1/*! 2 * https://github.com/es-shims/es5-shim 3 * @license es5-shim Copyright 2009-2015 by contributors, MIT License 4 * see https://github.com/es-shims/es5-shim/blob/master/LICENSE 5 */ 6 7// vim: ts=4 sts=4 sw=4 expandtab 8 9// Add semicolon to prevent IIFE from being passed as argument to concatenated code. 10; 11 12// UMD (Universal Module Definition) 13// see https://github.com/umdjs/umd/blob/master/templates/returnExports.js 14(function (root, factory) { 15 'use strict'; 16 17 /* global define, exports, module */ 18 if (typeof define === 'function' && define.amd) { 19 // AMD. Register as an anonymous module. 20 define(factory); 21 } else if (typeof exports === 'object') { 22 // Node. Does not work with strict CommonJS, but 23 // only CommonJS-like enviroments that support module.exports, 24 // like Node. 25 module.exports = factory(); 26 } else { 27 // Browser globals (root is window) 28 root.returnExports = factory(); 29 } 30}(this, function () { 31 /** 32 * Brings an environment as close to ECMAScript 5 compliance 33 * as is possible with the facilities of erstwhile engines. 34 * 35 * Annotated ES5: http://es5.github.com/ (specific links below) 36 * ES5 Spec: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf 37 * Required reading: http://javascriptweblog.wordpress.com/2011/12/05/extending-javascript-natives/ 38 */ 39 40 // Shortcut to an often accessed properties, in order to avoid multiple 41 // dereference that costs universally. This also holds a reference to known-good 42 // functions. 43 var $Array = Array; 44 var ArrayPrototype = $Array.prototype; 45 var $Object = Object; 46 var ObjectPrototype = $Object.prototype; 47 var $Function = Function; 48 var FunctionPrototype = $Function.prototype; 49 var $String = String; 50 var StringPrototype = $String.prototype; 51 var $Number = Number; 52 var NumberPrototype = $Number.prototype; 53 var array_slice = ArrayPrototype.slice; 54 var array_splice = ArrayPrototype.splice; 55 var array_push = ArrayPrototype.push; 56 var array_unshift = ArrayPrototype.unshift; 57 var array_concat = ArrayPrototype.concat; 58 var array_join = ArrayPrototype.join; 59 var call = FunctionPrototype.call; 60 var apply = FunctionPrototype.apply; 61 var max = Math.max; 62 var min = Math.min; 63 64 // Having a toString local variable name breaks in Opera so use to_string. 65 var to_string = ObjectPrototype.toString; 66 67 /* global Symbol */ 68 /* eslint-disable one-var-declaration-per-line, no-redeclare, max-statements-per-line */ 69 var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; 70 var isCallable; /* inlined from https://npmjs.com/is-callable */ var fnToStr = Function.prototype.toString, constructorRegex = /^\s*class /, isES6ClassFn = function isES6ClassFn(value) { try { var fnStr = fnToStr.call(value); var singleStripped = fnStr.replace(/\/\/.*\n/g, ''); var multiStripped = singleStripped.replace(/\/\*[.\s\S]*\*\//g, ''); var spaceStripped = multiStripped.replace(/\n/mg, ' ').replace(/ {2}/g, ' '); return constructorRegex.test(spaceStripped); } catch (e) { return false; /* not a function */ } }, tryFunctionObject = function tryFunctionObject(value) { try { if (isES6ClassFn(value)) { return false; } fnToStr.call(value); return true; } catch (e) { return false; } }, fnClass = '[object Function]', genClass = '[object GeneratorFunction]', isCallable = function isCallable(value) { if (!value) { return false; } if (typeof value !== 'function' && typeof value !== 'object') { return false; } if (hasToStringTag) { return tryFunctionObject(value); } if (isES6ClassFn(value)) { return false; } var strClass = to_string.call(value); return strClass === fnClass || strClass === genClass; }; 71 72 var isRegex; /* inlined from https://npmjs.com/is-regex */ var regexExec = RegExp.prototype.exec, tryRegexExec = function tryRegexExec(value) { try { regexExec.call(value); return true; } catch (e) { return false; } }, regexClass = '[object RegExp]'; isRegex = function isRegex(value) { if (typeof value !== 'object') { return false; } return hasToStringTag ? tryRegexExec(value) : to_string.call(value) === regexClass; }; 73 var isString; /* inlined from https://npmjs.com/is-string */ var strValue = String.prototype.valueOf, tryStringObject = function tryStringObject(value) { try { strValue.call(value); return true; } catch (e) { return false; } }, stringClass = '[object String]'; isString = function isString(value) { if (typeof value === 'string') { return true; } if (typeof value !== 'object') { return false; } return hasToStringTag ? tryStringObject(value) : to_string.call(value) === stringClass; }; 74 /* eslint-enable one-var-declaration-per-line, no-redeclare, max-statements-per-line */ 75 76 /* inlined from http://npmjs.com/define-properties */ 77 var supportsDescriptors = $Object.defineProperty && (function () { 78 try { 79 var obj = {}; 80 $Object.defineProperty(obj, 'x', { enumerable: false, value: obj }); 81 for (var _ in obj) { // jscs:ignore disallowUnusedVariables 82 return false;
83 } 84 return obj.x === obj; 85 } catch (e) { /* this is ES3 */ 86 return false; 87 } 88 }()); 89 var defineProperties = (function (has) { 90 // Define configurable, writable, and non-enumerable props 91 // if they don't exist. 92 var defineProperty; 93 if (supportsDescriptors) { 94 defineProperty = function (object, name, method, forceAssign) { 95 if (!forceAssign && (name in object)) { 96 return; 97 } 98 $Object.defineProperty(object, name, { 99 configurable: true, 100 enumerable: false, 101 writable: true, 102 value: method 103 }); 104 }; 105 } else { 106 defineProperty = function (object, name, method, forceAssign) { 107 if (!forceAssign && (name in object)) { 108 return; 109 } 110 object[name] = method; 111 }; 112 } 113 return function defineProperties(object, map, forceAssign) { 114 for (var name in map) { 115 if (has.call(map, name)) { 116 defineProperty(object, name, map[name], forceAssign); 117 } 118 } 119 }; 120 }(ObjectPrototype.hasOwnProperty)); 121 122 // 123 // Util 124 // ====== 125 // 126 127 /* replaceable with https://npmjs.com/package/es-abstract /helpers/isPrimitive */ 128 var isPrimitive = function isPrimitive(input) { 129 var type = typeof input; 130 return input === null || (type !== 'object' && type !== 'function'); 131 }; 132 133 var isActualNaN = $Number.isNaN || function isActualNaN(x) { 134 return x !== x; 135 }; 136 137 var ES = { 138 // ES5 9.4 139 // http://es5.github.com/#x9.4 140 // http://jsperf.com/to-integer 141 /* replaceable with https://npmjs.com/package/es-abstract ES5.ToInteger */ 142 ToInteger: function ToInteger(num) { 143 var n = +num; 144 if (isActualNaN(n)) { 145 n = 0; 146 } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) { 147 n = (n > 0 || -1) * Math.floor(Math.abs(n)); 148 } 149 return n; 150 }, 151 152 /* replaceable with https://npmjs.com/package/es-abstract ES5.ToPrimitive */ 153 ToPrimitive: function ToPrimitive(input) { 154 var val, valueOf, toStr; 155 if (isPrimitive(input)) { 156 return input; 157 } 158 valueOf = input.valueOf; 159 if (isCallable(valueOf)) { 160 val = valueOf.call(input); 161 if (isPrimitive(val)) { 162 return val; 163 } 164 } 165 toStr = input.toString; 166 if (isCallable(toStr)) { 167 val = toStr.call(input); 168 if (isPrimitive(val)) { 169 return val; 170 } 171 } 172 throw new TypeError(); 173 }, 174 175 // ES5 9.9 176 // http://es5.github.com/#x9.9 177 /* replaceable with https://npmjs.com/package/es-abstract ES5.ToObject */ 178 ToObject: function (o) { 179 if (o == null) { // this matches both null and undefined 180 throw new TypeError("can't convert " + o + ' to object'); 181 } 182 return $Object(o); 183 }, 184 185 /* replaceable with https://npmjs.com/package/es-abstract ES5.ToUint32 */ 186 ToUint32: function ToUint32(x) { 187 return x >>> 0; 188 } 189 }; 190 191 // 192 // Function 193 // ======== 194 // 195 196 // ES-5 15.3.4.5 197 // http://es5.github.com/#x15.3.4.5 198 199 var Empty = function Empty() {}; 200 201 defineProperties(FunctionPrototype, { 202 bind: function bind(that) { // .length is 1 203 // 1. Let Target be the this value. 