream, newStream)
+      });
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      var _this2 = this;
+
+      this.loadEdit();
+      var typeDesc = this.state.descriptions.type[this.state.stream.des];
+      var secDesc = this.state.descriptions.security[this.state.stream.sec];
+      var nomDisabled = this.state.loading || this.state.stream.des === "dm";
+      var secDisabled = this.state.loading || this.state.stream.des === "dm";
+      var audienceLabel = this.state.stream.sec === "village" || this.state.stream.sec === "journal" ? "Whitelist" : "Blacklist";
+      var audienceList = this.state.stream.aud.map(function (mem) {
+        if (mem === _this2.props.api.authTokens.ship) return null;
+        return react.createElement("div", {
+          key: mem,
+          className: "row space-between"
+        }, react.createElement("div", {
+          className: "col-sm-8"
+        }, "~".concat(mem)), react.createElement("div", {
+          className: "col-sm-offset-3 col-sm-1 minus",
+          "data-ship": mem,
+          onClick: _this2.remAud
+        }, "-"));
+      });
+      return react.createElement("div", {
+        className: "row"
+      }, react.createElement("div", {
+        className: "col-sm-12"
+      }, react.createElement("div", {
+        className: "create-stream-page"
+      }, react.createElement("div", {
+        className: "input-group mb-9"
+      }, react.createElement("label", {
+        htmlFor: "nom"
+      }, "Name"), react.createElement("input", {
+        type: "text",
+        className: "input-text-lg",
+        name: "nom",
+        placeholder: "Secret club",
+        disabled: nomDisabled,
+        onChange: this.valueChange,
+        value: this.state.stream.nom
+      })), react.createElement("div", {
+        className: "input-group mb-9"
+      }, react.createElement("label", {
+        htmlFor: "stream-type"
+      }, "Type"), react.createElement("div", {
+        className: "row"
+      }, react.createElement("div", {
+        className: "col-sm-6"
+      }, react.createElement("div", {
+        className: "select-dropdown",
+        disabled: this.state.loading
+      }, react.createElement("select", {
+        name: "des",
+        disabled: this.state.loading,
+        value: this.state.stream.des,
+        onChange: this.valueChange
+      }, react.createElement("option", {
+        value: "feed"
+      }, "Feed"), react.createElement("option", {
+        value: "chat"
+      }, "Chat"), react.createElement("option", {
+        value: "list"
+      }, "List"), react.createElement("option", {
+        value: "dm"
+      }, "DM")), react.createElement("span", {
+        className: "select-icon"
+      }, "\u2193"))), react.createElement("div", {
+        className: "col-sm-offset-1 col-sm-5"
+      }, react.createElement("i", null, typeDesc)))), react.createElement("div", {
+        className: "input-group mb-9"
+      }, react.createElement("label", {
+        htmlFor: "stream-security"
+      }, "Security model"), react.createElement("div", {
+        className: "row"
+      }, react.createElement("div", {
+        className: "col-sm-6"
+      }, react.createElement("div", {
+        className: "select-dropdown",
+        disabled: secDisabled
+      }, react.createElement("select", {
+        name: "sec",
+        disabled: secDisabled,
+        value: this.state.stream.sec,
+        onChange: this.valueChange
+      }, react.createElement("option", {
+        value: "village"
+      }, "Village"), react.createElement("option", {
+        value: "channel"
+      }, "Channel"), react.createElement("option", {
+        value: "journal"
+      }, "Journal"), react.createElement("option", {
+        value: "mailbox"
+      }, "Mailbox")), react.createElement("span", {
+        className: "select-icon"
+      }, "\u2193"))), react.createElement("div", {
+        className: "col-sm-offset-1 col-sm-5"
+      }, react.createElement("i", null, secDesc)))), react.createElement("div", {
+        className: "row"
+      }, react.createElement("div", {
+        className: "col-sm-6"
+      }, react.createElement("div", {
+        className: "input-group mb-9"
+      }, react.createElement("label", {
+        htmlFor: "stream-ships"
+      }, audienceLabel), audienceList, react.createElement("div", {
+        className: "text-700 mt-8"
+      }, "Add New"), react.createElement("div", {
+        className: "row"
+      }, react.createElement("input", {
+        type: "text",
+        name: "audNew",
+        className: "col-sm-8",
+        placeholder: "ramvel-rodpyl",
+        disabled: this.state.loading,
+        value: this.state.stream.audNew,
+        onChange: this.valueChange
+      }), react.createElement("span", {
+        className: "col-sm-offset-3 col-sm-1 plus",
+        onClick: this.addAud
+      }, "+"))))), react.createElement("div", {
+        className: "input-group input-group-radio mb-9"
+      }, react.createElement("div", {
+        className: "text-700 mt-4"
+      }, "Discoverable?"), react.createElement("label", {
+        htmlFor: "stream-discoverable-yes",
+        disabled: this.state.loading,
+        className: this.state.stream.dis === "yes" ? "radio-active" : ""
+      }, " Yes", react.createElement("input", {
+        type: "radio",
+        name: "dis",
+        value: "yes",
+        id: "stream-discoverable-yes",
+        disabled: this.state.loading,
+        checked: this.state.stream.dis === "yes",
+        onChange: this.valueChange
+      })), react.createElement("label", {
+        htmlFor: "stream-discoverable-no",
+        disabled: this.state.loading,
+        className: this.state.stream.dis === "no" ? "radio-active" : ""
+      }, " No", react.createElement("input", {
+        type: "radio",
+        name: "dis",
+        value: "no",
+        id: "stream-discoverable-no",
+        disabled: this.state.loading,
+        checked: this.state.stream.dis === "no",
+        onChange: this.valueChange
+      }))), react.createElement("button", {
+        type: "submit",
+        className: "btn btn-primary mt-12",
+        onClick: this.submitStream
+      }, this.state.editLoaded ? "Submit" : "Create", " \u2192"))), react.createElement("div", {
+        className: "sidebar fawef"
+      }, react.createElement("input", {
+        type: "text",
+        onChange: this.deleteChange
+      }), react.createElement("button", {
+        type: "button",
+        onClick: this.deleteStream
+      }, "Delete")));
+    }
+  }]);
+
+  return StreamCreatePage;
+}(react_1);
+
+var lookup = [];
+var revLookup = [];
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
+var inited = false;
+function init () {
+  inited = true;
+  var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+  for (var i = 0, len = code.length; i < len; ++i) {
+    lookup[i] = code[i];
+    revLookup[code.charCodeAt(i)] = i;
+  }
+
+  revLookup['-'.charCodeAt(0)] = 62;
+  revLookup['_'.charCodeAt(0)] = 63;
+}
+
+function toByteArray (b64) {
+  if (!inited) {
+    init();
+  }
+  var i, j, l, tmp, placeHolders, arr;
+  var len = b64.length;
+
+  if (len % 4 > 0) {
+    throw new Error('Invalid string. Length must be a multiple of 4')
+  }
+
+  // the number of equal signs (place holders)
+  // if there are two placeholders, than the two characters before it
+  // represent one byte
+  // if there is only one, then the three characters before it represent 2 bytes
+  // this is just a cheap hack to not do indexOf twice
+  placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0;
+
+  // base64 is 4/3 + up to two characters of the original data
+  arr = new Arr(len * 3 / 4 - placeHolders);
+
+  // if there are placeholders, only get up to the last complete 4 chars
+  l = placeHolders > 0 ? len - 4 : len;
+
+  var L = 0;
+
+  for (i = 0, j = 0; i < l; i += 4, j += 3) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)];
+    arr[L++] = (tmp >> 16) & 0xFF;
+    arr[L++] = (tmp >> 8) & 0xFF;
+    arr[L++] = tmp & 0xFF;
+  }
+
+  if (placeHolders === 2) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4);
+    arr[L++] = tmp & 0xFF;
+  } else if (placeHolders === 1) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2);
+    arr[L++] = (tmp >> 8) & 0xFF;
+    arr[L++] = tmp & 0xFF;
+  }
+
+  return arr
+}
+
+function tripletToBase64 (num) {
+  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
+}
+
+function encodeChunk (uint8, start, end) {
+  var tmp;
+  var output = [];
+  for (var i = start; i < end; i += 3) {
+    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]);
+    output.push(tripletToBase64(tmp));
+  }
+  return output.join('')
+}
+
+function fromByteArray (uint8) {
+  if (!inited) {
+    init();
+  }
+  var tmp;
+  var len = uint8.length;
+  var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes
+  var output = '';
+  var parts = [];
+  var maxChunkLength = 16383; // must be multiple of 3
+
+  // go through the array every three bytes, we'll deal with trailing stuff later
+  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)));
+  }
+
+  // pad the end with zeros, but make sure to not forget the extra bytes
+  if (extraBytes === 1) {
+    tmp = uint8[len - 1];
+    output += lookup[tmp >> 2];
+    output += lookup[(tmp << 4) & 0x3F];
+    output += '==';
+  } else if (extraBytes === 2) {
+    tmp = (uint8[len - 2] << 8) + (uint8[len - 1]);
+    output += lookup[tmp >> 10];
+    output += lookup[(tmp >> 4) & 0x3F];
+    output += lookup[(tmp << 2) & 0x3F];
+    output += '=';
+  }
+
+  parts.push(output);
+
+  return parts.join('')
+}
+
+function read (buffer, offset, isLE, mLen, nBytes) {
+  var e, m;
+  var eLen = nBytes * 8 - mLen - 1;
+  var eMax = (1 << eLen) - 1;
+  var eBias = eMax >> 1;
+  var nBits = -7;
+  var i = isLE ? (nBytes - 1) : 0;
+  var d = isLE ? -1 : 1;
+  var s = buffer[offset + i];
+
+  i += d;
+
+  e = s & ((1 << (-nBits)) - 1);
+  s >>= (-nBits);
+  nBits += eLen;
+  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+  m = e & ((1 << (-nBits)) - 1);
+  e >>= (-nBits);
+  nBits += mLen;
+  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+  if (e === 0) {
+    e = 1 - eBias;
+  } else if (e === eMax) {
+    return m ? NaN : ((s ? -1 : 1) * Infinity)
+  } else {
+    m = m + Math.pow(2, mLen);
+    e = e - eBias;
+  }
+  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+}
+
+function write (buffer, value, offset, isLE, mLen, nBytes) {
+  var e, m, c;
+  var eLen = nBytes * 8 - mLen - 1;
+  var eMax = (1 << eLen) - 1;
+  var eBias = eMax >> 1;
+  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0);
+  var i = isLE ? 0 : (nBytes - 1);
+  var d = isLE ? 1 : -1;
+  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;
+
+  value = Math.abs(value);
+
+  if (isNaN(value) || value === Infinity) {
+    m = isNaN(value) ? 1 : 0;
+    e = eMax;
+  } else {
+    e = Math.floor(Math.log(value) / Math.LN2);
+    if (value * (c = Math.pow(2, -e)) < 1) {
+      e--;
+      c *= 2;
+    }
+    if (e + eBias >= 1) {
+      value += rt / c;
+    } else {
+      value += rt * Math.pow(2, 1 - eBias);
+    }
+    if (value * c >= 2) {
+      e++;
+      c /= 2;
+    }
+
+    if (e + eBias >= eMax) {
+      m = 0;
+      e = eMax;
+    } else if (e + eBias >= 1) {
+      m = (value * c - 1) * Math.pow(2, mLen);
+      e = e + eBias;
+    } else {
+      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
+      e = 0;
+    }
+  }
+
+  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+  e = (e << mLen) | m;
+  eLen += mLen;
+  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+  buffer[offset + i - d] |= s * 128;
+}
+
+var toString$2 = {}.toString;
+
+var isArray$1 = Array.isArray || function (arr) {
+  return toString$2.call(arr) == '[object Array]';
+};
+
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license  MIT
+ */
+/* eslint-disable no-proto */
+
+
+var INSPECT_MAX_BYTES = 50;
+
+/**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ *   === true    Use Uint8Array implementation (fastest)
+ *   === false   Use Object implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * Due to various browser bugs, sometimes the Object implementation will be used even
+ * when the browser supports typed arrays.
+ *
+ * Note:
+ *
+ *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
+ *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
+ *
+ *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
+ *
+ *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
+ *     incorrect length in some situations.
+
+ * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
+ * get the Object implementation, which is slower but behaves correctly.
+ */
+Buffer$1.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
+  ? global.TYPED_ARRAY_SUPPORT
+  : true;
+
+/*
+ * Export kMaxLength after typed array support is determined.
+ */
+var _kMaxLength = kMaxLength();
+function kMaxLength () {
+  return Buffer$1.TYPED_ARRAY_SUPPORT
+    ? 0x7fffffff
+    : 0x3fffffff
+}
+
+function createBuffer (that, length) {
+  if (kMaxLength() < length) {
+    throw new RangeError('Invalid typed array length')
+  }
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    // Return an augmented `Uint8Array` instance, for best performance
+    that = new Uint8Array(length);
+    that.__proto__ = Buffer$1.prototype;
+  } else {
+    // Fallback: Return an object instance of the Buffer class
+    if (that === null) {
+      that = new Buffer$1(length);
+    }
+    that.length = length;
+  }
+
+  return that
+}
+
+/**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+function Buffer$1 (arg, encodingOrOffset, length) {
+  if (!Buffer$1.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer$1)) {
+    return new Buffer$1(arg, encodingOrOffset, length)
+  }
+
+  // Common case.
+  if (typeof arg === 'number') {
+    if (typeof encodingOrOffset === 'string') {
+      throw new Error(
+        'If encoding is specified then the first argument must be a string'
+      )
+    }
+    return allocUnsafe(this, arg)
+  }
+  return from$1(this, arg, encodingOrOffset, length)
+}
+
+Buffer$1.poolSize = 8192; // not used by this implementation
+
+// TODO: Legacy, not needed anymore. Remove in next major version.
+Buffer$1._augment = function (arr) {
+  arr.__proto__ = Buffer$1.prototype;
+  return arr
+};
+
+function from$1 (that, value, encodingOrOffset, length) {
+  if (typeof value === 'number') {
+    throw new TypeError('"value" argument must not be a number')
+  }
+
+  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
+    return fromArrayBuffer(that, value, encodingOrOffset, length)
+  }
+
+  if (typeof value === 'string') {
+    return fromString(that, value, encodingOrOffset)
+  }
+
+  return fromObject(that, value)
+}
+
+/**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+Buffer$1.from = function (value, encodingOrOffset, length) {
+  return from$1(null, value, encodingOrOffset, length)
+};
+
+if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+  Buffer$1.prototype.__proto__ = Uint8Array.prototype;
+  Buffer$1.__proto__ = Uint8Array;
+  
+}
+
+function assertSize (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('"size" argument must be a number')
+  } else if (size < 0) {
+    throw new RangeError('"size" argument must not be negative')
+  }
+}
+
+function alloc (that, size, fill, encoding) {
+  assertSize(size);
+  if (size <= 0) {
+    return createBuffer(that, size)
+  }
+  if (fill !== undefined) {
+    // Only pay attention to encoding if it's a string. This
+    // prevents accidentally sending in a number that would
+    // be interpretted as a start offset.
+    return typeof encoding === 'string'
+      ? createBuffer(that, size).fill(fill, encoding)
+      : createBuffer(that, size).fill(fill)
+  }
+  return createBuffer(that, size)
+}
+
+/**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+Buffer$1.alloc = function (size, fill, encoding) {
+  return alloc(null, size, fill, encoding)
+};
+
+function allocUnsafe (that, size) {
+  assertSize(size);
+  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0);
+  if (!Buffer$1.TYPED_ARRAY_SUPPORT) {
+    for (var i = 0; i < size; ++i) {
+      that[i] = 0;
+    }
+  }
+  return that
+}
+
+/**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+Buffer$1.allocUnsafe = function (size) {
+  return allocUnsafe(null, size)
+};
+/**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+Buffer$1.allocUnsafeSlow = function (size) {
+  return allocUnsafe(null, size)
+};
+
+function fromString (that, string, encoding) {
+  if (typeof encoding !== 'string' || encoding === '') {
+    encoding = 'utf8';
+  }
+
+  if (!Buffer$1.isEncoding(encoding)) {
+    throw new TypeError('"encoding" must be a valid string encoding')
+  }
+
+  var length = byteLength(string, encoding) | 0;
+  that = createBuffer(that, length);
+
+  var actual = that.write(string, encoding);
+
+  if (actual !== length) {
+    // Writing a hex string, for example, that contains invalid characters will
+    // cause everything after the first invalid character to be ignored. (e.g.
+    // 'abxxcd' will be treated as 'ab')
+    that = that.slice(0, actual);
+  }
+
+  return that
+}
+
+function fromArrayLike (that, array) {
+  var length = array.length < 0 ? 0 : checked(array.length) | 0;
+  that = createBuffer(that, length);
+  for (var i = 0; i < length; i += 1) {
+    that[i] = array[i] & 255;
+  }
+  return that
+}
+
+function fromArrayBuffer (that, array, byteOffset, length) {
+  array.byteLength; // this throws if `array` is not a valid ArrayBuffer
+
+  if (byteOffset < 0 || array.byteLength < byteOffset) {
+    throw new RangeError('\'offset\' is out of bounds')
+  }
+
+  if (array.byteLength < byteOffset + (length || 0)) {
+    throw new RangeError('\'length\' is out of bounds')
+  }
+
+  if (byteOffset === undefined && length === undefined) {
+    array = new Uint8Array(array);
+  } else if (length === undefined) {
+    array = new Uint8Array(array, byteOffset);
+  } else {
+    array = new Uint8Array(array, byteOffset, length);
+  }
+
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    // Return an augmented `Uint8Array` instance, for best performance
+    that = array;
+    that.__proto__ = Buffer$1.prototype;
+  } else {
+    // Fallback: Return an object instance of the Buffer class
+    that = fromArrayLike(that, array);
+  }
+  return that
+}
+
+function fromObject (that, obj) {
+  if (internalIsBuffer(obj)) {
+    var len = checked(obj.length) | 0;
+    that = createBuffer(that, len);
+
+    if (that.length === 0) {
+      return that
+    }
+
+    obj.copy(that, 0, 0, len);
+    return that
+  }
+
+  if (obj) {
+    if ((typeof ArrayBuffer !== 'undefined' &&
+        obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
+      if (typeof obj.length !== 'number' || isnan(obj.length)) {
+        return createBuffer(that, 0)
+      }
+      return fromArrayLike(that, obj)
+    }
+
+    if (obj.type === 'Buffer' && isArray$1(obj.data)) {
+      return fromArrayLike(that, obj.data)
+    }
+  }
+
+  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
+}
+
+function checked (length) {
+  // Note: cannot use `length < kMaxLength()` here because that fails when
+  // length is NaN (which is otherwise coerced to zero.)
+  if (length >= kMaxLength()) {
+    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+                         'size: 0x' + kMaxLength().toString(16) + ' bytes')
+  }
+  return length | 0
+}
+
+function SlowBuffer (length) {
+  if (+length != length) { // eslint-disable-line eqeqeq
+    length = 0;
+  }
+  return Buffer$1.alloc(+length)
+}
+Buffer$1.isBuffer = isBuffer;
+function internalIsBuffer (b) {
+  return !!(b != null && b._isBuffer)
+}
+
+Buffer$1.compare = function compare (a, b) {
+  if (!internalIsBuffer(a) || !internalIsBuffer(b)) {
+    throw new TypeError('Arguments must be Buffers')
+  }
+
+  if (a === b) return 0
+
+  var x = a.length;
+  var y = b.length;
+
+  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+    if (a[i] !== b[i]) {
+      x = a[i];
+      y = b[i];
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+};
+
+Buffer$1.isEncoding = function isEncoding (encoding) {
+  switch (String(encoding).toLowerCase()) {
+    case 'hex':
+    case 'utf8':
+    case 'utf-8':
+    case 'ascii':
+    case 'latin1':
+    case 'binary':
+    case 'base64':
+    case 'ucs2':
+    case 'ucs-2':
+    case 'utf16le':
+    case 'utf-16le':
+      return true
+    default:
+      return false
+  }
+};
+
+Buffer$1.concat = function concat (list, length) {
+  if (!isArray$1(list)) {
+    throw new TypeError('"list" argument must be an Array of Buffers')
+  }
+
+  if (list.length === 0) {
+    return Buffer$1.alloc(0)
+  }
+
+  var i;
+  if (length === undefined) {
+    length = 0;
+    for (i = 0; i < list.length; ++i) {
+      length += list[i].length;
+    }
+  }
+
+  var buffer = Buffer$1.allocUnsafe(length);
+  var pos = 0;
+  for (i = 0; i < list.length; ++i) {
+    var buf = list[i];
+    if (!internalIsBuffer(buf)) {
+      throw new TypeError('"list" argument must be an Array of Buffers')
+    }
+    buf.copy(buffer, pos);
+    pos += buf.length;
+  }
+  return buffer
+};
+
+function byteLength (string, encoding) {
+  if (internalIsBuffer(string)) {
+    return string.length
+  }
+  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
+      (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
+    return string.byteLength
+  }
+  if (typeof string !== 'string') {
+    string = '' + string;
+  }
+
+  var len = string.length;
+  if (len === 0) return 0
+
+  // Use a for loop to avoid recursion
+  var loweredCase = false;
+  for (;;) {
+    switch (encoding) {
+      case 'ascii':
+      case 'latin1':
+      case 'binary':
+        return len
+      case 'utf8':
+      case 'utf-8':
+      case undefined:
+        return utf8ToBytes(string).length
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return len * 2
+      case 'hex':
+        return len >>> 1
+      case 'base64':
+        return base64ToBytes(string).length
+      default:
+        if (loweredCase) return utf8ToBytes(string).length // assume utf8
+        encoding = ('' + encoding).toLowerCase();
+        loweredCase = true;
+    }
+  }
+}
+Buffer$1.byteLength = byteLength;
+
+function slowToString (encoding, start, end) {
+  var loweredCase = false;
+
+  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+  // property of a typed array.
+
+  // This behaves neither like String nor Uint8Array in that we set start/end
+  // to their upper/lower bounds if the value passed is out of range.
+  // undefined is handled specially as per ECMA-262 6th Edition,
+  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+  if (start === undefined || start < 0) {
+    start = 0;
+  }
+  // Return early if start > this.length. Done here to prevent potential uint32
+  // coercion fail below.
+  if (start > this.length) {
+    return ''
+  }
+
+  if (end === undefined || end > this.length) {
+    end = this.length;
+  }
+
+  if (end <= 0) {
+    return ''
+  }
+
+  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+  end >>>= 0;
+  start >>>= 0;
+
+  if (end <= start) {
+    return ''
+  }
+
+  if (!encoding) encoding = 'utf8';
+
+  while (true) {
+    switch (encoding) {
+      case 'hex':
+        return hexSlice(this, start, end)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Slice(this, start, end)
+
+      case 'ascii':
+        return asciiSlice(this, start, end)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Slice(this, start, end)
+
+      case 'base64':
+        return base64Slice(this, start, end)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return utf16leSlice(this, start, end)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = (encoding + '').toLowerCase();
+        loweredCase = true;
+    }
+  }
+}
+
+// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
+// Buffer instances.
+Buffer$1.prototype._isBuffer = true;
+
+function swap (b, n, m) {
+  var i = b[n];
+  b[n] = b[m];
+  b[m] = i;
+}
+
+Buffer$1.prototype.swap16 = function swap16 () {
+  var len = this.length;
+  if (len % 2 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 16-bits')
+  }
+  for (var i = 0; i < len; i += 2) {
+    swap(this, i, i + 1);
+  }
+  return this
+};
+
+Buffer$1.prototype.swap32 = function swap32 () {
+  var len = this.length;
+  if (len % 4 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 32-bits')
+  }
+  for (var i = 0; i < len; i += 4) {
+    swap(this, i, i + 3);
+    swap(this, i + 1, i + 2);
+  }
+  return this
+};
+
+Buffer$1.prototype.swap64 = function swap64 () {
+  var len = this.length;
+  if (len % 8 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 64-bits')
+  }
+  for (var i = 0; i < len; i += 8) {
+    swap(this, i, i + 7);
+    swap(this, i + 1, i + 6);
+    swap(this, i + 2, i + 5);
+    swap(this, i + 3, i + 4);
+  }
+  return this
+};
+
+Buffer$1.prototype.toString = function toString () {
+  var length = this.length | 0;
+  if (length === 0) return ''
+  if (arguments.length === 0) return utf8Slice(this, 0, length)
+  return slowToString.apply(this, arguments)
+};
+
+Buffer$1.prototype.equals = function equals (b) {
+  if (!internalIsBuffer(b)) throw new TypeError('Argument must be a Buffer')
+  if (this === b) return true
+  return Buffer$1.compare(this, b) === 0
+};
+
+Buffer$1.prototype.inspect = function inspect () {
+  var str = '';
+  var max = INSPECT_MAX_BYTES;
+  if (this.length > 0) {
+    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ');
+    if (this.length > max) str += ' ... ';
+  }
+  return '<Buffer ' + str + '>'
+};
+
+Buffer$1.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+  if (!internalIsBuffer(target)) {
+    throw new TypeError('Argument must be a Buffer')
+  }
+
+  if (start === undefined) {
+    start = 0;
+  }
+  if (end === undefined) {
+    end = target ? target.length : 0;
+  }
+  if (thisStart === undefined) {
+    thisStart = 0;
+  }
+  if (thisEnd === undefined) {
+    thisEnd = this.length;
+  }
+
+  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+    throw new RangeError('out of range index')
+  }
+
+  if (thisStart >= thisEnd && start >= end) {
+    return 0
+  }
+  if (thisStart >= thisEnd) {
+    return -1
+  }
+  if (start >= end) {
+    return 1
+  }
+
+  start >>>= 0;
+  end >>>= 0;
+  thisStart >>>= 0;
+  thisEnd >>>= 0;
+
+  if (this === target) return 0
+
+  var x = thisEnd - thisStart;
+  var y = end - start;
+  var len = Math.min(x, y);
+
+  var thisCopy = this.slice(thisStart, thisEnd);
+  var targetCopy = target.slice(start, end);
+
+  for (var i = 0; i < len; ++i) {
+    if (thisCopy[i] !== targetCopy[i]) {
+      x = thisCopy[i];
+      y = targetCopy[i];
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+};
+
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+  // Empty buffer means no match
+  if (buffer.length === 0) return -1
+
+  // Normalize byteOffset
+  if (typeof byteOffset === 'string') {
+    encoding = byteOffset;
+    byteOffset = 0;
+  } else if (byteOffset > 0x7fffffff) {
+    byteOffset = 0x7fffffff;
+  } else if (byteOffset < -0x80000000) {
+    byteOffset = -0x80000000;
+  }
+  byteOffset = +byteOffset;  // Coerce to Number.
+  if (isNaN(byteOffset)) {
+    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+    byteOffset = dir ? 0 : (buffer.length - 1);
+  }
+
+  // Normalize byteOffset: negative offsets start from the end of the buffer
+  if (byteOffset < 0) byteOffset = buffer.length + byteOffset;
+  if (byteOffset >= buffer.length) {
+    if (dir) return -1
+    else byteOffset = buffer.length - 1;
+  } else if (byteOffset < 0) {
+    if (dir) byteOffset = 0;
+    else return -1
+  }
+
+  // Normalize val
+  if (typeof val === 'string') {
+    val = Buffer$1.from(val, encoding);
+  }
+
+  // Finally, search either indexOf (if dir is true) or lastIndexOf
+  if (internalIsBuffer(val)) {
+    // Special case: looking for empty string/buffer always fails
+    if (val.length === 0) {
+      return -1
+    }
+    return arrayIndexOf$1(buffer, val, byteOffset, encoding, dir)
+  } else if (typeof val === 'number') {
+    val = val & 0xFF; // Search for a byte value [0-255]
+    if (Buffer$1.TYPED_ARRAY_SUPPORT &&
+        typeof Uint8Array.prototype.indexOf === 'function') {
+      if (dir) {
+        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+      } else {
+        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+      }
+    }
+    return arrayIndexOf$1(buffer, [ val ], byteOffset, encoding, dir)
+  }
+
+  throw new TypeError('val must be string, number or Buffer')
+}
+
+function arrayIndexOf$1 (arr, val, byteOffset, encoding, dir) {
+  var indexSize = 1;
+  var arrLength = arr.length;
+  var valLength = val.length;
+
+  if (encoding !== undefined) {
+    encoding = String(encoding).toLowerCase();
+    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+        encoding === 'utf16le' || encoding === 'utf-16le') {
+      if (arr.length < 2 || val.length < 2) {
+        return -1
+      }
+      indexSize = 2;
+      arrLength /= 2;
+      valLength /= 2;
+      byteOffset /= 2;
+    }
+  }
+
+  function read$$1 (buf, i) {
+    if (indexSize === 1) {
+      return buf[i]
+    } else {
+      return buf.readUInt16BE(i * indexSize)
+    }
+  }
+
+  var i;
+  if (dir) {
+    var foundIndex = -1;
+    for (i = byteOffset; i < arrLength; i++) {
+      if (read$$1(arr, i) === read$$1(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+        if (foundIndex === -1) foundIndex = i;
+        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+      } else {
+        if (foundIndex !== -1) i -= i - foundIndex;
+        foundIndex = -1;
+      }
+    }
+  } else {
+    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;
+    for (i = byteOffset; i >= 0; i--) {
+      var found = true;
+      for (var j = 0; j < valLength; j++) {
+        if (read$$1(arr, i + j) !== read$$1(val, j)) {
+          found = false;
+          break
+        }
+      }
+      if (found) return i
+    }
+  }
+
+  return -1
+}
+
+Buffer$1.prototype.includes = function includes (val, byteOffset, encoding) {
+  return this.indexOf(val, byteOffset, encoding) !== -1
+};
+
+Buffer$1.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+};
+
+Buffer$1.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+};
+
+function hexWrite (buf, string, offset, length) {
+  offset = Number(offset) || 0;
+  var remaining = buf.length - offset;
+  if (!length) {
+    length = remaining;
+  } else {
+    length = Number(length);
+    if (length > remaining) {
+      length = remaining;
+    }
+  }
+
+  // must be an even number of digits
+  var strLen = string.length;
+  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
+
+  if (length > strLen / 2) {
+    length = strLen / 2;
+  }
+  for (var i = 0; i < length; ++i) {
+    var parsed = parseInt(string.substr(i * 2, 2), 16);
+    if (isNaN(parsed)) return i
+    buf[offset + i] = parsed;
+  }
+  return i
+}
+
+function utf8Write (buf, string, offset, length) {
+  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+function asciiWrite (buf, string, offset, length) {
+  return blitBuffer(asciiToBytes(string), buf, offset, length)
+}
+
+function latin1Write (buf, string, offset, length) {
+  return asciiWrite(buf, string, offset, length)
+}
+
+function base64Write (buf, string, offset, length) {
+  return blitBuffer(base64ToBytes(string), buf, offset, length)
+}
+
+function ucs2Write (buf, string, offset, length) {
+  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+Buffer$1.prototype.write = function write$$1 (string, offset, length, encoding) {
+  // Buffer#write(string)
+  if (offset === undefined) {
+    encoding = 'utf8';
+    length = this.length;
+    offset = 0;
+  // Buffer#write(string, encoding)
+  } else if (length === undefined && typeof offset === 'string') {
+    encoding = offset;
+    length = this.length;
+    offset = 0;
+  // Buffer#write(string, offset[, length][, encoding])
+  } else if (isFinite(offset)) {
+    offset = offset | 0;
+    if (isFinite(length)) {
+      length = length | 0;
+      if (encoding === undefined) encoding = 'utf8';
+    } else {
+      encoding = length;
+      length = undefined;
+    }
+  // legacy write(string, encoding, offset, length) - remove in v0.13
+  } else {
+    throw new Error(
+      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+    )
+  }
+
+  var remaining = this.length - offset;
+  if (length === undefined || length > remaining) length = remaining;
+
+  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+    throw new RangeError('Attempt to write outside buffer bounds')
+  }
+
+  if (!encoding) encoding = 'utf8';
+
+  var loweredCase = false;
+  for (;;) {
+    switch (encoding) {
+      case 'hex':
+        return hexWrite(this, string, offset, length)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Write(this, string, offset, length)
+
+      case 'ascii':
+        return asciiWrite(this, string, offset, length)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Write(this, string, offset, length)
+
+      case 'base64':
+        // Warning: maxLength not taken into account in base64Write
+        return base64Write(this, string, offset, length)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return ucs2Write(this, string, offset, length)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = ('' + encoding).toLowerCase();
+        loweredCase = true;
+    }
+  }
+};
+
+Buffer$1.prototype.toJSON = function toJSON () {
+  return {
+    type: 'Buffer',
+    data: Array.prototype.slice.call(this._arr || this, 0)
+  }
+};
+
+function base64Slice (buf, start, end) {
+  if (start === 0 && end === buf.length) {
+    return fromByteArray(buf)
+  } else {
+    return fromByteArray(buf.slice(start, end))
+  }
+}
+
+function utf8Slice (buf, start, end) {
+  end = Math.min(buf.length, end);
+  var res = [];
+
+  var i = start;
+  while (i < end) {
+    var firstByte = buf[i];
+    var codePoint = null;
+    var bytesPerSequence = (firstByte > 0xEF) ? 4
+      : (firstByte > 0xDF) ? 3
+      : (firstByte > 0xBF) ? 2
+      : 1;
+
+    if (i + bytesPerSequence <= end) {
+      var secondByte, thirdByte, fourthByte, tempCodePoint;
+
+      switch (bytesPerSequence) {
+        case 1:
+          if (firstByte < 0x80) {
+            codePoint = firstByte;
+          }
+          break
+        case 2:
+          secondByte = buf[i + 1];
+          if ((secondByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F);
