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

5 lines
13 KiB
JavaScript

// Underscore.js 1.4.1
// http://underscorejs.org
// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
// Underscore may be freely distributed under the MIT license.
(function(){var e=this,t=e._,n={},r=Array.prototype,i=Object.prototype,s=Function.prototype,o=r.push,u=r.slice,a=r.concat,f=r.unshift,l=i.toString,c=i.hasOwnProperty,h=r.forEach,p=r.map,d=r.reduce,v=r.reduceRight,m=r.filter,g=r.every,y=r.some,b=r.indexOf,w=r.lastIndexOf,E=Array.isArray,S=Object.keys,x=s.bind,T=function(e){if(e instanceof T)return e;if(!(this instanceof T))return new T(e);this._wrapped=e};typeof exports!="undefined"?(typeof module!="undefined"&&module.exports&&(exports=module.exports=T),exports._=T):e._=T,T.VERSION="1.4.1";var N=T.each=T.forEach=function(e,t,r){if(h&&e.forEach===h)e.forEach(t,r);else if(e.length===+e.length){for(var i=0,s=e.length;i<s;i++)if(t.call(r,e[i],i,e)===n)return}else for(var o in e)if(T.has(e,o)&&t.call(r,e[o],o,e)===n)return};T.map=T.collect=function(e,t,n){var r=[];return p&&e.map===p?e.map(t,n):(N(e,function(e,i,s){r[r.length]=t.call(n,e,i,s)}),r)},T.reduce=T.foldl=T.inject=function(e,t,n,r){var i=arguments.length>2;if(d&&e.reduce===d)return r&&(t=T.bind(t,r)),i?e.reduce(t,n):e.reduce(t);N(e,function(e,s,o){i?n=t.call(r,n,e,s,o):(n=e,i=!0)});if(!i)throw new TypeError("Reduce of empty array with no initial value");return n},T.reduceRight=T.foldr=function(e,t,n,r){var i=arguments.length>2;if(v&&e.reduceRight===v)return r&&(t=T.bind(t,r)),arguments.length>2?e.reduceRight(t,n):e.reduceRight(t);var s=e.length;if(s!==+s){var o=T.keys(e);s=o.length}N(e,function(u,a,f){a=o?o[--s]:--s,i?n=t.call(r,n,e[a],a,f):(n=e[a],i=!0)});if(!i)throw new TypeError("Reduce of empty array with no initial value");return n},T.find=T.detect=function(e,t,n){var r;return C(e,function(e,i,s){if(t.call(n,e,i,s))return r=e,!0}),r},T.filter=T.select=function(e,t,n){var r=[];return m&&e.filter===m?e.filter(t,n):(N(e,function(e,i,s){t.call(n,e,i,s)&&(r[r.length]=e)}),r)},T.reject=function(e,t,n){var r=[];return N(e,function(e,i,s){t.call(n,e,i,s)||(r[r.length]=e)}),r},T.every=T.all=function(e,t,r){t||(t=T.identity);var i=!0;return g&&e.every===g?e.every(t,r):(N(e,function(e,s,o){if(!(i=i&&t.call(r,e,s,o)))return n}),!!i)};var C=T.some=T.any=function(e,t,r){t||(t=T.identity);var i=!1;return y&&e.some===y?e.some(t,r):(N(e,function(e,s,o){if(i||(i=t.call(r,e,s,o)))return n}),!!i)};T.contains=T.include=function(e,t){var n=!1;return b&&e.indexOf===b?e.indexOf(t)!=-1:(n=C(e,function(e){return e===t}),n)},T.invoke=function(e,t){var n=u.call(arguments,2);return T.map(e,function(e){return(T.isFunction(t)?t:e[t]).apply(e,n)})},T.pluck=function(e,t){return T.map(e,function(e){return e[t]})},T.where=function(e,t){return T.isEmpty(t)?[]:T.filter(e,function(e){for(var n in t)if(t[n]!==e[n])return!1;return!0})},T.max=function(e,t,n){if(!t&&T.isArray(e)&&e[0]===+e[0]&&e.length<65535)return Math.max.apply(Math,e);if(!t&&T.isEmpty(e))return-Infinity;var r={computed:-Infinity};return N(e,function(e,i,s){var o=t?t.call(n,e,i,s):e;o>=r.computed&&(r={value:e,computed:o})}),r.value},T.min=function(e,t,n){if(!t&&T.isArray(e)&&e[0]===+e[0]&&e.length<65535)return Math.min.apply(Math,e);if(!t&&T.isEmpty(e))return Infinity;var r={computed:Infinity};return N(e,function(e,i,s){var o=t?t.call(n,e,i,s):e;o<r.computed&&(r={value:e,computed:o})}),r.value},T.shuffle=function(e){var t,n=0,r=[];return N(e,function(e){t=T.random(n++),r[n-1]=r[t],r[t]=e}),r};var k=function(e){return T.isFunction(e)?e:function(t){return t[e]}};T.sortBy=function(e,t,n){var r=k(t);return T.pluck(T.map(e,function(e,t,i){return{value:e,index:t,criteria:r.call(n,e,t,i)}}).sort(function(e,t){var n=e.criteria,r=t.criteria;if(n!