204 var target = this; 205 // 2. If IsCallable(Target) is false, throw a TypeError exception. 206 if (!isCallable(target)) { 207 throw new TypeError('Function.prototype.bind called on incompatible ' + target); 208 } 209 // 3. Let A be a new (possibly empty) internal list of all of the 210 // argument values provided after thisArg (arg1, arg2 etc), in order. 211 // XXX slicedArgs will stand in for "A" if used 212 var args = array_slice.call(arguments, 1); // for normal call 213 // 4. Let F be a new native ECMAScript object. 214 // 11. Set the [[Prototype]] internal property of F to the standard 215 // built-in Function prototype object as specified in 15.3.3.1. 216 // 12. Set the [[Call]] internal property of F as described
216in 217 // 15.3.4.5.1. 218 // 13. Set the [[Construct]] internal property of F as described in 219 // 15.3.4.5.2. 220 // 14. Set the [[HasInstance]] internal property of F as described in 221 // 15.3.4.5.3. 222 var bound; 223 var binder = function () { 224 225 if (this instanceof bound) { 226 // 15.3.4.5.2 [[Construct]] 227 // When the [[Construct]] internal method of a function object, 228 // F that was created using the bind function is called with a 229 // list of arguments ExtraArgs, the following steps are taken: 230 // 1. Let target be the value of F's [[TargetFunction]] 231 // internal property. 232 // 2. If target has no [[Construct]] internal method, a 233 // TypeError exception is thrown. 234 // 3. Let boundArgs be the value of F's [[BoundArgs]] internal 235 // property. 236 // 4. Let args be a new list containing the same values as the 237 // list boundArgs in the same order followed by the same 238 // values as the list ExtraArgs in the same order. 239 // 5. Return the result of calling the [[Construct]] internal 240 // method of target providing args as the arguments. 241 242 var result = apply.call( 243 target, 244 this, 245 array_concat.call(args, array_slice.call(arguments)) 246 ); 247 if ($Object(result) === result) { 248 return result; 249 } 250 return this; 251 252 } else { 253 // 15.3.4.5.1 [[Call]] 254 // When the [[Call]] internal method of a function object, F, 255 // which was created using the bind function is called with a 256 // this value and a list of arguments ExtraArgs, the following 257 // steps are taken: 258 // 1. Let boundArgs be the value of F's [[BoundArgs]] internal 259 // property. 260 // 2. Let boundThis be the value of F's [[BoundThis]] internal 261 // property. 262 // 3. Let target be the value of F's [[TargetFunction]] internal 263 // property. 264 // 4. Let args be a new list containing the same values as the 265 // list boundArgs in the same order followed by the same 266 // values as the list ExtraArgs in the same order. 267 // 5. Return the result of calling the [[Call]] internal method 268 // of target providing boundThis as the this value and 269 // providing args as the arguments. 270 271 // equiv: target.call(this, ...boundArgs, ...args) 272 return apply.call( 273 target, 274 that, 275 array_concat.call(args, array_slice.call(arguments)) 276 ); 277 278 } 279 280 }; 281 282 // 15. If the [[Class]] internal property of Target is "Function", then 283 // a. Let L be the length property of Target minus the length of A. 284 // b. Set the length own property of F to either 0 or L, whichever is 285 // larger. 286 // 16. Else set the length own property of F to 0. 287 288 var boundLength = max(0, target.length - args.length); 289 290 // 17. Set the attributes of the length own property of F to the values 291 // specified in 15.3.5.1. 292 var boundArgs = []; 293 for (var i = 0; i < boundLength; i++) { 294 array_push.call(boundArgs, '$' + i); 295 } 296 297 // XXX Build a dynamic function with desired amount of arguments is the only 298 // way to set the length property of a function. 299 // In environments where Content Security Policies enabled (Chrome extensions, 300 // for ex.) all use of eval or Function costructor throws an exception. 301 // However in all of these environments Function.prototype.bind exists
302 // and so this code will never be executed. 303 bound = $Function('binder', 'return function (' + array_join.call(boundArgs, ',') + '){ return binder.apply(this, arguments); }')(binder); 304 305 if (target.prototype) { 306 Empty.prototype = target.prototype; 307 bound.prototype = new Empty(); 308 // Clean up dangling references. 309 Empty.prototype = null; 310 } 311 312 // TODO 313 // 18. Set the [[Extensible]] internal property of F to true. 314 315 // TODO 316 // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3). 317 // 20. Call the [[DefineOwnProperty]] internal method of F with 318 // arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]: 319 // thrower, [[Enumerable]]: false, [[Configurable]]: false}, and 320 // false. 321 // 21. Call the [[DefineOwnProperty]] internal method of F with 322 // arguments "arguments", PropertyDescriptor {[[Get]]: thrower, 323 // [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false}, 324 // and false. 325 326 // TODO 327 // NOTE Function objects created using Function.prototype.bind do not 328 // have a prototype property or the [[Code]], [[FormalParameters]], and 329 // [[Scope]] internal properties. 330 // XXX can't delete prototype in pure-js. 331 332 // 22. Return F. 333 return bound; 334 } 335 }); 336 337 // _Please note: Shortcuts are defined after `Function.prototype.bind` as we 338 // use it in defining shortcuts. 339 var owns = call.bind(ObjectPrototype.hasOwnProperty); 340 var toStr = call.bind(ObjectPrototype.toString); 341 var arraySlice = call.bind(array_slice); 342 var arraySliceApply = apply.bind(array_slice); 343 var strSlice = call.bind(StringPrototype.slice); 344 var strSplit = call.bind(StringPrototype.split); 345 var strIndexOf = call.bind(StringPrototype.indexOf); 346 var pushCall = call.bind(array_push); 347 var isEnum = call.bind(ObjectPrototype.propertyIsEnumerable); 348 var arraySort = call.bind(ArrayPrototype.sort); 349 350 // 351 // Array 352 // ===== 353 // 354 355 var isArray = $Array.isArray || function isArray(obj) { 356 return toStr(obj) === '[object Array]'; 357 }; 358 359 // ES5 15.4.4.12 360 // http://es5.github.com/#x15.4.4.13 361 // Return len+argCount. 362 // [bugfix, ielt8] 363 // IE < 8 bug: [].unshift(0) === undefined but should be "1" 364 var hasUnshiftReturnValueBug = [].unshift(0) !== 1; 365 defineProperties(ArrayPrototype, { 366 unshift: function () { 367 array_unshift.apply(this, arguments); 368 return this.length; 369 } 370 }, hasUnshiftReturnValueBug); 371 372 // ES5 15.4.3.2 373 // http://es5.github.com/#x15.4.3.2 374 // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray 375 defineProperties($Array, { isArray: isArray }); 376 377 // The IsCallable() check in the Array functions 378 // has been replaced with a strict check on the 379 // internal class of the object to trap cases where 380 // the provided function was actually a regular 381 // expression literal, which in V8 and 382 // JavaScriptCore is a typeof "function". Only in 383 // V8 are regular expression literals permitted as 384 // reduce parameters, so it is desirable in the 385 // general case for the shim to match the more 386 // strict and common behavior of rejecting regular 387 // expressions. 388 389 // ES5 15.4.4.18 390 // http://es5.github.com/#x15.4.4.18 391 // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/array/forEach 392 393 // Check failure of by-index access of string characters (IE < 9) 394 // and failure of `0 in boxedString` (Rhino) 395 var boxedString = $Object('a'); 396 var splitString = boxedString[0] !== 'a' || !(0 in boxedString); 397 398 var properlyBoxesContext = function properlyBoxed(method) { 399 // Check node 0.6.21 bug where third parameter is not boxed 400 var properlyBoxesNonStrict = true; 401 var properlyBoxesStrict = true; 402 var threwException = false;