+            if (tempCodePoint > 0x7F) {
+              codePoint = tempCodePoint;
+            }
+          }
+          break
+        case 3:
+          secondByte = buf[i + 1];
+          thirdByte = buf[i + 2];
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F);
+            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+              codePoint = tempCodePoint;
+            }
+          }
+          break
+        case 4:
+          secondByte = buf[i + 1];
+          thirdByte = buf[i + 2];
+          fourthByte = buf[i + 3];
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F);
+            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+              codePoint = tempCodePoint;
+            }
+          }
+      }
+    }
+
+    if (codePoint === null) {
+      // we did not generate a valid codePoint so insert a
+      // replacement char (U+FFFD) and advance only 1 byte
+      codePoint = 0xFFFD;
+      bytesPerSequence = 1;
+    } else if (codePoint > 0xFFFF) {
+      // encode to utf16 (surrogate pair dance)
+      codePoint -= 0x10000;
+      res.push(codePoint >>> 10 & 0x3FF | 0xD800);
+      codePoint = 0xDC00 | codePoint & 0x3FF;
+    }
+
+    res.push(codePoint);
+    i += bytesPerSequence;
+  }
+
+  return decodeCodePointsArray(res)
+}
+
+// Based on http://stackoverflow.com/a/22747272/680742, the browser with
+// the lowest limit is Chrome, with 0x10000 args.
+// We go 1 magnitude less, for safety
+var MAX_ARGUMENTS_LENGTH = 0x1000;
+
+function decodeCodePointsArray (codePoints) {
+  var len = codePoints.length;
+  if (len <= MAX_ARGUMENTS_LENGTH) {
+    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+  }
+
+  // Decode in chunks to avoid "call stack size exceeded".
+  var res = '';
+  var i = 0;
+  while (i < len) {
+    res += String.fromCharCode.apply(
+      String,
+      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+    );
+  }
+  return res
+}
+
+function asciiSlice (buf, start, end) {
+  var ret = '';
+  end = Math.min(buf.length, end);
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i] & 0x7F);
+  }
+  return ret
+}
+
+function latin1Slice (buf, start, end) {
+  var ret = '';
+  end = Math.min(buf.length, end);
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i]);
+  }
+  return ret
+}
+
+function hexSlice (buf, start, end) {
+  var len = buf.length;
+
+  if (!start || start < 0) start = 0;
+  if (!end || end < 0 || end > len) end = len;
+
+  var out = '';
+  for (var i = start; i < end; ++i) {
+    out += toHex(buf[i]);
+  }
+  return out
+}
+
+function utf16leSlice (buf, start, end) {
+  var bytes = buf.slice(start, end);
+  var res = '';
+  for (var i = 0; i < bytes.length; i += 2) {
+    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
+  }
+  return res
+}
+
+Buffer$1.prototype.slice = function slice (start, end) {
+  var len = this.length;
+  start = ~~start;
+  end = end === undefined ? len : ~~end;
+
+  if (start < 0) {
+    start += len;
+    if (start < 0) start = 0;
+  } else if (start > len) {
+    start = len;
+  }
+
+  if (end < 0) {
+    end += len;
+    if (end < 0) end = 0;
+  } else if (end > len) {
+    end = len;
+  }
+
+  if (end < start) end = start;
+
+  var newBuf;
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    newBuf = this.subarray(start, end);
+    newBuf.__proto__ = Buffer$1.prototype;
+  } else {
+    var sliceLen = end - start;
+    newBuf = new Buffer$1(sliceLen, undefined);
+    for (var i = 0; i < sliceLen; ++i) {
+      newBuf[i] = this[i + start];
+    }
+  }
+
+  return newBuf
+};
+
+/*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+function checkOffset (offset, ext, length) {
+  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+}
+
+Buffer$1.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+  offset = offset | 0;
+  byteLength = byteLength | 0;
+  if (!noAssert) checkOffset(offset, byteLength, this.length);
+
+  var val = this[offset];
+  var mul = 1;
+  var i = 0;
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul;
+  }
+
+  return val
+};
+
+Buffer$1.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+  offset = offset | 0;
+  byteLength = byteLength | 0;
+  if (!noAssert) {
+    checkOffset(offset, byteLength, this.length);
+  }
+
+  var val = this[offset + --byteLength];
+  var mul = 1;
+  while (byteLength > 0 && (mul *= 0x100)) {
+    val += this[offset + --byteLength] * mul;
+  }
+
+  return val
+};
+
+Buffer$1.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 1, this.length);
+  return this[offset]
+};
+
+Buffer$1.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length);
+  return this[offset] | (this[offset + 1] << 8)
+};
+
+Buffer$1.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length);
+  return (this[offset] << 8) | this[offset + 1]
+};
+
+Buffer$1.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length);
+
+  return ((this[offset]) |
+      (this[offset + 1] << 8) |
+      (this[offset + 2] << 16)) +
+      (this[offset + 3] * 0x1000000)
+};
+
+Buffer$1.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length);
+
+  return (this[offset] * 0x1000000) +
+    ((this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    this[offset + 3])
+};
+
+Buffer$1.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+  offset = offset | 0;
+  byteLength = byteLength | 0;
+  if (!noAssert) checkOffset(offset, byteLength, this.length);
+
+  var val = this[offset];
+  var mul = 1;
+  var i = 0;
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul;
+  }
+  mul *= 0x80;
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+
+  return val
+};
+
+Buffer$1.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+  offset = offset | 0;
+  byteLength = byteLength | 0;
+  if (!noAssert) checkOffset(offset, byteLength, this.length);
+
+  var i = byteLength;
+  var mul = 1;
+  var val = this[offset + --i];
+  while (i > 0 && (mul *= 0x100)) {
+    val += this[offset + --i] * mul;
+  }
+  mul *= 0x80;
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+
+  return val
+};
+
+Buffer$1.prototype.readInt8 = function readInt8 (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 1, this.length);
+  if (!(this[offset] & 0x80)) return (this[offset])
+  return ((0xff - this[offset] + 1) * -1)
+};
+
+Buffer$1.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length);
+  var val = this[offset] | (this[offset + 1] << 8);
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+};
+
+Buffer$1.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 2, this.length);
+  var val = this[offset + 1] | (this[offset] << 8);
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+};
+
+Buffer$1.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length);
+
+  return (this[offset]) |
+    (this[offset + 1] << 8) |
+    (this[offset + 2] << 16) |
+    (this[offset + 3] << 24)
+};
+
+Buffer$1.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length);
+
+  return (this[offset] << 24) |
+    (this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    (this[offset + 3])
+};
+
+Buffer$1.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length);
+  return read(this, offset, true, 23, 4)
+};
+
+Buffer$1.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 4, this.length);
+  return read(this, offset, false, 23, 4)
+};
+
+Buffer$1.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 8, this.length);
+  return read(this, offset, true, 52, 8)
+};
+
+Buffer$1.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+  if (!noAssert) checkOffset(offset, 8, this.length);
+  return read(this, offset, false, 52, 8)
+};
+
+function checkInt (buf, value, offset, ext, max, min) {
+  if (!internalIsBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+}
+
+Buffer$1.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  byteLength = byteLength | 0;
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+    checkInt(this, value, offset, byteLength, maxBytes, 0);
+  }
+
+  var mul = 1;
+  var i = 0;
+  this[offset] = value & 0xFF;
+  while (++i < byteLength && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF;
+  }
+
+  return offset + byteLength
+};
+
+Buffer$1.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  byteLength = byteLength | 0;
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+    checkInt(this, value, offset, byteLength, maxBytes, 0);
+  }
+
+  var i = byteLength - 1;
+  var mul = 1;
+  this[offset + i] = value & 0xFF;
+  while (--i >= 0 && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF;
+  }
+
+  return offset + byteLength
+};
+
+Buffer$1.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0);
+  if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
+  this[offset] = (value & 0xff);
+  return offset + 1
+};
+
+function objectWriteUInt16 (buf, value, offset, littleEndian) {
+  if (value < 0) value = 0xffff + value + 1;
+  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
+    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
+      (littleEndian ? i : 1 - i) * 8;
+  }
+}
+
+Buffer$1.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value & 0xff);
+    this[offset + 1] = (value >>> 8);
+  } else {
+    objectWriteUInt16(this, value, offset, true);
+  }
+  return offset + 2
+};
+
+Buffer$1.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 8);
+    this[offset + 1] = (value & 0xff);
+  } else {
+    objectWriteUInt16(this, value, offset, false);
+  }
+  return offset + 2
+};
+
+function objectWriteUInt32 (buf, value, offset, littleEndian) {
+  if (value < 0) value = 0xffffffff + value + 1;
+  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
+    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff;
+  }
+}
+
+Buffer$1.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    this[offset + 3] = (value >>> 24);
+    this[offset + 2] = (value >>> 16);
+    this[offset + 1] = (value >>> 8);
+    this[offset] = (value & 0xff);
+  } else {
+    objectWriteUInt32(this, value, offset, true);
+  }
+  return offset + 4
+};
+
+Buffer$1.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 24);
+    this[offset + 1] = (value >>> 16);
+    this[offset + 2] = (value >>> 8);
+    this[offset + 3] = (value & 0xff);
+  } else {
+    objectWriteUInt32(this, value, offset, false);
+  }
+  return offset + 4
+};
+
+Buffer$1.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) {
+    var limit = Math.pow(2, 8 * byteLength - 1);
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit);
+  }
+
+  var i = 0;
+  var mul = 1;
+  var sub = 0;
+  this[offset] = value & 0xFF;
+  while (++i < byteLength && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+      sub = 1;
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF;
+  }
+
+  return offset + byteLength
+};
+
+Buffer$1.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) {
+    var limit = Math.pow(2, 8 * byteLength - 1);
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit);
+  }
+
+  var i = byteLength - 1;
+  var mul = 1;
+  var sub = 0;
+  this[offset + i] = value & 0xFF;
+  while (--i >= 0 && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+      sub = 1;
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF;
+  }
+
+  return offset + byteLength
+};
+
+Buffer$1.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80);
+  if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
+  if (value < 0) value = 0xff + value + 1;
+  this[offset] = (value & 0xff);
+  return offset + 1
+};
+
+Buffer$1.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value & 0xff);
+    this[offset + 1] = (value >>> 8);
+  } else {
+    objectWriteUInt16(this, value, offset, true);
+  }
+  return offset + 2
+};
+
+Buffer$1.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 8);
+    this[offset + 1] = (value & 0xff);
+  } else {
+    objectWriteUInt16(this, value, offset, false);
+  }
+  return offset + 2
+};
+
+Buffer$1.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value & 0xff);
+    this[offset + 1] = (value >>> 8);
+    this[offset + 2] = (value >>> 16);
+    this[offset + 3] = (value >>> 24);
+  } else {
+    objectWriteUInt32(this, value, offset, true);
+  }
+  return offset + 4
+};
+
+Buffer$1.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+  value = +value;
+  offset = offset | 0;
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
+  if (value < 0) value = 0xffffffff + value + 1;
+  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
+    this[offset] = (value >>> 24);
+    this[offset + 1] = (value >>> 16);
+    this[offset + 2] = (value >>> 8);
+    this[offset + 3] = (value & 0xff);
+  } else {
+    objectWriteUInt32(this, value, offset, false);
+  }
+  return offset + 4
+};
+
+function checkIEEE754 (buf, value, offset, ext, max, min) {
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+  if (offset < 0) throw new RangeError('Index out of range')
+}
+
+function writeFloat (buf, value, offset, littleEndian, noAssert) {
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38);
+  }
+  write(buf, value, offset, littleEndian, 23, 4);
+  return offset + 4
+}
+
+Buffer$1.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, true, noAssert)
+};
+
+Buffer$1.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, false, noAssert)
+};
+
+function writeDouble (buf, value, offset, littleEndian, noAssert) {
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308);
+  }
+  write(buf, value, offset, littleEndian, 52, 8);
+  return offset + 8
+}
+
+Buffer$1.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, true, noAssert)
+};
+
+Buffer$1.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, false, noAssert)
+};
+
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer$1.prototype.copy = function copy (target, targetStart, start, end) {
+  if (!start) start = 0;
+  if (!end && end !== 0) end = this.length;
+  if (targetStart >= target.length) targetStart = target.length;
+  if (!targetStart) targetStart = 0;
+  if (end > 0 && end < start) end = start;
+
+  // Copy 0 bytes; we're done
+  if (end === start) return 0
+  if (target.length === 0 || this.length === 0) return 0
+
+  // Fatal error conditions
+  if (targetStart < 0) {
+    throw new RangeError('targetStart out of bounds')
+  }
+  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
+  if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+  // Are we oob?
+  if (end > this.length) end = this.length;
+  if (target.length - targetStart < end - start) {
+    end = target.length - targetStart + start;
+  }
+
+  var len = end - start;
+  var i;
+
+  if (this === target && start < targetStart && targetStart < end) {
+    // descending copy from end
+    for (i = len - 1; i >= 0; --i) {
+      target[i + targetStart] = this[i + start];
+    }
+  } else if (len < 1000 || !Buffer$1.TYPED_ARRAY_SUPPORT) {
+    // ascending copy from start
+    for (i = 0; i < len; ++i) {
+      target[i + targetStart] = this[i + start];
+    }
+  } else {
+    Uint8Array.prototype.set.call(
+      target,
+      this.subarray(start, start + len),
+      targetStart
+    );
+  }
+
+  return len
+};
+
+// Usage:
+//    buffer.fill(number[, offset[, end]])
+//    buffer.fill(buffer[, offset[, end]])
+//    buffer.fill(string[, offset[, end]][, encoding])
+Buffer$1.prototype.fill = function fill (val, start, end, encoding) {
+  // Handle string cases:
+  if (typeof val === 'string') {
+    if (typeof start === 'string') {
+      encoding = start;
+      start = 0;
+      end = this.length;
+    } else if (typeof end === 'string') {
+      encoding = end;
+      end = this.length;
+    }
+    if (val.length === 1) {
+      var code = val.charCodeAt(0);
+      if (code < 256) {
+        val = code;
+      }
+    }
+    if (encoding !== undefined && typeof encoding !== 'string') {
+      throw new TypeError('encoding must be a string')
+    }
+    if (typeof encoding === 'string' && !Buffer$1.isEncoding(encoding)) {
+      throw new TypeError('Unknown encoding: ' + encoding)
+    }
+  } else if (typeof val === 'number') {
+    val = val & 255;
+  }
+
+  // Invalid ranges are not set to a default, so can range check early.
+  if (start < 0 || this.length < start || this.length < end) {
+    throw new RangeError('Out of range index')
+  }
+
+  if (end <= start) {
+    return this
+  }
+
+  start = start >>> 0;
+  end = end === undefined ? this.length : end >>> 0;
+
+  if (!val) val = 0;
+
+  var i;
+  if (typeof val === 'number') {
+    for (i = start; i < end; ++i) {
+      this[i] = val;
+    }
+  } else {
+    var bytes = internalIsBuffer(val)
+      ? val
+      : utf8ToBytes(new Buffer$1(val, encoding).toString());
+    var len = bytes.length;
+    for (i = 0; i < end - start; ++i) {
+      this[i + start] = bytes[i % len];
+    }
+  }
+
+  return this
+};
+
+// HELPER FUNCTIONS
+// ================
+
+var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g;
+
+function base64clean (str) {
+  // Node strips out invalid characters like \n and \t from the string, base64-js does not
+  str = stringtrim(str).replace(INVALID_BASE64_RE, '');
+  // Node converts strings with length < 2 to ''
+  if (str.length < 2) return ''
+  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+  while (str.length % 4 !== 0) {
+    str = str + '=';
+  }
+  return str
+}
+
+function stringtrim (str) {
+  if (str.trim) return str.trim()
+  return str.replace(/^\s+|\s+$/g, '')
+}
+
+function toHex (n) {
+  if (n < 16) return '0' + n.toString(16)
+  return n.toString(16)
+}
+
+function utf8ToBytes (string, units) {
+  units = units || Infinity;
+  var codePoint;
+  var length = string.length;
+  var leadSurrogate = null;
+  var bytes = [];
+
+  for (var i = 0; i < length; ++i) {
+    codePoint = string.charCodeAt(i);
+
+    // is surrogate component
+    if (codePoint > 0xD7FF && codePoint < 0xE000) {
+      // last char was a lead
+      if (!leadSurrogate) {
+        // no lead yet
+        if (codePoint > 0xDBFF) {
+          // unexpected trail
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+          continue
+        } else if (i + 1 === length) {
+          // unpaired lead
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+          continue
+        }
+
+        // valid lead
+        leadSurrogate = codePoint;
+
+        continue
+      }
+
+      // 2 leads in a row
+      if (codePoint < 0xDC00) {
+        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+        leadSurrogate = codePoint;
+        continue
+      }
+
+      // valid surrogate pair
+      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
+    } else if (leadSurrogate) {
+      // valid bmp char, but last char was a lead
+      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+    }
+
+    leadSurrogate = null;
+
+    // encode utf8
+    if (codePoint < 0x80) {
+      if ((units -= 1) < 0) break
+      bytes.push(codePoint);
+    } else if (codePoint < 0x800) {
+      if ((units -= 2) < 0) break
+      bytes.push(
+        codePoint >> 0x6 | 0xC0,
+        codePoint & 0x3F | 0x80
+      );
+    } else if (codePoint < 0x10000) {
+      if ((units -= 3) < 0) break
+      bytes.push(
+        codePoint >> 0xC | 0xE0,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      );
+    } else if (codePoint < 0x110000) {
+      if ((units -= 4) < 0) break
+      bytes.push(
+        codePoint >> 0x12 | 0xF0,
+        codePoint >> 0xC & 0x3F | 0x80,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      );
+    } else {
+      throw new Error('Invalid code point')
+    }
+  }
+
+  return bytes
+}
+
+function asciiToBytes (str) {
+  var byteArray = [];
+  for (var i = 0; i < str.length; ++i) {
+    // Node's code seems to be doing this and not & 0x7F..
+    byteArray.push(str.charCodeAt(i) & 0xFF);
+  }
+  return byteArray
+}
+
+function utf16leToBytes (str, units) {
+  var c, hi, lo;
+  var byteArray = [];
+  for (var i = 0; i < str.length; ++i) {
+    if ((units -= 2) < 0) break
+
+    c = str.charCodeAt(i);
+    hi = c >> 8;
+    lo = c % 256;
+    byteArray.push(lo);
+    byteArray.push(hi);
+  }
+
+  return byteArray
+}
+
+
+function base64ToBytes (str) {
+  return toByteArray(base64clean(str))
+}
+
+function blitBuffer (src, dst, offset, length) {
+  for (var i = 0; i < length; ++i) {
+    if ((i + offset >= dst.length) || (i >= src.length)) break
+    dst[i + offset] = src[i];
+  }
+  return i
+}
+
+function isnan (val) {
+  return val !== val // eslint-disable-line no-self-compare
+}
+
+
+// the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence
+// The _isBuffer check is for Safari 5-7 support, because it's missing
+// Object.prototype.constructor. Remove this eventually
+function isBuffer(obj) {
+  return obj != null && (!!obj._isBuffer || isFastBuffer(obj) || isSlowBuffer(obj))
+}
+
+function isFastBuffer (obj) {
+  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
+}
+
+// For Node v0.10 support. Remove this eventually.
+function isSlowBuffer (obj) {
+  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer(obj.slice(0, 0))
+}
+
+
+var bufferEs6 = Object.freeze({
+	INSPECT_MAX_BYTES: INSPECT_MAX_BYTES,
+	kMaxLength: _kMaxLength,
+	Buffer: Buffer$1,
+	SlowBuffer: SlowBuffer,
+	isBuffer: isBuffer
+});
+
+var require$$0$32 = ( bufferEs6 && undefined ) || bufferEs6;
+
+var bn$1 = createCommonjsModule(function (module) {
+(function (module, exports) {
+  'use strict';
+
+  // Utils
+  function assert (val, msg) {
+    if (!val) throw new Error(msg || 'Assertion failed');
+  }
+
+  // Could use `inherits` module, but don't want to move from single file
+  // architecture yet.
+  function inherits (ctor, superCtor) {
+    ctor.super_ = superCtor;
+    var TempCtor = function () {};
+    TempCtor.prototype = superCtor.prototype;
+    ctor.prototype = new TempCtor();
+    ctor.prototype.constructor = ctor;
+  }
+
+  // BN
+
+  function BN (number, base, endian) {
+    if (BN.isBN(number)) {
+      return number;
+    }
+
+    this.negative = 0;
+    this.words = null;
+    this.length = 0;
+
+    // Reduction context
+    this.red = null;
+
+    if (number !== null) {
+      if (base === 'le' || base === 'be') {
+        endian = base;
+        base = 10;
+      }
+
+      this._init(number || 0, base || 10, endian || 'be');
+    }
+  }
+  if (typeof module === 'object') {
+    module.exports = BN;
+  } else {
+    exports.BN = BN;
+  }
+
+  BN.BN = BN;
+  BN.wordSize = 26;
+
+  var Buffer;
+  try {
+    Buffer = require$$0$32.Buffer;
+  } catch (e) {
+  }
+
+  BN.isBN = function isBN (num) {
+    if (num instanceof BN) {
+      return true;
+    }
+
+    return num !== null && typeof num === 'object' &&
+      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
+  };
+
+  BN.max = function max (left, right) {
+    if (left.cmp(right) > 0) return left;
+    return right;
+  };
+
+  BN.min = function min (left, right) {
+    if (left.cmp(right) < 0) return left;
+    return right;
+  };
+
+  BN.prototype._init = function init (number, base, endian) {
+    if (typeof number === 'number') {
+      return this._initNumber(number, base, endian);
+    }
+
+    if (typeof number === 'object') {
+      return this._initArray(number, base, endian);
+    }
+
+    if (base === 'hex') {
+      base = 16;
+    }
+    assert(base === (base | 0) && base >= 2 && base <= 36);
+
+    number = number.toString().replace(/\s+/g, '');
+    var start = 0;
+    if (number[0] === '-') {
+      start++;
+    }
+
+    if (base === 16) {
+      this._parseHex(number, start);
+    } else {
+      this._parseBase(number, base, start);
+    }
+
+    if (number[0] === '-') {
+      this.negative = 1;
+    }
+
+    this.strip();
+
+    if (endian !== 'le') return;
+
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initNumber = function _initNumber (number, base, endian) {
+    if (number < 0) {
+      this.negative = 1;
+      number = -number;
+    }
+    if (number < 0x4000000) {
+      this.words = [ number & 0x3ffffff ];
+      this.length = 1;
+    } else if (number < 0x10000000000000) {
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff
+      ];
+      this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
+    }
+
+    if (endian !== 'le') return;
+
+    // Reverse the bytes
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initArray = function _initArray (number, base, endian) {
+    // Perhaps a Uint8Array
+    assert(typeof number.length === 'number');
+    if (number.length <= 0) {
+      this.words = [ 0 ];
+      this.length = 1;
+      return this;
+    }
+
+    this.length = Math.ceil(number.length / 3);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    var off = 0;
+    if (endian === 'be') {
+      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
+        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    } else if (endian === 'le') {
+      for (i = 0, j = 0; i < number.length; i += 3) {
+        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    }
+    return this.strip();
+  };
+
+  function parseHex (str, start, end) {
+    var r = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r <<= 4;
+
+      // 'a' - 'f'
+      if (c >= 49 && c <= 54) {
+        r |= c - 49 + 0xa;
+
+      // 'A' - 'F'
+      } else if (c >= 17 && c <= 22) {
+        r |= c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        r |= c & 0xf;
+      }
+    }
+    return r;
+  }
+
+  BN.prototype._parseHex = function _parseHex (number, start) {
+    // Create possibly bigger array to ensure that it fits the number
+    this.length = Math.ceil((number.length - start) / 6);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    // Scan 24-bit chunks and add them to the number
+    var off = 0;
+    for (i = number.length - 6, j = 0; i >= start; i -= 6) {
+      w = parseHex(number, i, i + 6);
+      this.words[j] |= (w << off) & 0x3ffffff;
+      // NOTE: `0x3fffff` is intentional here, 26bits max shift + 24bit hex limb
+      this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
+      off += 24;
+      if (off >= 26) {
+        off -= 26;
+        j++;
+      }
+    }
+    if (i + 6 !== start) {
+      w = parseHex(number, start, i + 6);
+      this.words[j] |= (w << off) & 0x3ffffff;
+      this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
+    }
+    this.strip();
+  };
+
+  function parseBase (str, start, end, mul) {
+    var r = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r *= mul;
+
+      // 'a'
+      if (c >= 49) {
+        r += c - 49 + 0xa;
+
+      // 'A'
+      } else if (c >= 17) {
+        r += c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        r += c;
+      }
+    }
+    return r;
+  }
+
+  BN.prototype._parseBase = function _parseBase (number, base, start) {
+    // Initialize as zero
+    this.words = [ 0 ];
+    this.length = 1;
+
+    // Find length of limb in base
+    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
+      limbLen++;
+    }
+    limbLen--;
+    limbPow = (limbPow / base) | 0;
+
+    var total = number.length - start;
+    var mod = total % limbLen;
+    var end = Math.min(total, total - mod) + start;
+
+    var word = 0;
+    for (var i = start; i < end; i += limbLen) {
+      word = parseBase(number, i, i + limbLen, base);
+
+      this.imuln(limbPow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    if (mod !== 0) {
+      var pow = 1;
+      word = parseBase(number, i, number.length, base);
+
+      for (i = 0; i < mod; i++) {
+        pow *= base;
+      }
+
+      this.imuln(pow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+  };
+
+  BN.prototype.copy = function copy (dest) {
+    dest.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      dest.words[i] = this.words[i];
+    }
+    dest.length = this.length;
+    dest.negative = this.negative;
+    dest.red = this.red;
+  };
+
+  BN.prototype.clone = function clone () {
+    var r = new BN(null);
+    this.copy(r);
+    return r;
+  };
+
+  BN.prototype._expand = function _expand (size) {
+    while (this.length < size) {
+      this.words[this.length++] = 0;
+    }
+    return this;
+  };
+
+  // Remove leading `0` from `this`
+  BN.prototype.strip = function strip () {
+    while (this.length > 1 && this.words[this.length - 1] === 0) {
+      this.length--;
+    }
+    return this._normSign();
+  };
+
+  BN.prototype._normSign = function _normSign () {
+    // -0 = 0
+    if (this.length === 1 && this.words[0] === 0) {
+      this.negative = 0;
+    }
+    return this;
+  };
+
+  BN.prototype.inspect = function inspect () {
+    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+  };
+
+  /*
+
+  var zeros = [];
+  var groupSizes = [];
+  var groupBases = [];
+
+  var s = '';
+  var i = -1;
+  while (++i < BN.wordSize) {
+    zeros[i] = s;
+    s += '0';
+  }
+  groupSizes[0] = 0;
+  groupSizes[1] = 0;
+  groupBases[0] = 0;
+  groupBases[1] = 0;
+  var base = 2 - 1;
+  while (++base < 36 + 1) {
+    var groupSize = 0;
+    var groupBase = 1;
+    while (groupBase < (1 << BN.wordSize) / base) {
+      groupBase *= base;
+      groupSize += 1;
+    }
+    groupSizes[base] = groupSize;
+    groupBases[base] = groupBase;
+  }
+
+  */
+
+  var zeros = [
+    '',
+    '0',
+    '00',
+    '000',
+    '0000',
+    '00000',
+    '000000',
+    '0000000',
+    '00000000',
+    '000000000',
+    '0000000000',
+    '00000000000',
+    '000000000000',
+    '0000000000000',
+    '00000000000000',
+    '000000000000000',
+    '0000000000000000',
+    '00000000000000000',
+    '000000000000000000',
+    '0000000000000000000',
+    '00000000000000000000',
+    '000000000000000000000',
+    '0000000000000000000000',
+    '00000000000000000000000',
+    '000000000000000000000000',
+    '0000000000000000000000000'
+  ];
+
+  var groupSizes = [
+    0, 0,
+    25, 16, 12, 11, 10, 9, 8,
+    8, 7, 7, 7, 7, 6, 6,
+    6, 6, 6, 6, 6, 5, 5,
+    5, 5, 5, 5, 5, 5, 5,
+    5, 5, 5, 5, 5, 5, 5
+  ];
+
+  var groupBases = [
+    0, 0,
+    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+  ];
+
+  BN.prototype.toString = function toString (base, padding) {
+    base = base || 10;
+    padding = padding | 0 || 1;
+
+    var out;
+    if (base === 16 || base === 'hex') {
+      out = '';
+      var off = 0;
+      var carry = 0;
+      for (var i = 0; i < this.length; i++) {
+        var w = this.words[i];
+        var word = (((w << off) | carry) & 0xffffff).toString(16);
+        carry = (w >>> (24 - off)) & 0xffffff;
+        if (carry !== 0 || i !== this.length - 1) {
+          out = zeros[6 - word.length] + word + out;
+        } else {
+          out = word + out;
+        }
+        off += 2;
+        if (off >= 26) {
+          off -= 26;
+          i--;
+        }
+      }
+      if (carry !== 0) {
+        out = carry.toString(16) + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    if (base === (base | 0) && base >= 2 && base <= 36) {
+      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+      var groupSize = groupSizes[base];
+      // var groupBase = Math.pow(base, groupSize);
+      var groupBase = groupBases[base];
+      out = '';
+      var c = this.clone();
+      c.negative = 0;
+      while (!c.isZero()) {
+        var r = c.modn(groupBase).toString(base);
+        c = c.idivn(groupBase);
+
+        if (!c.isZero()) {
+          out = zeros[groupSize - r.length] + r + out;
+        } else {
+          out = r + out;
+        }
+      }
+      if (this.isZero()) {
+        out = '0' + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    assert(false, 'Base should be between 2 and 36');
+  };
+
+  BN.prototype.toNumber = function toNumber () {
+    var ret = this.words[0];
+    if (this.length === 2) {
+      ret += this.words[1] * 0x4000000;
+    } else if (this.length === 3 && this.words[2] === 0x01) {
+      // NOTE: at this stage it is known that the top bit is set
+      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
+    } else if (this.length > 2) {
+      assert(false, 'Number can only safely store up to 53 bits');
+    }
+    return (this.negative !== 0) ? -ret : ret;
+  };
+
+  BN.prototype.toJSON = function toJSON () {
+    return this.toString(16);
+  };
+
+  BN.prototype.toBuffer = function toBuffer (endian, length) {
+    assert(typeof Buffer !== 'undefined');
+    return this.toArrayLike(Buffer, endian, length);
+  };
+
+  BN.prototype.toArray = function toArray (endian, length) {
+    return this.toArrayLike(Array, endian, length);
+  };
+
+  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
+    var byteLength = this.byteLength();
+    var reqLength = length || Math.max(1, byteLength);
+    assert(byteLength <= reqLength, 'byte array longer than desired length');
+    assert(reqLength > 0, 'Requested array length <= 0');
+
+    this.strip();
+    var littleEndian = endian === 'le';
+    var res = new ArrayType(reqLength);
+
+    var b, i;
+    var q = this.clone();
+    if (!littleEndian) {
+      // Assume big-endian
+      for (i = 0; i < reqLength - byteLength; i++) {
+        res[i] = 0;
+      }
+
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[reqLength - i - 1] = b;
+      }
+    } else {
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[i] = b;
+      }
+
+      for (; i < reqLength; i++) {
+        res[i] = 0;
+      }
+    }
+
+    return res;
+  };
+
+  if (Math.clz32) {
+    BN.prototype._countBits = function _countBits (w) {
+      return 32 - Math.clz32(w);
+    };
+  } else {
+    BN.prototype._countBits = function _countBits (w) {
+      var t = w;
+      var r = 0;
+      if (t >= 0x1000) {
+        r += 13;
+        t >>>= 13;
+      }
+      if (t >= 0x40) {
+        r += 7;
+        t >>>= 7;
+      }
+      if (t >= 0x8) {
+        r += 4;
+        t >>>= 4;
+      }
+      if (t >= 0x02) {
+        r += 2;
+        t >>>= 2;
+      }
+      return r + t;
+    };
+  }
+
+  BN.prototype._zeroBits = function _zeroBits (w) {
+    // Short-cut
+    if (w === 0) return 26;
+
+    var t = w;
+    var r = 0;
+    if ((t & 0x1fff) === 0) {
+      r += 13;
+      t >>>= 13;
+    }
+    if ((t & 0x7f) === 0) {
+      r += 7;
+      t >>>= 7;
+    }
+    if ((t & 0xf) === 0) {
+      r += 4;
+      t >>>= 4;
+    }
+    if ((t & 0x3) === 0) {
+      r += 2;
+      t >>>= 2;
+    }
+    if ((t & 0x1) === 0) {
+      r++;
+    }
+    return r;
+  };
+
+  // Return number of used bits in a BN
+  BN.prototype.bitLength = function bitLength () {
+    var w = this.words[this.length - 1];
+    var hi = this._countBits(w);
+    return (this.length - 1) * 26 + hi;
+  };
+
+  function toBitArray (num) {
+    var w = new Array(num.bitLength());
+
+    for (var bit = 0; bit < w.length; bit++) {
+      var off = (bit / 26) | 0;
+      var wbit = bit % 26;
+
