25 lines
8.9 KiB
JavaScript
25 lines
8.9 KiB
JavaScript
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// Underscore.js 1.1.2
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// (c) 2010 Jeremy Ashkenas, DocumentCloud Inc.
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// Underscore is freely distributable under the MIT license.
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// Portions of Underscore are inspired or borrowed from Prototype,
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// Oliver Steele's Functional, and John Resig's Micro-Templating.
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// For all details and documentation:
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// http://documentcloud.github.com/underscore
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(function(){var o=this,A=o._,r=typeof StopIteration!=="undefined"?StopIteration:"__break__",k=Array.prototype,m=Object.prototype,i=k.slice,B=k.unshift,C=m.toString,p=m.hasOwnProperty,s=k.forEach,t=k.map,u=k.reduce,v=k.reduceRight,w=k.filter,x=k.every,y=k.some,n=k.indexOf,z=k.lastIndexOf;m=Array.isArray;var D=Object.keys,c=function(a){return new l(a)};if(typeof exports!=="undefined")exports._=c;o._=c;c.VERSION="1.1.2";var j=c.each=c.forEach=function(a,b,d){try{if(s&&a.forEach===s)a.forEach(b,d);else if(c.isNumber(a.length))for(var e=
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0,f=a.length;e<f;e++)b.call(d,a[e],e,a);else for(e in a)p.call(a,e)&&b.call(d,a[e],e,a)}catch(g){if(g!=r)throw g;}return a};c.map=function(a,b,d){if(t&&a.map===t)return a.map(b,d);var e=[];j(a,function(f,g,h){e[e.length]=b.call(d,f,g,h)});return e};c.reduce=c.foldl=c.inject=function(a,b,d,e){var f=d!==void 0;if(u&&a.reduce===u){if(e)b=c.bind(b,e);return f?a.reduce(b,d):a.reduce(b)}j(a,function(g,h,E){d=!f&&h===0?g:b.call(e,d,g,h,E)});return d};c.reduceRight=c.foldr=function(a,b,d,e){if(v&&a.reduceRight===
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v){if(e)b=c.bind(b,e);return d!==void 0?a.reduceRight(b,d):a.reduceRight(b)}a=(c.isArray(a)?a.slice():c.toArray(a)).reverse();return c.reduce(a,b,d,e)};c.find=c.detect=function(a,b,d){var e;j(a,function(f,g,h){if(b.call(d,f,g,h)){e=f;c.breakLoop()}});return e};c.filter=c.select=function(a,b,d){if(w&&a.filter===w)return a.filter(b,d);var e=[];j(a,function(f,g,h){if(b.call(d,f,g,h))e[e.length]=f});return e};c.reject=function(a,b,d){var e=[];j(a,function(f,g,h){b.call(d,f,g,h)||(e[e.length]=f)});return e};
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c.every=c.all=function(a,b,d){b=b||c.identity;if(x&&a.every===x)return a.every(b,d);var e=true;j(a,function(f,g,h){(e=e&&b.call(d,f,g,h))||c.breakLoop()});return e};c.some=c.any=function(a,b,d){b=b||c.identity;if(y&&a.some===y)return a.some(b,d);var e=false;j(a,function(f,g,h){if(e=b.call(d,f,g,h))c.breakLoop()});return e};c.include=c.contains=function(a,b){if(n&&a.indexOf===n)return a.indexOf(b)!=-1;var d=false;j(a,function(e){if(d=e===b)c.breakLoop()});return d};c.invoke=function(a,b){var d=i.call(arguments,
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2);return c.map(a,function(e){return(b?e[b]:e).apply(e,d)})};c.pluck=function(a,b){return c.map(a,function(d){return d[b]})};c.max=function(a,b,d){if(!b&&c.isArray(a))return Math.max.apply(Math,a);var e={computed:-Infinity};j(a,function(f,g,h){g=b?b.call(d,f,g,h):f;g>=e.computed&&(e={value:f,computed:g})});return e.value};c.min=function(a,b,d){if(!b&&c.isArray(a))return Math.min.apply(Math,a);var e={computed:Infinity};j(a,function(f,g,h){g=b?b.call(d,f,g,h):f;g<e.computed&&(e={value:f,computed:g})});