403 if (method) { 404 try { 405 method.call('foo', function (_, __, context) { 406 if (typeof context !== 'object') { 407 properlyBoxesNonStrict = false; 408 } 409 }); 410 411 method.call([1], function () { 412 'use strict'; 413 414 properlyBoxesStrict = typeof this === 'string'; 415 }, 'x'); 416 } catch (e) { 417 threwException = true; 418 } 419 } 420 return !!method && !threwException && properlyBoxesNonStrict && properlyBoxesStrict; 421 }; 422 423 defineProperties(ArrayPrototype, { 424 forEach: function forEach(callbackfn/*, thisArg*/) { 425 var object = ES.ToObject(this); 426 var self = splitString && isString(this) ? strSplit(this, '') : object; 427 var i = -1; 428 var length = ES.ToUint32(self.length); 429 var T; 430 if (arguments.length > 1) { 431 T = arguments[1]; 432 } 433 434 // If no callback function or if callback is not a callable function 435 if (!isCallable(callbackfn)) { 436 throw new TypeError('Array.prototype.forEach callback must be a function'); 437 } 438 439 while (++i < length) { 440 if (i in self) { 441 // Invoke the callback function with call, passing arguments: 442 // context, property value, property key, thisArg object 443 if (typeof T === 'undefined') { 444 callbackfn(self[i], i, object); 445 } else { 446 callbackfn.call(T, self[i], i, object); 447 } 448 } 449 } 450 } 451 }, !properlyBoxesContext(ArrayPrototype.forEach)); 452 453 // ES5 15.4.4.19 454 // http://es5.github.com/#x15.4.4.19 455 // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map 456 defineProperties(ArrayPrototype, { 457 map: function map(callbackfn/*, thisArg*/) { 458 var object = ES.ToObject(this); 459 var self = splitString && isString(this) ? strSplit(this, '') : object; 460 var length = ES.ToUint32(self.length); 461 var result = $Array(length); 462 var T; 463 if (arguments.length > 1) { 464 T = arguments[1]; 465 } 466 467 // If no callback function or if callback is not a callable function 468 if (!isCallable(callbackfn)) { 469 throw new TypeError('Array.prototype.map callback must be a function'); 470 } 471 472 for (var i = 0; i < length; i++) { 473 if (i in self) { 474 if (typeof T === 'undefined') { 475 result[i] = callbackfn(self[i], i, object); 476 } else { 477 result[i] = callbackfn.call(T, self[i], i, object); 478 } 479 } 480 } 481 return result; 482 } 483 }, !properlyBoxesContext(ArrayPrototype.map)); 484 485 // ES5 15.4.4.20 486 // http://es5.github.com/#x15.4.4.20 487 // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/filter 488 defineProperties(ArrayPrototype, { 489 filter: function filter(callbackfn/*, thisArg*/) { 490 var object = ES.ToObject(this); 491 var self = splitString && isString(this) ? strSplit(this, '') : object; 492 var length = ES.ToUint32(self.length); 493 var result = []; 494 var value; 495 var T; 496 if (arguments.length > 1) { 497 T = arguments[1]; 498 } 499 500 // If no callback function or if callback is not a callable function 501 if (!isCallable(callbackfn)) { 502 throw new TypeError('Array.prototype.filter callback must be a function'); 503 } 504 505 for (var i = 0; i < length; i++) { 506 if (i in self) { 507 value = self[i]; 508 if (typeof T === 'undefined' ? callbackfn(value, i, object) : callbackfn.call(T, value, i, object)) { 509 pushCall(result, value); 510 } 511 } 512 } 513 return result; 514 } 515 }, !properlyBoxesContext(ArrayPrototype.filter)); 516 517 // ES5 15.4.4.16 518 // http://es5.github.com/#x15.4.4.16 519 // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every 520 defineProperties(ArrayPrototype, { 521 every: function every(callbackfn/*, thisArg*/) { 522 var object = ES.ToObject(this); 523 var self = splitString && isString(this) ? strSplit(this, '') : object; 524 var length = ES.ToUint32(self.length); 525 var T; 526 if (arguments.length > 1) { 527 T = arguments[1]; 528 } 529 530 // If no callback function or if callback is not a callable function 531 if (!isCallable(callbackfn)) { 532 throw new TypeError('Array.prototype.every callback must be a function'); 533 } 534 535 for (var i = 0; i < length; i++) { 536 if (i in self && !(typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) { 537 return false;
538 } 539 } 540 return true; 541 } 542 }, !properlyBoxesContext(ArrayPrototype.every)); 543 544 // ES5 15.4.4.17 545 // http://es5.github.com/#x15.4.4.17 546 // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some 547 defineProperties(ArrayPrototype, { 548 some: function some(callbackfn/*, thisArg */) { 549 var object = ES.ToObject(this); 550 var self = splitString && isString(this) ? strSplit(this, '') : object; 551 var length = ES.ToUint32(self.length); 552 var T; 553 if (arguments.length > 1) { 554 T = arguments[1]; 555 } 556 557 // If no callback function or if callback is not a callable function 558 if (!isCallable(callbackfn)) { 559 throw new TypeError('Array.prototype.some callback must be a function'); 560 } 561 562 for (var i = 0; i < length; i++) { 563 if (i in self && (typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) { 564 return true; 565 } 566 } 567 return false; 568 } 569 }, !properlyBoxesContext(ArrayPrototype.some)); 570 571 // ES5 15.4.4.21 572 // http://es5.github.com/#x15.4.4.21 573 // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduce 574 var reduceCoercesToObject = false; 575 if (ArrayPrototype.reduce) { 576 reduceCoercesToObject = typeof ArrayPrototype.reduce.call('es5', function (_, __, ___, list) { 577 return list; 578 }) === 'object'; 579 } 580 defineProperties(ArrayPrototype, { 581 reduce: function reduce(callbackfn/*, initialValue*/) { 582 var object = ES.ToObject(this); 583 var self = splitString && isString(this) ? strSplit(this, '') : object; 584 var length = ES.ToUint32(self.length); 585 586 // If no callback function or if callback is not a callable function 587 if (!isCallable(callbackfn)) { 588 throw new TypeError('Array.prototype.reduce callback must be a function'); 589 } 590 591 // no value to return if no initial value and an empty array 592 if (length === 0 && arguments.length === 1) { 593 throw new TypeError('reduce of empty array with no initial value'); 594 } 595 596 var i = 0; 597 var result; 598 if (arguments.length >= 2) { 599 result = arguments[1]; 600 } else { 601 do { 602 if (i in self) { 603 result = self[i++]; 604 break; 605 } 606 607 // if array contains no values, no initial value to return 608 if (++i >= length) { 609 throw new TypeError('reduce of empty array with no initial value'); 610 } 611 } while (true); 612 } 613 614 for (; i < length; i++) { 615 if (i in self) { 616 result = callbackfn(result, self[i], i, object); 617 } 618 } 619 620 return result; 621 } 622 }, !reduceCoercesToObject); 623 624 // ES5 15.4.4.22 625 // http://es5.github.com/#x15.4.4.22 626 // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduceRight 627 var reduceRightCoercesToObject = false; 628 if (ArrayPrototype.reduceRight) { 629 reduceRightCoercesToObject = typeof ArrayPrototype.reduceRight.call('es5', function (_, __, ___, list) { 630 return list; 631 }) === 'object'; 632 } 633 defineProperties(ArrayPrototype, { 634 reduceRight: function reduceRight(callbackfn/*, initial*/) { 635 var object = ES.ToObject(this); 636 var self = splitString && isString(this) ? strSplit(this, '') : object; 637 var length = ES.ToUint32(self.length); 638 639 // If no callback function or if callback is not a callable function 640 if (!isCallable(callbackfn)) { 641 throw new TypeError('Array.prototype.reduceRight callback must be a function'); 642 } 643 644 // no value to return if no initial value, empty array 645 if (length === 0 && arguments.length === 1) { 646 throw new TypeError('reduceRight of empty array with
646no initial value'); 647 } 648 649 var result; 650 var i = length - 1; 651 if (arguments.length >= 2) { 652 result = arguments[1]; 653 } else { 654 do { 655 if (i in self) { 656 result = self[i--]; 657 break; 658 } 659 660 // if array contains no values, no initial value to return 661 if (--i < 0) { 662 throw new TypeError('reduceRight of empty array with no initial value'); 663 } 664 } while (true); 665 } 666 667 if (i < 0) { 668 return result; 669 } 670 671 do { 672 if (i in self) { 673 result = callbackfn(result, self[i], i, object); 674 } 675 } while (i--); 676 677 return result; 678 } 679 }, !reduceRightCoercesToObject); 680 681 // ES5 15.4.4.14 682 // http://es5.github.com/#x15.4.4.14 683 // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf 684 var hasFirefox2IndexOfBug = ArrayPrototype.indexOf && [0, 1].indexOf(1, 2) !== -1; 685 defineProperties(ArrayPrototype, { 686 indexOf: function indexOf(searchElement/*, fromIndex */) { 687 var self = splitString && isString(this) ? strSplit(this, '') : ES.ToObject(this); 688 var length = ES.ToUint32(self.length); 689 690 if (length === 0) { 691 return -1; 692 } 693 694 var i = 0; 695 if (arguments.length > 1) { 696 i = ES.ToInteger(arguments[1]); 697 } 698 699 // handle negative indices 700 i = i >= 0 ? i : max(0, length + i); 701 for (; i < length; i++) { 702 if (i in self && self[i] === searchElement) { 703 return i; 704 } 705 } 706 return -1; 707 } 708 }, hasFirefox2IndexOfBug); 709 710 // ES5 15.4.4.15 711 // http://es5.github.com/#x15.4.4.15 712 // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf 713 var hasFirefox2LastIndexOfBug = ArrayPrototype.lastIndexOf && [0, 1].lastIndexOf(0, -3) !== -1; 714 defineProperties(ArrayPrototype, { 715 lastIndexOf: function lastIndexOf(searchElement/*, fromIndex */) { 716 var self = splitString && isString(this) ? strSplit(this, '') : ES.ToObject(this); 717 var length = ES.ToUint32(self.length); 718 719 if (length === 0) { 720 return -1; 721 } 722 var i = length - 1; 723 if (arguments.length > 1) { 724 i = min(i, ES.ToInteger(arguments[1])); 725 } 726 // handle negative indices 727 i = i >= 0 ? i : length - Math.abs(i); 728 for (; i >= 0; i--) { 729 if (i in self && searchElement === self[i]) { 730 return i; 731 } 732 } 733 return -1; 734 } 735 }, hasFirefox2LastIndexOfBug); 736 737 // ES5 15.4.4.12 738 // http://es5.github.com/#x15.4.4.12 739 var spliceNoopReturnsEmptyArray = (function () { 740 var a = [1, 2]; 741 var result = a.splice(); 742 return a.length === 2 && isArray(result) && result.length === 0; 743 }()); 744 defineProperties(ArrayPrototype, { 745 // Safari 5.0 bug where .splice() returns undefined 746 splice: function splice(start, deleteCount) { 747 if (arguments.length === 0) { 748 return []; 749 } else { 750 return array_splice.apply(this, arguments); 751 } 752 } 753 }, !spliceNoopReturnsEmptyArray); 754 755 var spliceWorksWithEmptyObject = (function () { 756 var obj = {}; 757 ArrayPrototype.splice.call(obj, 0, 0, 1); 758 return obj.length === 1; 759 }()); 760 defineProperties(ArrayPrototype, { 761 splice: function splice(start, deleteCount) { 762 if (arguments.length === 0) { 763 return []; 764 } 765 var args = arguments; 766 this.length = max(ES.ToInteger(this.length), 0); 767 if (arguments.length > 0 && typeof deleteCount !== 'number') { 768 args = arraySlice(arguments); 769 if (args.length < 2) { 770 pushCall(args, this.length - start); 771 } else { 772 args[1] = ES.ToInteger(deleteCount); 773 } 774 } 775 return array_splice.apply(this, args); 776 } 777 }, !spliceWorksWithEmptyObject); 778 var spliceWorksWithLargeSparseArrays = (function () { 779 // Per https://github.com/es-shims/es5-shim/issues/295 780 // Safari 7/8 breaks with sparse arrays of size 1e5 or greater 781 var arr = new $Array(1e5); 782 // note: the index MUST be 8 or larger or the test will false pass 783 arr[8] = 'x'; 784 arr.splice(1, 1); 785 // note: this test must be defined *after* the indexOf shim 786 // per https://github.com/es-shims/es5-shim/issues/313 787 return arr.indexOf('x') === 7; 788 }()); 789 var spliceWorksWithSmallSparseArrays = (function () { 790 // Per https://github.com/es-shims/es5-shim/issues/295 791 // Opera 12.15 breaks on this, no idea why. 792 var n = 256; 793 var arr = []; 794 arr[n] = 'a'; 795 arr.splice(n + 1, 0, 'b'); 796 return arr[n] === 'a'; 797 }()); 798 defineProperties(ArrayPrototype, { 799 splice: function splice(start, deleteCount) { 800 var O = ES.ToObject(this); 801 var A = []; 802 var len = ES.ToUint32(O.length); 803 var relativeStart = ES.ToInteger(start); 804 var actualStart = relativeStart < 0 ? max((len + relativeStart), 0) : min(relativeStart, len); 805 var actualDeleteCount = min(max(ES.ToInteger(deleteCount), 0), len - actualStart); 806 807 var k = 0; 808 var from; 809 while (k < actualDeleteCount) { 810 from = $String(actualStart + k); 811 if (owns(O, from)) { 812 A[k] = O[from]; 813 } 814 k += 1; 815 } 816 817 var items = arraySlice(arguments, 2); 818 var itemCount = items.length; 819 var to; 820 if (itemCount < actualDeleteCount) { 821 k = actualStart; 822 var maxK = len - actualDeleteCount; 823 while (k < maxK) { 824 from = $String(k + actualDeleteCount); 825 to = $String(k + itemCount); 826 if (owns(O, from)) { 827 O[to] = O[from]; 828 } else { 829 delete O[to]; 830 } 831 k += 1; 832 } 833 k = len; 834 var minK = len - actualDeleteCount + itemCount; 835 while (k > minK) { 836 delete O[k - 1]; 837 k -= 1; 838 } 839 } else if (itemCount > actualDeleteCount) { 840 k = len - actualDeleteCount; 841 while (k > actualStart) { 842 from = $String(k + actualDeleteCount - 1); 843 to = $String(k + itemCount - 1); 844 if (owns(O, from)) { 845 O[to] = O[from]; 846 } else { 847 delete O[to]; 848 } 849 k -= 1; 850 } 851 } 852 k = actualStart; 853 for (var i = 0; i < items.length; ++i) { 854 O[k] = items[i]; 855 k += 1; 856 } 857 O.length = len - actualDeleteCount + itemCount; 858 859 return A; 860 } 861 }, !spliceWorksWithLargeSparseArrays || !spliceWorksWithSmallSparseArrays); 862