+      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
+    }
+
+    return w;
+  }
+
+  // Number of trailing zero bits
+  BN.prototype.zeroBits = function zeroBits () {
+    if (this.isZero()) return 0;
+
+    var r = 0;
+    for (var i = 0; i < this.length; i++) {
+      var b = this._zeroBits(this.words[i]);
+      r += b;
+      if (b !== 26) break;
+    }
+    return r;
+  };
+
+  BN.prototype.byteLength = function byteLength () {
+    return Math.ceil(this.bitLength() / 8);
+  };
+
+  BN.prototype.toTwos = function toTwos (width) {
+    if (this.negative !== 0) {
+      return this.abs().inotn(width).iaddn(1);
+    }
+    return this.clone();
+  };
+
+  BN.prototype.fromTwos = function fromTwos (width) {
+    if (this.testn(width - 1)) {
+      return this.notn(width).iaddn(1).ineg();
+    }
+    return this.clone();
+  };
+
+  BN.prototype.isNeg = function isNeg () {
+    return this.negative !== 0;
+  };
+
+  // Return negative clone of `this`
+  BN.prototype.neg = function neg () {
+    return this.clone().ineg();
+  };
+
+  BN.prototype.ineg = function ineg () {
+    if (!this.isZero()) {
+      this.negative ^= 1;
+    }
+
+    return this;
+  };
+
+  // Or `num` with `this` in-place
+  BN.prototype.iuor = function iuor (num) {
+    while (this.length < num.length) {
+      this.words[this.length++] = 0;
+    }
+
+    for (var i = 0; i < num.length; i++) {
+      this.words[i] = this.words[i] | num.words[i];
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ior = function ior (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuor(num);
+  };
+
+  // Or `num` with `this`
+  BN.prototype.or = function or (num) {
+    if (this.length > num.length) return this.clone().ior(num);
+    return num.clone().ior(this);
+  };
+
+  BN.prototype.uor = function uor (num) {
+    if (this.length > num.length) return this.clone().iuor(num);
+    return num.clone().iuor(this);
+  };
+
+  // And `num` with `this` in-place
+  BN.prototype.iuand = function iuand (num) {
+    // b = min-length(num, this)
+    var b;
+    if (this.length > num.length) {
+      b = num;
+    } else {
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = this.words[i] & num.words[i];
+    }
+
+    this.length = b.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.iand = function iand (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuand(num);
+  };
+
+  // And `num` with `this`
+  BN.prototype.and = function and (num) {
+    if (this.length > num.length) return this.clone().iand(num);
+    return num.clone().iand(this);
+  };
+
+  BN.prototype.uand = function uand (num) {
+    if (this.length > num.length) return this.clone().iuand(num);
+    return num.clone().iuand(this);
+  };
+
+  // Xor `num` with `this` in-place
+  BN.prototype.iuxor = function iuxor (num) {
+    // a.length > b.length
+    var a;
+    var b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = a.words[i] ^ b.words[i];
+    }
+
+    if (this !== a) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = a.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.ixor = function ixor (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuxor(num);
+  };
+
+  // Xor `num` with `this`
+  BN.prototype.xor = function xor (num) {
+    if (this.length > num.length) return this.clone().ixor(num);
+    return num.clone().ixor(this);
+  };
+
+  BN.prototype.uxor = function uxor (num) {
+    if (this.length > num.length) return this.clone().iuxor(num);
+    return num.clone().iuxor(this);
+  };
+
+  // Not ``this`` with ``width`` bitwidth
+  BN.prototype.inotn = function inotn (width) {
+    assert(typeof width === 'number' && width >= 0);
+
+    var bytesNeeded = Math.ceil(width / 26) | 0;
+    var bitsLeft = width % 26;
+
+    // Extend the buffer with leading zeroes
+    this._expand(bytesNeeded);
+
+    if (bitsLeft > 0) {
+      bytesNeeded--;
+    }
+
+    // Handle complete words
+    for (var i = 0; i < bytesNeeded; i++) {
+      this.words[i] = ~this.words[i] & 0x3ffffff;
+    }
+
+    // Handle the residue
+    if (bitsLeft > 0) {
+      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
+    }
+
+    // And remove leading zeroes
+    return this.strip();
+  };
+
+  BN.prototype.notn = function notn (width) {
+    return this.clone().inotn(width);
+  };
+
+  // Set `bit` of `this`
+  BN.prototype.setn = function setn (bit, val) {
+    assert(typeof bit === 'number' && bit >= 0);
+
+    var off = (bit / 26) | 0;
+    var wbit = bit % 26;
+
+    this._expand(off + 1);
+
+    if (val) {
+      this.words[off] = this.words[off] | (1 << wbit);
+    } else {
+      this.words[off] = this.words[off] & ~(1 << wbit);
+    }
+
+    return this.strip();
+  };
+
+  // Add `num` to `this` in-place
+  BN.prototype.iadd = function iadd (num) {
+    var r;
+
+    // negative + positive
+    if (this.negative !== 0 && num.negative === 0) {
+      this.negative = 0;
+      r = this.isub(num);
+      this.negative ^= 1;
+      return this._normSign();
+
+    // positive + negative
+    } else if (this.negative === 0 && num.negative !== 0) {
+      num.negative = 0;
+      r = this.isub(num);
+      num.negative = 1;
+      return r._normSign();
+    }
+
+    // a.length > b.length
+    var a, b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+
+    this.length = a.length;
+    if (carry !== 0) {
+      this.words[this.length] = carry;
+      this.length++;
+    // Copy the rest of the words
+    } else if (a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    return this;
+  };
+
+  // Add `num` to `this`
+  BN.prototype.add = function add (num) {
+    var res;
+    if (num.negative !== 0 && this.negative === 0) {
+      num.negative = 0;
+      res = this.sub(num);
+      num.negative ^= 1;
+      return res;
+    } else if (num.negative === 0 && this.negative !== 0) {
+      this.negative = 0;
+      res = num.sub(this);
+      this.negative = 1;
+      return res;
+    }
+
+    if (this.length > num.length) return this.clone().iadd(num);
+
+    return num.clone().iadd(this);
+  };
+
+  // Subtract `num` from `this` in-place
+  BN.prototype.isub = function isub (num) {
+    // this - (-num) = this + num
+    if (num.negative !== 0) {
+      num.negative = 0;
+      var r = this.iadd(num);
+      num.negative = 1;
+      return r._normSign();
+
+    // -this - num = -(this + num)
+    } else if (this.negative !== 0) {
+      this.negative = 0;
+      this.iadd(num);
+      this.negative = 1;
+      return this._normSign();
+    }
+
+    // At this point both numbers are positive
+    var cmp = this.cmp(num);
+
+    // Optimization - zeroify
+    if (cmp === 0) {
+      this.negative = 0;
+      this.length = 1;
+      this.words[0] = 0;
+      return this;
+    }
+
+    // a > b
+    var a, b;
+    if (cmp > 0) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+
+    // Copy rest of the words
+    if (carry === 0 && i < a.length && a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = Math.max(this.length, i);
+
+    if (a !== this) {
+      this.negative = 1;
+    }
+
+    return this.strip();
+  };
+
+  // Subtract `num` from `this`
+  BN.prototype.sub = function sub (num) {
+    return this.clone().isub(num);
+  };
+
+  function smallMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    var len = (self.length + num.length) | 0;
+    out.length = len;
+    len = (len - 1) | 0;
+
+    // Peel one iteration (compiler can't do it, because of code complexity)
+    var a = self.words[0] | 0;
+    var b = num.words[0] | 0;
+    var r = a * b;
+
+    var lo = r & 0x3ffffff;
+    var carry = (r / 0x4000000) | 0;
+    out.words[0] = lo;
+
+    for (var k = 1; k < len; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = carry >>> 26;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = (k - j) | 0;
+        a = self.words[i] | 0;
+        b = num.words[j] | 0;
+        r = a * b + rword;
+        ncarry += (r / 0x4000000) | 0;
+        rword = r & 0x3ffffff;
+      }
+      out.words[k] = rword | 0;
+      carry = ncarry | 0;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry | 0;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  // TODO(indutny): it may be reasonable to omit it for users who don't need
+  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
+  // multiplication (like elliptic secp256k1).
+  var comb10MulTo = function comb10MulTo (self, num, out) {
+    var a = self.words;
+    var b = num.words;
+    var o = out.words;
+    var c = 0;
+    var lo;
+    var mid;
+    var hi;
+    var a0 = a[0] | 0;
+    var al0 = a0 & 0x1fff;
+    var ah0 = a0 >>> 13;
+    var a1 = a[1] | 0;
+    var al1 = a1 & 0x1fff;
+    var ah1 = a1 >>> 13;
+    var a2 = a[2] | 0;
+    var al2 = a2 & 0x1fff;
+    var ah2 = a2 >>> 13;
+    var a3 = a[3] | 0;
+    var al3 = a3 & 0x1fff;
+    var ah3 = a3 >>> 13;
+    var a4 = a[4] | 0;
+    var al4 = a4 & 0x1fff;
+    var ah4 = a4 >>> 13;
+    var a5 = a[5] | 0;
+    var al5 = a5 & 0x1fff;
+    var ah5 = a5 >>> 13;
+    var a6 = a[6] | 0;
+    var al6 = a6 & 0x1fff;
+    var ah6 = a6 >>> 13;
+    var a7 = a[7] | 0;
+    var al7 = a7 & 0x1fff;
+    var ah7 = a7 >>> 13;
+    var a8 = a[8] | 0;
+    var al8 = a8 & 0x1fff;
+    var ah8 = a8 >>> 13;
+    var a9 = a[9] | 0;
+    var al9 = a9 & 0x1fff;
+    var ah9 = a9 >>> 13;
+    var b0 = b[0] | 0;
+    var bl0 = b0 & 0x1fff;
+    var bh0 = b0 >>> 13;
+    var b1 = b[1] | 0;
+    var bl1 = b1 & 0x1fff;
+    var bh1 = b1 >>> 13;
+    var b2 = b[2] | 0;
+    var bl2 = b2 & 0x1fff;
+    var bh2 = b2 >>> 13;
+    var b3 = b[3] | 0;
+    var bl3 = b3 & 0x1fff;
+    var bh3 = b3 >>> 13;
+    var b4 = b[4] | 0;
+    var bl4 = b4 & 0x1fff;
+    var bh4 = b4 >>> 13;
+    var b5 = b[5] | 0;
+    var bl5 = b5 & 0x1fff;
+    var bh5 = b5 >>> 13;
+    var b6 = b[6] | 0;
+    var bl6 = b6 & 0x1fff;
+    var bh6 = b6 >>> 13;
+    var b7 = b[7] | 0;
+    var bl7 = b7 & 0x1fff;
+    var bh7 = b7 >>> 13;
+    var b8 = b[8] | 0;
+    var bl8 = b8 & 0x1fff;
+    var bh8 = b8 >>> 13;
+    var b9 = b[9] | 0;
+    var bl9 = b9 & 0x1fff;
+    var bh9 = b9 >>> 13;
+
+    out.negative = self.negative ^ num.negative;
+    out.length = 19;
+    /* k = 0 */
+    lo = Math.imul(al0, bl0);
+    mid = Math.imul(al0, bh0);
+    mid = (mid + Math.imul(ah0, bl0)) | 0;
+    hi = Math.imul(ah0, bh0);
+    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
+    w0 &= 0x3ffffff;
+    /* k = 1 */
+    lo = Math.imul(al1, bl0);
+    mid = Math.imul(al1, bh0);
+    mid = (mid + Math.imul(ah1, bl0)) | 0;
+    hi = Math.imul(ah1, bh0);
+    lo = (lo + Math.imul(al0, bl1)) | 0;
+    mid = (mid + Math.imul(al0, bh1)) | 0;
+    mid = (mid + Math.imul(ah0, bl1)) | 0;
+    hi = (hi + Math.imul(ah0, bh1)) | 0;
+    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
+    w1 &= 0x3ffffff;
+    /* k = 2 */
+    lo = Math.imul(al2, bl0);
+    mid = Math.imul(al2, bh0);
+    mid = (mid + Math.imul(ah2, bl0)) | 0;
+    hi = Math.imul(ah2, bh0);
+    lo = (lo + Math.imul(al1, bl1)) | 0;
+    mid = (mid + Math.imul(al1, bh1)) | 0;
+    mid = (mid + Math.imul(ah1, bl1)) | 0;
+    hi = (hi + Math.imul(ah1, bh1)) | 0;
+    lo = (lo + Math.imul(al0, bl2)) | 0;
+    mid = (mid + Math.imul(al0, bh2)) | 0;
+    mid = (mid + Math.imul(ah0, bl2)) | 0;
+    hi = (hi + Math.imul(ah0, bh2)) | 0;
+    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
+    w2 &= 0x3ffffff;
+    /* k = 3 */
+    lo = Math.imul(al3, bl0);
+    mid = Math.imul(al3, bh0);
+    mid = (mid + Math.imul(ah3, bl0)) | 0;
+    hi = Math.imul(ah3, bh0);
+    lo = (lo + Math.imul(al2, bl1)) | 0;
+    mid = (mid + Math.imul(al2, bh1)) | 0;
+    mid = (mid + Math.imul(ah2, bl1)) | 0;
+    hi = (hi + Math.imul(ah2, bh1)) | 0;
+    lo = (lo + Math.imul(al1, bl2)) | 0;
+    mid = (mid + Math.imul(al1, bh2)) | 0;
+    mid = (mid + Math.imul(ah1, bl2)) | 0;
+    hi = (hi + Math.imul(ah1, bh2)) | 0;
+    lo = (lo + Math.imul(al0, bl3)) | 0;
+    mid = (mid + Math.imul(al0, bh3)) | 0;
+    mid = (mid + Math.imul(ah0, bl3)) | 0;
+    hi = (hi + Math.imul(ah0, bh3)) | 0;
+    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
+    w3 &= 0x3ffffff;
+    /* k = 4 */
+    lo = Math.imul(al4, bl0);
+    mid = Math.imul(al4, bh0);
+    mid = (mid + Math.imul(ah4, bl0)) | 0;
+    hi = Math.imul(ah4, bh0);
+    lo = (lo + Math.imul(al3, bl1)) | 0;
+    mid = (mid + Math.imul(al3, bh1)) | 0;
+    mid = (mid + Math.imul(ah3, bl1)) | 0;
+    hi = (hi + Math.imul(ah3, bh1)) | 0;
+    lo = (lo + Math.imul(al2, bl2)) | 0;
+    mid = (mid + Math.imul(al2, bh2)) | 0;
+    mid = (mid + Math.imul(ah2, bl2)) | 0;
+    hi = (hi + Math.imul(ah2, bh2)) | 0;
+    lo = (lo + Math.imul(al1, bl3)) | 0;
+    mid = (mid + Math.imul(al1, bh3)) | 0;
+    mid = (mid + Math.imul(ah1, bl3)) | 0;
+    hi = (hi + Math.imul(ah1, bh3)) | 0;
+    lo = (lo + Math.imul(al0, bl4)) | 0;
+    mid = (mid + Math.imul(al0, bh4)) | 0;
+    mid = (mid + Math.imul(ah0, bl4)) | 0;
+    hi = (hi + Math.imul(ah0, bh4)) | 0;
+    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
+    w4 &= 0x3ffffff;
+    /* k = 5 */
+    lo = Math.imul(al5, bl0);
+    mid = Math.imul(al5, bh0);
+    mid = (mid + Math.imul(ah5, bl0)) | 0;
+    hi = Math.imul(ah5, bh0);
+    lo = (lo + Math.imul(al4, bl1)) | 0;
+    mid = (mid + Math.imul(al4, bh1)) | 0;
+    mid = (mid + Math.imul(ah4, bl1)) | 0;
+    hi = (hi + Math.imul(ah4, bh1)) | 0;
+    lo = (lo + Math.imul(al3, bl2)) | 0;
+    mid = (mid + Math.imul(al3, bh2)) | 0;
+    mid = (mid + Math.imul(ah3, bl2)) | 0;
+    hi = (hi + Math.imul(ah3, bh2)) | 0;
+    lo = (lo + Math.imul(al2, bl3)) | 0;
+    mid = (mid + Math.imul(al2, bh3)) | 0;
+    mid = (mid + Math.imul(ah2, bl3)) | 0;
+    hi = (hi + Math.imul(ah2, bh3)) | 0;
+    lo = (lo + Math.imul(al1, bl4)) | 0;
+    mid = (mid + Math.imul(al1, bh4)) | 0;
+    mid = (mid + Math.imul(ah1, bl4)) | 0;
+    hi = (hi + Math.imul(ah1, bh4)) | 0;
+    lo = (lo + Math.imul(al0, bl5)) | 0;
+    mid = (mid + Math.imul(al0, bh5)) | 0;
+    mid = (mid + Math.imul(ah0, bl5)) | 0;
+    hi = (hi + Math.imul(ah0, bh5)) | 0;
+    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
+    w5 &= 0x3ffffff;
+    /* k = 6 */
+    lo = Math.imul(al6, bl0);
+    mid = Math.imul(al6, bh0);
+    mid = (mid + Math.imul(ah6, bl0)) | 0;
+    hi = Math.imul(ah6, bh0);
+    lo = (lo + Math.imul(al5, bl1)) | 0;
+    mid = (mid + Math.imul(al5, bh1)) | 0;
+    mid = (mid + Math.imul(ah5, bl1)) | 0;
+    hi = (hi + Math.imul(ah5, bh1)) | 0;
+    lo = (lo + Math.imul(al4, bl2)) | 0;
+    mid = (mid + Math.imul(al4, bh2)) | 0;
+    mid = (mid + Math.imul(ah4, bl2)) | 0;
+    hi = (hi + Math.imul(ah4, bh2)) | 0;
+    lo = (lo + Math.imul(al3, bl3)) | 0;
+    mid = (mid + Math.imul(al3, bh3)) | 0;
+    mid = (mid + Math.imul(ah3, bl3)) | 0;
+    hi = (hi + Math.imul(ah3, bh3)) | 0;
+    lo = (lo + Math.imul(al2, bl4)) | 0;
+    mid = (mid + Math.imul(al2, bh4)) | 0;
+    mid = (mid + Math.imul(ah2, bl4)) | 0;
+    hi = (hi + Math.imul(ah2, bh4)) | 0;
+    lo = (lo + Math.imul(al1, bl5)) | 0;
+    mid = (mid + Math.imul(al1, bh5)) | 0;
+    mid = (mid + Math.imul(ah1, bl5)) | 0;
+    hi = (hi + Math.imul(ah1, bh5)) | 0;
+    lo = (lo + Math.imul(al0, bl6)) | 0;
+    mid = (mid + Math.imul(al0, bh6)) | 0;
+    mid = (mid + Math.imul(ah0, bl6)) | 0;
+    hi = (hi + Math.imul(ah0, bh6)) | 0;
+    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
+    w6 &= 0x3ffffff;
+    /* k = 7 */
+    lo = Math.imul(al7, bl0);
+    mid = Math.imul(al7, bh0);
+    mid = (mid + Math.imul(ah7, bl0)) | 0;
+    hi = Math.imul(ah7, bh0);
+    lo = (lo + Math.imul(al6, bl1)) | 0;
+    mid = (mid + Math.imul(al6, bh1)) | 0;
+    mid = (mid + Math.imul(ah6, bl1)) | 0;
+    hi = (hi + Math.imul(ah6, bh1)) | 0;
+    lo = (lo + Math.imul(al5, bl2)) | 0;
+    mid = (mid + Math.imul(al5, bh2)) | 0;
+    mid = (mid + Math.imul(ah5, bl2)) | 0;
+    hi = (hi + Math.imul(ah5, bh2)) | 0;
+    lo = (lo + Math.imul(al4, bl3)) | 0;
+    mid = (mid + Math.imul(al4, bh3)) | 0;
+    mid = (mid + Math.imul(ah4, bl3)) | 0;
+    hi = (hi + Math.imul(ah4, bh3)) | 0;
+    lo = (lo + Math.imul(al3, bl4)) | 0;
+    mid = (mid + Math.imul(al3, bh4)) | 0;
+    mid = (mid + Math.imul(ah3, bl4)) | 0;
+    hi = (hi + Math.imul(ah3, bh4)) | 0;
+    lo = (lo + Math.imul(al2, bl5)) | 0;
+    mid = (mid + Math.imul(al2, bh5)) | 0;
+    mid = (mid + Math.imul(ah2, bl5)) | 0;
+    hi = (hi + Math.imul(ah2, bh5)) | 0;
+    lo = (lo + Math.imul(al1, bl6)) | 0;
+    mid = (mid + Math.imul(al1, bh6)) | 0;
+    mid = (mid + Math.imul(ah1, bl6)) | 0;
+    hi = (hi + Math.imul(ah1, bh6)) | 0;
+    lo = (lo + Math.imul(al0, bl7)) | 0;
+    mid = (mid + Math.imul(al0, bh7)) | 0;
+    mid = (mid + Math.imul(ah0, bl7)) | 0;
+    hi = (hi + Math.imul(ah0, bh7)) | 0;
+    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
+    w7 &= 0x3ffffff;
+    /* k = 8 */
+    lo = Math.imul(al8, bl0);
+    mid = Math.imul(al8, bh0);
+    mid = (mid + Math.imul(ah8, bl0)) | 0;
+    hi = Math.imul(ah8, bh0);
+    lo = (lo + Math.imul(al7, bl1)) | 0;
+    mid = (mid + Math.imul(al7, bh1)) | 0;
+    mid = (mid + Math.imul(ah7, bl1)) | 0;
+    hi = (hi + Math.imul(ah7, bh1)) | 0;
+    lo = (lo + Math.imul(al6, bl2)) | 0;
+    mid = (mid + Math.imul(al6, bh2)) | 0;
+    mid = (mid + Math.imul(ah6, bl2)) | 0;
+    hi = (hi + Math.imul(ah6, bh2)) | 0;
+    lo = (lo + Math.imul(al5, bl3)) | 0;
+    mid = (mid + Math.imul(al5, bh3)) | 0;
+    mid = (mid + Math.imul(ah5, bl3)) | 0;
+    hi = (hi + Math.imul(ah5, bh3)) | 0;
+    lo = (lo + Math.imul(al4, bl4)) | 0;
+    mid = (mid + Math.imul(al4, bh4)) | 0;
+    mid = (mid + Math.imul(ah4, bl4)) | 0;
+    hi = (hi + Math.imul(ah4, bh4)) | 0;
+    lo = (lo + Math.imul(al3, bl5)) | 0;
+    mid = (mid + Math.imul(al3, bh5)) | 0;
+    mid = (mid + Math.imul(ah3, bl5)) | 0;
+    hi = (hi + Math.imul(ah3, bh5)) | 0;
+    lo = (lo + Math.imul(al2, bl6)) | 0;
+    mid = (mid + Math.imul(al2, bh6)) | 0;
+    mid = (mid + Math.imul(ah2, bl6)) | 0;
+    hi = (hi + Math.imul(ah2, bh6)) | 0;
+    lo = (lo + Math.imul(al1, bl7)) | 0;
+    mid = (mid + Math.imul(al1, bh7)) | 0;
+    mid = (mid + Math.imul(ah1, bl7)) | 0;
+    hi = (hi + Math.imul(ah1, bh7)) | 0;
+    lo = (lo + Math.imul(al0, bl8)) | 0;
+    mid = (mid + Math.imul(al0, bh8)) | 0;
+    mid = (mid + Math.imul(ah0, bl8)) | 0;
+    hi = (hi + Math.imul(ah0, bh8)) | 0;
+    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
+    w8 &= 0x3ffffff;
+    /* k = 9 */
+    lo = Math.imul(al9, bl0);
+    mid = Math.imul(al9, bh0);
+    mid = (mid + Math.imul(ah9, bl0)) | 0;
+    hi = Math.imul(ah9, bh0);
+    lo = (lo + Math.imul(al8, bl1)) | 0;
+    mid = (mid + Math.imul(al8, bh1)) | 0;
+    mid = (mid + Math.imul(ah8, bl1)) | 0;
+    hi = (hi + Math.imul(ah8, bh1)) | 0;
+    lo = (lo + Math.imul(al7, bl2)) | 0;
+    mid = (mid + Math.imul(al7, bh2)) | 0;
+    mid = (mid + Math.imul(ah7, bl2)) | 0;
+    hi = (hi + Math.imul(ah7, bh2)) | 0;
+    lo = (lo + Math.imul(al6, bl3)) | 0;
+    mid = (mid + Math.imul(al6, bh3)) | 0;
+    mid = (mid + Math.imul(ah6, bl3)) | 0;
+    hi = (hi + Math.imul(ah6, bh3)) | 0;
+    lo = (lo + Math.imul(al5, bl4)) | 0;
+    mid = (mid + Math.imul(al5, bh4)) | 0;
+    mid = (mid + Math.imul(ah5, bl4)) | 0;
+    hi = (hi + Math.imul(ah5, bh4)) | 0;
+    lo = (lo + Math.imul(al4, bl5)) | 0;
+    mid = (mid + Math.imul(al4, bh5)) | 0;
+    mid = (mid + Math.imul(ah4, bl5)) | 0;
+    hi = (hi + Math.imul(ah4, bh5)) | 0;
+    lo = (lo + Math.imul(al3, bl6)) | 0;
+    mid = (mid + Math.imul(al3, bh6)) | 0;
+    mid = (mid + Math.imul(ah3, bl6)) | 0;
+    hi = (hi + Math.imul(ah3, bh6)) | 0;
+    lo = (lo + Math.imul(al2, bl7)) | 0;
+    mid = (mid + Math.imul(al2, bh7)) | 0;
+    mid = (mid + Math.imul(ah2, bl7)) | 0;
+    hi = (hi + Math.imul(ah2, bh7)) | 0;
+    lo = (lo + Math.imul(al1, bl8)) | 0;
+    mid = (mid + Math.imul(al1, bh8)) | 0;
+    mid = (mid + Math.imul(ah1, bl8)) | 0;
+    hi = (hi + Math.imul(ah1, bh8)) | 0;
+    lo = (lo + Math.imul(al0, bl9)) | 0;
+    mid = (mid + Math.imul(al0, bh9)) | 0;
+    mid = (mid + Math.imul(ah0, bl9)) | 0;
+    hi = (hi + Math.imul(ah0, bh9)) | 0;
+    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
+    w9 &= 0x3ffffff;
+    /* k = 10 */
+    lo = Math.imul(al9, bl1);
+    mid = Math.imul(al9, bh1);
+    mid = (mid + Math.imul(ah9, bl1)) | 0;
+    hi = Math.imul(ah9, bh1);
+    lo = (lo + Math.imul(al8, bl2)) | 0;
+    mid = (mid + Math.imul(al8, bh2)) | 0;
+    mid = (mid + Math.imul(ah8, bl2)) | 0;
+    hi = (hi + Math.imul(ah8, bh2)) | 0;
+    lo = (lo + Math.imul(al7, bl3)) | 0;
+    mid = (mid + Math.imul(al7, bh3)) | 0;
+    mid = (mid + Math.imul(ah7, bl3)) | 0;
+    hi = (hi + Math.imul(ah7, bh3)) | 0;
+    lo = (lo + Math.imul(al6, bl4)) | 0;
+    mid = (mid + Math.imul(al6, bh4)) | 0;
+    mid = (mid + Math.imul(ah6, bl4)) | 0;
+    hi = (hi + Math.imul(ah6, bh4)) | 0;
+    lo = (lo + Math.imul(al5, bl5)) | 0;
+    mid = (mid + Math.imul(al5, bh5)) | 0;
+    mid = (mid + Math.imul(ah5, bl5)) | 0;
+    hi = (hi + Math.imul(ah5, bh5)) | 0;
+    lo = (lo + Math.imul(al4, bl6)) | 0;
+    mid = (mid + Math.imul(al4, bh6)) | 0;
+    mid = (mid + Math.imul(ah4, bl6)) | 0;
+    hi = (hi + Math.imul(ah4, bh6)) | 0;
+    lo = (lo + Math.imul(al3, bl7)) | 0;
+    mid = (mid + Math.imul(al3, bh7)) | 0;
+    mid = (mid + Math.imul(ah3, bl7)) | 0;
+    hi = (hi + Math.imul(ah3, bh7)) | 0;
+    lo = (lo + Math.imul(al2, bl8)) | 0;
+    mid = (mid + Math.imul(al2, bh8)) | 0;
+    mid = (mid + Math.imul(ah2, bl8)) | 0;
+    hi = (hi + Math.imul(ah2, bh8)) | 0;
+    lo = (lo + Math.imul(al1, bl9)) | 0;
+    mid = (mid + Math.imul(al1, bh9)) | 0;
+    mid = (mid + Math.imul(ah1, bl9)) | 0;
+    hi = (hi + Math.imul(ah1, bh9)) | 0;
+    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
+    w10 &= 0x3ffffff;
+    /* k = 11 */
+    lo = Math.imul(al9, bl2);
+    mid = Math.imul(al9, bh2);
+    mid = (mid + Math.imul(ah9, bl2)) | 0;
+    hi = Math.imul(ah9, bh2);
+    lo = (lo + Math.imul(al8, bl3)) | 0;
+    mid = (mid + Math.imul(al8, bh3)) | 0;
+    mid = (mid + Math.imul(ah8, bl3)) | 0;
+    hi = (hi + Math.imul(ah8, bh3)) | 0;
+    lo = (lo + Math.imul(al7, bl4)) | 0;
+    mid = (mid + Math.imul(al7, bh4)) | 0;
+    mid = (mid + Math.imul(ah7, bl4)) | 0;
+    hi = (hi + Math.imul(ah7, bh4)) | 0;
+    lo = (lo + Math.imul(al6, bl5)) | 0;
+    mid = (mid + Math.imul(al6, bh5)) | 0;
+    mid = (mid + Math.imul(ah6, bl5)) | 0;
+    hi = (hi + Math.imul(ah6, bh5)) | 0;
+    lo = (lo + Math.imul(al5, bl6)) | 0;
+    mid = (mid + Math.imul(al5, bh6)) | 0;
+    mid = (mid + Math.imul(ah5, bl6)) | 0;
+    hi = (hi + Math.imul(ah5, bh6)) | 0;
+    lo = (lo + Math.imul(al4, bl7)) | 0;
+    mid = (mid + Math.imul(al4, bh7)) | 0;
+    mid = (mid + Math.imul(ah4, bl7)) | 0;
+    hi = (hi + Math.imul(ah4, bh7)) | 0;
+    lo = (lo + Math.imul(al3, bl8)) | 0;
+    mid = (mid + Math.imul(al3, bh8)) | 0;
+    mid = (mid + Math.imul(ah3, bl8)) | 0;
+    hi = (hi + Math.imul(ah3, bh8)) | 0;
+    lo = (lo + Math.imul(al2, bl9)) | 0;
+    mid = (mid + Math.imul(al2, bh9)) | 0;
+    mid = (mid + Math.imul(ah2, bl9)) | 0;
+    hi = (hi + Math.imul(ah2, bh9)) | 0;
+    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
+    w11 &= 0x3ffffff;
+    /* k = 12 */
+    lo = Math.imul(al9, bl3);
+    mid = Math.imul(al9, bh3);
+    mid = (mid + Math.imul(ah9, bl3)) | 0;
+    hi = Math.imul(ah9, bh3);
+    lo = (lo + Math.imul(al8, bl4)) | 0;
+    mid = (mid + Math.imul(al8, bh4)) | 0;
+    mid = (mid + Math.imul(ah8, bl4)) | 0;
+    hi = (hi + Math.imul(ah8, bh4)) | 0;
+    lo = (lo + Math.imul(al7, bl5)) | 0;
+    mid = (mid + Math.imul(al7, bh5)) | 0;
+    mid = (mid + Math.imul(ah7, bl5)) | 0;
+    hi = (hi + Math.imul(ah7, bh5)) | 0;
+    lo = (lo + Math.imul(al6, bl6)) | 0;
+    mid = (mid + Math.imul(al6, bh6)) | 0;
+    mid = (mid + Math.imul(ah6, bl6)) | 0;
+    hi = (hi + Math.imul(ah6, bh6)) | 0;
+    lo = (lo + Math.imul(al5, bl7)) | 0;
+    mid = (mid + Math.imul(al5, bh7)) | 0;
+    mid = (mid + Math.imul(ah5, bl7)) | 0;
+    hi = (hi + Math.imul(ah5, bh7)) | 0;
+    lo = (lo + Math.imul(al4, bl8)) | 0;
+    mid = (mid + Math.imul(al4, bh8)) | 0;
+    mid = (mid + Math.imul(ah4, bl8)) | 0;
+    hi = (hi + Math.imul(ah4, bh8)) | 0;
+    lo = (lo + Math.imul(al3, bl9)) | 0;
+    mid = (mid + Math.imul(al3, bh9)) | 0;
+    mid = (mid + Math.imul(ah3, bl9)) | 0;
+    hi = (hi + Math.imul(ah3, bh9)) | 0;
+    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
+    w12 &= 0x3ffffff;
+    /* k = 13 */
+    lo = Math.imul(al9, bl4);
+    mid = Math.imul(al9, bh4);
+    mid = (mid + Math.imul(ah9, bl4)) | 0;
+    hi = Math.imul(ah9, bh4);
+    lo = (lo + Math.imul(al8, bl5)) | 0;
+    mid = (mid + Math.imul(al8, bh5)) | 0;
+    mid = (mid + Math.imul(ah8, bl5)) | 0;
+    hi = (hi + Math.imul(ah8, bh5)) | 0;
+    lo = (lo + Math.imul(al7, bl6)) | 0;
+    mid = (mid + Math.imul(al7, bh6)) | 0;
+    mid = (mid + Math.imul(ah7, bl6)) | 0;
+    hi = (hi + Math.imul(ah7, bh6)) | 0;
+    lo = (lo + Math.imul(al6, bl7)) | 0;
+    mid = (mid + Math.imul(al6, bh7)) | 0;
+    mid = (mid + Math.imul(ah6, bl7)) | 0;
+    hi = (hi + Math.imul(ah6, bh7)) | 0;
+    lo = (lo + Math.imul(al5, bl8)) | 0;
+    mid = (mid + Math.imul(al5, bh8)) | 0;
+    mid = (mid + Math.imul(ah5, bl8)) | 0;
+    hi = (hi + Math.imul(ah5, bh8)) | 0;
+    lo = (lo + Math.imul(al4, bl9)) | 0;
+    mid = (mid + Math.imul(al4, bh9)) | 0;
+    mid = (mid + Math.imul(ah4, bl9)) | 0;
+    hi = (hi + Math.imul(ah4, bh9)) | 0;
+    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
+    w13 &= 0x3ffffff;
+    /* k = 14 */
+    lo = Math.imul(al9, bl5);
+    mid = Math.imul(al9, bh5);
+    mid = (mid + Math.imul(ah9, bl5)) | 0;
+    hi = Math.imul(ah9, bh5);
+    lo = (lo + Math.imul(al8, bl6)) | 0;
+    mid = (mid + Math.imul(al8, bh6)) | 0;
+    mid = (mid + Math.imul(ah8, bl6)) | 0;
+    hi = (hi + Math.imul(ah8, bh6)) | 0;
+    lo = (lo + Math.imul(al7, bl7)) | 0;
+    mid = (mid + Math.imul(al7, bh7)) | 0;
+    mid = (mid + Math.imul(ah7, bl7)) | 0;
+    hi = (hi + Math.imul(ah7, bh7)) | 0;
+    lo = (lo + Math.imul(al6, bl8)) | 0;
+    mid = (mid + Math.imul(al6, bh8)) | 0;
+    mid = (mid + Math.imul(ah6, bl8)) | 0;
+    hi = (hi + Math.imul(ah6, bh8)) | 0;
+    lo = (lo + Math.imul(al5, bl9)) | 0;
+    mid = (mid + Math.imul(al5, bh9)) | 0;
+    mid = (mid + Math.imul(ah5, bl9)) | 0;
+    hi = (hi + Math.imul(ah5, bh9)) | 0;
+    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
+    w14 &= 0x3ffffff;
+    /* k = 15 */
+    lo = Math.imul(al9, bl6);
+    mid = Math.imul(al9, bh6);
+    mid = (mid + Math.imul(ah9, bl6)) | 0;
+    hi = Math.imul(ah9, bh6);
+    lo = (lo + Math.imul(al8, bl7)) | 0;
+    mid = (mid + Math.imul(al8, bh7)) | 0;
+    mid = (mid + Math.imul(ah8, bl7)) | 0;
+    hi = (hi + Math.imul(ah8, bh7)) | 0;
+    lo = (lo + Math.imul(al7, bl8)) | 0;
+    mid = (mid + Math.imul(al7, bh8)) | 0;
+    mid = (mid + Math.imul(ah7, bl8)) | 0;
+    hi = (hi + Math.imul(ah7, bh8)) | 0;
+    lo = (lo + Math.imul(al6, bl9)) | 0;
+    mid = (mid + Math.imul(al6, bh9)) | 0;
+    mid = (mid + Math.imul(ah6, bl9)) | 0;
+    hi = (hi + Math.imul(ah6, bh9)) | 0;
+    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
+    w15 &= 0x3ffffff;
+    /* k = 16 */
+    lo = Math.imul(al9, bl7);
+    mid = Math.imul(al9, bh7);
+    mid = (mid + Math.imul(ah9, bl7)) | 0;
+    hi = Math.imul(ah9, bh7);
+    lo = (lo + Math.imul(al8, bl8)) | 0;
+    mid = (mid + Math.imul(al8, bh8)) | 0;
+    mid = (mid + Math.imul(ah8, bl8)) | 0;
+    hi = (hi + Math.imul(ah8, bh8)) | 0;
+    lo = (lo + Math.imul(al7, bl9)) | 0;
+    mid = (mid + Math.imul(al7, bh9)) | 0;
+    mid = (mid + Math.imul(ah7, bl9)) | 0;
+    hi = (hi + Math.imul(ah7, bh9)) | 0;
+    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
+    w16 &= 0x3ffffff;
+    /* k = 17 */
+    lo = Math.imul(al9, bl8);
+    mid = Math.imul(al9, bh8);
+    mid = (mid + Math.imul(ah9, bl8)) | 0;
+    hi = Math.imul(ah9, bh8);
+    lo = (lo + Math.imul(al8, bl9)) | 0;
+    mid = (mid + Math.imul(al8, bh9)) | 0;
+    mid = (mid + Math.imul(ah8, bl9)) | 0;
+    hi = (hi + Math.imul(ah8, bh9)) | 0;
+    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
+    w17 &= 0x3ffffff;
+    /* k = 18 */
+    lo = Math.imul(al9, bl9);
+    mid = Math.imul(al9, bh9);
+    mid = (mid + Math.imul(ah9, bl9)) | 0;
+    hi = Math.imul(ah9, bh9);
+    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
+    w18 &= 0x3ffffff;
+    o[0] = w0;
+    o[1] = w1;
+    o[2] = w2;
+    o[3] = w3;
+    o[4] = w4;
+    o[5] = w5;
+    o[6] = w6;
+    o[7] = w7;
+    o[8] = w8;
+    o[9] = w9;
+    o[10] = w10;
+    o[11] = w11;
+    o[12] = w12;
+    o[13] = w13;
+    o[14] = w14;
+    o[15] = w15;
+    o[16] = w16;
+    o[17] = w17;
+    o[18] = w18;
+    if (c !== 0) {
+      o[19] = c;
+      out.length++;
+    }
+    return out;
+  };
+
+  // Polyfill comb
+  if (!Math.imul) {
+    comb10MulTo = smallMulTo;
+  }
+
+  function bigMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    out.length = self.length + num.length;
+
+    var carry = 0;
+    var hncarry = 0;
+    for (var k = 0; k < out.length - 1; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = hncarry;
+      hncarry = 0;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = k - j;
+        var a = self.words[i] | 0;
+        var b = num.words[j] | 0;
+        var r = a * b;
+
+        var lo = r & 0x3ffffff;
+        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+        lo = (lo + rword) | 0;
+        rword = lo & 0x3ffffff;
+        ncarry = (ncarry + (lo >>> 26)) | 0;
+
+        hncarry += ncarry >>> 26;
+        ncarry &= 0x3ffffff;
+      }
+      out.words[k] = rword;
+      carry = ncarry;
+      ncarry = hncarry;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  function jumboMulTo (self, num, out) {
+    var fftm = new FFTM();
+    return fftm.mulp(self, num, out);
+  }
+
+  BN.prototype.mulTo = function mulTo (num, out) {
+    var res;
+    var len = this.length + num.length;
+    if (this.length === 10 && num.length === 10) {
+      res = comb10MulTo(this, num, out);
+    } else if (len < 63) {
+      res = smallMulTo(this, num, out);
+    } else if (len < 1024) {
+      res = bigMulTo(this, num, out);
+    } else {
+      res = jumboMulTo(this, num, out);
+    }
+
+    return res;
+  };
+
+  // Cooley-Tukey algorithm for FFT
+  // slightly revisited to rely on looping instead of recursion
+
+  function FFTM (x, y) {
+    this.x = x;
+    this.y = y;
+  }
+
+  FFTM.prototype.makeRBT = function makeRBT (N) {
+    var t = new Array(N);
+    var l = BN.prototype._countBits(N) - 1;
+    for (var i = 0; i < N; i++) {
+      t[i] = this.revBin(i, l, N);
+    }
+
+    return t;
+  };
+
+  // Returns binary-reversed representation of `x`
+  FFTM.prototype.revBin = function revBin (x, l, N) {
+    if (x === 0 || x === N - 1) return x;
+
+    var rb = 0;
+    for (var i = 0; i < l; i++) {
+      rb |= (x & 1) << (l - i - 1);
+      x >>= 1;
+    }
+
+    return rb;
+  };
+
+  // Performs "tweedling" phase, therefore 'emulating'
+  // behaviour of the recursive algorithm
+  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
+    for (var i = 0; i < N; i++) {
+      rtws[i] = rws[rbt[i]];
+      itws[i] = iws[rbt[i]];
+    }
+  };
+
+  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
+    this.permute(rbt, rws, iws, rtws, itws, N);
+
+    for (var s = 1; s < N; s <<= 1) {
+      var l = s << 1;
+
+      var rtwdf = Math.cos(2 * Math.PI / l);
+      var itwdf = Math.sin(2 * Math.PI / l);
+
+      for (var p = 0; p < N; p += l) {
+        var rtwdf_ = rtwdf;
+        var itwdf_ = itwdf;
+
+        for (var j = 0; j < s; j++) {
+          var re = rtws[p + j];
+          var ie = itws[p + j];
+
+          var ro = rtws[p + j + s];
+          var io = itws[p + j + s];
+
+          var rx = rtwdf_ * ro - itwdf_ * io;
+
+          io = rtwdf_ * io + itwdf_ * ro;
+          ro = rx;
+
+          rtws[p + j] = re + ro;
+          itws[p + j] = ie + io;
+
+          rtws[p + j + s] = re - ro;
+          itws[p + j + s] = ie - io;
+
+          /* jshint maxdepth : false */
+          if (j !== l) {
+            rx = rtwdf * rtwdf_ - itwdf * itwdf_;
+
+            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
+            rtwdf_ = rx;
+          }
+        }
+      }
+    }
+  };
+
+  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
+    var N = Math.max(m, n) | 1;
+    var odd = N & 1;
+    var i = 0;
+    for (N = N / 2 | 0; N; N = N >>> 1) {
+      i++;
+    }
+
+    return 1 << i + 1 + odd;
+  };
+
+  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
+    if (N <= 1) return;
+
+    for (var i = 0; i < N / 2; i++) {
+      var t = rws[i];
+
+      rws[i] = rws[N - i - 1];
+      rws[N - i - 1] = t;
+
+      t = iws[i];
+
+      iws[i] = -iws[N - i - 1];
+      iws[N - i - 1] = -t;
+    }
+  };
+
+  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
+    var carry = 0;
+    for (var i = 0; i < N / 2; i++) {
+      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
+        Math.round(ws[2 * i] / N) +
+        carry;
+
+      ws[i] = w & 0x3ffffff;
+
+      if (w < 0x4000000) {
+        carry = 0;
+      } else {
+        carry = w / 0x4000000 | 0;
+      }
+    }
+
+    return ws;
+  };
+
+  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
+    var carry = 0;
+    for (var i = 0; i < len; i++) {
+      carry = carry + (ws[i] | 0);
+
+      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
+      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
+    }
+
+    // Pad with zeroes
+    for (i = 2 * len; i < N; ++i) {
+      rws[i] = 0;
+    }
+
+    assert(carry === 0);
+    assert((carry & ~0x1fff) === 0);
+  };
+
+  FFTM.prototype.stub = function stub (N) {
+    var ph = new Array(N);
+    for (var i = 0; i < N; i++) {
+      ph[i] = 0;
+    }
+
+    return ph;
+  };
+
+  FFTM.prototype.mulp = function mulp (x, y, out) {
+    var N = 2 * this.guessLen13b(x.length, y.length);
+
+    var rbt = this.makeRBT(N);
+
+    var _ = this.stub(N);
+
+    var rws = new Array(N);
+    var rwst = new Array(N);
+    var iwst = new Array(N);
+
+    var nrws = new Array(N);
+    var nrwst = new Array(N);
+    var niwst = new Array(N);
+
+    var rmws = out.words;
+    rmws.length = N;
+
+    this.convert13b(x.words, x.length, rws, N);
+    this.convert13b(y.words, y.length, nrws, N);
+
+    this.transform(rws, _, rwst, iwst, N, rbt);
+    this.transform(nrws, _, nrwst, niwst, N, rbt);
+
