| 12 |
- /*! backbone-events-standalone 0.2.6 2015-05-18 */
- !function(){function a(){return{keys:Object.keys||function(a){if("object"!=typeof a&&"function"!=typeof a||null===a)throw new TypeError("keys() called on a non-object");var b,c=[];for(b in a)a.hasOwnProperty(b)&&(c[c.length]=b);return c},uniqueId:function(a){var b=++g+"";return a?a+b:b},has:function(a,b){return e.call(a,b)},each:function(a,b,c){if(null!=a)if(d&&a.forEach===d)a.forEach(b,c);else if(a.length===+a.length)for(var e=0,f=a.length;f>e;e++)b.call(c,a[e],e,a);else for(var g in a)this.has(a,g)&&b.call(c,a[g],g,a)},once:function(a){var b,c=!1;return function(){return c?b:(c=!0,b=a.apply(this,arguments),a=null,b)}}}}var b,c=this,d=Array.prototype.forEach,e=Object.prototype.hasOwnProperty,f=Array.prototype.slice,g=0,h=a();b={on:function(a,b,c){if(!j(this,"on",a,[b,c])||!b)return this;this._events||(this._events={});var d=this._events[a]||(this._events[a]=[]);return d.push({callback:b,context:c,ctx:c||this}),this},once:function(a,b,c){if(!j(this,"once",a,[b,c])||!b)return this;var d=this,e=h.once(function(){d.off(a,e),b.apply(this,arguments)});return e._callback=b,this.on(a,e,c)},off:function(a,b,c){var d,e,f,g,i,k,l,m;if(!this._events||!j(this,"off",a,[b,c]))return this;if(!a&&!b&&!c)return this._events={},this;for(g=a?[a]:h.keys(this._events),i=0,k=g.length;k>i;i++)if(a=g[i],f=this._events[a]){if(this._events[a]=d=[],b||c)for(l=0,m=f.length;m>l;l++)e=f[l],(b&&b!==e.callback&&b!==e.callback._callback||c&&c!==e.context)&&d.push(e);d.length||delete this._events[a]}return this},trigger:function(a){if(!this._events)return this;var b=f.call(arguments,1);if(!j(this,"trigger",a,b))return this;var c=this._events[a],d=this._events.all;return c&&k(c,b),d&&k(d,arguments),this},stopListening:function(a,b,c){var d=this._listeners;if(!d)return this;var e=!b&&!c;"object"==typeof b&&(c=this),a&&((d={})[a._listenerId]=a);for(var f in d)d[f].off(b,c,this),e&&delete this._listeners[f];return this}};var i=/\s+/,j=function(a,b,c,d){if(!c)return!0;if("object"==typeof c){for(var e in c)a[b].apply(a,[e,c[e]].concat(d));return!1}if(i.test(c)){for(var f=c.split(i),g=0,h=f.length;h>g;g++)a[b].apply(a,[f[g]].concat(d));return!1}return!0},k=function(a,b){var c,d=-1,e=a.length,f=b[0],g=b[1],h=b[2];switch(b.length){case 0:for(;++d<e;)(c=a[d]).callback.call(c.ctx);return;case 1:for(;++d<e;)(c=a[d]).callback.call(c.ctx,f);return;case 2:for(;++d<e;)(c=a[d]).callback.call(c.ctx,f,g);return;case 3:for(;++d<e;)(c=a[d]).callback.call(c.ctx,f,g,h);return;default:for(;++d<e;)(c=a[d]).callback.apply(c.ctx,b)}},l={listenTo:"on",listenToOnce:"once"};h.each(l,function(a,c){b[c]=function(b,c,d){var e=this._listeners||(this._listeners={}),f=b._listenerId||(b._listenerId=h.uniqueId("l"));return e[f]=b,"object"==typeof c&&(d=this),b[a](c,d,this),this}}),b.bind=b.on,b.unbind=b.off,b.mixin=function(a){var b=["on","once","off","trigger","stopListening","listenTo","listenToOnce","bind","unbind"];return h.each(b,function(b){a[b]=this[b]},this),a},"undefined"!=typeof exports?("undefined"!=typeof module&&module.exports&&(exports=module.exports=b),exports.BackboneEvents=b):"function"==typeof define&&"object"==typeof define.amd?define(function(){return b}):c.BackboneEvents=b}(this);
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