863 var originalJoin = ArrayPrototype.join; 864 var hasStringJoinBug; 865 try { 866 hasStringJoinBug = Array.prototype.join.call('123', ',') !== '1,2,3'; 867 } catch (e) { 868 hasStringJoinBug = true; 869 } 870 if (hasStringJoinBug) { 871 defineProperties(ArrayPrototype, { 872 join: function join(separator) { 873 var sep = typeof separator === 'undefined' ? ',' : separator; 874 return originalJoin.call(isString(this) ? strSplit(this, '') : this, sep); 875 } 876 }, hasStringJoinBug); 877 } 878 879 var hasJoinUndefinedBug = [1, 2].join(undefined) !== '1,2'; 880 if (hasJoinUndefinedBug) { 881 defineProperties(ArrayPrototype, { 882 join: function join(separator) { 883 var sep = typeof separator === 'undefined' ? ',' : separator; 884 return originalJoin.call(this, sep); 885 } 886 }, hasJoinUndefinedBug); 887 } 888 889 var pushShim = function push(item) { 890 var O = ES.ToObject(this); 891 var n = ES.ToUint32(O.length); 892 var i = 0; 893 while (i < arguments.length) { 894 O[n + i] = arguments[i]; 895 i += 1; 896 } 897 O.length = n + i; 898 return n + i; 899 }; 900 901 var pushIsNotGeneric = (function () { 902 var obj = {}; 903 var result = Array.prototype.push.call(obj, undefined); 904 return result !== 1 || obj.length !== 1 || typeof obj[0] !== 'undefined' || !owns(obj, 0); 905 }()); 906 defineProperties(ArrayPrototype, { 907 push: function push(item) { 908 if (isArray(this)) { 909 return array_push.apply(this, arguments); 910 } 911 return pushShim.apply(this, arguments); 912 } 913 }, pushIsNotGeneric); 914 915 // This fixes a very weird bug in Opera 10.6 when pushing `undefined 916 var pushUndefinedIsWeird = (function () { 917 var arr = []; 918 var result = arr.push(undefined); 919 return result !== 1 || arr.length !== 1 || typeof arr[0] !== 'undefined' || !owns(arr, 0); 920 }()); 921 defineProperties(ArrayPrototype, { push: pushShim }, pushUndefinedIsWeird); 922 923 // ES5 15.2.3.14 924 // http://es5.github.io/#x15.4.4.10 925 // Fix boxed string bug 926 defineProperties(ArrayPrototype, { 927 slice: function (start, end) { 928 var arr = isString(this) ? strSplit(this, '') : this; 929 return arraySliceApply(arr, arguments); 930 } 931 }, splitString); 932 933 var sortIgnoresNonFunctions = (function () { 934 try { 935 [1, 2].sort(null); 936 [1, 2].sort({}); 937 return true; 938 } catch (e) {} 939 return false; 940 }()); 941 var sortThrowsOnRegex = (function () { 942 // this is a problem in Firefox 4, in which `typeof /a/ === 'function'` 943 try { 944 [1, 2].sort(/a/); 945 return false; 946 } catch (e) {} 947 return true; 948 }()); 949 var sortIgnoresUndefined = (function () { 950 // applies in IE 8, for one. 951 try { 952 [1, 2].sort(undefined); 953 return true; 954 } catch (e) {} 955 return false; 956 }()); 957 defineProperties(ArrayPrototype, { 958 sort: function sort(compareFn) { 959 if (typeof compareFn === 'undefined') { 960 return arraySort(this); 961 } 962 if (!isCallable(compareFn)) { 963 throw new TypeError('Array.prototype.sort callback must be a function'); 964 } 965 return arraySort(this, compareFn); 966 } 967 }, sortIgnoresNonFunctions || !sortIgnoresUndefined || !sortThrowsOnRegex); 968 969 // 970 // Object 971 // ====== 972 // 973 974 // ES5 15.2.3.14 975 // http://es5.github.com/#x15.2.3.14 976 977 // http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation 978 var hasDontEnumBug = !isEnum({ 'toString': null }, 'toString'); 979 var hasProtoEnumBug = isEnum(function () {}, 'prototype'); 980 var hasStringEnumBug = !owns('x', '0'); 981 var equalsConstructorPrototype = function (o) { 982 var ctor = o.constructor; 983 return ctor && ctor.prototype === o; 984 }; 985 var blacklistedKeys = { 986 $window: true, 987 $console: true, 988 $parent: true, 989 $self: true, 990 $frame: true, 991 $frames: true, 992 $frameElement: true, 993 $webkitIndexedDB: true, 994 $webkitStorageInfo: true, 995 $external: true 996 }; 997 var hasAutomationEqualityBug = (function () { 998 /* globals window */ 999 if (typeof window === 'undefined') { 1000 return false;
1001 } 1002 for (var k in window) { 1003 try { 1004 if (!blacklistedKeys['$' + k] && owns(window, k) && window[k] !== null && typeof window[k] === 'object') { 1005 equalsConstructorPrototype(window[k]); 1006 } 1007 } catch (e) { 1008 return true; 1009 } 1010 } 1011 return false; 1012 }()); 1013 var equalsConstructorPrototypeIfNotBuggy = function (object) { 1014 if (typeof window === 'undefined' || !hasAutomationEqualityBug) { 1015 return equalsConstructorPrototype(object); 1016 } 1017 try { 1018 return equalsConstructorPrototype(object); 1019 } catch (e) { 1020 return false; 1021 } 1022 }; 1023 var dontEnums = [ 1024 'toString', 1025 'toLocaleString', 1026 'valueOf', 1027 'hasOwnProperty', 1028 'isPrototypeOf', 1029 'propertyIsEnumerable', 1030 'constructor' 1031 ]; 1032 var dontEnumsLength = dontEnums.length; 1033 1034 // taken directly from https://github.com/ljharb/is-arguments/blob/master/index.js 1035 // can be replaced with require('is-arguments') if we ever use a build process instead 1036 var isStandardArguments = function isArguments(value) { 1037 return toStr(value) === '[object Arguments]'; 1038 }; 1039 var isLegacyArguments = function isArguments(value) { 1040 return value !== null && 1041 typeof value === 'object' && 1042 typeof value.length === 'number' && 1043 value.length >= 0 && 1044 !isArray(value) && 1045 isCallable(value.callee); 1046 }; 1047 var isArguments = isStandardArguments(arguments) ? isStandardArguments : isLegacyArguments; 1048 1049 defineProperties($Object, { 1050 keys: function keys(object) {
1051 var isFn = isCallable(object); 1052 var isArgs = isArguments(object); 1053 var isObject = object !== null && typeof object === 'object'; 1054 var isStr = isObject && isString(object); 1055 1056 if (!isObject && !isFn && !isArgs) { 1057 throw new TypeError('Object.keys called on a non-object'); 1058 } 1059 1060 var theKeys = []; 1061 var skipProto = hasProtoEnumBug && isFn; 1062 if ((isStr && hasStringEnumBug) || isArgs) { 1063 for (var i = 0; i < object.length; ++i) { 1064 pushCall(theKeys, $String(i)); 1065 } 1066 } 1067 1068 if (!isArgs) { 1069 for (var name in object) { 1070 if (!(skipProto && name === 'prototype') && owns(object, name)) { 1071 pushCall(theKeys, $String(name)); 1072 } 1073 } 1074 } 1075 1076 if (hasDontEnumBug) { 1077 var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object); 1078 for (var j = 0; j < dontEnumsLength; j++) { 1079 var dontEnum = dontEnums[j]; 1080 if (!(skipConstructor && dontEnum === 'constructor') && owns(object, dontEnum)) { 1081 pushCall(theKeys, dontEnum); 1082 } 1083 } 1084 } 1085 return theKeys; 1086 } 1087 }); 1088 1089 var keysWorksWithArguments = $Object.keys && (function () { 1090 // Safari 5.0 bug 1091 return $Object.keys(arguments).length === 2; 1092 }(1, 2)); 1093 var keysHasArgumentsLengthBug = $Object.keys && (function () { 1094 var argKeys = $Object.keys(arguments); 1095 return arguments.length !== 1 || argKeys.length !== 1 || argKeys[0] !== 1; 1096 }(1)); 1097 var originalKeys = $Object.keys; 1098 defineProperties($Object, { 1099 keys: function keys(object) { 1100 if (isArguments(object)) { 1101 return originalKeys(arraySlice(object)); 1102 } else { 1103 return originalKeys(object); 1104 } 1105 } 1106 }, !keysWorksWithArguments || keysHasArgumentsLengthBug); 1107 1108 // 1109 // Date 1110 // ==== 1111 // 1112 1113 var hasNegativeMonthYearBug = new Date(-3509827329600292).getUTCMonth() !== 0; 1114 var aNegativeTestDate = new Date(-1509842289600292); 1115 var aPositiveTestDate = new Date(1449662400000); 1116 var hasToUTCStringFormatBug = aNegativeTestDate.toUTCString() !