+    for (var i = 0; i < N; i++) {
+      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
+      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
+      rwst[i] = rx;
+    }
+
+    this.conjugate(rwst, iwst, N);
+    this.transform(rwst, iwst, rmws, _, N, rbt);
+    this.conjugate(rmws, _, N);
+    this.normalize13b(rmws, N);
+
+    out.negative = x.negative ^ y.negative;
+    out.length = x.length + y.length;
+    return out.strip();
+  };
+
+  // Multiply `this` by `num`
+  BN.prototype.mul = function mul (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return this.mulTo(num, out);
+  };
+
+  // Multiply employing FFT
+  BN.prototype.mulf = function mulf (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return jumboMulTo(this, num, out);
+  };
+
+  // In-place Multiplication
+  BN.prototype.imul = function imul (num) {
+    return this.clone().mulTo(num, this);
+  };
+
+  BN.prototype.imuln = function imuln (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+
+    // Carry
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var w = (this.words[i] | 0) * num;
+      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+      carry >>= 26;
+      carry += (w / 0x4000000) | 0;
+      // NOTE: lo is 27bit maximum
+      carry += lo >>> 26;
+      this.words[i] = lo & 0x3ffffff;
+    }
+
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+
+    return this;
+  };
+
+  BN.prototype.muln = function muln (num) {
+    return this.clone().imuln(num);
+  };
+
+  // `this` * `this`
+  BN.prototype.sqr = function sqr () {
+    return this.mul(this);
+  };
+
+  // `this` * `this` in-place
+  BN.prototype.isqr = function isqr () {
+    return this.imul(this.clone());
+  };
+
+  // Math.pow(`this`, `num`)
+  BN.prototype.pow = function pow (num) {
+    var w = toBitArray(num);
+    if (w.length === 0) return new BN(1);
+
+    // Skip leading zeroes
+    var res = this;
+    for (var i = 0; i < w.length; i++, res = res.sqr()) {
+      if (w[i] !== 0) break;
+    }
+
+    if (++i < w.length) {
+      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
+        if (w[i] === 0) continue;
+
+        res = res.mul(q);
+      }
+    }
+
+    return res;
+  };
+
+  // Shift-left in-place
+  BN.prototype.iushln = function iushln (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+    var i;
+
+    if (r !== 0) {
+      var carry = 0;
+
+      for (i = 0; i < this.length; i++) {
+        var newCarry = this.words[i] & carryMask;
+        var c = ((this.words[i] | 0) - newCarry) << r;
+        this.words[i] = c | carry;
+        carry = newCarry >>> (26 - r);
+      }
+
+      if (carry) {
+        this.words[i] = carry;
+        this.length++;
+      }
+    }
+
+    if (s !== 0) {
+      for (i = this.length - 1; i >= 0; i--) {
+        this.words[i + s] = this.words[i];
+      }
+
+      for (i = 0; i < s; i++) {
+        this.words[i] = 0;
+      }
+
+      this.length += s;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishln = function ishln (bits) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushln(bits);
+  };
+
+  // Shift-right in-place
+  // NOTE: `hint` is a lowest bit before trailing zeroes
+  // NOTE: if `extended` is present - it will be filled with destroyed bits
+  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var h;
+    if (hint) {
+      h = (hint - (hint % 26)) / 26;
+    } else {
+      h = 0;
+    }
+
+    var r = bits % 26;
+    var s = Math.min((bits - r) / 26, this.length);
+    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+    var maskedWords = extended;
+
+    h -= s;
+    h = Math.max(0, h);
+
+    // Extended mode, copy masked part
+    if (maskedWords) {
+      for (var i = 0; i < s; i++) {
+        maskedWords.words[i] = this.words[i];
+      }
+      maskedWords.length = s;
+    }
+
+    if (s === 0) {
+      // No-op, we should not move anything at all
+    } else if (this.length > s) {
+      this.length -= s;
+      for (i = 0; i < this.length; i++) {
+        this.words[i] = this.words[i + s];
+      }
+    } else {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    var carry = 0;
+    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+      var word = this.words[i] | 0;
+      this.words[i] = (carry << (26 - r)) | (word >>> r);
+      carry = word & mask;
+    }
+
+    // Push carried bits as a mask
+    if (maskedWords && carry !== 0) {
+      maskedWords.words[maskedWords.length++] = carry;
+    }
+
+    if (this.length === 0) {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushrn(bits, hint, extended);
+  };
+
+  // Shift-left
+  BN.prototype.shln = function shln (bits) {
+    return this.clone().ishln(bits);
+  };
+
+  BN.prototype.ushln = function ushln (bits) {
+    return this.clone().iushln(bits);
+  };
+
+  // Shift-right
+  BN.prototype.shrn = function shrn (bits) {
+    return this.clone().ishrn(bits);
+  };
+
+  BN.prototype.ushrn = function ushrn (bits) {
+    return this.clone().iushrn(bits);
+  };
+
+  // Test if n bit is set
+  BN.prototype.testn = function testn (bit) {
+    assert(typeof bit === 'number' && bit >= 0);
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) return false;
+
+    // Check bit and return
+    var w = this.words[s];
+
+    return !!(w & q);
+  };
+
+  // Return only lowers bits of number (in-place)
+  BN.prototype.imaskn = function imaskn (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+
+    assert(this.negative === 0, 'imaskn works only with positive numbers');
+
+    if (this.length <= s) {
+      return this;
+    }
+
+    if (r !== 0) {
+      s++;
+    }
+    this.length = Math.min(s, this.length);
+
+    if (r !== 0) {
+      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+      this.words[this.length - 1] &= mask;
+    }
+
+    return this.strip();
+  };
+
+  // Return only lowers bits of number
+  BN.prototype.maskn = function maskn (bits) {
+    return this.clone().imaskn(bits);
+  };
+
+  // Add plain number `num` to `this`
+  BN.prototype.iaddn = function iaddn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.isubn(-num);
+
+    // Possible sign change
+    if (this.negative !== 0) {
+      if (this.length === 1 && (this.words[0] | 0) < num) {
+        this.words[0] = num - (this.words[0] | 0);
+        this.negative = 0;
+        return this;
+      }
+
+      this.negative = 0;
+      this.isubn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    // Add without checks
+    return this._iaddn(num);
+  };
+
+  BN.prototype._iaddn = function _iaddn (num) {
+    this.words[0] += num;
+
+    // Carry
+    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+      this.words[i] -= 0x4000000;
+      if (i === this.length - 1) {
+        this.words[i + 1] = 1;
+      } else {
+        this.words[i + 1]++;
+      }
+    }
+    this.length = Math.max(this.length, i + 1);
+
+    return this;
+  };
+
+  // Subtract plain number `num` from `this`
+  BN.prototype.isubn = function isubn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.iaddn(-num);
+
+    if (this.negative !== 0) {
+      this.negative = 0;
+      this.iaddn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    this.words[0] -= num;
+
+    if (this.length === 1 && this.words[0] < 0) {
+      this.words[0] = -this.words[0];
+      this.negative = 1;
+    } else {
+      // Carry
+      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+        this.words[i] += 0x4000000;
+        this.words[i + 1] -= 1;
+      }
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.addn = function addn (num) {
+    return this.clone().iaddn(num);
+  };
+
+  BN.prototype.subn = function subn (num) {
+    return this.clone().isubn(num);
+  };
+
+  BN.prototype.iabs = function iabs () {
+    this.negative = 0;
+
+    return this;
+  };
+
+  BN.prototype.abs = function abs () {
+    return this.clone().iabs();
+  };
+
+  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
+    var len = num.length + shift;
+    var i;
+
+    this._expand(len);
+
+    var w;
+    var carry = 0;
+    for (i = 0; i < num.length; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      var right = (num.words[i] | 0) * mul;
+      w -= right & 0x3ffffff;
+      carry = (w >> 26) - ((right / 0x4000000) | 0);
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+    for (; i < this.length - shift; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      carry = w >> 26;
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+
+    if (carry === 0) return this.strip();
+
+    // Subtraction overflow
+    assert(carry === -1);
+    carry = 0;
+    for (i = 0; i < this.length; i++) {
+      w = -(this.words[i] | 0) + carry;
+      carry = w >> 26;
+      this.words[i] = w & 0x3ffffff;
+    }
+    this.negative = 1;
+
+    return this.strip();
+  };
+
+  BN.prototype._wordDiv = function _wordDiv (num, mode) {
+    var shift = this.length - num.length;
+
+    var a = this.clone();
+    var b = num;
+
+    // Normalize
+    var bhi = b.words[b.length - 1] | 0;
+    var bhiBits = this._countBits(bhi);
+    shift = 26 - bhiBits;
+    if (shift !== 0) {
+      b = b.ushln(shift);
+      a.iushln(shift);
+      bhi = b.words[b.length - 1] | 0;
+    }
+
+    // Initialize quotient
+    var m = a.length - b.length;
+    var q;
+
+    if (mode !== 'mod') {
+      q = new BN(null);
+      q.length = m + 1;
+      q.words = new Array(q.length);
+      for (var i = 0; i < q.length; i++) {
+        q.words[i] = 0;
+      }
+    }
+
+    var diff = a.clone()._ishlnsubmul(b, 1, m);
+    if (diff.negative === 0) {
+      a = diff;
+      if (q) {
+        q.words[m] = 1;
+      }
+    }
+
+    for (var j = m - 1; j >= 0; j--) {
+      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
+        (a.words[b.length + j - 1] | 0);
+
+      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+      // (0x7ffffff)
+      qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+      a._ishlnsubmul(b, qj, j);
+      while (a.negative !== 0) {
+        qj--;
+        a.negative = 0;
+        a._ishlnsubmul(b, 1, j);
+        if (!a.isZero()) {
+          a.negative ^= 1;
+        }
+      }
+      if (q) {
+        q.words[j] = qj;
+      }
+    }
+    if (q) {
+      q.strip();
+    }
+    a.strip();
+
+    // Denormalize
+    if (mode !== 'div' && shift !== 0) {
+      a.iushrn(shift);
+    }
+
+    return {
+      div: q || null,
+      mod: a
+    };
+  };
+
+  // NOTE: 1) `mode` can be set to `mod` to request mod only,
+  //       to `div` to request div only, or be absent to
+  //       request both div & mod
+  //       2) `positive` is true if unsigned mod is requested
+  BN.prototype.divmod = function divmod (num, mode, positive) {
+    assert(!num.isZero());
+
+    if (this.isZero()) {
+      return {
+        div: new BN(0),
+        mod: new BN(0)
+      };
+    }
+
+    var div, mod, res;
+    if (this.negative !== 0 && num.negative === 0) {
+      res = this.neg().divmod(num, mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.iadd(num);
+        }
+      }
+
+      return {
+        div: div,
+        mod: mod
+      };
+    }
+
+    if (this.negative === 0 && num.negative !== 0) {
+      res = this.divmod(num.neg(), mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      return {
+        div: div,
+        mod: res.mod
+      };
+    }
+
+    if ((this.negative & num.negative) !== 0) {
+      res = this.neg().divmod(num.neg(), mode);
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.isub(num);
+        }
+      }
+
+      return {
+        div: res.div,
+        mod: mod
+      };
+    }
+
+    // Both numbers are positive at this point
+
+    // Strip both numbers to approximate shift value
+    if (num.length > this.length || this.cmp(num) < 0) {
+      return {
+        div: new BN(0),
+        mod: this
+      };
+    }
+
+    // Very short reduction
+    if (num.length === 1) {
+      if (mode === 'div') {
+        return {
+          div: this.divn(num.words[0]),
+          mod: null
+        };
+      }
+
+      if (mode === 'mod') {
+        return {
+          div: null,
+          mod: new BN(this.modn(num.words[0]))
+        };
+      }
+
+      return {
+        div: this.divn(num.words[0]),
+        mod: new BN(this.modn(num.words[0]))
+      };
+    }
+
+    return this._wordDiv(num, mode);
+  };
+
+  // Find `this` / `num`
+  BN.prototype.div = function div (num) {
+    return this.divmod(num, 'div', false).div;
+  };
+
+  // Find `this` % `num`
+  BN.prototype.mod = function mod (num) {
+    return this.divmod(num, 'mod', false).mod;
+  };
+
+  BN.prototype.umod = function umod (num) {
+    return this.divmod(num, 'mod', true).mod;
+  };
+
+  // Find Round(`this` / `num`)
+  BN.prototype.divRound = function divRound (num) {
+    var dm = this.divmod(num);
+
+    // Fast case - exact division
+    if (dm.mod.isZero()) return dm.div;
+
+    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
+
+    var half = num.ushrn(1);
+    var r2 = num.andln(1);
+    var cmp = mod.cmp(half);
+
+    // Round down
+    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
+
+    // Round up
+    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
+  };
+
+  BN.prototype.modn = function modn (num) {
+    assert(num <= 0x3ffffff);
+    var p = (1 << 26) % num;
+
+    var acc = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      acc = (p * acc + (this.words[i] | 0)) % num;
+    }
+
+    return acc;
+  };
+
+  // In-place division by number
+  BN.prototype.idivn = function idivn (num) {
+    assert(num <= 0x3ffffff);
+
+    var carry = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var w = (this.words[i] | 0) + carry * 0x4000000;
+      this.words[i] = (w / num) | 0;
+      carry = w % num;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.divn = function divn (num) {
+    return this.clone().idivn(num);
+  };
+
+  BN.prototype.egcd = function egcd (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var x = this;
+    var y = p.clone();
+
+    if (x.negative !== 0) {
+      x = x.umod(p);
+    } else {
+      x = x.clone();
+    }
+
+    // A * x + B * y = x
+    var A = new BN(1);
+    var B = new BN(0);
+
+    // C * x + D * y = y
+    var C = new BN(0);
+    var D = new BN(1);
+
+    var g = 0;
+
+    while (x.isEven() && y.isEven()) {
+      x.iushrn(1);
+      y.iushrn(1);
+      ++g;
+    }
+
+    var yp = y.clone();
+    var xp = x.clone();
+
+    while (!x.isZero()) {
+      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        x.iushrn(i);
+        while (i-- > 0) {
+          if (A.isOdd() || B.isOdd()) {
+            A.iadd(yp);
+            B.isub(xp);
+          }
+
+          A.iushrn(1);
+          B.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        y.iushrn(j);
+        while (j-- > 0) {
+          if (C.isOdd() || D.isOdd()) {
+            C.iadd(yp);
+            D.isub(xp);
+          }
+
+          C.iushrn(1);
+          D.iushrn(1);
+        }
+      }
+
+      if (x.cmp(y) >= 0) {
+        x.isub(y);
+        A.isub(C);
+        B.isub(D);
+      } else {
+        y.isub(x);
+        C.isub(A);
+        D.isub(B);
+      }
+    }
+
+    return {
+      a: C,
+      b: D,
+      gcd: y.iushln(g)
+    };
+  };
+
+  // This is reduced incarnation of the binary EEA
+  // above, designated to invert members of the
+  // _prime_ fields F(p) at a maximal speed
+  BN.prototype._invmp = function _invmp (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var a = this;
+    var b = p.clone();
+
+    if (a.negative !== 0) {
+      a = a.umod(p);
+    } else {
+      a = a.clone();
+    }
+
+    var x1 = new BN(1);
+    var x2 = new BN(0);
+
+    var delta = b.clone();
+
+    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        a.iushrn(i);
+        while (i-- > 0) {
+          if (x1.isOdd()) {
+            x1.iadd(delta);
+          }
+
+          x1.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        b.iushrn(j);
+        while (j-- > 0) {
+          if (x2.isOdd()) {
+            x2.iadd(delta);
+          }
+
+          x2.iushrn(1);
+        }
+      }
+
+      if (a.cmp(b) >= 0) {
+        a.isub(b);
+        x1.isub(x2);
+      } else {
+        b.isub(a);
+        x2.isub(x1);
+      }
+    }
+
+    var res;
+    if (a.cmpn(1) === 0) {
+      res = x1;
+    } else {
+      res = x2;
+    }
+
+    if (res.cmpn(0) < 0) {
+      res.iadd(p);
+    }
+
+    return res;
+  };
+
+  BN.prototype.gcd = function gcd (num) {
+    if (this.isZero()) return num.abs();
+    if (num.isZero()) return this.abs();
+
+    var a = this.clone();
+    var b = num.clone();
+    a.negative = 0;
+    b.negative = 0;
+
+    // Remove common factor of two
+    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+      a.iushrn(1);
+      b.iushrn(1);
+    }
+
+    do {
+      while (a.isEven()) {
+        a.iushrn(1);
+      }
+      while (b.isEven()) {
+        b.iushrn(1);
+      }
+
+      var r = a.cmp(b);
+      if (r < 0) {
+        // Swap `a` and `b` to make `a` always bigger than `b`
+        var t = a;
+        a = b;
+        b = t;
+      } else if (r === 0 || b.cmpn(1) === 0) {
+        break;
+      }
+
+      a.isub(b);
+    } while (true);
+
+    return b.iushln(shift);
+  };
+
+  // Invert number in the field F(num)
+  BN.prototype.invm = function invm (num) {
+    return this.egcd(num).a.umod(num);
+  };
+
+  BN.prototype.isEven = function isEven () {
+    return (this.words[0] & 1) === 0;
+  };
+
+  BN.prototype.isOdd = function isOdd () {
+    return (this.words[0] & 1) === 1;
+  };
+
+  // And first word and num
+  BN.prototype.andln = function andln (num) {
+    return this.words[0] & num;
+  };
+
+  // Increment at the bit position in-line
+  BN.prototype.bincn = function bincn (bit) {
+    assert(typeof bit === 'number');
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) {
+      this._expand(s + 1);
+      this.words[s] |= q;
+      return this;
+    }
+
+    // Add bit and propagate, if needed
+    var carry = q;
+    for (var i = s; carry !== 0 && i < this.length; i++) {
+      var w = this.words[i] | 0;
+      w += carry;
+      carry = w >>> 26;
+      w &= 0x3ffffff;
+      this.words[i] = w;
+    }
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+    return this;
+  };
+
+  BN.prototype.isZero = function isZero () {
+    return this.length === 1 && this.words[0] === 0;
+  };
+
+  BN.prototype.cmpn = function cmpn (num) {
+    var negative = num < 0;
+
+    if (this.negative !== 0 && !negative) return -1;
+    if (this.negative === 0 && negative) return 1;
+
+    this.strip();
+
+    var res;
+    if (this.length > 1) {
+      res = 1;
+    } else {
+      if (negative) {
+        num = -num;
+      }
+
+      assert(num <= 0x3ffffff, 'Number is too big');
+
+      var w = this.words[0] | 0;
+      res = w === num ? 0 : w < num ? -1 : 1;
+    }
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Compare two numbers and return:
+  // 1 - if `this` > `num`
+  // 0 - if `this` == `num`
+  // -1 - if `this` < `num`
+  BN.prototype.cmp = function cmp (num) {
+    if (this.negative !== 0 && num.negative === 0) return -1;
+    if (this.negative === 0 && num.negative !== 0) return 1;
+
+    var res = this.ucmp(num);
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Unsigned comparison
+  BN.prototype.ucmp = function ucmp (num) {
+    // At this point both numbers have the same sign
+    if (this.length > num.length) return 1;
+    if (this.length < num.length) return -1;
+
+    var res = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var a = this.words[i] | 0;
+      var b = num.words[i] | 0;
+
+      if (a === b) continue;
+      if (a < b) {
+        res = -1;
+      } else if (a > b) {
+        res = 1;
+      }
+      break;
+    }
+    return res;
+  };
+
+  BN.prototype.gtn = function gtn (num) {
+    return this.cmpn(num) === 1;
+  };
+
+  BN.prototype.gt = function gt (num) {
+    return this.cmp(num) === 1;
+  };
+
+  BN.prototype.gten = function gten (num) {
+    return this.cmpn(num) >= 0;
+  };
+
+  BN.prototype.gte = function gte (num) {
+    return this.cmp(num) >= 0;
+  };
+
+  BN.prototype.ltn = function ltn (num) {
+    return this.cmpn(num) === -1;
+  };
+
+  BN.prototype.lt = function lt (num) {
+    return this.cmp(num) === -1;
+  };
+
+  BN.prototype.lten = function lten (num) {
+    return this.cmpn(num) <= 0;
+  };
+
+  BN.prototype.lte = function lte (num) {
+    return this.cmp(num) <= 0;
+  };
+
+  BN.prototype.eqn = function eqn (num) {
+    return this.cmpn(num) === 0;
+  };
+
+  BN.prototype.eq = function eq (num) {
+    return this.cmp(num) === 0;
+  };
+
+  //
+  // A reduce context, could be using montgomery or something better, depending
+  // on the `m` itself.
+  //
+  BN.red = function red (num) {
+    return new Red(num);
+  };
+
+  BN.prototype.toRed = function toRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    assert(this.negative === 0, 'red works only with positives');
+    return ctx.convertTo(this)._forceRed(ctx);
+  };
+
+  BN.prototype.fromRed = function fromRed () {
+    assert(this.red, 'fromRed works only with numbers in reduction context');
+    return this.red.convertFrom(this);
+  };
+
+  BN.prototype._forceRed = function _forceRed (ctx) {
+    this.red = ctx;
+    return this;
+  };
+
+  BN.prototype.forceRed = function forceRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    return this._forceRed(ctx);
+  };
+
+  BN.prototype.redAdd = function redAdd (num) {
+    assert(this.red, 'redAdd works only with red numbers');
+    return this.red.add(this, num);
+  };
+
+  BN.prototype.redIAdd = function redIAdd (num) {
+    assert(this.red, 'redIAdd works only with red numbers');
+    return this.red.iadd(this, num);
+  };
+
+  BN.prototype.redSub = function redSub (num) {
+    assert(this.red, 'redSub works only with red numbers');
+    return this.red.sub(this, num);
+  };
+
+  BN.prototype.redISub = function redISub (num) {
+    assert(this.red, 'redISub works only with red numbers');
+    return this.red.isub(this, num);
+  };
+
+  BN.prototype.redShl = function redShl (num) {
+    assert(this.red, 'redShl works only with red numbers');
+    return this.red.shl(this, num);
+  };
+
+  BN.prototype.redMul = function redMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.mul(this, num);
+  };
+
+  BN.prototype.redIMul = function redIMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.imul(this, num);
+  };
+
+  BN.prototype.redSqr = function redSqr () {
+    assert(this.red, 'redSqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqr(this);
+  };
+
+  BN.prototype.redISqr = function redISqr () {
+    assert(this.red, 'redISqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.isqr(this);
+  };
+
+  // Square root over p
+  BN.prototype.redSqrt = function redSqrt () {
+    assert(this.red, 'redSqrt works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqrt(this);
+  };
+
+  BN.prototype.redInvm = function redInvm () {
+    assert(this.red, 'redInvm works only with red numbers');
+    this.red._verify1(this);
+    return this.red.invm(this);
+  };
+
+  // Return negative clone of `this` % `red modulo`
+  BN.prototype.redNeg = function redNeg () {
+    assert(this.red, 'redNeg works only with red numbers');
+    this.red._verify1(this);
+    return this.red.neg(this);
+  };
+
+  BN.prototype.redPow = function redPow (num) {
+    assert(this.red && !num.red, 'redPow(normalNum)');
+    this.red._verify1(this);
+    return this.red.pow(this, num);
+  };
+
+  // Prime numbers with efficient reduction
+  var primes = {
+    k256: null,
+    p224: null,
+    p192: null,
+    p25519: null
+  };
+
+  // Pseudo-Mersenne prime
+  function MPrime (name, p) {
+    // P = 2 ^ N - K
+    this.name = name;
+    this.p = new BN(p, 16);
+    this.n = this.p.bitLength();
+    this.k = new BN(1).iushln(this.n).isub(this.p);
+
+    this.tmp = this._tmp();
+  }
+
+  MPrime.prototype._tmp = function _tmp () {
+    var tmp = new BN(null);
+    tmp.words = new Array(Math.ceil(this.n / 13));
+    return tmp;
+  };
+
+  MPrime.prototype.ireduce = function ireduce (num) {
+    // Assumes that `num` is less than `P^2`
+    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+    var r = num;
+    var rlen;
+
+    do {
+      this.split(r, this.tmp);
+      r = this.imulK(r);
+      r = r.iadd(this.tmp);
+      rlen = r.bitLength();
+    } while (rlen > this.n);
+
+    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+    if (cmp === 0) {
+      r.words[0] = 0;
+      r.length = 1;
+    } else if (cmp > 0) {
+      r.isub(this.p);
+    } else {
+      r.strip();
+    }
+
+    return r;
+  };
+
+  MPrime.prototype.split = function split (input, out) {
+    input.iushrn(this.n, 0, out);
+  };
+
+  MPrime.prototype.imulK = function imulK (num) {
+    return num.imul(this.k);
+  };
+
+  function K256 () {
+    MPrime.call(
+      this,
+      'k256',
+      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+  }
+  inherits(K256, MPrime);
+
+  K256.prototype.split = function split (input, output) {
+    // 256 = 9 * 26 + 22
+    var mask = 0x3fffff;
+
+    var outLen = Math.min(input.length, 9);
+    for (var i = 0; i < outLen; i++) {
+      output.words[i] = input.words[i];
+    }
+    output.length = outLen;
+
+    if (input.length <= 9) {
+      input.words[0] = 0;
+      input.length = 1;
+      return;
+    }
+
+    // Shift by 9 limbs
+    var prev = input.words[9];
+    output.words[output.length++] = prev & mask;
+
+    for (i = 10; i < input.length; i++) {
+      var next = input.words[i] | 0;
+      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+      prev = next;
+    }
+    prev >>>= 22;
+    input.words[i - 10] = prev;
+    if (prev === 0 && input.length > 10) {
+      input.length -= 10;
+    } else {
+      input.length -= 9;
+    }
+  };
+
+  K256.prototype.imulK = function imulK (num) {
+    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+    num.words[num.length] = 0;
+    num.words[num.length + 1] = 0;
+    num.length += 2;
+
+    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+    var lo = 0;
+    for (var i = 0; i < num.length; i++) {
+      var w = num.words[i] | 0;
+      lo += w * 0x3d1;
+      num.words[i] = lo & 0x3ffffff;
+      lo = w * 0x40 + ((lo / 0x4000000) | 0);
+    }
+
+    // Fast length reduction
+    if (num.words[num.length - 1] === 0) {
+      num.length--;
+      if (num.words[num.length - 1] === 0) {
+        num.length--;
+      }
+    }
+    return num;
+  };
+
+  function P224 () {
+    MPrime.call(
+      this,
+      'p224',
+      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+  }
+  inherits(P224, MPrime);
+
+  function P192 () {
+    MPrime.call(
+      this,
+      'p192',
+      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+  }
+  inherits(P192, MPrime);
+
+  function P25519 () {
+    // 2 ^ 255 - 19
+    MPrime.call(
+      this,
+      '25519',
+      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+  }
+  inherits(P25519, MPrime);
+
+  P25519.prototype.imulK = function imulK (num) {
+    // K = 0x13
+    var carry = 0;
+    for (var i = 0; i < num.length; i++) {
+      var hi = (num.words[i] | 0) * 0x13 + carry;
+      var lo = hi & 0x3ffffff;
+      hi >>>= 26;
+
+      num.words[i] = lo;
+      carry = hi;
+    }
+    if (carry !== 0) {
+      num.words[num.length++] = carry;
+    }
+    return num;
+  };
+
+  // Exported mostly for testing purposes, use plain name instead
+  BN._prime = function prime (name) {
+    // Cached version of prime
+    if (primes[name]) return primes[name];
+
+    var prime;
+    if (name === 'k256') {
+      prime = new K256();
+    } else if (name === 'p224') {
+      prime = new P224();
+    } else if (name === 'p192') {
+      prime = new P192();
+    } else if (name === 'p25519') {
+      prime = new P25519();
+    } else {
+      throw new Error('Unknown prime ' + name);
+    }
+    primes[name] = prime;
+
+    return prime;
+  };
+
+  //
+  // Base reduction engine
+  //
+  function Red (m) {
+    if (typeof m === 'string') {
+      var prime = BN._prime(m);
+      this.m = prime.p;
+      this.prime = prime;
+    } else {
+      assert(m.gtn(1), 'modulus must be greater than 1');
+      this.m = m;
+      this.prime = null;
+    }
+  }
+
+  Red.prototype._verify1 = function _verify1 (a) {
+    assert(a.negative === 0, 'red works only with positives');
+    assert(a.red, 'red works only with red numbers');
+  };
+
+  Red.prototype._verify2 = function _verify2 (a, b) {
+    assert((a.negative | b.negative) === 0, 'red works only with positives');
+    assert(a.red && a.red === b.red,
+      'red works only with red numbers');
+  };
+
+  Red.prototype.imod = function imod (a) {
+    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
+    return a.umod(this.m)._forceRed(this);
+  };
+
+  Red.prototype.neg = function neg (a) {
+    if (a.isZero()) {
+      return a.clone();
+    }
+
+    return this.m.sub(a)._forceRed(this);
+  };
+
+  Red.prototype.add = function add (a, b) {
+    this._verify2(a, b);
+
+    var res = a.add(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.iadd = function iadd (a, b) {
+    this._verify2(a, b);
+
+    var res = a.iadd(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.sub = function sub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.sub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.isub = function isub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.isub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.shl = function shl (a, num) {
+    this._verify1(a);
+    return this.imod(a.ushln(num));
+  };
+
+  Red.prototype.imul = function imul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.imul(b));
+  };
+
+  Red.prototype.mul = function mul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.mul(b));
+  };
+
+  Red.prototype.isqr = function isqr (a) {
+    return this.imul(a, a.clone());
+  };
+
+  Red.prototype.sqr = function sqr (a) {
+    return this.mul(a, a);
+  };
+
+  Red.prototype.sqrt = function sqrt (a) {
+    if (a.isZero()) return a.clone();
+
+    var mod3 = this.m.andln(3);
+    assert(mod3 % 2 === 1);
+
+    // Fast case
+    if (mod3 === 3) {
+      var pow = this.m.add(new BN(1)).iushrn(2);
+      return this.pow(a, pow);
+    }
+
+    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+    //
+    // Find Q and S, that Q * 2 ^ S = (P - 1)
+    var q = this.m.subn(1);
+    var s = 0;
+    while (!q.isZero() && q.andln(1) === 0) {
+      s++;
+      q.iushrn(1);
+    }
+    assert(!q.isZero());
+
+    var one = new BN(1).toRed(this);
+    var nOne = one.redNeg();
+
+    // Find quadratic non-residue
+    // NOTE: Max is such because of generalized Riemann hypothesis.
+    var lpow = this.m.subn(1).iushrn(1);
+    var z = this.m.bitLength();
+    z = new BN(2 * z * z).toRed(this);
+
+    while (this.pow(z, lpow).cmp(nOne) !== 0) {
+      z.redIAdd(nOne);
+    }
+
+    var c = this.pow(z, q);
+    var r = this.pow(a, q.addn(1).iushrn(1));
+    var t = this.pow(a, q);
+    var m = s;
+    while (t.cmp(one) !== 0) {
+      var tmp = t;
+      for (var i = 0; tmp.cmp(one) !== 0; i++) {
+        tmp = tmp.redSqr();
+      }
+      assert(i < m);
+      var b = this.pow(c, new BN(1).iushln(m - i - 1));
+
+      r = r.redMul(b);
+      c = b.redSqr();
+      t = t.redMul(c);
+      m = i;
+    }
+
+    return r;
+  };
+
+  Red.prototype.invm = function invm (a) {
+    var inv = a._invmp(this.m);
+    if (inv.negative !== 0) {
+      inv.negative = 0;
+      return this.imod(inv).redNeg();
+    } else {
+      return this.imod(inv);
+    }
+  };
+
+  Red.prototype.pow = function pow (a, num) {
+    if (num.isZero()) return new BN(1).toRed(this);
+    if (num.cmpn(1) === 0) return a.clone();
+
+    var windowSize = 4;
+    var wnd = new Array(1 << windowSize);
+    wnd[0] = new BN(1).toRed(this);
+    wnd[1] = a;
+    for (var i = 2; i < wnd.length; i++) {
+      wnd[i] = this.mul(wnd[i - 1], a);
+    }
+
+    var res = wnd[0];
+    var current = 0;
+    var currentLen = 0;
+    var start = num.bitLength() % 26;
+    if (start === 0) {
+      start = 26;
+    }
+
+    for (i = num.length - 1; i >= 0; i--) {
+      var word = num.words[i];
+      for (var j = start - 1; j >= 0; j--) {
+        var bit = (word >> j) & 1;
+        if (res !== wnd[0]) {
+          res = this.sqr(res);
+        }
+
+        if (bit === 0 && current === 0) {
+          currentLen = 0;
+          continue;
+        }
+
+        current <<= 1;
+        current |= bit;
+        currentLen++;
+        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
+
+        res = this.mul(res, wnd[current]);
+        currentLen = 0;
+        current = 0;
+      }
+      start = 26;
+    }
+
+    return res;
+  };
+
+  Red.prototype.convertTo = function convertTo (num) {
+    var r = num.umod(this.m);
+
+    return r === num ? r.clone() : r;
+  };
+
+  Red.prototype.convertFrom = function convertFrom (num) {
+    var res = num.clone();
+    res.red = null;
+    return res;
+  };
+
+  //
+  // Montgomery method engine
+  //
+
+  BN.mont = function mont (num) {
+    return new Mont(num);
+  };
+
+  function Mont (m) {
+    Red.call(this, m);
+
+    this.shift = this.m.bitLength();
+    if (this.shift % 26 !== 0) {
+      this.shift += 26 - (this.shift % 26);
+    }
+
+    this.r = new BN(1).iushln(this.shift);
+    this.r2 = this.imod(this.r.sqr());
+    this.rinv = this.r._invmp(this.m);
+
+    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+    this.minv = this.minv.umod(this.r);
+    this.minv = this.r.sub(this.minv);
+  }
+  inherits(Mont, Red);
+
+  Mont.prototype.convertTo = function convertTo (num) {
+    return this.imod(num.ushln(this.shift));
+  };
+
+  Mont.prototype.convertFrom = function convertFrom (num) {
+    var r = this.imod(num.mul(this.rinv));
+    r.red = null;
+    return r;
+  };
+
+  Mont.prototype.imul = function imul (a, b) {
+    if (a.isZero() || b.isZero()) {
+      a.words[0] = 0;
+      a.length = 1;
+      return a;
+    }
+
+    var t = a.imul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.mul = function mul (a, b) {
+    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
+
+    var t = a.mul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.invm = function invm (a) {
+    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+    var res = this.imod(a._invmp(this.m).mul(this.r2));
+    return res._forceRed(this);
+  };
+})('object' === 'undefined' || module, commonjsGlobal);
+});
+
+
+
+var bn$3 = Object.freeze({
+	default: bn$1,
+	__moduleExports: bn$1
+});
+
