// Loaded from https://raw.githubusercontent.com/denjucks/dex/master/lib/deps/@jspm/core@1.1.0/nodelibs/events.js


var e,t,n="object"==typeof Reflect?Reflect:null,r=n&&"function"==typeof n.apply?n.apply:function(e,t,n){return Function.prototype.apply.call(e,t,n)};t=n&&"function"==typeof n.ownKeys?n.ownKeys:Object.getOwnPropertySymbols?function(e){return Object.getOwnPropertyNames(e).concat(Object.getOwnPropertySymbols(e))}:function(e){return Object.getOwnPropertyNames(e)};var i=Number.isNaN||function(e){return e!=e};function o(){o.init.call(this);}e=o,o.EventEmitter=o,o.prototype._events=void 0,o.prototype._eventsCount=0,o.prototype._maxListeners=void 0;var s=10;function u(e){if("function"!=typeof e)throw new TypeError('The "listener" argument must be of type Function. Received type '+typeof e)}function f(e){return void 0===e._maxListeners?o.defaultMaxListeners:e._maxListeners}function v(e,t,n,r){var i,o,s,v;if(u(n),void 0===(o=e._events)?(o=e._events=Object.create(null),e._eventsCount=0):(void 0!==o.newListener&&(e.emit("newListener",t,n.listener?n.listener:n),o=e._events),s=o[t]),void 0===s)s=o[t]=n,++e._eventsCount;else if("function"==typeof s?s=o[t]=r?[n,s]:[s,n]:r?s.unshift(n):s.push(n),(i=f(e))>0&&s.length>i&&!s.warned){s.warned=!0;var a=new Error("Possible EventEmitter memory leak detected. "+s.length+" "+String(t)+" listeners added. Use emitter.setMaxListeners() to increase limit");a.name="MaxListenersExceededWarning",a.emitter=e,a.type=t,a.count=s.length,v=a,console&&console.warn&&console.warn(v);}return e}function a(){if(!this.fired)return this.target.removeListener(this.type,this.wrapFn),this.fired=!0,0===arguments.length?this.listener.call(this.target):this.listener.apply(this.target,arguments)}function l(e,t,n){var r={fired:!1,wrapFn:void 0,target:e,type:t,listener:n},i=a.bind(r);return i.listener=n,r.wrapFn=i,i}function h(e,t,n){var r=e._events;if(void 0===r)return [];var i=r[t];return void 0===i?[]:"function"==typeof i?n?[i.listener||i]:[i]:n?function(e){for(var t=new Array(e.length),n=0;n<t.length;++n)t[n]=e[n].listener||e[n];return t}(i):c(i,i.length)}function p(e){var t=this._events;if(void 0!==t){var n=t[e];if("function"==typeof n)return 1;if(void 0!==n)return n.length}return 0}function c(e,t){for(var n=new Array(t),r=0;r<t;++r)n[r]=e[r];return n}Object.defineProperty(o,"defaultMaxListeners",{enumerable:!0,get:function(){return s},set:function(e){if("number"!=typeof e||e<0||i(e))throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received '+e+".");s=e;}}),o.init=function(){void 0!==this._events&&this._events!==Object.getPrototypeOf(this)._events||(this._events=Object.create(null),this._eventsCount=0),this._maxListeners=this._maxListeners||void 0;},o.prototype.setMaxListeners=function(e){if("number"!=typeof e||e<0||i(e))throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received '+e+".");return this._maxListeners=e,this},o.prototype.getMaxListeners=function(){return f(this)},o.prototype.emit=function(e){for(var t=[],n=1;n<arguments.length;n++)t.push(arguments[n]);var i="error"===e,o=this._events;if(void 0!==o)i=i&&void 0===o.error;else if(!i)return !1;if(i){var s;if(t.length>0&&(s=t[0]),s instanceof Error)throw s;var u=new Error("Unhandled error."+(s?" ("+s.message+")":""));throw u.context=s,u}var f=o[e];if(void 0===f)return !1;if("function"==typeof f)r(f,this,t);else {var v=f.length,a=c(f,v);for(n=0;n<v;++n)r(a[n],this,t);}return !0},o.prototype.addListener=function(e,t){return v(this,e,t,!1)},o.prototype.on=o.prototype.addListener,o.prototype.prependListener=function(e,t){return v(this,e,t,!0)},o.prototype.once=function(e,t){return u(t),this.on(e,l(this,e,t)),this},o.prototype.prependOnceListener=function(e,t){return u(t),this.prependListener(e,l(this,e,t)),this},o.prototype.removeListener=function(e,t){var n,r,i,o,s;if(u(t),void 0===(r=this._events))return this;if(void 0===(n=r[e]))return this;if(n===t||n.listener===t)0==--this._eventsCount?this._events=Object.create(null):(delete r[e],r.removeListener&&this.emit("removeListener",e,n.listener||t));else if("function"!=typeof n){for(i=-1,o=n.length-1;o>=0;o--)if(n[o]===t||n[o].listener===t){s=n[o].listener,i=o;break}if(i<0)return this;0===i?n.shift():!function(e,t){for(;t+1<e.length;t++)e[t]=e[t+1];e.pop();}(n,i),1===n.length&&(r[e]=n[0]),void 0!==r.removeListener&&this.emit("removeListener",e,s||t);}return this},o.prototype.off=o.prototype.removeListener,o.prototype.removeAllListeners=function(e){var t,n,r;if(void 0===(n=this._events))return this;if(void 0===n.removeListener)return 0===arguments.length?(this._events=Object.create(null),this._eventsCount=0):void 0!==n[e]&&(0==--this._eventsCount?this._events=Object.create(null):delete n[e]),this;if(0===arguments.length){var i,o=Object.keys(n);for(r=0;r<o.length;++r)"removeListener"!==(i=o[r])&&this.removeAllListeners(i);return this.removeAllListeners("removeListener"),this._events=Object.create(null),this._eventsCount=0,this}if("function"==typeof(t=n[e]))this.removeListener(e,t);else if(void 0!==t)for(r=t.length-1;r>=0;r--)this.removeListener(e,t[r]);return this},o.prototype.listeners=function(e){return h(this,e,!0)},o.prototype.rawListeners=function(e){return h(this,e,!1)},o.listenerCount=function(e,t){return "function"==typeof e.listenerCount?e.listenerCount(t):p.call(e,t)},o.prototype.listenerCount=p,o.prototype.eventNames=function(){return this._eventsCount>0?t(this._events):[]};var y=e;var EventEmitter=y.EventEmitter;var defaultMaxListeners=y.defaultMaxListeners;var init=y.init;var listenerCount=y.listenerCount;export default y;export{EventEmitter,defaultMaxListeners,init,listenerCount};