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return e.value};c.sortBy=function(a,b,d){return c.pluck(c.map(a,function(e,f,g){return{value:e,criteria:b.call(d,e,f,g)}}).sort(function(e,f){var g=e.criteria,h=f.criteria;return g<h?-1:g>h?1:0}),"value")};c.sortedIndex=function(a,b,d){d=d||c.identity;for(var e=0,f=a.length;e<f;){var g=e+f>>1;d(a[g])<d(b)?e=g+1:f=g}return e};c.toArray=function(a){if(!a)return[];if(a.toArray)return a.toArray();if(c.isArray(a))return a;if(c.isArguments(a))return i.call(a);return c.values(a)};c.size=function(a){return c.toArray(a).length};
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c.first=c.head=function(a,b,d){return b&&!d?i.call(a,0,b):a[0]};c.rest=c.tail=function(a,b,d){return i.call(a,c.isUndefined(b)||d?1:b)};c.last=function(a){return a[a.length-1]};c.compact=function(a){return c.filter(a,function(b){return!!b})};c.flatten=function(a){return c.reduce(a,function(b,d){if(c.isArray(d))return b.concat(c.flatten(d));b[b.length]=d;return b},[])};c.without=function(a){var b=i.call(arguments,1);return c.filter(a,function(d){return!c.include(b,d)})};c.uniq=c.unique=function(a,
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b){return c.reduce(a,function(d,e,f){if(0==f||(b===true?c.last(d)!=e:!c.include(d,e)))d[d.length]=e;return d},[])};c.intersect=function(a){var b=i.call(arguments,1);return c.filter(c.uniq(a),function(d){return c.every(b,function(e){return c.indexOf(e,d)>=0})})};c.zip=function(){for(var a=i.call(arguments),b=c.max(c.pluck(a,"length")),d=Array(b),e=0;e<b;e++)d[e]=c.pluck(a,""+e);return d};c.indexOf=function(a,b){if(n&&a.indexOf===n)return a.indexOf(b);for(var d=0,e=a.length;d<e;d++)if(a[d]===b)return d;
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return-1};c.lastIndexOf=function(a,b){if(z&&a.lastIndexOf===z)return a.lastIndexOf(b);for(var d=a.length;d--;)if(a[d]===b)return d;return-1};c.range=function(a,b,d){var e=i.call(arguments),f=e.length<=1;a=f?0:e[0];b=f?e[0]:e[1];d=e[2]||1;e=Math.max(Math.ceil((b-a)/d),0);f=0;for(var g=Array(e);f<e;){g[f++]=a;a+=d}return g};c.bind=function(a,b){var d=i.call(arguments,2);return function(){return a.apply(b||{},d.concat(i.call(arguments)))}};c.bindAll=function(a){var b=i.call(arguments,1);if(b.length==
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0)b=c.functions(a);j(b,function(d){a[d]=c.bind(a[d],a)});return a};c.memoize=function(a,b){var d={};b=b||c.identity;return function(){var e=b.apply(this,arguments);return e in d?d[e]:d[e]=a.apply(this,arguments)}};c.delay=function(a,b){var d=i.call(arguments,2);return setTimeout(function(){return a.apply(a,d)},b)};c.defer=function(a){return c.delay.apply(c,[a,1].concat(i.call(arguments,1)))};c.wrap=function(a,b){return function(){var d=[a].concat(i.call(arguments));return b.apply(b,d)}};c.compose=
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function(){var a=i.call(arguments);return function(){for(var b=i.call(arguments),d=a.length-1;d>=0;d--)b=[a[d].apply(this,b)];return b[0]}};c.keys=D||function(a){if(c.isArray(a))return c.range(0,a.length);var b=[],d;for(d in a)if(p.call(a,d))b[b.length]=d;return b};c.values=function(a){return c.map(a,c.identity)};c.functions=c.methods=function(a){return c.filter(c.keys(a),function(b){return c.isFunction(a[b])}).sort()};c.extend=function(a){j(i.call(arguments,1),function(b){for(var d in b)a[d]=b[d]});