+var bnjs = ( bn$3 && bn$1 ) || bn$3;
+
+'use strict';
+
+/*
+ * Utility methods
+ */
+
+//var bn = require('bignum');
+
+
+var raku = [
+  3077398253,
+  3995603712,
+  2243735041,
+  1261992695
+];
+
+var prefix$1 = "dozmarbinwansamlitsighidfidlissogdirwacsabwissibrigsoldopmodfoglidhopdardorlorhodfolrintogsilmirholpaslacrovlivdalsatlibtabhanticpidtorbolfosdotlosdilforpilramtirwintadbicdifrocwidbisdasmidloprilnardapmolsanlocnovsitnidtipsicropwitnatpanminritpodmottamtolsavposnapnopsomfinfonbanmorworsipronnorbotwicsocwatdolmagpicdavbidbaltimtasmalligsivtagpadsaldivdactansidfabtarmonranniswolmispallasdismaprabtobrollatlonnodnavfignomnibpagsopralbilhaddocridmocpacravripfaltodtiltinhapmicfanpattaclabmogsimsonpinlomrictapfirhasbosbatpochactidhavsaplindibhosdabbitbarracparloddosbortochilmactomdigfilfasmithobharmighinradmashalraglagfadtopmophabnilnosmilfopfamdatnoldinhatnacrisfotribhocnimlarfitwalrapsarnalmoslandondanladdovrivbacpollaptalpitnambonrostonfodponsovnocsorlavmatmipfip";
+
+var suffix$1 = "zodnecbudwessevpersutletfulpensytdurwepserwylsunrypsyxdyrnuphebpeglupdepdysputlughecryttyvsydnexlunmeplutseppesdelsulpedtemledtulmetwenbynhexfebpyldulhetmevruttylwydtepbesdexsefwycburderneppurrysrebdennutsubpetrulsynregtydsupsemwynrecmegnetsecmulnymtevwebsummutnyxrextebfushepbenmuswyxsymselrucdecwexsyrwetdylmynmesdetbetbeltuxtugmyrpelsyptermebsetdutdegtexsurfeltudnuxruxrenwytnubmedlytdusnebrumtynseglyxpunresredfunrevrefmectedrusbexlebduxrynnumpyxrygryxfeptyrtustyclegnemfermertenlusnussyltecmexpubrymtucfyllepdebbermughuttunbylsudpemdevlurdefbusbeprunmelpexdytbyttyplevmylwedducfurfexnulluclennerlexrupnedlecrydlydfenwelnydhusrelrudneshesfetdesretdunlernyrsebhulrylludremlysfynwerrycsugnysnyllyndyndemluxfedsedbecmunlyrtesmudnytbyrsenwegfyrmurtelreptegpecnelnevfes";
+
+var getsyllable = function(s, i) {
+  return s.slice(i * 3, (i * 3) + 3);
+};
+
+var getprefix = function(i) {
+  return getsyllable(prefix$1, i);
+};
+
+var getsuffix = function(i) {
+  return getsyllable(suffix$1, i);
+};
+
+var getsyllableindex = function(str, syl) {
+  var i = str.indexOf(syl);
+  if (i < 0) {
+    return;
+  }
+  return i / 3
+};
+
+var getprefixindex = function(syl) {
+  return getsyllableindex(prefix$1, syl);
+};
+  
+var getsuffixindex = function(syl) {
+  return getsyllableindex(suffix$1, syl);
+};
+
+var wordtonum = function(word) {
+    if (word.length == 3) {
+      return 1 * getsuffixindex(word);
+    } else if (word.length == 6) {
+      var addr = getprefixindex(word.slice(0, 2));
+      addr = addr * 0x100;
+      addr = addr + getsuffixindex(word.slice(3, 5));
+      return addr;
+    } else {
+      return;
+    }
+};
+
+var feen = function(pyn) {
+  var f = 4294967295;
+  if (pyn >= 0x10000 && pyn <= 0xFFFFFFFF) {
+    var tmp = fice(pyn - 0x10000) + 0x10000;
+    return tmp;
+  }
+  if (pyn >= 0x100000000 && pyn <= 0xffffffffffffffff) {
+    var pynBn = new bnjs(pyn);
+    var lo = pynBn.and(f);
+    var hi = pynBn.and('18446744069414584000');
+    return hi.or(feen(lo)).toNumber();
+  }
+  return pyn;
+};
+
+var fend = function(cry) {
+  if (cry >= 0x10000 && cry <= 0xFFFFFFFF) {
+    var res = new bnjs(teil(cry - 0x10000));
+    res = res.add(new bnjs(65536)).toNumber();
+    return res;
+  }
+  if (cry >= 0x100000000 && cry <= bn(0xffffffffffffffff)) {
+    var cryBn = new bnjs(cry);
+    var lo = cryBn.and(new bnjs('0xFFFFFFFF'));
+    var hi = cryBn.and(new bnjs('0xffffffff00000000'));
+    var res = hi.or(fend(lo));
+    return res.toNumber();
+  }
+  return cry;
+};
+
+var fice = function(nor) {
+  var sel = [
+    nor % 65535,
+    nor / 65535
+  ];
+  for (var i = 0; i < 4; i++) {
+    sel = rynd(i, sel[0], sel[1]);
+  }
+
+  var res = 65535 * sel[0] + sel[1];
+  return res;
+};
+
+var teil = function(vip) {
+  var sel = [
+    vip % 65535,
+    vip / 65535
+    //vip % 0xFFFF,
+    //vip / 0x10000
+  ];
+  // maybe the for loops got borked in lua conversion
+  for (var i = 3; i > -1; i--) {
+    sel = rund(i, sel[0], sel[1]);
+  }
+  //var res = bn(bn(0xFFFF).mul(sel[0])).add(sel[1]);
+  var r1 = new bnjs(65535);
+  var res = r1.mul(new bnjs(sel[0])).add(new bnjs(sel[1]));
+  return res.toNumber();
+};
+
+var rynd = function(n, l, r) {
+  l = Math.floor(l);
+  var res = [r, 0];
+  var m = new bnjs(65536);
+  if (n % 2 == 0) {
+    m = new bnjs(65535);
+  }
+  //res[1] = (bn(muk(raku[n], 2, r)).add(l)) % m;
+  var r1 = new bnjs(muk(raku[n], 2, r));
+  var r2 = r1.add(new bnjs(l)).mod(m);
+  res[1] = r2.toNumber();
+  return res
+};
+
+var rund = function(n, l, r) {
+  l = Math.floor(l);
+  var res = [r, 0];
+  var m = new bnjs(65536);
+  if (n % 2 == 0) {
+    m = new bnjs(65535);
+  }
+  var h = new bnjs(muk(raku[n], 2, r));
+  var r1 = new bnjs(m + l);
+  var r2 = r1.sub(h.mod(m)).mod(m).toString();
+  res[1] = r2;
+  return res
+};
+
+var muk = function(syd, len, key) {
+  //key = bn(key);
+  var lo = key & 0xFF;
+  var hi = (key & 0xFF00) / 256;
+  var res = murmur3(String.fromCharCode(lo) + String.fromCharCode(hi), syd);
+  return res;
+};
+
+var murmur3 = function(data, seed) {
+  if (!seed) {
+    seed = 0;
+  }
+  var c1 = new bnjs(3432918353);
+  var c2 = new bnjs(461845907);
+
+  var f = 4294967295;
+
+  var length = new bnjs(data.length);
+  var h1 = new bnjs(seed);
+  var k1;
+  var roundedEnd = length & 0xFFFFFFFC;
+  // this will likely need to be redone with bignum
+  for (var i = 0; i < roundedEnd; i += 4) {
+    var x = data.charCodeAt(i + 3) ? data.charCodeAt(i + 3) : 0;
+    k1 = bn(data.charCodeAt(i) & 0xFF)
+      | ((data.charCodeAt(i + 1) & 0xFF) << 8)
+      | ((data.charCodeAt(i + 2) & 0xFF) << 16)
+      | (x << 24);
+    k1 = k1 * c1;
+    k1 = (k1 << 15) | ((k1 & 0xFFFFFFFF) >> 17);
+    k1 = k1 * c2;
+    h1 = h1 ^ k1;
+    h1 = (h1 << 13) | ((h1 & 0xFFFFFFFF) >> 19);
+    h1 = h1 * 5 + 3864292196;
+  }
+
+  k1 = 0;
+  var val = length & 0x03;
+  if (val == 3) {
+    k1 = (data.charCodeAt(roundedEnd + 2) & 0xFF) << 16;
+  }
+  if (val == 3 || val == 2) {
+    k1 = k1 | (data.charCodeAt(roundedEnd + 1) & 0xFF) << 8;
+  }
+  if (val == 3 || val == 2 || val == 1) {
+    k1 = k1 | (data.charCodeAt(roundedEnd) & 0xFF);
+    k1 = new bnjs(k1 * c1);
+    var k2 = new bnjs(k1.and(new bnjs(f)).shrn(17));
+    k1 = k1.shln(15).or(k2);
+    k1 = k1.mul(c2);
+    h1 = h1.xor(k1);
+  }
+  h1 = h1.xor(length);
+  h1 = h1.xor(h1.and(new bnjs(f)).shrn(16));
+  h1 = h1.mul(new bnjs(2246822507));
+  h1 = h1.xor(h1.and(new bnjs(f)).shrn(13));
+  h1 = h1.mul(new bnjs(3266489909));
+  h1 = h1.xor(h1.and(new bnjs(f)).shrn(16));
+  return h1.and(new bnjs(f)).toNumber();
+};
+
+/*
+ * Public methods
+ *  -- toAddress ( ship name )
+ *  --   => address number
+ *  -- to{Galaxy,Star,Planet}Ship ( address number )
+ *  --   => ship name
+ *  ####################### NOT YET IMPLEMENTED ##########################
+ *  -- clan ( ship name or address number (int or bn) )
+ *  --   => "galaxy", "star", "planet", "moon" or "comet"
+ *  -- sein ( ship name or address number (int or bn) )
+ *  --   => parent name or address number
+ *
+ */
+
+var toAddress = function(name, unscramble) {
+  if (!unscramble) {
+    unscramble = true;
+  }
+  // our method of planet discovery needs hep
+  name = name.replace(/~/g, '');
+  if (name.length == 3) {
+    return getsuffixindex(name);
+  } else if (name.length == 6) {
+    var addr = getprefixindex(name.slice(0, 3));
+    addr = addr * 256;
+    addr = addr + getsuffixindex(name.slice(3, name.length));
+    return addr;
+  } else if (name.length == 13) {
+    var addr = toAddress(name.slice(0, 6));
+    addr = addr * 65536;
+    addr = addr + toAddress(name.slice(7, addr.length));
+    if (unscramble) {
+      addr = fend(addr);
+    }
+    return addr;
+  } else {
+    return;
+  }
+};
+
+var isAddress = function(name) {
+  return typeof toAddress(name) != 'undefined';
+};
+
+
+//var toAddress = function(name) {
+//    var nome = name.replace(/~|-/g, '');
+//    var lent = nome.length;
+//
+//    if (lent % 3 != 0) {
+//      return;
+//    }
+//
+//    var syls = lent / 3;
+//    if (syls > 1 && syls % 2 != 0) {
+//      return;
+//    }
+//
+//    if (syls == 1) {
+//      return bn(wordtonum(nome))
+//    } else if (syls >= 4 && syls <= 8) {
+//      var padr = wordtonum(nome.slice(lent - 12, lent - 6));
+//      padr = padr * 256
+//      padr = padr + wordtonum(nome.slice(lent - 6, lent));
+//      padr = fend(padr);
+//
+//      if (syls == 4) {
+//        return padr;
+//      };
+//
+//      var addr = 0;
+//      for (var i = 0; i <= syls - 6; i += 2) {
+//        addr = addr + wordtonum(nome.slice(i * 3, i * 3 + 6));
+//        addr = addr * 0x10000;
+//      };
+//      return (addr * 0x10000) + padr;
+//    } else {
+//      var addr = 0;
+//
+//      for (var i = 0; i <= syls - 2; i +=2) {
+//        addr = addr * 0x10000;
+//        addr = addr + wordtonum(nome.slice(i * 3, i * 3 + 6));
+//      };
+//      return addr;
+//    }
+//
+//}
+
+var toGalaxyName = function(galaxy) {
+  return toShipName(galaxy, 1);
+};
+
+var toStarName = function(star) {
+  return toShipName(star, 2);
+};
+
+// better ES6 better way to do this
+var toPlanetName = function(scrambled, scramble) {
+  if (!scramble) {
+    scramble = true;
+  }
+  return toShipName(scrambled, 4, scramble);
+};
+
+var toShipName = function(addr, minBytes, scramble) {
+  if (!scramble) {
+    scramble = true;
+  }
+
+  if (!minBytes) {
+    if (addr < 0x100) {
+      minBytes = 1;
+    } else if (addr < 0x10000) {
+      minBytes = 2;
+    } else {
+      minBytes = 4;
+    }
+  }
+
+  if (minBytes == 4 && scramble) {
+    addr = feen(addr);
+  }
+
+  var name = "";
+  for (var i = 0; i < minBytes; i ++) {
+    var byt = Math.floor(addr % 256);
+    var syllable = "";
+    if (i % 2 == 1) {
+      syllable = getprefix(byt);
+    } else {
+      syllable = getsuffix(byt);
+    }
+    if (i == 2) {
+      name = "-" + name;
+    }
+    name = syllable + name;
+    addr = addr / 256;
+  }
+  return name;
+};
+
+var urbitOb = {
+  toAddress: toAddress,
+  toGalaxyName: toGalaxyName,
+  toStarName: toStarName,
+  toPlanetName: toPlanetName,
+  isShip: isAddress,
+  _wordtonum: wordtonum,
+  _getsuffix: getsuffix,
+  _muk: muk,
+  _feen: feen,
+  _fend: fend,
+  _teil: teil
+};
+
+var CollectionCreatePage =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(CollectionCreatePage, _Component);
+
+  function CollectionCreatePage(props) {
+    var _this;
+
+    _classCallCheck(this, CollectionCreatePage);
+
+    _this = _possibleConstructorReturn(this, (CollectionCreatePage.__proto__ || Object.getPrototypeOf(CollectionCreatePage)).call(this, props));
+    _this.createCollection = _this.createCollection.bind(_this);
+    _this.toggleClasses = _this.toggleClasses.bind(_this);
+    _this.valueChange = _this.valueChange.bind(_this);
+    _this.canSubmit = _this.canSubmit.bind(_this); // Keep our state legible
+
+    _this.state = {
+      collectionName: '',
+      visibility: false,
+      comments: true,
+      foreignPost: true,
+      onProfile: true,
+      collectionShips: '',
+      // start with true so that we don't have a red default
+      sesValidated: true
+    };
+    return _this;
+  }
+
+  _createClass(CollectionCreatePage, [{
+    key: "createCollection",
+    value: function createCollection() {
+      this.props.api.coll({
+        create: {
+          desc: this.state.collectionName,
+          publ: this.state.visibility,
+          visi: this.state.onProfile,
+          comm: this.state.comments,
+          xeno: this.state.foreignPost,
+          // ses needs to be an ace separated list of non-sig ships
+          // *GOOD* 'zod polryt-tarnyr binzod'
+          // *BAD* '~zod ~polryt-tarnyr ~binzod'
+          ses: this.state.collectionShips.replace(/~|,/g, '')
+        }
+      });
+      this.props.pushPending("circles", {
+        type: "subscribe-inbox"
+      });
+      this.props.pushPending("circle.config.dif.full", {
+        type: "transition",
+        data: {
+          target: '/~~/collections/latest'
+        }
+      });
+    } // make sure that the white/blacklist is composed of ships
+
+  }, {
+    key: "valSes",
+    value: function valSes(ses) {
+      var sesArray = ses.replace(/,/g, '').split(' ');
+      var offenders = sesArray.filter(function (s) {
+        return !urbitOb.isShip(s);
+      }); // might want to return offending ships?
+
+      return offenders.length == 0;
+    }
+  }, {
+    key: "canSubmit",
+    value: function canSubmit() {
+      this.state.collectionName.length > 0;
+    }
+  }, {
+    key: "valueChange",
+    value: function valueChange(event) {
+      var target = event.target;
+      var name = target.name;
+      var value = typeof this.state[name] == 'boolean' ? target.value == 'true' : target.value;
+
+      if (name == 'collectionShips') {
+        this.state.sesValidated = this.valSes(value);
+      }
+
+      this.setState(_defineProperty({}, name, value));
+    }
+  }, {
+    key: "toggleClasses",
+    value: function toggleClasses(key, valence) {
+      return this.state[key] ? valence ? "btn btn-secondary" : "btn btn-warning" : "btn";
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      return react.createElement("div", {
+        className: "create-collection-page container"
+      }, react.createElement("div", {
+        className: "input-group"
+      }, react.createElement("label", {
+        htmlFor: "collectionName"
+      }, "Name"), react.createElement("input", {
+        type: "text",
+        name: "collectionName",
+        placeholder: "deep-thoughts",
+        onChange: this.valueChange,
+        value: this.state.collectionName
+      })), react.createElement("div", {
+        className: "row"
+      }, react.createElement("div", {
+        className: "input-group col-md-3"
+      }, react.createElement("label", {
+        htmlFor: "visibility"
+      }, "Public"), react.createElement("button", {
+        name: "visibility",
+        value: "true",
+        className: this.state.visibility ? "btn btn-secondary" : "btn",
+        onClick: this.valueChange
+      }, "Yes"), react.createElement("button", {
+        name: "visibility",
+        value: "false",
+        className: this.state.visibility ? "btn" : "btn-warning",
+        onClick: this.valueChange
+      }, "No")), react.createElement("div", {
+        className: "input-group col-md-3"
+      }, react.createElement("label", {
+        htmlFor: "comments"
+      }, "Comments"), react.createElement("button", {
+        name: "comments",
+        value: "true",
+        className: this.state.comments ? "btn btn-secondary" : "btn",
+        onClick: this.valueChange
+      }, "Yes"), react.createElement("button", {
+        name: "comments",
+        value: "false",
+        className: this.state.comments ? "btn" : "btn-warning",
+        onClick: this.valueChange
+      }, "No")), react.createElement("div", {
+        className: "input-group col-md-3"
+      }, react.createElement("label", {
+        htmlFor: "foreignPost"
+      }, "Others can post"), react.createElement("button", {
+        name: "foreignPost",
+        value: "true",
+        className: this.state.foreignPost ? "btn btn-secondary" : "btn",
+        onClick: this.valueChange
+      }, "Yes"), react.createElement("button", {
+        name: "foreignPost",
+        value: "false",
+        className: this.state.foreignPost ? "btn" : "btn-warning",
+        onClick: this.valueChange
+      }, "No"))), react.createElement("div", {
+        className: "row"
+      }, react.createElement("div", {
+        className: "input-group col-md-3"
+      }, react.createElement("label", {
+        htmlFor: "onProfile"
+      }, "On profile"), react.createElement("button", {
+        name: "onProfile",
+        value: "true",
+        className: this.state.onProfile ? "btn btn-secondary" : "btn",
+        onClick: this.valueChange
+      }, "Yes"), react.createElement("button", {
+        name: "onProfile",
+        value: "false",
+        className: this.state.onProfile ? "btn" : "btn-warning",
+        onClick: this.valueChange
+      }, "No"))), react.createElement("div", {
+        className: this.state.sesValidated ? "input-group" : "input-group error"
+      }, react.createElement("label", {
+        htmlFor: "collection-ships"
+      }, this.state.visibility ? 'Blacklist' : 'Whitelist'), react.createElement("textarea", {
+        name: "collectionShips",
+        placeholder: "poldec-tonteg sorreg-namtyv",
+        value: this.state.collectionShips,
+        onChange: this.valueChange
+      })), react.createElement("button", {
+        type: "submit",
+        className: this.state.collectionName.length > 0 ? "btn btn-primary" : "btn disabled",
+        onClick: this.canSubmit ? this.createCollection : null
+      }, " Create \u2192"));
+    }
+  }]);
+
+  return CollectionCreatePage;
+}(react_1);
+
+var TopicCreatePage =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(TopicCreatePage, _Component);
+
+  function TopicCreatePage(props) {
+    var _this;
+
+    _classCallCheck(this, TopicCreatePage);
+
+    _this = _possibleConstructorReturn(this, (TopicCreatePage.__proto__ || Object.getPrototypeOf(TopicCreatePage)).call(this, props));
+    _this.createTopic = _this.createTopic.bind(_this);
+    _this.valueChange = _this.valueChange.bind(_this);
+    _this.state = {
+      topicContent: _this.props.text ? _this.props.text : ''
+    };
+    return _this;
+  }
+
+  _createClass(TopicCreatePage, [{
+    key: "titleExtract",
+    value: function titleExtract(s) {
+      var r = s.split('\n').filter(function (x) {
+        return x.startsWith('# ');
+      });
+
+      if (r.length > 0) {
+        return r[0].slice(2);
+      }
+
+      return '';
+    }
+  }, {
+    key: "createTopic",
+    value: function createTopic() {
+      var dat = {}; //
+
+      if ('top' in this.props) {
+        dat = {
+          resubmit: {
+            col: this.props.coll,
+            top: this.props.top,
+            tit: this.titleExtract(this.state.topicContent),
+            wat: this.state.topicContent
+          }
+        };
+      } else {
+        // this means that we're using "latest" 
+        if ('coll' in this.props) {
+          dat = {
+            submit: {
+              col: this.props.coll,
+              tit: this.titleExtract(this.state.topicContent),
+              wat: this.state.topicContent
+            }
+          };
+        } else {
+          dat = {
+            submit: {
+              col: this.props.queryParams.coll,
+              tit: this.titleExtract(this.state.topicContent),
+              wat: this.state.topicContent
+            }
+          };
+        }
+      }
+
+      
+      console.log('dat...', dat);
+      var target;
+
+      if ('coll' in this.props && 'top' in this.props) {
+        // this means that it is an edit
+        target = "/~~/collections/".concat(this.props.coll, "/").concat(this.props.top);
+      } else if ('coll' in this.props) {
+        // this means that it is from a "latest" page
+        target = "/~~/collections/".concat(this.props.coll, "/latest");
+      } else {
+        // normal-ass page
+        target = "/~~/collections/".concat(this.props.queryParams.coll, "/latest");
+      }
+
+      
+      console.log('transition to...', target);
+      this.props.api.coll(dat);
+      this.props.pushPending("circles", {
+        type: "subscribe-inbox"
+      });
+      this.props.pushPending("circle.config.dif.full", {
+        type: "transition",
+        data: {
+          target: target
+        }
+      });
+    }
+  }, {
+    key: "valueChange",
+    value: function valueChange(event) {
+      var target = event.target;
+      var name = target.name;
+      var value = target.value;
+      this.setState(_defineProperty({}, name, value));
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      return react.createElement("div", {
+        className: "create-collection-page"
+      }, react.createElement("div", {
+        className: "input-group"
+      }, react.createElement("button", {
+        onClick: this.createTopic,
+        className: "btn btn-secondary"
+      }, "Save \u2192"), react.createElement("button", {
+        className: "btn btn-primary"
+      }, "Preview \u2192")), react.createElement("div", {
+        className: "row"
+      }, react.createElement("textarea", {
+        className: "text-code post-edit",
+        name: "topicContent",
+        placeholder: "New post",
+        value: this.state.topicContent,
+        onChange: this.valueChange
+      })));
+    }
+  }]);
+
+  return TopicCreatePage;
+}(react_1);
+
+var CommentCreate =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(CommentCreate, _Component);
+
+  function CommentCreate(props) {
+    var _this;
+
+    _classCallCheck(this, CommentCreate);
+
+    _this = _possibleConstructorReturn(this, (CommentCreate.__proto__ || Object.getPrototypeOf(CommentCreate)).call(this, props));
+    console.log('props', props);
+    _this.createComment = _this.createComment.bind(_this);
+    _this.valueChange = _this.valueChange.bind(_this);
+    _this.state = {
+      comment: ''
+    };
+    return _this;
+  }
+
+  _createClass(CommentCreate, [{
+    key: "createComment",
+    value: function createComment() {
+      this.props.api.coll({
+        comment: {
+          col: this.props.coll,
+          top: this.props.top,
+          com: '~',
+          wat: this.state.comment
+        }
+      });
+      this.props.pushPending("circle.gram", {
+        type: "transition",
+        data: {
+          target: "/~~/collections/".concat(this.props.coll, "/").concat(this.props.top)
+        }
+      });
+    }
+  }, {
+    key: "valueChange",
+    value: function valueChange(event) {
+      var target = event.target;
+      var name = target.name;
+      var value = target.value;
+      this.setState(_defineProperty({}, name, value));
+    } //
+
+  }, {
+    key: "render",
+    value: function render() {
+      return react.createElement("div", {
+        className: "create-comment"
+      }, react.createElement("div", {
+        className: "usership text-mono"
+      }, "~", this.props.api.authTokens.ship), react.createElement("textarea", {
+        value: this.state.comment,
+        onChange: this.valueChange,
+        name: "comment",
+        className: "comment-edit mb-3",
+        placeholder: "Post a comment"
+      }), react.createElement("button", {
+        onClick: this.createComment,
+        className: this.state.comment.length > 0 ? "btn btn-tetiary" : "btn disabled"
+      }, "Publish \u2192"));
+    }
+  }]);
+
+  return CommentCreate;
+}(react_1);
+
+var Subscribe =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(Subscribe, _Component);
+
+  function Subscribe(props) {
+    var _this;
+
+    _classCallCheck(this, Subscribe);
+
+    _this = _possibleConstructorReturn(this, (Subscribe.__proto__ || Object.getPrototypeOf(Subscribe)).call(this, props));
+    console.log('un/subscribe from ...', _this.props.circle);
+    console.log('all props...', props);
+    _this.subscribe = _this.subscribe.bind(_this);
+    return _this;
+  }
+
+  _createClass(Subscribe, [{
+    key: "subscribe",
+    value: function subscribe() {
+      this.props.api.hall({
+        source: {
+          sub: !this.checkSubscribed(),
+          //what is this name?
+          nom: 'inbox',
+          srs: [this.props.circle]
+        }
+      });
+    }
+  }, {
+    key: "checkSubscribed",
+    value: function checkSubscribed() {
+      var inbox = this.props.store.configs["~".concat(this.props.store.usership, "/inbox")];
+
+      if (!inbox) {
+        return false;
+      } else if (inbox.src.indexOf(this.props.circle) == -1) {
+        return false;
+      } else {
+        return true;
+      }
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      var inbox = this.props.store.configs["~".concat(this.props.store.usership, "/inbox")];
+      return react.createElement("div", {
+        className: "subscribe"
+      }, react.createElement("button", {
+        className: this.checkSubscribed() ? "btn btn-tetiary mb-4" : "btn btn-primary mb-4",
+        onClick: this.subscribe
+      }, this.checkSubscribed() ? "Unsubscribe ×" : "Subscribe →"));
+    }
+  }]);
+
+  return Subscribe;
+}(react_1);
+
+var secToString = function secToString(secs) {
+  if (secs <= 0) {
+    return 'Completed';
+  }
+
+  secs = Math.floor(secs);
+  var min = 60;
+  var hour = 60 * min;
+  var day = 24 * hour;
+  var week = 7 * day;
+  var year = 52 * week;
+
+  var fy = function fy(s) {
+    if (s < year) {
+      return ['', s];
+    } else {
+      return [Math.floor(s / year) + 'y', s % year];
+    }
+  };
+
+  var fw = function fw(tup) {
+    var str = tup[0];
+    var sec = tup[1];
+
+    if (sec < week) {
+      return [str, sec];
+    } else {
+      return [str + ' ' + Math.floor(sec / week) + 'w', sec % week];
+    }
+  };
+
+  var fd = function fd(tup) {
+    var str = tup[0];
+    var sec = tup[1];
+
+    if (sec < day) {
+      return [str, sec];
+    } else {
+      return [str + ' ' + Math.floor(sec / day) + 'd', sec % day];
+    }
+  };
+
+  var fh = function fh(tup) {
+    var str = tup[0];
+    var sec = tup[1];
+
+    if (sec < hour) {
+      return [str, sec];
+    } else {
+      return [str + ' ' + Math.floor(sec / hour) + 'h', sec % hour];
+    }
+  };
+
+  var fm = function fm(tup) {
+    var str = tup[0];
+    var sec = tup[1];
+
+    if (sec < min) {
+      return [str, sec];
+    } else {
+      return [str + ' ' + Math.floor(sec / min) + 'm', sec % min];
+    }
+  };
+
+  var fs = function fs(tup) {
+    var str = tup[0];
+    var sec = tup[1];
+    return str + ' ' + sec + 's';
+  };
+
+  return fs(fm(fh(fd(fw(fy(secs)))))).trim();
+};
+
+var Elapsed =
+/*#__PURE__*/
+function (_Component) {
+  _inherits(Elapsed, _Component);
+
+  function Elapsed(props) {
+    var _this;
+
+    _classCallCheck(this, Elapsed);
+
+    _this = _possibleConstructorReturn(this, (Elapsed.__proto__ || Object.getPrototypeOf(Elapsed)).call(this, props));
+    console.log('elapsed props...', props);
+    return _this;
+  }
+
+  _createClass(Elapsed, [{
+    key: "renderTime",
+    value: function renderTime() {
+      var serverTime = new Date(this.props.timestring);
+      var clientTime = new Date(); // local
+
+      return secToString((clientTime - serverTime) / 1000).split(' ')[0];
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      return react.createElement("div", null, "-", this.renderTime());
+    }
+  }]);
+
+  return Elapsed;
+}(react_1);
+
+var ComponentMap = {
+  "StreamPage": {
+    comp: StreamPage,
+    head: StreamPageHeader
+  },
+  "StreamCreatePage": {
+    comp: StreamCreatePage
+  },
+  "CollectionCreatePage": {
+    comp: CollectionCreatePage
+  },
+  "TopicCreatePage": {
+    comp: TopicCreatePage
+  },
+  "StreamEditPage": {
+    comp: StreamEditPage
+  },
+  "CommentCreate": {
+    comp: CommentCreate
+  },
+  "InboxPage": {
+    comp: InboxPage
+  },
+  "ListPage": {
+    comp: ListPage
+  },
+  "MenuPage": {
+    comp: MenuPage
+  },
+  "Subscribe": {
+    comp: Subscribe
+  },
+  "Elapsed": {
+    comp: Elapsed
+  }
+};
+
+var MessagesReducer =
+/*#__PURE__*/
+function () {
+  function MessagesReducer() {
+    _classCallCheck(this, MessagesReducer);
+  }
+
+  _createClass(MessagesReducer, [{
+    key: "reduce",
+    value: function reduce(reports, storeMessages) {
+      var _this = this;
+
+      reports.forEach(function (rep) {
+        switch (rep.type) {
+          case "circle.nes":
+            _this.storeMessages(rep.data, storeMessages);
+
+            break;
+
+          case "circle.gram":
+            _this.storeMessages([rep.data], storeMessages);
+
+            break;
+
+          case "circle.config.dif.remove":
+            delete storeMessages[rep.data.cir];
+            break;
+        }
+      });
+    }
+  }, {
+    key: "storeMessages",
+    value: function storeMessages(messages, _storeMessages) {
+      messages.forEach(function (message) {
+        var msg = message.gam;
+        msg.aud.forEach(function (aud) {
+          var station = _storeMessages[aud];
+
+          if (!station) {
+            _storeMessages[aud] = {
+              name: aud,
+              messages: [msg]
+            };
+          } else if (station.messages.findIndex(function (o) {
+            return o.uid === msg.uid;
+          }) === -1) {
+            var newest = true;
+
+            for (var i = 0; i < station.messages.length; i++) {
+              if (msg.wen < station.messages[i].wen) {
+                _storeMessages[aud].messages.splice(i, 0, msg);
+
+                newest = false;
+                break;
+              }
+            }
+
+            if (newest) _storeMessages[aud].messages.push(msg); // Print messages by date, for debugging:
+            // for (let msg of station.messages) {
+            //   console.log(`msg ${msg.uid}: ${msg.wen}`);
+            // }
+          }
+        });
+      });
+    }
+  }]);
+
+  return MessagesReducer;
+}();
+
+var ConfigsReducer =
+/*#__PURE__*/
+function () {
+  function ConfigsReducer() {
+    _classCallCheck(this, ConfigsReducer);
+  }
+
+  _createClass(ConfigsReducer, [{
+    key: "reduce",
+    value: function reduce(reports, storeConfigs) {
+      var _this2 = this;
+
+      reports.forEach(function (rep) {
+        var stationName;
+        var stations = {};
+
+        switch (rep.type) {
+          case "circle.cos.loc":
+            stationName = "~".concat(rep.from.ship, "/").concat(rep.from.path.split("/")[2]);
+            stations[stationName] = rep.data;
+
+            _this2.storeConfigs(stations, storeConfigs);
+
+            break;
+
+          case "circle.cos.rem":
+            _this2.storeConfigs(rep.data, storeConfigs);
+
+            break;
+
+          case "circle.pes.loc":
+            stationName = "~".concat(rep.from.ship, "/").concat(rep.from.path.split("/")[2]);
+
+            _this2.updateConfig({
+              pes: rep.data
+            }, storeConfigs[stationName]);
+
+            break;
+
+          case "circle.config.dif.source":
+            stationName = "~".concat(rep.from.ship, "/").concat(rep.from.path.split("/")[2]);
+
+            _this2.updateConfig(rep.data, storeConfigs[stationName]);
+
+            break;
+
+          case "circle.config.dif.full":
+            stationName = rep.data.src[0]; // TODO:  API weirdness; we have to get name of new station from new station config's src property. Should maybe return a dict.
+
+            stations[stationName] = rep.data;
+
+            _this2.storeConfigs(stations, storeConfigs);
+
+            break;
+
+          case "circle.config.dif.permit":
+            // TODO:  This is very wonky, should be fixed with API discussion
+            stationName = rep.data.cir;
+
+            _this2.updateConfig(rep.data.dif.permit, storeConfigs[stationName]);
+
+            break;
+
+          case "circle.config.dif.remove":
+            delete storeConfigs[rep.data.cir];
+            break;
+        }
+      });
+    }
+  }, {
+    key: "storeConfigs",
+    value: function storeConfigs(configs, _storeConfigs) {
+      Object.keys(configs).forEach(function (cos) {
+        _storeConfigs[cos] = _storeConfigs[cos] || {};
+        Object.assign(_storeConfigs[cos], configs[cos]);
+      });
+    }
+  }, {
+    key: "updateConfig",
+    value: function updateConfig(data, station) {
+      if (data.src) {
+        if (data.add) {
+          station.src.push(data.src);
+        } else {
+          station.src = station.src.filter(function (val) {
+            return val !== data.src;
+          });
+        }
+      }
+
+      if (data.sis) {
+        if (data.add) {
+          station.con.sis = station.con.sis.concat(data.sis);
+        } else {
+          station.con.sis = station.con.sis.filter(function (val) {
+            return !data.sis.includes(val);
+          });
+        }
+      }
+
+      if (data.pes) {
+        station.pes = station.pes || {};
+        Object.assign(station.pes, data.pes);
+      }
+    }
+  }]);
+
+  return ConfigsReducer;
+}();
+
+var Reports = {
+  'circle.gram': {
+    execute: function execute(rep) {
+      if (this.pending) {
+        this.pending.forEach(function (item) {
+          switch (item.type) {
+            case "transition":
+              window.router.transitionTo(item.data.target);
+              break;
+          }
+        });
+      }
+
+      this.pending = [];
+    }
+  },
+  // messages
+  'circle.nes': {},
+  // messages
+  'circle.pes.loc': {},
+  'circle.pes.rem': {},
+  'circle.cos.loc': {},
+  // configs
+  'circle.cos.rem': {},
+  // configs
+  'circle.config.dif.full': {
+    execute: function execute(rep) {
+      if (this.pending) {
+        this.pending.forEach(function (item) {
+          switch (item.type) {
+            case "transition":
+              window.router.transitionTo(item.data.target);
+              break;
+
+            case "permit":
+              api.permit(item.data.nom, item.data.aud, item.data.message);
+              break;
+
+            case "fill-dms":
+              api.bind("/circle/inbox/".concat(item.data.nom, "/grams"), 'PUT');
+              break;
+          }
+        });
+      }
+
+      this.pending = [];
+    }
+  },
+  'circle.config.dif.source': {
+    execute: function execute(rep) {
+      if (this.pending) {
+        this.pending.forEach(function (item) {
+          switch (item.type) {
+            case "transition":
+              window.router.transitionTo(item.data.target);
+              break;
+          }
+        });
+      }
+
+      this.pending = [];
+    }
+  },
+  'circle.config.dif.permit': {
+    include: "circle.config"
+  },
+  'circle.config.dif.remove': {
+    include: "circle.config"
+  },
+  'circles': {
+    execute: function execute(rep) {
+      if (this.pending) {
+        this.pending.forEach(function (item) {
+          switch (item.type) {
+            case "subscribe-inbox":
+              var cir = item.data && item.data.cir ? item.data.cir : "~".concat(api.authTokens.ship, "/").concat(rep.data.cir);
+              api.hall({
+                source: {
+                  nom: "inbox",
+                  sub: true,
+                  srs: [cir]
+                }
+              });
+              break;
+          }
+        });
+        this.pending = [];
+      }
+    }
+  }
+};
+
 var UrbitWarehouse =
 /*#__PURE__*/
 function () {
@@ -57850,53 +62327,1196 @@ function () {
 
