explicit snip loadedness tracking

pub/tree/src/js/components/AnchorComponent.coffee

@@ -77,11 +77,9 @@ module.exports = recl
     up = @state.pare ? "/"
     if up.slice(-1) is "/" then up = up.slice 0,-1
 
-    unless @state.cont[up]?
-      TreeActions.getPath up
+    unless @state.cont[up]? then TreeActions.getPath up
     
-    unless (_(@state.sibs).keys().every (k) => @state.snip[up+"/"+k]?)
-      TreeActions.getPath up, "snip"
+    unless TreeStore.gotSnip(up) then TreeActions.getPath up, "snip"
         
   componentDidUpdate: -> 
     @setTitle()
@@ -119,6 +117,8 @@ module.exports = recl
     href = window.tree.basepath path
     (a {href,key:"arow-#{name}",className:"arow-#{name}"},"")
   
+  toText: (elem)-> $(React.renderToStaticMarkup elem).text()
+  
   renderParts: -> [
     if @state.pare then _.filter [
       div {id:"up",key:"up"}, @renderArrow "up", @state.pare
@@ -141,9 +141,9 @@ module.exports = recl
         path = up+"/"+i
         href = window.tree.basepath path
         snip = @state.snip[path]
-        head = snip?.meta?.title ? snip?.head ? i
-        if typeof head isnt 'string'
-          head = $(React.renderToStaticMarkup head).text()
+        head = snip?.meta?.title
+        head ?= @toText snip?.head if snip?.head
+        head ||= i
         (div {className,key:i}, (a {href,onClick:@_click}, head))
       style = {marginTop:"#{-24*ci}px"}
       div {key:"sibs",id:"sibs",style}, _sibs

pub/tree/src/js/components/ListComponent.coffee

@@ -26,10 +26,7 @@ module.exports = recl
 
   getInitialState: -> @stateFromStore()
 
-  gotPath: ->
-    _keys = _(@state.tree).keys()
-    (not _keys.isEmpty()) and _keys.every (k) =>
-      @state.snip[@state.path+"/"+k]?
+  gotPath: -> TreeStore.gotSnip(@state.path)
 
   componentDidMount: ->
     TreeStore.addChangeListener @_onChangeStore

pub/tree/src/js/main.js

@@ -161,11 +161,7 @@ module.exports = recl({
     if (this.state.cont[up] == null) {
       TreeActions.getPath(up);
     }
-    if (!(_(this.state.sibs).keys().every((function(_this) {
-      return function(k) {
-        return _this.state.snip[up + "/" + k] != null;
-      };
-    })(this)))) {
+    if (!TreeStore.gotSnip(up)) {
       return TreeActions.getPath(up, "snip");
     }
   },
@@ -219,6 +215,9 @@ module.exports = recl({
       className: "arow-" + name
     }, "");
   },
+  toText: function(elem) {
+    return $(React.renderToStaticMarkup(elem)).text();
+  },
   renderParts: function() {
     var _sibs, ci, curr, j, k, ref1, style, up;
     return [
@@ -232,7 +231,7 @@ module.exports = recl({
         }, _.filter([this.state.prev ? this.renderArrow("prev", this.state.prev) : void 0, this.state.next ? this.renderArrow("next", this.state.next) : void 0])) : void 0
       ]) : void 0, _.keys(this.state.sibs).length > 0 ? ((ref1 = this.state.path.split("/"), up = 2 <= ref1.length ? slice.call(ref1, 0, j = ref1.length - 1) : (j = 0, []), curr = ref1[j++], ref1), up = up.join("/"), ci = 0, k = 0, _sibs = _(this.state.sibs).keys().sort().map((function(_this) {
         return function(i) {
-          var className, head, href, path, ref2, ref3, ref4, snip;
+          var className, head, href, path, ref2, snip;
           if (curr === i) {
             className = "active";
             ci = k;
@@ -244,10 +243,13 @@ module.exports = recl({
           path = up + "/" + i;
           href = window.tree.basepath(path);
           snip = _this.state.snip[path];
-          head = (ref2 = (ref3 = snip != null ? (ref4 = snip.meta) != null ? ref4.title : void 0 : void 0) != null ? ref3 : snip != null ? snip.head : void 0) != null ? ref2 : i;
-          if (typeof head !== 'string') {
-            head = $(React.renderToStaticMarkup(head)).text();
+          head = snip != null ? (ref2 = snip.meta) != null ? ref2.title : void 0 : void 0;
+          if (snip != null ? snip.head : void 0) {
+            if (head == null) {
+              head = _this.toText(snip != null ? snip.head : void 0);
+            }
           }
+          head || (head = i);
           return div({
             className: className,
             key: i
@@ -473,13 +475,7 @@ module.exports = recl({
     return this.stateFromStore();
   },
   gotPath: function() {
-    var _keys;
-    _keys = _(this.state.tree).keys();
-    return (!_keys.isEmpty()) && _keys.every((function(_this) {
-      return function(k) {
-        return _this.state.snip[_this.state.path + "/" + k] != null;
-      };
-    })(this));
+    return TreeStore.gotSnip(this.state.path);
   },
   componentDidMount: function() {
     TreeStore.addChangeListener(this._onChangeStore);
@@ -1160,7 +1156,7 @@ module.exports = {
 
