Pankaj Berde | c4ae4b8 | 2013-01-12 09:56:47 -0800 | [diff] [blame^] | 1 | // Underscore.js 1.3.3 |
| 2 | // (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc. |
| 3 | // Underscore is freely distributable under the MIT license. |
| 4 | // Portions of Underscore are inspired or borrowed from Prototype, |
| 5 | // Oliver Steele's Functional, and John Resig's Micro-Templating. |
| 6 | // For all details and documentation: |
| 7 | // http://documentcloud.github.com/underscore |
| 8 | (function(){function r(a,c,d){if(a===c)return 0!==a||1/a==1/c;if(null==a||null==c)return a===c;a._chain&&(a=a._wrapped);c._chain&&(c=c._wrapped);if(a.isEqual&&b.isFunction(a.isEqual))return a.isEqual(c);if(c.isEqual&&b.isFunction(c.isEqual))return c.isEqual(a);var e=l.call(a);if(e!=l.call(c))return!1;switch(e){case "[object String]":return a==""+c;case "[object Number]":return a!=+a?c!=+c:0==a?1/a==1/c:a==+c;case "[object Date]":case "[object Boolean]":return+a==+c;case "[object RegExp]":return a.source== |
| 9 | c.source&&a.global==c.global&&a.multiline==c.multiline&&a.ignoreCase==c.ignoreCase}if("object"!=typeof a||"object"!=typeof c)return!1;for(var f=d.length;f--;)if(d[f]==a)return!0;d.push(a);var f=0,g=!0;if("[object Array]"==e){if(f=a.length,g=f==c.length)for(;f--&&(g=f in a==f in c&&r(a[f],c[f],d)););}else{if("constructor"in a!="constructor"in c||a.constructor!=c.constructor)return!1;for(var h in a)if(b.has(a,h)&&(f++,!(g=b.has(c,h)&&r(a[h],c[h],d))))break;if(g){for(h in c)if(b.has(c,h)&&!f--)break; |
| 10 | g=!f}}d.pop();return g}var s=this,I=s._,o={},k=Array.prototype,p=Object.prototype,i=k.slice,J=k.unshift,l=p.toString,K=p.hasOwnProperty,y=k.forEach,z=k.map,A=k.reduce,B=k.reduceRight,C=k.filter,D=k.every,E=k.some,q=k.indexOf,F=k.lastIndexOf,p=Array.isArray,L=Object.keys,t=Function.prototype.bind,b=function(a){return new m(a)};"undefined"!==typeof exports?("undefined"!==typeof module&&module.exports&&(exports=module.exports=b),exports._=b):s._=b;b.VERSION="1.3.3";var j=b.each=b.forEach=function(a, |
| 11 | c,d){if(a!=null)if(y&&a.forEach===y)a.forEach(c,d);else if(a.length===+a.length)for(var e=0,f=a.length;e<f;e++){if(e in a&&c.call(d,a[e],e,a)===o)break}else for(e in a)if(b.has(a,e)&&c.call(d,a[e],e,a)===o)break};b.map=b.collect=function(a,c,b){var e=[];if(a==null)return e;if(z&&a.map===z)return a.map(c,b);j(a,function(a,g,h){e[e.length]=c.call(b,a,g,h)});if(a.length===+a.length)e.length=a.length;return e};b.reduce=b.foldl=b.inject=function(a,c,d,e){var f=arguments.length>2;a==null&&(a=[]);if(A&& |
| 12 | a.reduce===A){e&&(c=b.bind(c,e));return f?a.reduce(c,d):a.reduce(c)}j(a,function(a,b,i){if(f)d=c.call(e,d,a,b,i);else{d=a;f=true}});if(!f)throw new TypeError("Reduce of empty array with no initial value");return d};b.reduceRight=b.foldr=function(a,c,d,e){var f=arguments.length>2;a==null&&(a=[]);if(B&&a.reduceRight===B){e&&(c=b.bind(c,e));return f?a.reduceRight(c,d):a.reduceRight(c)}var g=b.toArray(a).reverse();e&&!f&&(c=b.bind(c,e));return f?b.reduce(g,c,d,e):b.reduce(g,c)};b.find=b.detect=function(a, |