     this.store = {
       messages: {},
-      configs: {},
-      ownedStations: [],
-      pendingInvites: [],
-      usership: ""
+      configs: {}
     };
-    this.reducer = new UrbitReducer();
     this.updateFunc = updateFunc;
-    this.pendingTransition = null;
+    this.messagesReducer = new MessagesReducer();
+    this.configsReducer = new ConfigsReducer();
   }
 
   _createClass(UrbitWarehouse, [{
-    key: "setPendingTransition",
-    value: function setPendingTransition(transition) {
-      this.pendingTransition = transition;
+    key: "storeReports",
+    value: function storeReports(reports) {
+      this.messagesReducer.reduce(reports, this.store.messages);
+      this.configsReducer.reduce(reports, this.store.configs);
+      console.log('full store = ', this.store);
+      this.processPending(reports);
+      this.updateFunc();
     }
   }, {
-    key: "storeData",
-    value: function storeData(data) {
-      if (data.messages) {
-        this.store.messages = this.reducer.messages(data.messages, this.store.messages);
-      }
+    key: "processPending",
+    value: function processPending(reports) {
+      reports.forEach(function (rep) {
+        var type = Reports[rep.type];
 
-      if (data.configs) {
-        this.store.configs = this.reducer.configs(data.configs, this.store.configs);
-      }
-
-      if (data.usership) {
-        this.store.usership = data.usership;
-      }
-
-      if (data.ownedStations) {
-        this.store.ownedStations = data.ownedStations;
-      }
-
-      if (data.pendingInvites) {
-        this.store.pendingInvites = this.store.pendingInvites.concat(data.pendingInvites);
-      }
-
-      console.log('new store obj =', data);
-      console.log('full store = ', this.store);
-      this.updateFunc();
+        if (type && type.execute) {
+          type.execute(rep);
+        }
+      });
+    }
+  }, {
+    key: "pushPending",
+    value: function pushPending(key, data) {
+      Reports[key].pending = (Reports[key].pending || []).concat(data);
     }
   }]);
 