== 'Mon, 01 Jan -45875 11:59:59 GMT'; 1117 var hasToDateStringFormatBug; 1118 var hasToStringFormatBug; 1119 var timeZoneOffset = aNegativeTestDate.getTimezoneOffset(); 1120 if (timeZoneOffset < -720) { 1121 hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Tue Jan 02 -45875'; 1122 hasToStringFormatBug = !(/^Thu Dec 10 2015 \d\d:\d\d:\d\d GMT[-\+]\d\d\d\d(?: |$)/).test(aPositiveTestDate.toString()); 1123 } else { 1124 hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Mon Jan 01 -45875'; 1125 hasToStringFormatBug = !(/^Wed Dec 09 2015 \d\d:\d\d:\d\d GMT[-\+]\d\d\d\d(?: |$)/).test(aPositiveTestDate.toString()); 1126 } 1127 1128 var originalGetFullYear = call.bind(Date.prototype.getFullYear); 1129 var originalGetMonth = call.bind(Date.prototype.getMonth); 1130 var originalGetDate = call.bind(Date.prototype.getDate); 1131 var originalGetUTCFullYear = call.bind(Date.prototype.getUTCFullYear); 1132 var originalGetUTCMonth = call.bind(Date.prototype.getUTCMonth); 1133 var originalGetUTCDate = call.bind(Date.prototype.getUTCDate); 1134 var originalGetUTCDay = call.bind(Date.prototype.getUTCDay); 1135 var originalGetUTCHours = call.bind(Date.prototype.getUTCHours); 1136 var originalGetUTCMinutes = call.bind(Date.prototype.getUTCMinutes); 1137 var originalGetUTCSeconds = call.bind(Date.prototype.getUTCSeconds); 1138 var originalGetUTCMilliseconds = call.bind(Date.prototype.getUTCMilliseconds); 1139 var dayName = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']; 1140 var monthName = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; 1141 var daysInMonth = function daysInMonth(month, year) { 1142 return originalGetDate(new Date(year, month, 0)); 1143 }; 1144 1145 defineProperties(Date.prototype, { 1146 getFullYear: function getFullYear() { 1147 if (!this || !(this instanceof Date)) { 1148 throw new TypeError('this is not a Date object.'); 1149 } 1150 var year = originalGetFullYear(this); 1151 if (year < 0 && originalGetMonth(this) > 11) { 1152 return year + 1; 1153 } 1154 return year; 1155 }, 1156 getMonth: function getMonth() { 1157 if (!this || !(this instanceof Date)) { 1158 throw new TypeError('this is not a Date object.'); 1159 } 1160 var year = originalGetFullYear(this);
1161 var month = originalGetMonth(this); 1162 if (year < 0 && month > 11) { 1163 return 0; 1164 } 1165 return month; 1166 }, 1167 getDate: function getDate() { 1168 if (!this || !(this instanceof Date)) { 1169 throw new TypeError('this is not a Date object.'); 1170 } 1171 var year = originalGetFullYear(this); 1172 var month = originalGetMonth(this); 1173 var date = originalGetDate(this); 1174 if (year < 0 && month > 11) { 1175 if (month === 12) { 1176 return date; 1177 } 1178 var days = daysInMonth(0, year + 1); 1179 return (days - date) + 1; 1180 } 1181 return date; 1182 }, 1183 getUTCFullYear: function getUTCFullYear() { 1184 if (!this || !(this instanceof Date)) { 1185 throw new TypeError('this is not a Date object.'); 1186 } 1187 var year = originalGetUTCFullYear(this); 1188 if (year < 0 && originalGetUTCMonth(this) > 11) { 1189 return year + 1; 1190 } 1191 return year; 1192 }, 1193 getUTCMonth: function getUTCMonth() { 1194 if (!this || !(this instanceof Date)) { 1195 throw new TypeError('this is not a Date object.'); 1196 } 1197 var year = originalGetUTCFullYear(this); 1198 var month = originalGetUTCMonth(this); 1199 if (year < 0 && month > 11) { 1200 return 0; 1201 } 1202 return month; 1203 }, 1204 getUTCDate: function getUTCDate() { 1205 if (!this || !(this instanceof Date)) { 1206 throw new TypeError('this is not a Date object.'); 1207 } 1208 var year = originalGetUTCFullYear(this); 1209 var month = originalGetUTCMonth(this); 1210 var date = originalGetUTCDate(this); 1211 if (year < 0 && month > 11) { 1212 if (month === 12) { 1213 return date; 1214 } 1215 var days = daysInMonth(0, year + 1); 1216 return (days - date) + 1; 1217 } 1218 return date; 1219 } 1220 }, hasNegativeMonthYearBug); 1221 1222 defineProperties(Date.prototype, { 1223 toUTCString: function toUTCString() { 1224 if (!this || !(this instanceof Date)) { 1225 throw new TypeError('this is not a Date object.'); 1226 } 1227 var day = originalGetUTCDay(this); 1228 var date = originalGetUTCDate(this); 1229 var month = originalGetUTCMonth(this); 1230 var year = originalGetUTCFullYear(this); 1231 var hour = originalGetUTCHours(this); 1232 var minute = originalGetUTCMinutes(this); 1233 var second = originalGetUTCSeconds(this); 1234 return dayName[day] + ', ' + 1235 (date < 10 ? '0' + date : date) + ' ' + 1236 monthName[month] + ' ' + 1237 year + ' ' + 1238 (hour < 10 ? '0' + hour : hour) + ':' + 1239 (minute < 10 ? '0' + minute : minute) + ':' + 1240 (second < 10 ? '0' + second : second) + ' GMT'; 1241 } 1242 }, hasNegativeMonthYearBug || hasToUTCStringFormatBug); 1243 1244 // Opera 12 has `,` 1245 defineProperties(Date.prototype, { 1246 toDateString: function toDateString() { 1247 if (!this || !(this instanceof Date)) { 1248 throw new TypeError('this is not a Date object.'); 1249 } 1250 var day = this.getDay(); 1251 var date = this.getDate(); 1252 var month = this.getMonth(); 1253 var year = this.getFullYear(); 1254 return dayName[day] + ' ' + 1255 monthName[month] + ' ' + 1256 (date < 10 ? '0' + date : date) + ' ' + 1257 year; 1258 } 1259 }, hasNegativeMonthYearBug || hasToDateStringFormatBug); 1260 1261 // can't use defineProperties here because of toString enumeration issue in IE <= 8 1262 if (hasNegativeMonthYearBug || hasToStringFormatBug) { 1263 Date.prototype.toString = function toString() { 1264 if (!this || !(this instanceof Date)) { 1265 throw new TypeError('this is not a Date object.'); 1266 } 1267 var day = this.getDay(); 1268 var date = this.getDate();
1269 var month = this.getMonth(); 1270 var year = this.getFullYear(); 1271 var hour = this.getHours(); 1272 var minute = this.getMinutes(); 1273 var second = this.getSeconds(); 1274 var timezoneOffset = this.getTimezoneOffset(); 1275 var hoursOffset = Math.floor(Math.abs(timezoneOffset) / 60); 1276 var minutesOffset = Math.floor(Math.abs(timezoneOffset) % 60); 1277 return dayName[day] + ' ' + 1278 monthName[month] + ' ' + 1279 (date < 10 ? '0' + date : date) + ' ' + 1280 year + ' ' + 1281 (hour < 10 ? '0' + hour : hour) + ':' + 1282 (minute < 10 ? '0' + minute : minute) + ':' + 1283 (second < 10 ? '0' + second : second) + ' GMT' + 1284 (timezoneOffset > 0 ? '-' : '+') + 1285 (hoursOffset < 10 ? '0' + hoursOffset : hoursOffset) + 1286 (minutesOffset < 10 ? '0' + minutesOffset : minutesOffset); 1287 }; 1288 if (supportsDescriptors) { 1289 $Object.defineProperty(Date.prototype, 'toString', { 1290 configurable: true, 1291 enumerable: false, 1292 writable: true 1293 }); 1294 } 1295 } 1296 1297 // ES5 15.9.5.43 1298 // http://es5.github.com/#x15.9.5.43 1299 // This function returns a String value represent the instance in time 1300 // represented by this Date object. The format of the String is the Date Time 1301 // string format defined in 15.9.1.15. All fields are present in the String. 1302 // The time zone is always UTC, denoted by the suffix Z. If the time value of 1303 // this object is not a finite Number a RangeError exception is thrown. 1304 var negativeDate = -62198755200000; 1305 var negativeYearString = '-000001'; 1306 var hasNegativeDateBug = Date.prototype.toISOString && new Date(negativeDate).toISOString().indexOf(negativeYearString) === -1; 1307 var hasSafari51DateBug = Date.prototype.toISOString && new Date(-1).toISOString() !