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34 lines
13 KiB
JavaScript
34 lines
13 KiB
JavaScript
// Underscore.js 1.3.3
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// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
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// Underscore may be freely distributed 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 s=this,M=s._,o={},k=Array.prototype,p=Object.prototype,t=k.push,f=k.slice,q=k.concat,l=p.toString,N=p.hasOwnProperty,z=k.forEach,A=k.map,B=k.reduce,C=k.reduceRight,D=k.filter,E=k.every,F=k.some,r=k.indexOf,G=k.lastIndexOf,p=Array.isArray,O=Object.keys,u=Function.prototype.bind,b=function(a){if(a instanceof b)return a;if(!(this instanceof b))return new b(a);this._wrapped=a};"undefined"!==typeof exports?("undefined"!==typeof module&&module.exports&&(exports=module.exports=b),exports._=
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b):s._=b;b.VERSION="1.3.3";var j=b.each=b.forEach=function(a,c,d){if(a!=null)if(z&&a.forEach===z)a.forEach(c,d);else if(a.length===+a.length)for(var e=0,h=a.length;e<h;e++){if(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(A&&a.map===A)return a.map(c,b);j(a,function(a,g,i){e[e.length]=c.call(b,a,g,i)});return e};b.reduce=b.foldl=b.inject=function(a,c,d,e){var h=arguments.length>2;a==null&&(a=
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[]);if(B&&a.reduce===B){e&&(c=b.bind(c,e));return h?a.reduce(c,d):a.reduce(c)}j(a,function(a,b,f){if(h)d=c.call(e,d,a,b,f);else{d=a;h=true}});if(!h)throw new TypeError("Reduce of empty array with no initial value");return d};b.reduceRight=b.foldr=function(a,c,d,e){var h=arguments.length>2;a==null&&(a=[]);if(C&&a.reduceRight===C){e&&(c=b.bind(c,e));return h?a.reduceRight(c,d):a.reduceRight(c)}var g=b.toArray(a).reverse();e&&!h&&(c=b.bind(c,e));return h?b.reduce(g,c,d,e):b.reduce(g,c)};b.find=b.detect=
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function(a,c,b){var e;H(a,function(a,g,i){if(c.call(b,a,g,i)){e=a;return true}});return e};b.filter=b.select=function(a,c,b){var e=[];if(a==null)return e;if(D&&a.filter===D)return a.filter(c,b);j(a,function(a,g,i){c.call(b,a,g,i)&&(e[e.length]=a)});return e};b.reject=function(a,c,b){var e=[];if(a==null)return e;j(a,function(a,g,i){c.call(b,a,g,i)||(e[e.length]=a)});return e};b.every=b.all=function(a,c,d){c||(c=b.identity);var e=true;if(a==null)return e;if(E&&a.every===E)return a.every(c,d);j(a,function(a,
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b,i){if(!(e=e&&c.call(d,a,b,i)))return o});return!!e};var H=b.some=b.any=function(a,c,d){c||(c=b.identity);var e=false;if(a==null)return e;if(F&&a.some===F)return a.some(c,d);j(a,function(a,b,i){if(e||(e=c.call(d,a,b,i)))return o});return!!e};b.include=b.contains=function(a,c){var b=false;if(a==null)return b;if(r&&a.indexOf===r)return a.indexOf(c)!=-1;return b=H(a,function(a){return a===c})};b.invoke=function(a,c){var d=f.call(arguments,2);return b.map(a,function(a){return(b.isFunction(c)?c:a[c]).apply(a,
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d)})};b.pluck=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]&&a.length<65535)return Math.max.apply(Math,a);if(!c&&b.isEmpty(a))return-Infinity;var e={computed:-Infinity};j(a,function(a,b,i){b=c?c.call(d,a,b,i):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]&&a.length<65535)return Math.min.apply(Math,a);if(!c&&b.isEmpty(a))return Infinity;var e={computed:Infinity};j(a,
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function(a,b,i){b=c?c.call(d,a,b,i):a;b<e.computed&&(e={value:a,computed:b})});return e.value};b.shuffle=function(a){var c,b=0,e=[];j(a,function(a){c=Math.floor(Math.random()*++b);e[b-1]=e[c];e[c]=a});return e};b.sortBy=function(a,c,d){var e=I(a,c);return b.pluck(b.map(a,function(a,c,b){return{value:a,index:c,criteria:e.call(d,a,c,b)}}).sort(function(a,c){var b=a.criteria,d=c.criteria,e=a.index,f=c.index;return b===d?e<f?-1:1:b===void 0?1:d===void 0?-1:b<d?-1:b>d?1:e<f?-1:1}),"value")};var I=function(a,
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c){return b.isFunction(c)?c:function(a){return a[c]}},J=function(a,c,b){var e={},h=I(a,c);j(a,function(a,c){var f=h(a,c);b(e,f,a)});return e};b.groupBy=function(a,c){return J(a,c,function(a,c,b){(a[c]||(a[c]=[])).push(b)})};b.countBy=function(a,c){return J(a,c,function(a,c){a[c]||(a[c]=0);a[c]++})};b.sortedIndex=function(a,c,d){d||(d=b.identity);for(var c=d(c),e=0,h=a.length;e<h;){var g=e+h>>1;d(a[g])<c?e=g+1:h=g}return e};b.toArray=function(a){return!a?[]:a.length===+a.length?f.call(a):b.values(a)};
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