==r){if(n>r||n===void 0)return 1;if(n<r||r===void 0)return-1}return e.index<t.index?-1:1}),"value")};var L=function(e,t,n,r){var i={},s=k(t);return N(e,function(t,o){var u=s.call(n,t,o,e);r(i,u,t)}),i};T.groupBy=function(e,t,n){return L(e,t,n,function(e,t,n){(T.has(e,t)?e[t]:e[t]=[]).push(n)})},T.countBy=function(e,t,n){return L(e,t,n,function(e,t,n){T.has(e,t)||(e[t]=0),e[t]++})},T.sortedIndex=function(e,t,n,r){n=n==null?T.identity:k(n);var i=n.call(r,t),s=0,o=e.length;while(s<o){var u=s+o>>>1;n.call(r,e[u])<i?s=u+1:o=u}return s},T.toArray=function(e){return e?e.length===+e.length?u.call(e):T.values(e):[]},T.size=function(e){return e.length===+e.length?e.length:T.keys(e).length},T.first=T.head=T.take=function(e,t,n){return t!=null&&!n?u.call(e,0,t):e[0]},T.initial=function(e,t,n){return u.call(e,0,e.length-(t==null||n?1:t))},T.last=function(e,t,n){return t!=null&&!n?u.call(e,Math.max(e.length-t,0)):e[e.length-1]},T.rest=T.tail=T.drop=function(e,t,n){return u.call(e,t==null||n?1:t)},T.compact=function(e){return T.filter(e,function(e){return!!e})};var A=function(e,t,n){return N(e,function(e){T.isArray(e)?t?o.apply(n,e):A(e,t,n):n.push(e)}),n};T.flatten=function(e,t){return A(e,t,[])},T.without=function(e){return T.difference(e,u.call(arguments,1))},T.uniq=T.unique=function(e,t,n,r){var i=n?T.map(e,n,r):e,s=[],o=[];return N(i,function(n,r){if(t?!r||o[o.length-1]!==n:!T.contains(o,n))o.push(n),s.push(e[r])}),s},T.union=function(){return T.uniq(a.apply(r,arguments))},T.intersection=function(e){var t=u.call(arguments,1);return T.filter(T.uniq(e),function(e){return T.every(t,function(t){return T.indexOf(t,e)>=0})})},T.difference=function(e){var t=a.apply(r,u.call(arguments,1));return T.filter(e,function(e){return!T.contains(t,e)})},T.zip=function(){var e=u.call(arguments),t=T.max(T.pluck(e,"length")),n=new Array(t);for(var r=0;r<t;r++)n[r]=T.pluck(e,""+r);return n},T.object=function(e,t){var n={};for(var r=0,i=e.length;r<i;r++)t?n[e[r]]=t[r]:n[e[r][0]]=e[r][1];return n},T.indexOf=function(e,t,n){var r=0,i=e.length;if(n){if(typeof n!="number")return r=T.sortedIndex(e,t),e[r]===t?r:-1;r=n<0?Math.max(0,i+n):n}if(b&&e.indexOf===b)return e.indexOf(t,n);for(;r<i;r++)if(e[r]===t)return r;return-1},T.lastIndexOf=function(e,t,n){var r=n!=null;if(w&&e.lastIndexOf===w)return r?e.lastIndexOf(t,n):e.lastIndexOf(t);var i=r?n:e.length;while(i--)if(e[i]===t)return i;return-1},T.range=function(e,t,n){arguments.length<=1&&(t=e||0,e=0),n=arguments[2]||1;var r=Math.max(Math.ceil((t-e)/n),0),i=0,s=new Array(r);while(i<r)s[i++]=e,e+=n;return s};var O=function(){};T.bind=function(t,n){var r,i;if(t.bind===x&&x)return x.apply(t,u.call(arguments,1));if(!T.isFunction(t))throw new TypeError;return i=u.call(arguments,2),r=function(){if(this instanceof r){O.prototype=t.prototype;var e=new O,s=t.apply(e,i.concat(u.call(arguments)));return Object(s)===s?s:e}return t.apply(n,i.concat(u.call(arguments)))}},T.bindAll=function(e){var t=u.call(arguments,1);return