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Michael Malone
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Feb 23, 2016
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| define(['exports', 'babel-runtime/helpers/class-call-check', 'babel-runtime/helpers/create-class', 'babel-runtime/helpers/slice', 'babel-runtime/helpers/to-consumable-array'], function (exports, _babelRuntimeHelpersClassCallCheck, _babelRuntimeHelpersCreateClass, _babelRuntimeHelpersSlice, _babelRuntimeHelpersToConsumableArray) { | ||
| 'use strict'; | ||
|
|
||
| Object.defineProperty(exports, '__esModule', { | ||
| value: true | ||
| }); | ||
|
|
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| var EventListener = function EventListener(func) { | ||
| var once = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1]; | ||
| (0, _babelRuntimeHelpersClassCallCheck['default'])(this, EventListener); | ||
|
|
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| this.func = func; | ||
| this.once = once; | ||
| }; | ||
|
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| var Emitter = (function () { | ||
| function Emitter(options) { | ||
| (0, _babelRuntimeHelpersClassCallCheck['default'])(this, Emitter); | ||
|
|
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| this.options = options || {}; | ||
| this.events = {}; | ||
| } | ||
|
|
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| (0, _babelRuntimeHelpersCreateClass['default'])(Emitter, [{ | ||
| key: 'on', | ||
| value: function on(type, fn) { | ||
| var once = arguments.length <= 2 || arguments[2] === undefined ? false : arguments[2]; | ||
|
|
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| var newEvent = new EventListener(fn, once); | ||
| if (this.events[type] === undefined) { | ||
| this.events[type] = []; | ||
| } | ||
| this.events[type].push(newEvent); | ||
| } | ||
| }, { | ||
| key: 'once', | ||
| value: function once(type, fn) { | ||
| this.on(type, fn, true); | ||
| } | ||
| }, { | ||
| key: 'off', | ||
| value: function off(type, fn) { | ||
| if (arguments.length === 1) { | ||
| delete this.events[type]; | ||
| } else if (arguments.length === 0) { | ||
| this.events = {}; | ||
| } else { | ||
| var eventList = this.events[type]; | ||
| if (eventList) { | ||
| var index = eventList.findIndex(function (x) { | ||
| return x.func === fn; | ||
| }); | ||
| if (index >= 0) eventList.splice(index, 1); | ||
| } | ||
| } | ||
| } | ||
| }, { | ||
| key: 'emit', | ||
| value: function emit() { | ||
| var args = [].concat(_babelRuntimeHelpersSlice['default'].call(arguments)); | ||
| return this._emitterSnapshot(args.shift()).apply(this, args); | ||
| } | ||
| }, { | ||
| key: '_emitterSnapshot', | ||
| value: function _emitterSnapshot(type) { | ||
| var et = (this.events[type] || []).slice(0); | ||
| return function () { | ||
| var _this = this; | ||
|
|
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| var args = arguments ? [].concat(_babelRuntimeHelpersSlice['default'].call(arguments)) : []; | ||
| if (type === 'error' && this.options.throws !== false && !et.length) { | ||
| throw args.length === 1 ? args[0] : args; | ||
| } | ||
| et.forEach(function (listener) { | ||
| if (_this.options.async) { | ||
| debounce.apply(undefined, [listener.func].concat((0, _babelRuntimeHelpersToConsumableArray['default'])(args))); | ||
| } else { | ||
| listener.func.apply(listener, (0, _babelRuntimeHelpersToConsumableArray['default'])(args)); | ||
| } | ||
| if (listener.once) { | ||
| _this.off(type, listener); | ||
| } | ||
| }); | ||
| }; | ||
| } | ||
| }]); | ||
| return Emitter; | ||
| })(); | ||
|
|
||
| exports.Emitter = Emitter; | ||
| }); |
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