== '1969-12-31T23:59:59.999Z'; 1308 1309 var getTime = call.bind(Date.prototype.getTime); 1310 1311 defineProperties(Date.prototype, { 1312 toISOString: function toISOString() { 1313 if (!isFinite(this) || !isFinite(getTime(this))) { 1314 // Adope Photoshop requires the second check. 1315 throw new RangeError('Date.prototype.toISOString called on non-finite value.'); 1316 } 1317 1318 var year = originalGetUTCFullYear(this); 1319 1320 var month = originalGetUTCMonth(this); 1321 // see https://github.com/es-shims/es5-shim/issues/111 1322 year += Math.floor(month / 12); 1323 month = (month % 12 + 12) % 12; 1324 1325 // the date time string format is specified in 15.9.1.15. 1326 var result = [month + 1, originalGetUTCDate(this), originalGetUTCHours(this), originalGetUTCMinutes(this), originalGetUTCSeconds(this)]; 1327 year = ( 1328 (year < 0 ? '-' : (year > 9999 ? '+' : '')) + 1329 strSlice('00000' + Math.abs(year), (0 <= year && year <= 9999) ? -4 : -6) 1330 ); 1331 1332 for (var i = 0; i < result.length; ++i) { 1333 // pad months, days, hours, minutes, and seconds to have two digits. 1334 result[i] = strSlice('00' + result[i], -2); 1335 } 1336 // pad milliseconds to have three digits. 1337 return ( 1338 year + '-' + arraySlice(result, 0, 2).join('-') + 1339 'T' + arraySlice(result, 2).join(':') + '.' + 1340 strSlice('000' + originalGetUTCMilliseconds(this), -3) + 'Z' 1341 ); 1342 } 1343 }, hasNegativeDateBug || hasSafari51DateBug); 1344 1345 // ES5 15.9.5.44 1346 // http://es5.github.com/#x15.9.5.44 1347 // This function provides a String representation of a Date object for use by 1348 // JSON.stringify (15.12.3). 1349 var dateToJSONIsSupported = (function () { 1350 try { 1351 return Date.prototype.toJSON && 1352 new Date(NaN).toJSON() === null && 1353 new Date(negativeDate).toJSON().indexOf(negativeYearString) !== -1 && 1354 Date.prototype.toJSON.call({ // generic 1355 toISOString: function () { return true; } 1356 }); 1357 } catch (e) { 1358 return false;
1359 } 1360 }()); 1361 if (!dateToJSONIsSupported) { 1362 Date.prototype.toJSON = function toJSON(key) { 1363 // When the toJSON method is called with argument key, the following 1364 // steps are taken: 1365 1366 // 1. Let O be the result of calling ToObject, giving it the this 1367 // value as its argument. 1368 // 2. Let tv be ES.ToPrimitive(O, hint Number). 1369 var O = $Object(this); 1370 var tv = ES.ToPrimitive(O); 1371 // 3. If tv is a Number and is not finite, return null. 1372 if (typeof tv === 'number' && !isFinite(tv)) { 1373 return null; 1374 } 1375 // 4. Let toISO be the result of calling the [[Get]] internal method of 1376 // O with argument "toISOString". 1377 var toISO = O.toISOString; 1378 // 5. If IsCallable(toISO) is false, throw a TypeError exception. 1379 if (!isCallable(toISO)) { 1380 throw new TypeError('toISOString property is not callable'); 1381 } 1382 // 6. Return the result of calling the [[Call]] internal method of 1383 // toISO with O as the this value and an empty argument list. 1384 return toISO.call(O); 1385 1386 // NOTE 1 The argument is ignored. 1387 1388 // NOTE 2 The toJSON function is intentionally generic; it does not 1389 // require that its this value be a Date object. Therefore, it can be 1390 // transferred to other kinds of objects for use as a method. However, 1391 // it does require that any such object have a toISOString method. An 1392 // object is free to use the argument key to filter its 1393 // stringification. 1394 }; 1395 } 1396 1397 // ES5 15.9.4.2 1398 // http://es5.github.com/#x15.9.4.2 1399 // based on work shared by Daniel Friesen (dantman) 1400 // http://gist.github.com/303249 1401 var supportsExtendedYears = Date.parse('+033658-09-27T01:46:40.000Z') === 1e15; 1402 var acceptsInvalidDates = !isNaN(Date.parse('2012-04-04T24:00:00.500Z')) || !isNaN(Date.parse('2012-11-31T23:59:59.000Z')) || !isNaN(Date.parse('2012-12-31T23:59:60.000Z')); 1403 var doesNotParseY2KNewYear = isNaN(Date.parse('2000-01-01T00:00:00.000Z')); 1404 if (doesNotParseY2KNewYear || acceptsInvalidDates || !supportsExtendedYears) { 1405 // XXX global assignment won't work in embeddings that use 1406 // an alternate object for the context. 1407 /* global Date: true */ 1408 /* eslint-disable no-undef */ 1409 var maxSafeUnsigned32Bit = Math.pow(2, 31) - 1; 1410 var hasSafariSignedIntBug = isActualNaN(new Date(1970, 0, 1, 0, 0, 0, maxSafeUnsigned32Bit + 1).getTime()); 1411 /* eslint-disable no-implicit-globals */ 1412 Date = (function (NativeDate) { 1413 /* eslint-enable no-implicit-globals */ 1414 /* eslint-enable no-undef */ 1415 // Date.length === 7 1416 var DateShim = function Date(Y, M, D, h, m, s, ms) { 1417 var length = arguments.length; 1418 var date; 1419 if (this instanceof NativeDate) { 1420 var seconds = s; 1421 var millis = ms; 1422 if (hasSafariSignedIntBug && length >= 7 && ms > maxSafeUnsigned32Bit) { 1423 // work around a Safari 8/9 bug where it treats the seconds as signed 1424 var msToShift = Math.floor(ms / maxSafeUnsigned32Bit) * maxSafeUnsigned32Bit; 1425 var sToShift = Math.floor(msToShift / 1e3); 1426 seconds += sToShift; 1427 millis -= sToShift * 1e3; 1428 } 1429 date = length === 1 && $String(Y) === Y ? // isString(Y) 1430 // We explicitly pass it through parse: 1431 new NativeDate(DateShim.parse(Y)) : 1432 // We have to manually make calls depending on argument 1433 // length here 1434 length >= 7 ? new NativeDate(Y, M, D, h, m, seconds, millis) : 1435 length >= 6 ? new NativeDate(Y, M, D, h, m, seconds) : 1436 length >= 5 ? new NativeDate(Y, M, D, h, m) : 1437 length >= 4 ? new NativeDate(Y, M, D, h) : 1438 length >= 3 ? new NativeDate(Y, M, D) : 1439 length >= 2 ? new NativeDate(Y, M) : 1440 length >= 1 ? new NativeDate(Y instanceof NativeDate ? +Y : Y) : 1441 new NativeDate(); 1442 } else { 1443 date = NativeDate.apply(this, arguments); 1444 } 1445 if (!isPrimitive(date)) { 1446 // Prevent mixups with unfixed Date object 1447 defineProperties(date, { constructor: DateShim }, true); 1448 } 1449 return date; 1450 }; 1451 1452 // 15.9.1.15 Date Time String Format. 1453 var isoDateExpression = new RegExp('^' + 1454 '(\\d{4}|[+-]\\d{6})' + // four-digit year capture or sign + 1455 // 6-digit extended year 1456 '(?:-(\\d{2})' + // optional month capture 1457 '(?:-(\\d{2})' + // optional day capture 1458 '(?:' + // capture hours:minutes:seconds.milliseconds 1459 'T(\\d{2})' + // hours capture 1460 ':(\\d{2})' + // minutes capture 1461 '(?:' + // optional :seconds.milliseconds 1462 ':(\\d{2})' + // seconds capture 1463 '(?:(\\.\\d{1,}))?' + // milliseconds capture 1464 ')?' + 1465 '(' + // capture UTC offset component 1466 'Z|' + // UTC capture 1467 '(?:' + // offset specifier +/-hours:minutes 1468 '([-+])' + // sign capture 1469 '(\\d{2})' + // hours offset capture 1470 ':(\\d{2})' + // minutes offset capture 1471 ')' + 1472 ')?)?)?)?' + 1473 '$'); 1474 1475 var months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365]; 1476 1477 var dayFromMonth = function dayFromMonth(year, month) { 1478 var t = month > 1 ? 1 : 0; 1479 return ( 1480 months[month] + 1481 Math.floor((year - 1969 + t) / 4) - 1482 Math.floor((year - 1901 + t) / 100) + 1483 Math.floor((year - 1601 + t) / 400) + 1484 365 * (year - 1970) 1485 ); 1486 }; 1487 1488 var toUTC = function toUTC(t) { 1489 var s = 0; 1490 var ms = t; 1491 if (hasSafariSignedIntBug && ms > maxSafeUnsigned32Bit) { 1492 // work around a Safari 8/9 bug where it treats the seconds as signed 1493 var msToShift = Math.floor(ms / maxSafeUnsigned32Bit) * maxSafeUnsigned32Bit; 1494 var sToShift = Math.floor(msToShift / 1e3); 1495 s += sToShift; 1496 ms -= sToShift * 1e3; 1497 } 1498 return $Number(new NativeDate(1970, 0, 1, 0, 0, s, ms)); 1499 }; 1500 1501 // Copy any custom methods a 3rd party library may have added 1502 for (var key in NativeDate) { 1503 if (owns(NativeDate, key)) { 1504 DateShim[key] = NativeDate[key]; 1505 } 1506 } 1507 1508 // Copy "native" methods explicitly; they may be non-enumerable 1509 defineProperties(DateShim, { 1510 now: NativeDate.now, 1511 UTC: NativeDate.UTC 1512 }, true); 1513 DateShim.prototype = NativeDate.prototype; 1514 defineProperties(DateShim.prototype, { 1515 constructor: DateShim 1516 }, true); 1517 1518 // Upgrade Date.parse to handle simplified ISO 8601 strings 1519 var parseShim = function parse(string) { 1520 var match = isoDateExpression.exec(string); 1521 if (match) { 1522 // parse months, days, hours, minutes, seconds, and milliseconds 1523 // provide default values if necessary 1524 // parse the UTC offset component 1525 var year = $Number(match[1]),