 
 },{}],15:[function(require,module,exports){
-var EventEmitter, MessageDispatcher, TreeStore, _cont, _curr, _snip, _tree, clog;
+var EventEmitter, MessageDispatcher, TreeStore, _cont, _curr, _got_snip, _snip, _tree, clog;
 
 EventEmitter = require('events').EventEmitter;
 
@@ -1174,6 +1170,8 @@ _cont = {};
 
 _snip = {};
 
+_got_snip = {};
+
 _curr = "";
 
 TreeStore = _.extend(EventEmitter.prototype, {
@@ -1228,23 +1226,24 @@ TreeStore = _.extend(EventEmitter.prototype, {
   getSnip: function() {
     return _snip;
   },
+  gotSnip: function(path) {
+    return !!_got_snip[path];
+  },
   loadSnip: function(path, snip) {
-    var k, results, v;
+    var k, v;
     this.mergePathToTree(path, _.pluck(snip, "name"));
     if ((snip != null ? snip.length : void 0) !== 0) {
-      results = [];
       for (k in snip) {
         v = snip[k];
-        results.push(_snip[path + "/" + v.name] = {
+        _snip[path + "/" + v.name] = {
           head: window.tree.reactify(v.body.head),
           body: window.tree.reactify(v.body.body),
           orig: v.body,
           meta: v.meta
-        });
+        };
       }
-      return results;
     } else {
-      return _cont[path] = window.tree.reactify({
+      _cont[path] = window.tree.reactify({
         gn: 'div',
         c: [
           {
@@ -1268,6 +1267,7 @@ TreeStore = _.extend(EventEmitter.prototype, {
         ]
       });
     }
+    return _got_snip[path] = true;
   },
   loadKids: function(path, kids) {
     var k, results, v;

pub/tree/src/js/stores/TreeStore.coffee

@@ -5,7 +5,7 @@ clog = console.log
 
 _tree = {}
 _cont = {}
-_snip = {}
+_snip = {}; _got_snip = {}
 _curr = ""
 
 TreeStore = _.extend EventEmitter.prototype, {
@@ -40,6 +40,7 @@ TreeStore = _.extend EventEmitter.prototype, {
     tree
 
   getSnip: -> _snip
+  gotSnip: (path)-> !!_got_snip[path]
 
   loadSnip: (path,snip) ->
     @mergePathToTree path,_.pluck(snip,"name")
@@ -58,6 +59,7 @@ TreeStore = _.extend EventEmitter.prototype, {
                {gn:'pre',  c:[@getCurr()]}
                {gn:'span', c:['is either empty or does not exist.']}
            ] }]
+    _got_snip[path] = true
 
   loadKids: (path,kids) ->
     @mergePathToTree path,_.pluck(kids,"name")