WordPress/wp-includes/js/backbone.min.js

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(function(t){var e=typeof self=="object"&&self.self===self&&self||typeof global=="object"&&global.global===global&&global;if(typeof define==="function"&&define.amd){define(["underscore","jquery","exports"],function(i,r,n){e.Backbone=t(e,n,i,r)})}else if(typeof exports!=="undefined"){var i=require("underscore"),r;try{r=require("jquery")}catch(n){}t(e,exports,i,r)}else{e.Backbone=t(e,{},e._,e.jQuery||e.Zepto||e.ender||e.$)}})(function(t,e,i,r){var n=t.Backbone;var s=Array.prototype.slice;e.VERSION="1.3.3";e.$=r;e.noConflict=function(){t.Backbone=n;return this};e.emulateHTTP=false;e.emulateJSON=false;var a=function(t,e,r){switch(t){case 1:return function(){return i[e](this[r])};case 2:return function(t){return i[e](this[r],t)};case 3:return function(t,n){return i[e](this[r],o(t,this),n)};case 4:return function(t,n,s){return i[e](this[r],o(t,this),n,s)};default:return function(){var t=s.call(arguments);t.unshift(this[r]);return i[e].apply(i,t)}}};var h=function(t,e,r){i.each(e,function(e,n){if(i[n])t.prototype[n]=a(e,n,r)})};var o=function(t,e){if(i.isFunction(t))return t;if(i.isObject(t)&&!e._isModel(t))return l(t);if(i.isString(t))return function(e){return e.get(t)};return t};var l=function(t){var e=i.matches(t);return function(t){return e(t.attributes)}};var u=e.Events={};var c=/\s+/;var f=function(t,e,r,n,s){var a=0,h;if(r&&typeof r==="object"){if(n!==void 0&&"context"in s&&s.context===void 0)s.context=n;for(h=i.keys(r);a<h.length;a++){e=f(t,e,h[a],r[h[a]],s)}}else if(r&&c.test(r)){for(h=r.split(c);a<h.length;a++){e=t(e,h[a],n,s)}}else{e=t(e,r,n,s)}return e};u.on=function(t,e,i){return d(this,t,e,i)};var d=function(t,e,i,r,n){t._events=f(v,t._events||{},e,i,{context:r,ctx:t,listening:n});if(n){var s=t._listeners||(t._listeners={});s[n.id]=n}return t};u.listenTo=function(t,e,r){if(!t)return this;var n=t._listenId||(t._listenId=i.uniqueId("l"));var s=this._listeningTo||(this._listeningTo={});var a=s[n];if(!a){var h=this._listenId||(this._listenId=i.uniqueId("l"));a=s[n]={obj:t,objId:n,id:h,listeningTo:s,count:0}}d(t,e,r,this,a);return this};var v=function(t,e,i,r){if(i){var n=t[e]||(t[e]=[]);var s=r.context,a=r.ctx,h=r.listening;if(h)h.count++;n.push({callback:i,context:s,ctx:s||a,listening:h})}return t};u.off=function(t,e,i){if(!this._events)return this;this._events=f(g,this._events,t,e,{context:i,listeners:this._listeners});return this};u.stopListening=function(t,e,r){var n=this._listeningTo;if(!n)return this;var s=t?[t._listenId]:i.keys(n);for(var a=0;a<s.length;a++){var h=n[s[a]];if(!h)break;h.obj.off(e,r,this)}return this};var g=function(t,e,r,n){if(!t)return;var s=0,a;var h=n.context,o=n.listeners;if(!e&&!r&&!h){var l=i.keys(o);for(;s<l.length;s++){a=o[l[s]];delete o[a.id];delete a.listeningTo[a.objId]}return}var u=e?[e]:i.keys(t);for(;s<u.length;s++){e=u[s];var c=t[e];if(!c)break;var f=[];for(var d=0;d<c.length;d++){var v=c[d];if(r&&r!==v.callback&&r!==v.callback._callback||h&&h!==v.context){f.push(v)}else{a=v.listening;if(a&&--a.count===0){delete o[a.id];delete a.listeningTo[a.objId]}}}if(f.length){t[e]=f}else{delete t[e]}}return t};u.once=function(t,e,r){var n=f(p,{},t,e,i.bind(this.off,this));if(typeof t==="string"&&r==null)e=void 0;return this.on(n,e,r)};u.listenToOnce=function(t,e,r){var n=f(p,{},e,r,i.bind(this.stopListening,this,t));return this.listenTo(t,n)};var p=function(t,e,r,n){if(r){var s=t[e]=i.once(function(){n(e,s);r.apply(this,arguments)});s._callback=r}return t};u.trigger=function(t){if(!this._events)return this;var e=Math.max(0,arguments.length-1);var i=Array(e);for(var r=0;r<e;r++)i[r]=arguments[r+1];f(m,this._events,t,void 0,i);return this};var m=function(t,e,i,r){if(t){var n=t[e];var s=t.all;if(n&&s)s=s.slice();if(n)_(n,r);if(s)_(s,[e].concat(r))}return t};var _=function(t,e){var i,r=-1,n=t.length,s=e[0],a=e[1],h=e[2];switch(e.length){case 0:while(++r<n)(i=t[r]).callback.call(i.ctx);return;case 1:while(++r<n)(i=t[r]).callback.call(i.ctx,s);return;case 2:while(++r<n)(i=t[r]).callback.call(i.ctx,s,a);return;case 3:while(++r<n)(i=t[r]).callback.call(i.ctx,s,a,h);return;default:while(++r<n)(i=t[r]