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return a};c.clone=function(a){return c.isArray(a)?a.slice():c.extend({},a)};c.tap=function(a,b){b(a);return a};c.isEqual=function(a,b){if(a===b)return true;var d=typeof a;if(d!=typeof b)return false;if(a==b)return true;if(!a&&b||a&&!b)return false;if(a.isEqual)return a.isEqual(b);if(c.isDate(a)&&c.isDate(b))return a.getTime()===b.getTime();if(c.isNaN(a)&&c.isNaN(b))return false;if(c.isRegExp(a)&&c.isRegExp(b))return a.source===b.source&&a.global===b.global&&a.ignoreCase===b.ignoreCase&&a.multiline===
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b.multiline;if(d!=="object")return false;if(a.length&&a.length!==b.length)return false;d=c.keys(a);var e=c.keys(b);if(d.length!=e.length)return false;for(var f in a)if(!(f in b)||!c.isEqual(a[f],b[f]))return false;return true};c.isEmpty=function(a){if(c.isArray(a)||c.isString(a))return a.length===0;for(var b in a)if(p.call(a,b))return false;return true};c.isElement=function(a){return!!(a&&a.nodeType==1)};c.isArray=m||function(a){return!!(a&&a.concat&&a.unshift&&!a.callee)};c.isArguments=function(a){return!!(a&&
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a.callee)};c.isFunction=function(a){return!!(a&&a.constructor&&a.call&&a.apply)};c.isString=function(a){return!!(a===""||a&&a.charCodeAt&&a.substr)};c.isNumber=function(a){return a===+a||C.call(a)==="[object Number]"};c.isBoolean=function(a){return a===true||a===false};c.isDate=function(a){return!!(a&&a.getTimezoneOffset&&a.setUTCFullYear)};c.isRegExp=function(a){return!!(a&&a.test&&a.exec&&(a.ignoreCase||a.ignoreCase===false))};c.isNaN=function(a){return c.isNumber(a)&&isNaN(a)};c.isNull=function(a){return a===
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null};c.isUndefined=function(a){return typeof a=="undefined"};c.noConflict=function(){o._=A;return this};c.identity=function(a){return a};c.times=function(a,b,d){for(var e=0;e<a;e++)b.call(d,e)};c.breakLoop=function(){throw r;};c.mixin=function(a){j(c.functions(a),function(b){F(b,c[b]=a[b])})};var G=0;c.uniqueId=function(a){var b=G++;return a?a+b:b};c.templateSettings={evaluate:/<%([\s\S]+?)%>/g,interpolate:/<%=([\s\S]+?)%>/g};c.template=function(a,b){var d=c.templateSettings;d="var __p=[],print=function(){__p.push.apply(__p,arguments);};with(obj||{}){__p.push('"+
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a.replace(/\\/g,"\\\\").replace(/'/g,"\\'").replace(d.interpolate,function(e,f){return"',"+f.replace(/\\'/g,"'")+",'"}).replace(d.evaluate||null,function(e,f){return"');"+f.replace(/\\'/g,"'").replace(/[\r\n\t]/g," ")+"__p.push('"}).replace(/\r/g,"\\r").replace(/\n/g,"\\n").replace(/\t/g,"\\t")+"');}return __p.join('');";d=new Function("obj",d);return b?d(b):d};var l=function(a){this._wrapped=a};c.prototype=l.prototype;var q=function(a,b){return b?c(a).chain():a},F=function(a,b){l.prototype[a]=function(){var d=
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i.call(arguments);B.call(d,this._wrapped);return q(b.apply(c,d),this._chain)}};c.mixin(c);j(["pop","push","reverse","shift","sort","splice","unshift"],function(a){var b=k[a];l.prototype[a]=function(){b.apply(this._wrapped,arguments);return q(this._wrapped,this._chain)}});j(["concat","join","slice"],function(a){var b=k[a];l.prototype[a]=function(){return q(b.apply(this._wrapped,arguments),this._chain)}});l.prototype.chain=function(){this._chain=true;return this};l.prototype.value=function(){return this._wrapped}})();
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