polyfills.js 5.1 KB

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  1. // Array.prototype.indexOf polyfill
  2. if (!Array.prototype.indexOf){
  3. Array.prototype.indexOf = function(searchElement /*, fromIndex */)
  4. {
  5. "use strict";
  6. if (this === void 0 || this === null)
  7. throw new TypeError();
  8. var t = Object(this);
  9. var len = t.length >>> 0;
  10. if (len === 0)
  11. return -1;
  12. var n = 0;
  13. if (arguments.length > 0)
  14. {
  15. n = Number(arguments[1]);
  16. if (n !== n) // shortcut for verifying if it's NaN
  17. n = 0;
  18. else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0))
  19. n = (n > 0 || -1) * Math.floor(Math.abs(n));
  20. }
  21. if (n >= len)
  22. return -1;
  23. var k = n >= 0
  24. ? n
  25. : Math.max(len - Math.abs(n), 0);
  26. for (; k < len; k++)
  27. {
  28. if (k in t && t[k] === searchElement)
  29. return k;
  30. }
  31. return -1;
  32. };
  33. }
  34. // Object.keys()
  35. if (!Object.keys) Object.keys = function(o){
  36. if (o !== Object(o)) throw new TypeError('Object.keys called on non-object');
  37. var ret=[], p;
  38. for (p in o) if(Object.prototype.hasOwnProperty.call(o,p)) ret.push(p);
  39. return ret;
  40. };
  41. if (!Array.prototype.map)
  42. {
  43. Array.prototype.map = function(fun /*, thisp */)
  44. {
  45. "use strict";
  46. if (this === void 0 || this === null)
  47. throw new TypeError();
  48. var t = Object(this);
  49. var len = t.length >>> 0;
  50. if (typeof fun !== "function")
  51. throw new TypeError();
  52. var res = new Array(len);
  53. var thisp = arguments[1];
  54. for (var i = 0; i < len; i++)
  55. {
  56. if (i in t)
  57. res[i] = fun.call(thisp, t[i], i, t);
  58. }
  59. return res;
  60. };
  61. }
  62. /*!
  63. http://www.JSON.org/json2.js
  64. 2011-10-19
  65. Public Domain.
  66. NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
  67. See http://www.JSON.org/js.html
  68. This code should be minified before deployment.
  69. See http://javascript.crockford.com/jsmin.html
  70. */
  71. var JSON;if(!JSON){JSON={}}(function(){function f(n){return n<10?"0"+n:n}if(typeof Date.prototype.toJSON!=="function"){Date.prototype.toJSON=function(key){return isFinite(this.valueOf())?this.getUTCFullYear()+"-"+f(this.getUTCMonth()+1)+"-"+f(this.getUTCDate())+"T"+f(this.getUTCHours())+":"+f(this.getUTCMinutes())+":"+f(this.getUTCSeconds())+"Z":null};String.prototype.toJSON=Number.prototype.toJSON=Boolean.prototype.toJSON=function(key){return this.valueOf()}}var cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,escapable=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,gap,indent,meta={"\b":"\\b","\t":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},rep;function quote(string){escapable.lastIndex=0;return escapable.test(string)?'"'+string.replace(escapable,function(a){var c=meta[a];return typeof c==="string"?c:"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})+'"':'"'+string+'"'}function str(key,holder){var i,k,v,length,mind=gap,partial,value=holder[key];if(value&&typeof value==="object"&&typeof value.toJSON==="function"){value=value.toJSON(key)}if(typeof rep==="function"){value=rep.call(holder,key,value)}switch(typeof value){case"string":return quote(value);case"number":return isFinite(value)?String(value):"null";case"boolean":case"null":return String(value);case"object":if(!value){return"null"}gap+=indent;partial=[];if(Object.prototype.toString.apply(value)==="[object Array]"){length=value.length;for(i=0;i<length;i+=1){partial[i]=str(i,value)||"null"}v=partial.length===0?"[]":gap?"[\n"+gap+partial.join(",\n"+gap)+"\n"+mind+"]":"["+partial.join(",")+"]";gap=mind;return v}if(rep&&typeof rep==="object"){length=rep.length;for(i=0;i<length;i+=1){if(typeof rep[i]==="string"){k=rep[i];v=str(k,value);if(v){partial.push(quote(k)+(gap?": ":":")+v)}}}}else{for(k in value){if(Object.prototype.hasOwnProperty.call(value,k)){v=str(k,value);if(v){partial.push(quote(k)+(gap?": ":":")+v)}}}}v=partial.length===0?"{}":gap?"{\n"+gap+partial.join(",\n"+gap)+"\n"+mind+"}":"{"+partial.join(",")+"}";gap=mind;return v}}if(typeof JSON.stringify!=="function"){JSON.stringify=function(value,replacer,space){var i;gap="";indent="";if(typeof space==="number"){for(i=0;i<space;i+=1){indent+=" "}}else{if(typeof space==="string"){indent=space}}rep=replacer;if(replacer&&typeof replacer!=="function"&&(typeof replacer!=="object"||typeof replacer.length!=="number")){throw new Error("JSON.stringify")}return str("",{"":value})}}if(typeof JSON.parse!=="function"){JSON.parse=function(text,reviver){var j;function walk(holder,key){var k,v,value=holder[key];if(value&&typeof value==="object"){for(k in value){if(Object.prototype.hasOwnProperty.call(value,k)){v=walk(value,k);if(v!==undefined){value[k]=v}else{delete value[k]}}}}return reviver.call(holder,key,value)}text=String(text);cx.lastIndex=0;if(cx.test(text)){text=text.replace(cx,function(a){return"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})}if(/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,"@").replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,"]").replace(/(?:^|:|,)(?:\s*\[)+/g,""))){j=eval("("+text+")");return typeof reviver==="function"?walk({"":j},""):j}throw new SyntaxError("JSON.parse")}}}());