7 lines
2.9 KiB
JavaScript
7 lines
2.9 KiB
JavaScript
/*!
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* uEvent 1.0.0 - to make any js object an event emitter
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* Copyright 2011 Jerome Etienne (http://jetienne.com)
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* Copyright 2015-2016 Damien "Mistic" Sorel (http://www.strangeplanet.fr)
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* Licensed under MIT (http://opensource.org/licenses/MIT)
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*/
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!function(a,b){"undefined"!=typeof module&&module.exports?module.exports=b():"function"==typeof define&&define.amd?define([],b):a.uEvent=b()}(this,function(){"use strict";var a=function(){return!0},b=function(){return!1},c=function(){};return c.Event=function(a,b){var c=a,d=b;Object.defineProperties(this,{type:{get:function(){return c},set:function(a){},enumerable:!0},args:{get:function(){return d},set:function(a){},enumerable:!0}})},c.Event.prototype={constructor:c.Event,isDefaultPrevented:b,isPropagationStopped:b,preventDefault:function(){this.isDefaultPrevented=a},stopPropagation:function(){this.isPropagationStopped=a}},c.prototype={constructor:c,on:function(a,b){if(this.__events=this.__events||{},"object"==typeof a)for(var c in a)a.hasOwnProperty(c)&&(this.__events[c]=this.__events[c]||[],this.__events[c].push(a[c]));else a.split(" ").forEach(function(a){this.__events[a]=this.__events[a]||[],this.__events[a].push(b)},this);return this},off:function(a,b){if(this.__events=this.__events||{},"object"==typeof a){for(var c in a)if(a.hasOwnProperty(c)&&c in this.__events){var d=this.__events[c].indexOf(a[c]);-1!==d&&this.__events[c].splice(d,1)}}else a?a.split(" ").forEach(function(a){if(a in this.__events)if(b){var c=this.__events[a].indexOf(b);-1!==c&&this.__events[a].splice(c,1)}else this.__events[a].length=0},this):this.__events={};return this},once:function(a,b){if(this.__once=this.__once||{},"object"==typeof a)for(var c in a)a.hasOwnProperty(c)&&(this.__once[c]=this.__once[c]||[],this.__once[c].push(a[c]));else a.split(" ").forEach(function(a){this.__once[a]=this.__once[a]||[],this.__once[a].push(b)},this);return this},trigger:function(a){var b,d,e,f=Array.prototype.slice.call(arguments,1),g=new c.Event(a,f);if(f.push(g),this.__events&&a in this.__events)for(b=0,d=this.__events[a].length;d>b;b++)if(e=this.__events[a][b],"object"==typeof e?e.handleEvent(g):e.apply(this,f),g.isPropagationStopped())return g;if(this.__once&&a in this.__once){for(b=0,d=this.__once[a].length;d>b;b++)if(e=this.__once[a][b],"object"==typeof e?e.handleEvent(g):e.apply(this,f),g.isPropagationStopped())return delete this.__once[a],g;delete this.__once[a]}return g},change:function(a,b){var d,e,f,g=Array.prototype.slice.call(arguments,1),h=new c.Event(a,g);if(g.push(h),this.__events&&a in this.__events)for(d=0,e=this.__events[a].length;e>d;d++)if(g[0]=b,f=this.__events[a][d],b="object"==typeof f?f.handleEvent(h):f.apply(this,g),h.isPropagationStopped())return b;return b}},c.mixin=function(a,b){b=b||{},a="function"==typeof a?a.prototype:a,["on","off","once","trigger","change"].forEach(function(d){var e=b[d]||d;a[e]=c.prototype[d]}),Object.defineProperties(a,{__events:{value:null,writable:!0},__once:{value:null,writable:!0}})},c}); |