| 13 | c,b){var e;G(a,function(a,g,h){if(c.call(b,a,g,h)){e=a;return true}});return e};b.filter=b.select=function(a,c,b){var e=[];if(a==null)return e;if(C&&a.filter===C)return a.filter(c,b);j(a,function(a,g,h){c.call(b,a,g,h)&&(e[e.length]=a)});return e};b.reject=function(a,c,b){var e=[];if(a==null)return e;j(a,function(a,g,h){c.call(b,a,g,h)||(e[e.length]=a)});return e};b.every=b.all=function(a,c,b){var e=true;if(a==null)return e;if(D&&a.every===D)return a.every(c,b);j(a,function(a,g,h){if(!(e=e&&c.call(b, |
| 14 | a,g,h)))return o});return!!e};var G=b.some=b.any=function(a,c,d){c||(c=b.identity);var e=false;if(a==null)return e;if(E&&a.some===E)return a.some(c,d);j(a,function(a,b,h){if(e||(e=c.call(d,a,b,h)))return o});return!!e};b.include=b.contains=function(a,c){var b=false;if(a==null)return b;if(q&&a.indexOf===q)return a.indexOf(c)!=-1;return b=G(a,function(a){return a===c})};b.invoke=function(a,c){var d=i.call(arguments,2);return b.map(a,function(a){return(b.isFunction(c)?c||a:a[c]).apply(a,d)})};b.pluck= |
| 15 | function(a,c){return b.map(a,function(a){return a[c]})};b.max=function(a,c,d){if(!c&&b.isArray(a)&&a[0]===+a[0])return Math.max.apply(Math,a);if(!c&&b.isEmpty(a))return-Infinity;var e={computed:-Infinity};j(a,function(a,b,h){b=c?c.call(d,a,b,h):a;b>=e.computed&&(e={value:a,computed:b})});return e.value};b.min=function(a,c,d){if(!c&&b.isArray(a)&&a[0]===+a[0])return Math.min.apply(Math,a);if(!c&&b.isEmpty(a))return Infinity;var e={computed:Infinity};j(a,function(a,b,h){b=c?c.call(d,a,b,h):a;b<e.computed&& |
| 16 | (e={value:a,computed:b})});return e.value};b.shuffle=function(a){var b=[],d;j(a,function(a,f){d=Math.floor(Math.random()*(f+1));b[f]=b[d];b[d]=a});return b};b.sortBy=function(a,c,d){var e=b.isFunction(c)?c:function(a){return a[c]};return b.pluck(b.map(a,function(a,b,c){return{value:a,criteria:e.call(d,a,b,c)}}).sort(function(a,b){var c=a.criteria,d=b.criteria;return c===void 0?1:d===void 0?-1:c<d?-1:c>d?1:0}),"value")};b.groupBy=function(a,c){var d={},e=b.isFunction(c)?c:function(a){return a[c]}; |
| 17 | j(a,function(a,b){var c=e(a,b);(d[c]||(d[c]=[])).push(a)});return d};b.sortedIndex=function(a,c,d){d||(d=b.identity);for(var e=0,f=a.length;e<f;){var g=e+f>>1;d(a[g])<d(c)?e=g+1:f=g}return e};b.toArray=function(a){return!a?[]:b.isArray(a)||b.isArguments(a)?i.call(a):a.toArray&&b.isFunction(a.toArray)?a.toArray():b.values(a)};b.size=function(a){return b.isArray(a)?a.length:b.keys(a).length};b.first=b.head=b.take=function(a,b,d){return b!=null&&!d?i.call(a,0,b):a[0]};b.initial=function(a,b,d){return i.call(a, |
| 18 | 0,a.length-(b==null||d?1:b))};b.last=function(a,b,d){return b!=null&&!d?i.call(a,Math.max(a.length-b,0)):a[a.length-1]};b.rest=b.tail=function(a,b,d){return i.call(a,b==null||d?1:b)};b.compact=function(a){return b.filter(a,function(a){return!!a})};b.flatten=function(a,c){return b.reduce(a,function(a,e){if(b.isArray(e))return a.concat(c?e:b.flatten(e));a[a.length]=e;return a},[])};b.without=function(a){return b.difference(a,i.call(arguments,1))};b.uniq=b.unique=function(a,c,d){var d=d?b.map(a,d):a, |
| 19 | e=[];a.length<3&&(c=true);b.reduce(d,function(d,g,h){if(c?b.last(d)!==g||!d.length:!b.include(d,g)){d.push(g);e.push(a[h])}return d},[]);return e};b.union=function(){return b.uniq(b.flatten(arguments,true))};b.intersection=b.intersect=function(a){var c=i.call(arguments,1);return b.filter(b.uniq(a),function(a){return b.every(c,function(c){return b.indexOf(c,a)>=0})})};b.difference=function(a){var c=b.flatten(i.call(arguments,1),true);return b.filter(a,function(a){return!b.include(c,a)})};b.zip=function(){for(var a= |