t.length==0&&(t=T.functions(e)),N(t,function(t){e[t]=T.bind(e[t],e)}),e},T.memoize=function(e,t){var n={};return t||(t=T.identity),function(){var r=t.apply(this,arguments);return T.has(n,r)?n[r]:n[r]=e.apply(this,arguments)}},T.delay=function(e,t){var n=u.call(arguments,2);return setTimeout(function(){return e.apply(null,n)},t)},T.defer=function(e){return T.delay.apply(T,[e,1].concat(u.call(arguments,1)))},T.throttle=function(e,t){var n,r,i,s,o,u,a=T.debounce(function(){o=s=!1},t);return function(){n=this,r=arguments;var f=function(){i=null,o&&(u=e.apply(n,r)),a()};return i||(i=setTimeout(f,t)),s?o=!0:(s=!0,u=e.apply(n,r)),a(),u}},T.debounce=function(e,t,n){var r,i;return function(){var s=this,o=arguments,u=function(){r=null,n||(i=e.apply(s,o))},a=n&&!r;return clearTimeout(r),r=setTimeout(u,t),a&&(i=e.apply(s,o)),i}},T.once=function(e){var t=!1,n;return function(){return t?n:(t=!0,n=e.apply(this,arguments),e=null,n)}},T.wrap=function(e,t){return function(){var n=[e];return o.apply(n,arguments),t.apply(this,n)}},T.compose=function(){var e=arguments;return function(){var t=arguments;for(var n=e.length-1;n>=0;n--)t=[e[n].apply(this,t)];return t[0]}},T.after=function(e,t){return e<=0?t():function(){if(--e<1)return t.apply(this,arguments)}},T.keys=S||function(e){if(e!==Object(e))throw new TypeError("Invalid object");var t=[];for(var n in e)T.has(e,n)&&(t[t.length]=n);return t},T.values=function(e){var t=[];for(var n in e)T.has(e,n)&&t.push(e[n]);return t},T.pairs=function(e){var t=[];for(var n in e)T.has(e,n)&&t.push([n,e[n]]);return t},T.invert=function(e){var t={};for(var n in e)T.has(e,n)&&(t[e[n]]=n);return t},T.functions=T.methods=function(e){var t=[];for(var n in e)T.isFunction(e[n])&&t.push(n);return t.sort()},T.extend=function(e){return N(u.call(arguments,1),function(t){for(var n in t)e[n]=t[n]}),e},T.pick=function(e){var t={},n=a.apply(r,u.call(arguments,1));return N(n,function(n){n in e&&(t[n]=e[n])}),t},T.omit=function(e){var t={},n=a.apply(r,u.call(arguments,1));for(var i in e)T.contains(n,i)||(t[i]=e[i]);return t},T.defaults=function(e){return N(u.call(arguments,1),function(t){for(var n in t)e[n]==null&&(e[n]=t[n])}),e},T.clone=function(e){return T.isObject(e)?T.isArray(e)?e.slice():T.extend({},e):e},T.tap=function(e,t){return t(e),e};var M=function(e,t,n,r){if(e===t)return e!==0||1/e==1/t;if(e==null||t==null)return e===t;e instanceof T&&(e=e._wrapped),t instanceof T&&(t=t._wrapped);var i=l.call(e);if(i!=l.call(t))return!1;switch(i){case"[object String]":return e==String(t);case"[object Number]":return e!=+e?t!=+t:e==0?1/e==1/t:e==+t;case"[object Date]":case"[object Boolean]":return+e==+t;case"[object RegExp]":return e.source==t.source&&e.global==t.global&&e.multiline==t.multiline&&e.ignoreCase==t.ignoreCase}if(typeof e!="object"||typeof t!="object")return!1;var s=n.length;while(s--)if(n[s]==e)return r[s]==t;n.push(e),r.push(t);var o=0,u=!0;if(i=="[object Array]"){o=e.length,u=o==t.length;if(u)while(o--)if(!(u=M(e[o],t[o],n,r)))break}else{var a=e.constructor,f=t.constructor;if(a!==f&&!(T.isFunction(a)&&a instanceof a&&T.isFunction(f)&&f instanceof f))return!1;for(var c in e)if(T.has(e,c)){o++;if(!(u=T.has(t,c)&&M(e[c],t[c],n,r)))break}if(u){for(c in t)if(T.has(t,c)&&!