   return UrbitWarehouse;
 }();
 
+var mousetrap = createCommonjsModule(function (module) {
+/*global define:false */
+/**
+ * Copyright 2012-2017 Craig Campbell
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Mousetrap is a simple keyboard shortcut library for Javascript with
+ * no external dependencies
+ *
+ * @version 1.6.1
+ * @url craig.is/killing/mice
+ */
+(function(window, document, undefined) {
+
+    // Check if mousetrap is used inside browser, if not, return
+    if (!window) {
+        return;
+    }
+
+    /**
+     * mapping of special keycodes to their corresponding keys
+     *
+     * everything in this dictionary cannot use keypress events
+     * so it has to be here to map to the correct keycodes for
+     * keyup/keydown events
+     *
+     * @type {Object}
+     */
+    var _MAP = {
+        8: 'backspace',
+        9: 'tab',
+        13: 'enter',
+        16: 'shift',
+        17: 'ctrl',
+        18: 'alt',
+        20: 'capslock',
+        27: 'esc',
+        32: 'space',
+        33: 'pageup',
+        34: 'pagedown',
+        35: 'end',
+        36: 'home',
+        37: 'left',
+        38: 'up',
+        39: 'right',
+        40: 'down',
+        45: 'ins',
+        46: 'del',
+        91: 'meta',
+        93: 'meta',
+        224: 'meta'
+    };
+
+    /**
+     * mapping for special characters so they can support
+     *
+     * this dictionary is only used incase you want to bind a
+     * keyup or keydown event to one of these keys
+     *
+     * @type {Object}
+     */
+    var _KEYCODE_MAP = {
+        106: '*',
+        107: '+',
+        109: '-',
+        110: '.',
+        111 : '/',
+        186: ';',
+        187: '=',
+        188: ',',
+        189: '-',
+        190: '.',
+        191: '/',
+        192: '`',
+        219: '[',
+        220: '\\',
+        221: ']',
+        222: '\''
+    };
+
+    /**
+     * this is a mapping of keys that require shift on a US keypad
+     * back to the non shift equivelents
+     *
+     * this is so you can use keyup events with these keys
+     *
+     * note that this will only work reliably on US keyboards
+     *
+     * @type {Object}
+     */
+    var _SHIFT_MAP = {
+        '~': '`',
+        '!': '1',
+        '@': '2',
+        '#': '3',
+        '$': '4',
+        '%': '5',
+        '^': '6',
+        '&': '7',
+        '*': '8',
+        '(': '9',
+        ')': '0',
+        '_': '-',
+        '+': '=',
+        ':': ';',
+        '\"': '\'',
+        '<': ',',
+        '>': '.',
+        '?': '/',
+        '|': '\\'
+    };
+
+    /**
+     * this is a list of special strings you can use to map
+     * to modifier keys when you specify your keyboard shortcuts
+     *
+     * @type {Object}
+     */
+    var _SPECIAL_ALIASES = {
+        'option': 'alt',
+        'command': 'meta',
+        'return': 'enter',
+        'escape': 'esc',
+        'plus': '+',
+        'mod': /Mac|iPod|iPhone|iPad/.test(navigator.platform) ? 'meta' : 'ctrl'
+    };
+
+    /**
+     * variable to store the flipped version of _MAP from above
+     * needed to check if we should use keypress or not when no action
+     * is specified
+     *
+     * @type {Object|undefined}
+     */
+    var _REVERSE_MAP;
+
+    /**
+     * loop through the f keys, f1 to f19 and add them to the map
+     * programatically
+     */
+    for (var i = 1; i < 20; ++i) {
+        _MAP[111 + i] = 'f' + i;
+    }
+
+    /**
+     * loop through to map numbers on the numeric keypad
+     */
+    for (i = 0; i <= 9; ++i) {
+
+        // This needs to use a string cause otherwise since 0 is falsey
+        // mousetrap will never fire for numpad 0 pressed as part of a keydown
+        // event.
+        //
+        // @see https://github.com/ccampbell/mousetrap/pull/258
+        _MAP[i + 96] = i.toString();
+    }
+
+    /**
+     * cross browser add event method
+     *
+     * @param {Element|HTMLDocument} object
+     * @param {string} type
+     * @param {Function} callback
+     * @returns void
+     */
+    function _addEvent(object, type, callback) {
+        if (object.addEventListener) {
+            object.addEventListener(type, callback, false);
+            return;
+        }
+
+        object.attachEvent('on' + type, callback);
+    }
+
+    /**
+     * takes the event and returns the key character
+     *
+     * @param {Event} e
+     * @return {string}
+     */
+    function _characterFromEvent(e) {
+
+        // for keypress events we should return the character as is
+        if (e.type == 'keypress') {
+            var character = String.fromCharCode(e.which);
+
+            // if the shift key is not pressed then it is safe to assume
+            // that we want the character to be lowercase.  this means if
+            // you accidentally have caps lock on then your key bindings
+            // will continue to work
+            //
+            // the only side effect that might not be desired is if you
+            // bind something like 'A' cause you want to trigger an
+            // event when capital A is pressed caps lock will no longer
+            // trigger the event.  shift+a will though.
+            if (!e.shiftKey) {
+                character = character.toLowerCase();
+            }
+
+            return character;
+        }
+
+        // for non keypress events the special maps are needed
+        if (_MAP[e.which]) {
+            return _MAP[e.which];
+        }
+
+        if (_KEYCODE_MAP[e.which]) {
+            return _KEYCODE_MAP[e.which];
+        }
+
+        // if it is not in the special map
+
+        // with keydown and keyup events the character seems to always
+        // come in as an uppercase character whether you are pressing shift
+        // or not.  we should make sure it is always lowercase for comparisons
+        return String.fromCharCode(e.which).toLowerCase();
+    }
+
+    /**
+     * checks if two arrays are equal
+     *
+     * @param {Array} modifiers1
+     * @param {Array} modifiers2
+     * @returns {boolean}
+     */
+    function _modifiersMatch(modifiers1, modifiers2) {
+        return modifiers1.sort().join(',') === modifiers2.sort().join(',');
+    }
+
+    /**
+     * takes a key event and figures out what the modifiers are
+     *
+     * @param {Event} e
+     * @returns {Array}
+     */
+    function _eventModifiers(e) {
+        var modifiers = [];
+
+        if (e.shiftKey) {
+            modifiers.push('shift');
+        }
+
+        if (e.altKey) {
+            modifiers.push('alt');
+        }
+
+        if (e.ctrlKey) {
+            modifiers.push('ctrl');
+        }
+
+        if (e.metaKey) {
+            modifiers.push('meta');
+        }
+
+        return modifiers;
+    }
+
+    /**
+     * prevents default for this event
+     *
+     * @param {Event} e
+     * @returns void
+     */
+    function _preventDefault(e) {
+        if (e.preventDefault) {
+            e.preventDefault();
+            return;
+        }
+
+        e.returnValue = false;
+    }
+
+    /**
+     * stops propogation for this event
+     *
+     * @param {Event} e
+     * @returns void
+     */
+    function _stopPropagation(e) {
+        if (e.stopPropagation) {
+            e.stopPropagation();
+            return;
+        }
+
+        e.cancelBubble = true;
+    }
+
+    /**
+     * determines if the keycode specified is a modifier key or not
+     *
+     * @param {string} key
+     * @returns {boolean}
+     */
+    function _isModifier(key) {
+        return key == 'shift' || key == 'ctrl' || key == 'alt' || key == 'meta';
+    }
+
+    /**
+     * reverses the map lookup so that we can look for specific keys
+     * to see what can and can't use keypress
+     *
+     * @return {Object}
+     */
+    function _getReverseMap() {
+        if (!_REVERSE_MAP) {
+            _REVERSE_MAP = {};
+            for (var key in _MAP) {
+
+                // pull out the numeric keypad from here cause keypress should
+                // be able to detect the keys from the character
+                if (key > 95 && key < 112) {
+                    continue;
+                }
+
+                if (_MAP.hasOwnProperty(key)) {
+                    _REVERSE_MAP[_MAP[key]] = key;
+                }
+            }
+        }
+        return _REVERSE_MAP;
+    }
+
+    /**
+     * picks the best action based on the key combination
+     *
+     * @param {string} key - character for key
+     * @param {Array} modifiers
+     * @param {string=} action passed in
+     */
+    function _pickBestAction(key, modifiers, action) {
+
+        // if no action was picked in we should try to pick the one
+        // that we think would work best for this key
+        if (!action) {
+            action = _getReverseMap()[key] ? 'keydown' : 'keypress';
+        }
+
+        // modifier keys don't work as expected with keypress,
+        // switch to keydown
+        if (action == 'keypress' && modifiers.length) {
+            action = 'keydown';
+        }
+
+        return action;
+    }
+
+    /**
+     * Converts from a string key combination to an array
+     *
+     * @param  {string} combination like "command+shift+l"
+     * @return {Array}
+     */
+    function _keysFromString(combination) {
+        if (combination === '+') {
+            return ['+'];
+        }
+
+        combination = combination.replace(/\+{2}/g, '+plus');
+        return combination.split('+');
+    }
+
+    /**
+     * Gets info for a specific key combination
+     *
+     * @param  {string} combination key combination ("command+s" or "a" or "*")
+     * @param  {string=} action
+     * @returns {Object}
+     */
+    function _getKeyInfo(combination, action) {
+        var keys;
+        var key;
+        var i;
+        var modifiers = [];
+
+        // take the keys from this pattern and figure out what the actual
+        // pattern is all about
+        keys = _keysFromString(combination);
+
+        for (i = 0; i < keys.length; ++i) {
+            key = keys[i];
+
+            // normalize key names
+            if (_SPECIAL_ALIASES[key]) {
+                key = _SPECIAL_ALIASES[key];
+            }
+
+            // if this is not a keypress event then we should
+            // be smart about using shift keys
+            // this will only work for US keyboards however
+            if (action && action != 'keypress' && _SHIFT_MAP[key]) {
+                key = _SHIFT_MAP[key];
+                modifiers.push('shift');
+            }
+
+            // if this key is a modifier then add it to the list of modifiers
+            if (_isModifier(key)) {
+                modifiers.push(key);
+            }
+        }
+
+        // depending on what the key combination is
+        // we will try to pick the best event for it
+        action = _pickBestAction(key, modifiers, action);
+
+        return {
+            key: key,
+            modifiers: modifiers,
+            action: action
+        };
+    }
+
+    function _belongsTo(element, ancestor) {
+        if (element === null || element === document) {
+            return false;
+        }
+
+        if (element === ancestor) {
+            return true;
+        }
+
+        return _belongsTo(element.parentNode, ancestor);
+    }
+
+    function Mousetrap(targetElement) {
+        var self = this;
+
+        targetElement = targetElement || document;
+
+        if (!(self instanceof Mousetrap)) {
+            return new Mousetrap(targetElement);
+        }
+
+        /**
+         * element to attach key events to
+         *
+         * @type {Element}
+         */
+        self.target = targetElement;
+
+        /**
+         * a list of all the callbacks setup via Mousetrap.bind()
+         *
+         * @type {Object}
+         */
+        self._callbacks = {};
+
+        /**
+         * direct map of string combinations to callbacks used for trigger()
+         *
+         * @type {Object}
+         */
+        self._directMap = {};
+
+        /**
+         * keeps track of what level each sequence is at since multiple
+         * sequences can start out with the same sequence
+         *
+         * @type {Object}
+         */
+        var _sequenceLevels = {};
+
+        /**
+         * variable to store the setTimeout call
+         *
+         * @type {null|number}
+         */
+        var _resetTimer;
+
+        /**
+         * temporary state where we will ignore the next keyup
+         *
+         * @type {boolean|string}
+         */
+        var _ignoreNextKeyup = false;
+
+        /**
+         * temporary state where we will ignore the next keypress
+         *
+         * @type {boolean}
+         */
+        var _ignoreNextKeypress = false;
+
+        /**
+         * are we currently inside of a sequence?
+         * type of action ("keyup" or "keydown" or "keypress") or false
+         *
+         * @type {boolean|string}
+         */
+        var _nextExpectedAction = false;
+
+        /**
+         * resets all sequence counters except for the ones passed in
+         *
+         * @param {Object} doNotReset
+         * @returns void
+         */
+        function _resetSequences(doNotReset) {
+            doNotReset = doNotReset || {};
+
+            var activeSequences = false,
+                key;
+
+            for (key in _sequenceLevels) {
+                if (doNotReset[key]) {
+                    activeSequences = true;
+                    continue;
+                }
+                _sequenceLevels[key] = 0;
+            }
+
+            if (!activeSequences) {
+                _nextExpectedAction = false;
+            }
+        }
+
+        /**
+         * finds all callbacks that match based on the keycode, modifiers,
+         * and action
+         *
+         * @param {string} character
+         * @param {Array} modifiers
+         * @param {Event|Object} e
+         * @param {string=} sequenceName - name of the sequence we are looking for
+         * @param {string=} combination
+         * @param {number=} level
+         * @returns {Array}
+         */
+        function _getMatches(character, modifiers, e, sequenceName, combination, level) {
+            var i;
+            var callback;
+            var matches = [];
+            var action = e.type;
+
+            // if there are no events related to this keycode
+            if (!self._callbacks[character]) {
+                return [];
+            }
+
+            // if a modifier key is coming up on its own we should allow it
+            if (action == 'keyup' && _isModifier(character)) {
+                modifiers = [character];
+            }
+
+            // loop through all callbacks for the key that was pressed
+            // and see if any of them match
+            for (i = 0; i < self._callbacks[character].length; ++i) {
+                callback = self._callbacks[character][i];
+
+                // if a sequence name is not specified, but this is a sequence at
+                // the wrong level then move onto the next match
+                if (!sequenceName && callback.seq && _sequenceLevels[callback.seq] != callback.level) {
+                    continue;
+                }
+
+                // if the action we are looking for doesn't match the action we got
+                // then we should keep going
+                if (action != callback.action) {
+                    continue;
+                }
+
+                // if this is a keypress event and the meta key and control key
+                // are not pressed that means that we need to only look at the
+                // character, otherwise check the modifiers as well
+                //
+                // chrome will not fire a keypress if meta or control is down
+                // safari will fire a keypress if meta or meta+shift is down
+                // firefox will fire a keypress if meta or control is down
+                if ((action == 'keypress' && !e.metaKey && !e.ctrlKey) || _modifiersMatch(modifiers, callback.modifiers)) {
+
+                    // when you bind a combination or sequence a second time it
+                    // should overwrite the first one.  if a sequenceName or
+                    // combination is specified in this call it does just that
+                    //
+                    // @todo make deleting its own method?
+                    var deleteCombo = !sequenceName && callback.combo == combination;
+                    var deleteSequence = sequenceName && callback.seq == sequenceName && callback.level == level;
+                    if (deleteCombo || deleteSequence) {
+                        self._callbacks[character].splice(i, 1);
+                    }
+
+                    matches.push(callback);
+                }
+            }
+
+            return matches;
+        }
+
+        /**
+         * actually calls the callback function
+         *
+         * if your callback function returns false this will use the jquery
+         * convention - prevent default and stop propogation on the event
+         *
+         * @param {Function} callback
+         * @param {Event} e
+         * @returns void
+         */
+        function _fireCallback(callback, e, combo, sequence) {
+
+            // if this event should not happen stop here
+            if (self.stopCallback(e, e.target || e.srcElement, combo, sequence)) {
+                return;
+            }
+
+            if (callback(e, combo) === false) {
+                _preventDefault(e);
+                _stopPropagation(e);
+            }
+        }
+
+        /**
+         * handles a character key event
+         *
+         * @param {string} character
+         * @param {Array} modifiers
+         * @param {Event} e
+         * @returns void
+         */
+        self._handleKey = function(character, modifiers, e) {
+            var callbacks = _getMatches(character, modifiers, e);
+            var i;
+            var doNotReset = {};
+            var maxLevel = 0;
+            var processedSequenceCallback = false;
+
+            // Calculate the maxLevel for sequences so we can only execute the longest callback sequence
+            for (i = 0; i < callbacks.length; ++i) {
+                if (callbacks[i].seq) {
+                    maxLevel = Math.max(maxLevel, callbacks[i].level);
+                }
+            }
+
+            // loop through matching callbacks for this key event
+            for (i = 0; i < callbacks.length; ++i) {
+
+                // fire for all sequence callbacks
+                // this is because if for example you have multiple sequences
+                // bound such as "g i" and "g t" they both need to fire the
+                // callback for matching g cause otherwise you can only ever
+                // match the first one
+                if (callbacks[i].seq) {
+
+                    // only fire callbacks for the maxLevel to prevent
+                    // subsequences from also firing
+                    //
+                    // for example 'a option b' should not cause 'option b' to fire
+                    // even though 'option b' is part of the other sequence
+                    //
+                    // any sequences that do not match here will be discarded
+                    // below by the _resetSequences call
+                    if (callbacks[i].level != maxLevel) {
+                        continue;
+                    }
+
+                    processedSequenceCallback = true;
+
+                    // keep a list of which sequences were matches for later
+                    doNotReset[callbacks[i].seq] = 1;
+                    _fireCallback(callbacks[i].callback, e, callbacks[i].combo, callbacks[i].seq);
+                    continue;
+                }
+
+                // if there were no sequence matches but we are still here
+                // that means this is a regular match so we should fire that
+                if (!processedSequenceCallback) {
+                    _fireCallback(callbacks[i].callback, e, callbacks[i].combo);
+                }
+            }
+
+            // if the key you pressed matches the type of sequence without
+            // being a modifier (ie "keyup" or "keypress") then we should
+            // reset all sequences that were not matched by this event
+            //
+            // this is so, for example, if you have the sequence "h a t" and you
+            // type "h e a r t" it does not match.  in this case the "e" will
+            // cause the sequence to reset
+            //
+            // modifier keys are ignored because you can have a sequence
+            // that contains modifiers such as "enter ctrl+space" and in most
+            // cases the modifier key will be pressed before the next key
+            //
+            // also if you have a sequence such as "ctrl+b a" then pressing the
+            // "b" key will trigger a "keypress" and a "keydown"
+            //
+            // the "keydown" is expected when there is a modifier, but the
+            // "keypress" ends up matching the _nextExpectedAction since it occurs
+            // after and that causes the sequence to reset
+            //
+            // we ignore keypresses in a sequence that directly follow a keydown
+            // for the same character
+            var ignoreThisKeypress = e.type == 'keypress' && _ignoreNextKeypress;
+            if (e.type == _nextExpectedAction && !_isModifier(character) && !ignoreThisKeypress) {
+                _resetSequences(doNotReset);
+            }
+
+            _ignoreNextKeypress = processedSequenceCallback && e.type == 'keydown';
+        };
+
+        /**
+         * handles a keydown event
+         *
+         * @param {Event} e
+         * @returns void
+         */
+        function _handleKeyEvent(e) {
+
+            // normalize e.which for key events
+            // @see http://stackoverflow.com/questions/4285627/javascript-keycode-vs-charcode-utter-confusion
+            if (typeof e.which !== 'number') {
+                e.which = e.keyCode;
+            }
+
+            var character = _characterFromEvent(e);
+
+            // no character found then stop
+            if (!character) {
+                return;
+            }
+
+            // need to use === for the character check because the character can be 0
+            if (e.type == 'keyup' && _ignoreNextKeyup === character) {
+                _ignoreNextKeyup = false;
+                return;
+            }
+
+            self.handleKey(character, _eventModifiers(e), e);
+        }
+
+        /**
+         * called to set a 1 second timeout on the specified sequence
+         *
+         * this is so after each key press in the sequence you have 1 second
+         * to press the next key before you have to start over
+         *
+         * @returns void
+         */
+        function _resetSequenceTimer() {
+            clearTimeout(_resetTimer);
+            _resetTimer = setTimeout(_resetSequences, 1000);
+        }
+
+        /**
+         * binds a key sequence to an event
+         *
+         * @param {string} combo - combo specified in bind call
+         * @param {Array} keys
+         * @param {Function} callback
+         * @param {string=} action
+         * @returns void
+         */
+        function _bindSequence(combo, keys, callback, action) {
+
+            // start off by adding a sequence level record for this combination
+            // and setting the level to 0
+            _sequenceLevels[combo] = 0;
+
+            /**
+             * callback to increase the sequence level for this sequence and reset
+             * all other sequences that were active
+             *
+             * @param {string} nextAction
+             * @returns {Function}
+             */
+            function _increaseSequence(nextAction) {
+                return function() {
+                    _nextExpectedAction = nextAction;
+                    ++_sequenceLevels[combo];
+                    _resetSequenceTimer();
+                };
+            }
+
+            /**
+             * wraps the specified callback inside of another function in order
+             * to reset all sequence counters as soon as this sequence is done
+             *
+             * @param {Event} e
+             * @returns void
+             */
+            function _callbackAndReset(e) {
+                _fireCallback(callback, e, combo);
+
+                // we should ignore the next key up if the action is key down
+                // or keypress.  this is so if you finish a sequence and
+                // release the key the final key will not trigger a keyup
+                if (action !== 'keyup') {
+                    _ignoreNextKeyup = _characterFromEvent(e);
+                }
+
+                // weird race condition if a sequence ends with the key
+                // another sequence begins with
+                setTimeout(_resetSequences, 10);
+            }
+
+            // loop through keys one at a time and bind the appropriate callback
+            // function.  for any key leading up to the final one it should
+            // increase the sequence. after the final, it should reset all sequences
+            //
+            // if an action is specified in the original bind call then that will
+            // be used throughout.  otherwise we will pass the action that the
+            // next key in the sequence should match.  this allows a sequence
+            // to mix and match keypress and keydown events depending on which
+            // ones are better suited to the key provided
+            for (var i = 0; i < keys.length; ++i) {
+                var isFinal = i + 1 === keys.length;
+                var wrappedCallback = isFinal ? _callbackAndReset : _increaseSequence(action || _getKeyInfo(keys[i + 1]).action);
+                _bindSingle(keys[i], wrappedCallback, action, combo, i);
+            }
+        }
+
+        /**
+         * binds a single keyboard combination
+         *
+         * @param {string} combination
+         * @param {Function} callback
+         * @param {string=} action
+         * @param {string=} sequenceName - name of sequence if part of sequence
+         * @param {number=} level - what part of the sequence the command is
+         * @returns void
+         */
+        function _bindSingle(combination, callback, action, sequenceName, level) {
+
+            // store a direct mapped reference for use with Mousetrap.trigger
+            self._directMap[combination + ':' + action] = callback;
+
+            // make sure multiple spaces in a row become a single space
+            combination = combination.replace(/\s+/g, ' ');
+
+            var sequence = combination.split(' ');
+            var info;
+
+            // if this pattern is a sequence of keys then run through this method
+            // to reprocess each pattern one key at a time
+            if (sequence.length > 1) {
+                _bindSequence(combination, sequence, callback, action);
+                return;
+            }
+
+            info = _getKeyInfo(combination, action);
+
+            // make sure to initialize array if this is the first time
+            // a callback is added for this key
+            self._callbacks[info.key] = self._callbacks[info.key] || [];
+
+            // remove an existing match if there is one
+            _getMatches(info.key, info.modifiers, {type: info.action}, sequenceName, combination, level);
+
+            // add this call back to the array
+            // if it is a sequence put it at the beginning
+            // if not put it at the end
+            //
+            // this is important because the way these are processed expects
+            // the sequence ones to come first
+            self._callbacks[info.key][sequenceName ? 'unshift' : 'push']({
+                callback: callback,
+                modifiers: info.modifiers,
+                action: info.action,
+                seq: sequenceName,
+                level: level,
+                combo: combination
+            });
+        }
+
+        /**
+         * binds multiple combinations to the same callback
+         *
+         * @param {Array} combinations
+         * @param {Function} callback
+         * @param {string|undefined} action
+         * @returns void
+         */
+        self._bindMultiple = function(combinations, callback, action) {
+            for (var i = 0; i < combinations.length; ++i) {
+                _bindSingle(combinations[i], callback, action);
+            }
+        };
+
+        // start!
+        _addEvent(targetElement, 'keypress', _handleKeyEvent);
+        _addEvent(targetElement, 'keydown', _handleKeyEvent);
+        _addEvent(targetElement, 'keyup', _handleKeyEvent);
+    }
+
+    /**
+     * binds an event to mousetrap
+     *
+     * can be a single key, a combination of keys separated with +,
+     * an array of keys, or a sequence of keys separated by spaces
+     *
+     * be sure to list the modifier keys first to make sure that the
+     * correct key ends up getting bound (the last key in the pattern)
+     *
+     * @param {string|Array} keys
+     * @param {Function} callback
+     * @param {string=} action - 'keypress', 'keydown', or 'keyup'
+     * @returns void
+     */
+    Mousetrap.prototype.bind = function(keys, callback, action) {
+        var self = this;
+        keys = keys instanceof Array ? keys : [keys];
+        self._bindMultiple.call(self, keys, callback, action);
+        return self;
+    };
+
+    /**
+     * unbinds an event to mousetrap
+     *
+     * the unbinding sets the callback function of the specified key combo
+     * to an empty function and deletes the corresponding key in the
+     * _directMap dict.
+     *
+     * TODO: actually remove this from the _callbacks dictionary instead
+     * of binding an empty function
+     *
+     * the keycombo+action has to be exactly the same as
+     * it was defined in the bind method
+     *
+     * @param {string|Array} keys
+     * @param {string} action
+     * @returns void
+     */
+    Mousetrap.prototype.unbind = function(keys, action) {
+        var self = this;
+        return self.bind.call(self, keys, function() {}, action);
+    };
+
+    /**
+     * triggers an event that has already been bound
+     *
+     * @param {string} keys
+     * @param {string=} action
+     * @returns void
+     */
+    Mousetrap.prototype.trigger = function(keys, action) {
+        var self = this;
+        if (self._directMap[keys + ':' + action]) {
+            self._directMap[keys + ':' + action]({}, keys);
+        }
+        return self;
+    };
+
+    /**
+     * resets the library back to its initial state.  this is useful
+     * if you want to clear out the current keyboard shortcuts and bind
+     * new ones - for example if you switch to another page
+     *
+     * @returns void
+     */
+    Mousetrap.prototype.reset = function() {
+        var self = this;
+        self._callbacks = {};
+        self._directMap = {};
+        return self;
+    };
+
+    /**
+     * should we stop this event before firing off callbacks
+     *
+     * @param {Event} e
+     * @param {Element} element
+     * @return {boolean}
+     */
+    Mousetrap.prototype.stopCallback = function(e, element) {
+        var self = this;
+
+        // if the element has the class "mousetrap" then no need to stop
+        if ((' ' + element.className + ' ').indexOf(' mousetrap ') > -1) {
+            return false;
+        }
+
+        if (_belongsTo(element, self.target)) {
+            return false;
+        }
+
+        // stop for input, select, and textarea
+        return element.tagName == 'INPUT' || element.tagName == 'SELECT' || element.tagName == 'TEXTAREA' || element.isContentEditable;
+    };
+
+    /**
+     * exposes _handleKey publicly so it can be overwritten by extensions
+     */
+    Mousetrap.prototype.handleKey = function() {
+        var self = this;
+        return self._handleKey.apply(self, arguments);
+    };
+
+    /**
+     * allow custom key mappings
+     */
+    Mousetrap.addKeycodes = function(object) {
+        for (var key in object) {
+            if (object.hasOwnProperty(key)) {
+                _MAP[key] = object[key];
+            }
+        }
+        _REVERSE_MAP = null;
+    };
+
+    /**
+     * Init the global mousetrap functions
+     *
+     * This method is needed to allow the global mousetrap functions to work
+     * now that mousetrap is a constructor function.
+     */
+    Mousetrap.init = function() {
+        var documentMousetrap = Mousetrap(document);
+        for (var method in documentMousetrap) {
+            if (method.charAt(0) !== '_') {
+                Mousetrap[method] = (function(method) {
+                    return function() {
+                        return documentMousetrap[method].apply(documentMousetrap, arguments);
+                    };
+                } (method));
+            }
+        }
+    };
+
+    Mousetrap.init();
+
+    // expose mousetrap to the global object
+    window.Mousetrap = Mousetrap;
+
+    // expose as a common js module
+    if ('object' !== 'undefined' && module.exports) {
+        module.exports = Mousetrap;
+    }
+
+    // expose mousetrap as an AMD module
+    if (typeof undefined === 'function' && undefined.amd) {
+        undefined(function() {
+            return Mousetrap;
+        });
+    }
+}) (typeof window !== 'undefined' ? window : null, typeof  window !== 'undefined' ? document : null);
+});
+
+var UrbitOperator =
+/*#__PURE__*/
+function () {
+  function UrbitOperator(warehouse) {
+    _classCallCheck(this, UrbitOperator);
+
+    this.seqn = 1;
+    this.warehouse = warehouse;
+    this.menuActive = false;
+    this.runPoll();
+    this.bindInbox();
+    this.bindShortcuts();
+  }
+
+  _createClass(UrbitOperator, [{
+    key: "bindShortcuts",
+    value: function bindShortcuts() {
+      var _this = this;
+
+      mousetrap.bind(["command+k"], function () {
+        if (_this.menuActive) {
+          window.history.back();
+        } else {
+          window.router.transitionTo('/~~/pages/nutalk/menu');
+        }
+
+        _this.menuActive = !_this.menuActive;
+      });
+    }
+  }, {
+    key: "bindInbox",
+    value: function bindInbox() {
+      // inbox local + remote configs, remote presences
+      api.bind("/circle/inbox/config/group-r/0", "PUT"); // inbox messages
+
+      api.bind("/circle/inbox/grams/-50", "PUT"); // owner's circles
+
+      api.bind("/circles/~".concat(api.authTokens.ship), "PUT"); // parses client-specific info (ship nicknames, glyphs, etc)
+      // this.bind("/client", "PUT");
+      // public membership
+      // this.bind("/public", "PUT");
+      // bind to collections
+      // this.bind("/", "PUT", "collections");
+      // delete subscriptions when you're done with them, like...
+      // this.bind("/circle/inbox/grams/0", "DELETE");
+    }
+  }, {
+    key: "runPoll",
+    value: function runPoll() {
+      var _this2 = this;
+
+      console.log('fetching... ', this.seqn);
+      fetch("/~/of/".concat(api.authTokens.ixor, "?poll=").concat(this.seqn), {
+        credentials: "same-origin"
+      }).then(function (res) {
+        return res.json();
+      }).then(function (data) {
+        if (data.beat) {
+          console.log('beat');
+
+          _this2.runPoll();
+        } else {
+          console.log("new server data: ", data);
+
+          if (data.data) {
+            var hallReports = _this2.extractReports(data);
+          }
+
+          _this2.seqn++;
+
+          _this2.runPoll();
+        }
+      });
+    }
+  }, {
+    key: "extractReports",
+    value: function extractReports(serverData) {
+      var reports = [];
+      var reportTypes = Object.keys(Reports);
+      var json = serverData.data.json;
+      reportTypes.forEach(function (type) {
+        var reportData = lodash.get(json, type, null);
+
+        if (!lodash.isEmpty(reportData)) {
+          // TODO: Awful, ugly hack. Maybe fix this with API discussion.
+          if (Reports[type].include) {
+            reportData = lodash.get(json, Reports[type].include, null);
+          }
+
+          reports.push({
+            type: type,
+            data: reportData,
+            from: serverData.from
+          });
+        }
+      });
+      reports.forEach(function (rep) {
+        return console.log('new report: ', rep);
+      });
+      this.warehouse.storeReports(reports);
+    }
+  }]);
+
+  return UrbitOperator;
+}();
+
 function _isPlaceholder(a) {
        return a != null && typeof a === 'object' && a['@@functional/placeholder'] === true;
 }
@@ -59449,8 +65069,8 @@ var gesl = "⋛︀";
 var gesles = "⪔";
 var Gfr = "𝔊";
 var gfr = "𝔤";
-var gg$1 = "≫";
-var Gg = "⋙";
+var gg = "≫";
+var Gg$1 = "⋙";
 var ggg = "⋙";
 var gimel = "ℷ";
 var GJcy = "Ѓ";
@@ -59763,7 +65383,7 @@ var lfisht = "⥼";
 var lfloor = "⌊";
 var Lfr = "𝔏";
 var lfr = "𝔩";
-var lg$1 = "≶";
+var lg = "≶";
 var lgE = "⪑";
 var lHar = "⥢";
 var lhard = "↽";
@@ -60464,7 +66084,7 @@ var sbquo = "‚";
 var scap = "⪸";
 var Scaron = "Š";
 var scaron = "š";
-var Sc = "⪼";
+var Sc$1 = "⪼";
 var sc$1 = "≻";
 var sccue = "≽";
 var sce = "⪰";
@@ -61573,8 +67193,8 @@ var entities = {
 	gesles: gesles,
 	Gfr: Gfr,
 	gfr: gfr,
-	gg: gg$1,
-	Gg: Gg,
+	gg: gg,
+	Gg: Gg$1,
 	ggg: ggg,
 	gimel: gimel,
 	GJcy: GJcy,
@@ -61887,7 +67507,7 @@ var entities = {
 	lfloor: lfloor,
 	Lfr: Lfr,
 	lfr: lfr,
-	lg: lg$1,
+	lg: lg,
 	lgE: lgE,
 	lHar: lHar,
 	lhard: lhard,
@@ -62588,7 +68208,7 @@ var entities = {
 	scap: scap,
 	Scaron: Scaron,
 	scaron: scaron,
-	Sc: Sc,
+	Sc: Sc$1,
 	sc: sc$1,
 	sccue: sccue,
 	sce: sce,
@@ -63701,8 +69321,8 @@ var entities$1 = Object.freeze({
 	gesles: gesles,
 	Gfr: Gfr,
 	gfr: gfr,
-	gg: gg$1,
-	Gg: Gg,
+	gg: gg,
+	Gg: Gg$1,
 	ggg: ggg,
 	gimel: gimel,
 	GJcy: GJcy,
@@ -64015,7 +69635,7 @@ var entities$1 = Object.freeze({
 	lfloor: lfloor,
 	Lfr: Lfr,
 	lfr: lfr,
-	lg: lg$1,
+	lg: lg,
 	lgE: lgE,
 	lHar: lHar,
 	lhard: lhard,
@@ -64716,7 +70336,7 @@ var entities$1 = Object.freeze({
 	scap: scap,
 	Scaron: Scaron,
 	scaron: scaron,
-	Sc: Sc,
+	Sc: Sc$1,
 	sc: sc$1,
 	sccue: sccue,
 	sce: sce,
@@ -66602,15 +72222,15 @@ var versions = {};
 var release = {};
 var config = {};
 