| 20 | i.call(arguments),c=b.max(b.pluck(a,"length")),d=Array(c),e=0;e<c;e++)d[e]=b.pluck(a,""+e);return d};b.indexOf=function(a,c,d){if(a==null)return-1;var e;if(d){d=b.sortedIndex(a,c);return a[d]===c?d:-1}if(q&&a.indexOf===q)return a.indexOf(c);d=0;for(e=a.length;d<e;d++)if(d in a&&a[d]===c)return d;return-1};b.lastIndexOf=function(a,b){if(a==null)return-1;if(F&&a.lastIndexOf===F)return a.lastIndexOf(b);for(var d=a.length;d--;)if(d in a&&a[d]===b)return d;return-1};b.range=function(a,b,d){if(arguments.length<= |
| 21 | 1){b=a||0;a=0}for(var d=arguments[2]||1,e=Math.max(Math.ceil((b-a)/d),0),f=0,g=Array(e);f<e;){g[f++]=a;a=a+d}return g};var H=function(){};b.bind=function(a,c){var d,e;if(a.bind===t&&t)return t.apply(a,i.call(arguments,1));if(!b.isFunction(a))throw new TypeError;e=i.call(arguments,2);return d=function(){if(!(this instanceof d))return a.apply(c,e.concat(i.call(arguments)));H.prototype=a.prototype;var b=new H,g=a.apply(b,e.concat(i.call(arguments)));return Object(g)===g?g:b}};b.bindAll=function(a){var c= |
| 22 | i.call(arguments,1);c.length==0&&(c=b.functions(a));j(c,function(c){a[c]=b.bind(a[c],a)});return a};b.memoize=function(a,c){var d={};c||(c=b.identity);return function(){var e=c.apply(this,arguments);return b.has(d,e)?d[e]:d[e]=a.apply(this,arguments)}};b.delay=function(a,b){var d=i.call(arguments,2);return setTimeout(function(){return a.apply(null,d)},b)};b.defer=function(a){return b.delay.apply(b,[a,1].concat(i.call(arguments,1)))};b.throttle=function(a,c){var d,e,f,g,h,i,j=b.debounce(function(){h= |
| 23 | g=false},c);return function(){d=this;e=arguments;f||(f=setTimeout(function(){f=null;h&&a.apply(d,e);j()},c));g?h=true:i=a.apply(d,e);j();g=true;return i}};b.debounce=function(a,b,d){var e;return function(){var f=this,g=arguments;d&&!e&&a.apply(f,g);clearTimeout(e);e=setTimeout(function(){e=null;d||a.apply(f,g)},b)}};b.once=function(a){var b=false,d;return function(){if(b)return d;b=true;return d=a.apply(this,arguments)}};b.wrap=function(a,b){return function(){var d=[a].concat(i.call(arguments,0)); |
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| 27 | b.isString=function(a){return l.call(a)=="[object String]"};b.isNumber=function(a){return l.call(a)=="[object Number]"};b.isFinite=function(a){return b.isNumber(a)&&isFinite(a)};b.isNaN=function(a){return a!==a};b.isBoolean=function(a){return a===true||a===false||l.call(a)=="[object Boolean]"};b.isDate=function(a){return l.call(a)=="[object Date]"};b.isRegExp=function(a){return l.call(a)=="[object RegExp]"};b.isNull=function(a){return a===null};b.isUndefined=function(a){return a===void 0};b.has=function(a, |
| 28 | b){return K.call(a,b)};b.noConflict=function(){s._=I;return this};b.identity=function(a){return a};b.times=function(a,b,d){for(var e=0;e<a;e++)b.call(d,e)};b.escape=function(a){return(""+a).replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""").replace(/'/g,"'").replace(/\//g,"/")};b.result=function(a,c){if(a==null)return null;var d=a[c];return b.isFunction(d)?d.call(a):d};b.mixin=function(a){j(b.functions(a),function(c){M(c,b[c]=a[c])})};var N=0;b.uniqueId= |
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