(o--))break;u=!o}}return n.pop(),r.pop(),u};T.isEqual=function(e,t){return M(e,t,[],[])},T.isEmpty=function(e){if(e==null)return!0;if(T.isArray(e)||T.isString(e))return e.length===0;for(var t in e)if(T.has(e,t))return!1;return!0},T.isElement=function(e){return!!e&&e.nodeType===1},T.isArray=E||function(e){return l.call(e)=="[object Array]"},T.isObject=function(e){return e===Object(e)},N(["Arguments","Function","String","Number","Date","RegExp"],function(e){T["is"+e]=function(t){return l.call(t)=="[object "+e+"]"}}),T.isArguments(arguments)||(T.isArguments=function(e){return!!e&&!!T.has(e,"callee")}),typeof /./!="function"&&(T.isFunction=function(e){return typeof e=="function"}),T.isFinite=function(e){return T.isNumber(e)&&isFinite(e)},T.isNaN=function(e){return T.isNumber(e)&&e!=+e},T.isBoolean=function(e){return e===!0||e===!1||l.call(e)=="[object Boolean]"},T.isNull=function(e){return e===null},T.isUndefined=function(e){return e===void 0},T.has=function(e,t){return c.call(e,t)},T.noConflict=function(){return e._=t,this},T.identity=function(e){return e},T.times=function(e,t,n){for(var r=0;r<e;r++)t.call(n,r)},T.random=function(e,t){return t==null&&(t=e,e=0),e+(0|Math.random()*(t-e+1))};var _={escape:{"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#x27;","/":"&#x2F;"}};_.unescape=T.invert(_.escape);var D={escape:new RegExp("["+T.keys(_.escape).join("")+"]","g"),unescape:new RegExp("("+T.keys(_.unescape).join("|")+")","g")};T.each(["escape","unescape"],function(e){T[e]=function(t){return t==null?"":(""+t).replace(D[e],function(t){return _[e][t]})}}),T.result=function(e,t){if(e==null)return null;var n=e[t];return T.isFunction(n)?n.call(e):n},T.mixin=function(e){N(T.functions(e),function(t){var n=T[t]=e[t];T.prototype[t]=function(){var e=[this._wrapped];return o.apply(e,arguments),F.call(this,n.apply(T,e))}})};var P=0;T.uniqueId=function(e){var t=P++;return e?e+t:t},T.templateSettings={evaluate:/<%([\s\S]+?)%>/g,interpolate:/<%=([\s\S]+?)%>/g,escape:/<%-([\s\S]+?)%>/g};var H=/(.)^/,B={"'":"'","\\":"\\","\r":"r","\n":"n"," ":"t","\u2028":"u2028","\u2029":"u2029"},j=/\\|'|\r|\n|\t|\u2028|\u2029/g;T.template=function(e,t,n){n=T.defaults({},n,T.templateSettings);var r=new RegExp([(n.escape||H).source,(n.interpolate||H).source,(n.evaluate||H).source].join("|")+"|$","g"),i=0,s="__p+='";e.replace(r,function(t,n,r,o,u){s+=e.slice(i,u).replace(j,function(e){return"\\"+B[e]}),s+=n?"'+\n((__t=("+n+"))==null?'':_.escape(__t))+\n'":r?"'+\n((__t=("+r+"))==null?'':__t)+\n'":o?"';\n"+o+"\n__p+='":"",i=u+t.length}),s+="';\n",n.variable||(s="with(obj||{}){\n"+s+"}\n"),s="var __t,__p='',__j=Array.prototype.join,print=function(){__p+=__j.call(arguments,'');};\n"+s+"return __p;\n";try{var o=new Function(n.variable||"obj","_",s)}catch(u){throw u.source=s,u}if(t)return o(t,T);var a=function(e){return o.call(this,e,T)};return a.source="function("+(n.variable||"obj")+"){\n"+s+"}",a},T.chain=function(e){return T(e).chain()};var F=function(e){return this._chain?T(e).chain():e};T.mixin(T),N(["pop","push","reverse","shift","sort","splice","unshift"],function(e){var t=r[e];T.prototype[e]=function(){var n=this._wrapped;return t.apply(n,arguments),(e=="shift"||e=="splice")&&n.length===0&&delete n[0],F.call(this,n)}}),N(["concat","join","slice"],function(e){var t=r[e];T.prototype[e]=function(){return F.call(this,t.apply(this._wrapped,arguments))}}),T.extend(T.prototype,{chain:function(){return this._chain=!0,this},value:function(){return this._wrapped}})}).call(this);