-function noop() {}
+function noop$1() {}
 
-var on = noop;
-var addListener = noop;
-var once = noop;
-var off = noop;
-var removeListener = noop;
-var removeAllListeners = noop;
-var emit = noop;
+var on = noop$1;
+var addListener = noop$1;
+var once = noop$1;
+var off = noop$1;
+var removeListener = noop$1;
+var removeAllListeners = noop$1;
+var emit = noop$1;
 
 function binding(name) {
     throw new Error('process.binding is not supported');
@@ -67723,7 +73343,7 @@ EventEmitter.prototype.removeListener =
             delete events[type];
           }
         } else {
-          spliceOne(list, position);
+          spliceOne$1(list, position);
         }
 
         if (events.removeListener)
@@ -67833,7 +73453,7 @@ EventEmitter.prototype.eventNames = function eventNames() {
 };
 
 // About 1.5x faster than the two-arg version of Array#splice().
-function spliceOne(list, index) {
+function spliceOne$1(list, index) {
   for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1)
     list[i] = list[k];
   list.pop();
@@ -69266,27 +74886,147 @@ var htmlToReact = {
   ProcessNodeDefinitions: ProcessNodeDefinitions$1,
 };
 
+var UrbitRouter =
+/*#__PURE__*/
+function () {
+  function UrbitRouter() {
+    _classCallCheck(this, UrbitRouter);
+
+    this.pageRoot = "";
+    this.domRoot = "#root";
+    this.warehouse = new UrbitWarehouse(this.renderRoot.bind(this));
+    this.operator = new UrbitOperator(this.warehouse);
+    this.scaffold = document.querySelectorAll("#root")[0].innerHTML;
+    this.renderRoot();
+    this.registerAnchorListeners();
+    this.registerHistoryListeners();
+  }
+
+  _createClass(UrbitRouter, [{
+    key: "renderRoot",
+    value: function renderRoot() {
+      this.setHeader(null);
+      var rootComponent = react.createElement(RootComponent, {
+        store: this.warehouse.store,
+        pushPending: this.warehouse.pushPending,
+        queryParams: getQueryParams(),
+        setHeader: this.setHeader,
+        scaffold: this.scaffold
+      });
+      reactDom.render(rootComponent, document.querySelectorAll("#root")[0]);
+    }
+  }, {
+    key: "setHeader",
+    value: function setHeader(headerElem) {
+      if (!headerElem) {
+        headerElem = react.createElement("div", null, react.createElement("h3", {
+          className: "underline text-gray"
+        }, react.createElement("a", {
+          href: "/~~/pages/nutalk"
+        }, "Inbox")));
+      }
+
+      reactDom.render(headerElem, document.querySelectorAll("[urb-component-header]")[0]);
+    }
+  }, {
+    key: "filterUrl",
+    value: function filterUrl(url) {
+      var q = url.indexOf('?');
+      var baseUrl; // If there are query params, preserve 'em
+
+      if (q !== -1) {
+        baseUrl = "".concat(url.substr(0, q), ".htm?").concat(url.substr(q + 1)); // Don't append .htm if it's a known renderer
+      } else if (url.endsWith(".collections-edit")) {
+        baseUrl = url; // Otherwise append .htm
+      } else {
+        baseUrl = url + ".htm";
+      }
+
+      return baseUrl;
+    }
+  }, {
+    key: "transitionTo",
+    value: function transitionTo(targetUrl, noHistory) {
+      var _this = this;
+
+      console.log("Transition to: ", this.filterUrl(targetUrl)); // TODO: Extremely brittle. Expecting parts of form: /~~/pages/nutalk + /show
+
+      fetch(this.filterUrl(targetUrl), {
+        credentials: "same-origin"
+      }).then(function (res) {
+        return res.text();
+      }).then(function (resText) {
+        if (!noHistory) {
+          window.history.pushState({}, null, targetUrl);
+        }
+
+        _this.scaffold = resText;
+
+        _this.renderRoot();
+      });
+    }
+  }, {
+    key: "registerAnchorListeners",
+    value: function registerAnchorListeners() {
+      var _this2 = this;
+
+      window.document.addEventListener('click', function (e) {
+        // Walk the DOM node's parents to find 'a' tags up the chain
+        var el = e.target;
+
+        while (el && el.tagName != 'A') {
+          el = el.parentNode;
+        } // If you find an "a" tag in the clicked element's parents, it's a link
+
+
+        if (el) {
+          var href = el.getAttribute('href'); // TODO: *Extremely* rough way of detecting an external link...
+          //if (href.indexOf('.') === -1) {
+
+          if (el.hostname === "localhost") {
+            e.preventDefault();
+            var targetUrl = _this2.pageRoot + href;
+
+            _this2.transitionTo(targetUrl);
+          }
+        }
+      });
+    }
+  }, {
+    key: "registerHistoryListeners",
+    value: function registerHistoryListeners() {
+      var _this3 = this;
+
+      window.onpopstate = function (state) {
+        _this3.transitionTo(window.location.href, true);
+      };
+    }
+  }]);
+
+  return UrbitRouter;
+}();
+
 var RootComponent =
 /*#__PURE__*/
 function (_Component) {
   _inherits(RootComponent, _Component);
 
   function RootComponent(props) {
-    var _this;
+    var _this4;
 
     _classCallCheck(this, RootComponent);
 
-    _this = _possibleConstructorReturn(this, (RootComponent.__proto__ || Object.getPrototypeOf(RootComponent)).call(this, props)); // Required to convert arbitrary HTML into React elements
+    _this4 = _possibleConstructorReturn(this, (RootComponent.__proto__ || Object.getPrototypeOf(RootComponent)).call(this, props)); // Required to convert arbitrary HTML into React elements
 
-    _this.htmlParser = htmlToReact.Parser();
-    _this.htmlParserNodeDefinitions = new htmlToReact.ProcessNodeDefinitions(react);
-    return _this;
+    _this4.htmlParser = htmlToReact.Parser();
+    _this4.htmlParserNodeDefinitions = new htmlToReact.ProcessNodeDefinitions(react);
+    return _this4;
   }
 
   _createClass(RootComponent, [{
     key: "reactify",
     value: function reactify() {
-      var _this2 = this;
+      var _this5 = this;
 
       var instructions = [{
         replaceChildren: true,
@@ -69303,13 +75043,12 @@ function (_Component) {
 
             propsObj[keyName] = node.attribs[key];
           });
-          console.log('component name...', componentName);
-          console.log('component map...', ComponentMap);
           return react.createElement(ComponentMap[componentName].comp, Object.assign({
-            api: _this2.props.api,
-            store: _this2.props.store,
-            storeData: _this2.props.storeData,
-            queryParams: _this2.props.queryParams
+            api: api,
+            store: _this5.props.store,
+            pushPending: _this5.props.pushPending,
+            queryParams: _this5.props.queryParams,
+            setHeader: _this5.props.setHeader
           }, propsObj));
         }
       }, {
@@ -69333,128 +75072,22 @@ function (_Component) {
   return RootComponent;
 }(react_1);
 
-var UrbitRouter =
-/*#__PURE__*/
-function () {
-  function UrbitRouter() {
-    _classCallCheck(this, UrbitRouter);
-
-    // TODO: Fix this later to not suck.
-    // this.pageRoot = "/~~/pages/nutalk/";
-    this.pageRoot = "";
-    this.domRoot = "#root";
-    this.pendingTransitions = [];
-    this.warehouse = new UrbitWarehouse(this.renderRoot.bind(this));
-    this.api = new UrbitApi(this.warehouse);
-    this.scaffold = document.querySelectorAll("#root")[0].innerHTML;
-    this.renderRoot();
-    this.registerAnchorListeners();
-    this.registerHistoryListeners();
-  }
-
-  _createClass(UrbitRouter, [{
-    key: "renderRoot",
-    value: function renderRoot() {
-      // if userhip is null, auth tokens haven't been loaded yet, so api isn't unavablable. so we wait.
-      if (this.warehouse.store.usership === "") {
-        return;
-      } // TODO: This is very brittle and bad.
-
-
-      if (this.warehouse.pendingTransition) {
-        this.transitionTo(this.warehouse.pendingTransition.target);
-        this.warehouse.pendingTransition = null;
-        return;
-      }
-
-      var rootComponent = react.createElement(RootComponent, {
-        api: this.api,
-        store: this.warehouse.store,
-        storeData: this.warehouse.storeData.bind(this.warehouse),
-        queryParams: getQueryParams(),
-        scaffold: this.scaffold
-      });
-      reactDom.render(rootComponent, document.querySelectorAll("#root")[0]);
-    }
-  }, {
-    key: "filterUrl",
-    value: function filterUrl(url) {
-      var q = url.indexOf('?');
-      var baseUrl; // If there are query params, preserve 'em
-
-      if (q !== -1) {
-        baseUrl = "".concat(url.substr(0, q), ".htm?").concat(url.substr(q + 1)); // Don't append .htm if it's a known renderer
-      } else if (url.endsWith(".collections-edit")) {
-        baseUrl = url; // Otherwise append .htm
-      } else {
-        baseUrl = url + ".htm";
-      }
-
-      return baseUrl;
-    }
-  }, {
-    key: "transitionTo",
-    value: function transitionTo(targetUrl, noHistory) {
-      var _this3 = this;
-
-      console.log("Transition to: ", this.filterUrl(targetUrl)); // TODO: Extremely brittle. Expecting parts of form: /~~/pages/nutalk + /show
-
-      fetch(this.filterUrl(targetUrl), {
-        credentials: "same-origin"
-      }).then(function (res) {
-        return res.text();
-      }).then(function (resText) {
-        if (!noHistory) {
-          window.history.pushState({}, null, targetUrl);
-        }
-
-        _this3.scaffold = resText;
-
-        _this3.renderRoot();
-      });
-    }
-  }, {
-    key: "registerAnchorListeners",
-    value: function registerAnchorListeners() {
-      var _this4 = this;
-
-      window.document.addEventListener('click', function (e) {
-        // Walk the DOM node's parents to find 'a' tags up the chain
-        var el = e.target;
-
-        while (el && el.tagName != 'A') {
-          el = el.parentNode;
-        } // If you find an "a" tag in the clicked element's parents, it's a link
-
-
-        if (el) {
-          var href = el.getAttribute('href'); // TODO: *Extremely* rough way of detecting an external link...
-          //if (href.indexOf('.') === -1) {
-
-          if (el.hostname === "localhost") {
-            e.preventDefault();
-            var targetUrl = _this4.pageRoot + href;
-
-            _this4.transitionTo(targetUrl);
-          }
-        }
-      });
-    }
-  }, {
-    key: "registerHistoryListeners",
-    value: function registerHistoryListeners() {
-      var _this5 = this;
-
-      window.onpopstate = function (state) {
-        _this5.transitionTo(window.location.href, true);
-      };
-    }
-  }]);
-
-  return UrbitRouter;
-}();
-
 console.log('app running');
-var router = new UrbitRouter();
+/*
+  Common variables:
+
+  station :    ~zod/club
+  circle  :    club
+  host    :    zod
+*/
+
+fetch('/~/auth.json', {
+  credentials: "same-origin"
+}).then(function (res) {
+  return res.json();
+}).then(function (authTokens) {
+  api.setAuthTokens(authTokens);
+  window.router = new UrbitRouter();
+});
 
 })));
diff --git a/web/pages/nutalk/list.hoon b/web/pages/nutalk/list.hoon
new file mode 100644
index 0000000000..ab32371882
--- /dev/null
+++ b/web/pages/nutalk/list.hoon
@@ -0,0 +1,3 @@
+^-  manx
+
+;div(urb-component "ListPage");
diff --git a/web/pages/nutalk/menu.hoon b/web/pages/nutalk/menu.hoon
index e69de29bb2..e19c246b46 100644
--- a/web/pages/nutalk/menu.hoon
+++ b/web/pages/nutalk/menu.hoon
@@ -0,0 +1,3 @@
+^-  manx
+
+;div(urb-component "MenuPage");