1526 month = $Number(match[2] || 1) - 1, 1527 day = $Number(match[3] || 1) - 1, 1528 hour = $Number(match[4] || 0), 1529 minute = $Number(match[5] || 0), 1530 second = $Number(match[6] || 0), 1531 millisecond = Math.floor($Number(match[7] || 0) * 1000), 1532 // When time zone is missed, local offset should be used 1533 // (ES 5.1 bug) 1534 // see https://bugs.ecmascript.org/show_bug.cgi?id=112 1535 isLocalTime = Boolean(match[4] && !match[8]), 1536 signOffset = match[9] === '-' ? 1 : -1, 1537 hourOffset = $Number(match[10] || 0), 1538 minuteOffset = $Number(match[11] || 0), 1539 result; 1540 var hasMinutesOrSecondsOrMilliseconds = minute > 0 || second > 0 || millisecond > 0; 1541 if ( 1542 hour < (hasMinutesOrSecondsOrMilliseconds ? 24 : 25) && 1543 minute < 60 && second < 60 && millisecond < 1000 && 1544 month > -1 && month < 12 && hourOffset < 24 && 1545 minuteOffset < 60 && // detect invalid offsets 1546 day > -1 && 1547 day < (dayFromMonth(year, month + 1) - dayFromMonth(year, month)) 1548 ) { 1549 result = ( 1550 (dayFromMonth(year, month) + day) * 24 + 1551 hour + 1552 hourOffset * signOffset 1553 ) * 60; 1554 result = ( 1555 (result + minute + minuteOffset * signOffset) * 60 + 1556 second 1557 ) * 1000 + millisecond; 1558 if (isLocalTime) { 1559 result = toUTC(result); 1560 } 1561 if (-8.64e15 <= result && result <= 8.64e15) { 1562 return result; 1563 } 1564 } 1565 return NaN; 1566 } 1567 return NativeDate.parse.apply(this, arguments); 1568 }; 1569 defineProperties(DateShim, { parse: parseShim }); 1570 1571 return DateShim; 1572 }(Date)); 1573 /* global Date: false */ 1574 } 1575 1576 // ES5 15.9.4.4 1577 // http://es5.github.com/#x15.9.4.4 1578 if (!Date.now) { 1579 Date.now = function now() { 1580 return new Date().getTime(); 1581 }; 1582 } 1583 1584 // 1585 // Number 1586 // ====== 1587 // 1588 1589 // ES5.1 15.7.4.5 1590 // http://es5.github.com/#x15.7.4.5 1591 var hasToFixedBugs = NumberPrototype.toFixed && ( 1592 (0.00008).toFixed(3) !== '0.000' || 1593 (0.9).toFixed(0) !== '1' || 1594 (1.255).toFixed(2) !== '1.25' || 1595 (1000000000000000128).toFixed(0) !== '1000000000000000128' 1596 ); 1597 1598 var toFixedHelpers = { 1599 base: 1e7, 1600 size: 6, 1601 data: [0, 0, 0, 0, 0, 0], 1602 multiply: function multiply(n, c) { 1603 var i = -1; 1604 var c2 = c; 1605 while (++i < toFixedHelpers.size) { 1606 c2 += n * toFixedHelpers.data[i]; 1607 toFixedHelpers.data[i] = c2 % toFixedHelpers.base; 1608 c2 = Math.floor(c2 / toFixedHelpers.base); 1609 } 1610 }, 1611 divide: function divide(n) { 1612 var i = toFixedHelpers.size; 1613 var c = 0; 1614 while (--i >= 0) { 1615 c += toFixedHelpers.data[i]; 1616 toFixedHelpers.data[i] = Math.floor(c / n); 1617 c = (c % n) * toFixedHelpers.base; 1618 } 1619 }, 1620 numToString: function numToString() { 1621 var i = toFixedHelpers.size; 1622 var s = ''; 1623 while (--i >= 0) { 1624 if (s !== '' || i === 0 || toFixedHelpers.data[i] !== 0) { 1625 var t = $String(toFixedHelpers.data[i]); 1626 if (s === '') { 1627 s = t; 1628 } else { 1629 s += strSlice('0000000', 0, 7 - t.length) + t; 1630 } 1631 } 1632 } 1633 return s; 1634 }, 1635 pow: function pow(x, n, acc) { 1636 return (n === 0 ? acc : (n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc))); 1637 }, 1638 log: function log(x) { 1639 var n = 0; 1640 var x2 = x; 1641 while (x2 >= 4096) { 1642 n += 12; 1643 x2 /= 4096; 1644 } 1645 while (x2 >= 2) { 1646 n += 1; 1647 x2 /= 2; 1648 } 1649 return n; 1650 } 1651 }; 1652 1653 var toFixedShim = function toFixed(fractionDigits) { 1654 var f, x, s, m, e, z, j, k; 1655 1656 // Test for NaN and round fractionDigits down 1657 f = $Number(fractionDigits); 1658 f = isActualNaN(f) ? 0 : Math.floor(f); 1659 1660 if (f < 0 || f > 20) { 1661 throw new RangeError('Number.toFixed called with invali
1661d number of decimals'); 1662 } 1663 1664 x = $Number(this); 1665 1666 if (isActualNaN(x)) { 1667 return 'NaN'; 1668 } 1669 1670 // If it is too big or small, return the string value of the number 1671 if (x <= -1e21 || x >= 1e21) { 1672 return $String(x); 1673 } 1674 1675 s = ''; 1676 1677 if (x < 0) { 1678 s = '-'; 1679 x = -x; 1680 } 1681 1682 m = '0'; 1683 1684 if (x > 1e-21) { 1685 // 1e-21 < x < 1e21 1686 // -70 < log2(x) < 70 1687 e = toFixedHelpers.log(x * toFixedHelpers.pow(2, 69, 1)) - 69; 1688 z = (e < 0 ? x * toFixedHelpers.pow(2, -e, 1) : x / toFixedHelpers.pow(2, e, 1)); 1689 z *= 0x10000000000000; // Math.pow(2, 52); 1690 e = 52 - e; 1691 1692 // -18 < e < 122 1693 // x = z / 2 ^ e 1694 if (e > 0) { 1695 toFixedHelpers.multiply(0, z); 1696 j = f; 1697 1698 while (j >= 7) { 1699 toFixedHelpers.multiply(1e7, 0); 1700 j -= 7; 1701 } 1702 1703 toFixedHelpers.multiply(toFixedHelpers.pow(10, j, 1), 0); 1704 j = e - 1; 1705 1706 while (j >= 23) { 1707 toFixedHelpers.divide(1 << 23); 1708 j -= 23; 1709 } 1710 1711 toFixedHelpers.divide(1 << j); 1712 toFixedHelpers.multiply(1, 1); 1713 toFixedHelpers.divide(2); 1714 m = toFixedHelpers.numToString(); 1715 } else { 1716 toFixedHelpers.multiply(0, z); 1717 toFixedHelpers.multiply(1 << (-e), 0); 1718 m = toFixedHelpers.numToString() + strSlice('0.00000000000000000000', 2, 2 + f); 1719 } 1720 } 1721 1722 if (f > 0) { 1723 k = m.length; 1724 1725 if (k <= f) { 1726 m = s + strSlice('0.0000000000000000000', 0, f - k + 2) + m; 1727 } else { 1728 m = s + strSlice(m, 0, k - f) + '.' + strSlice(m, k - f); 1729 } 1730 } else { 1731 m = s + m; 1732 } 1733 1734 return m; 1735 }; 1736 defineProperties(NumberPrototype, { toFixed: toFixedShim }, hasToFixedBugs); 1737 1738 var hasToPrecisionUndefinedBug = (function () { 1739 try { 1740 return 1.0.toPrecision(undefined) === '1'; 1741 } catch (e) { 1742 return true; 1743 } 1744 }()); 1745 var originalToPrecision = NumberPrototype.toPrecision; 1746 defineProperties(NumberPrototype, { 1747 toPrecision: function toPrecision(precision) { 1748 return typeof precision === 'undefined' ? originalToPrecision.call(this) : originalToPrecision.call(this, precision); 1749 } 1750 }, hasToPrecisionUndefinedBug); 1751 1752 // 1753 // String 1754 // ====== 1755 // 1756 1757 // ES5 15.5.4.14 1758 // http://es5.github.com/#x15.5.4.14 1759 1760 // [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers] 1761 // Many browsers do not split properly with regular expressions or they 1762 // do not perform the split correctly under obscure conditions. 1763 // See http://blog.stevenlevithan.com/archives/cross-browser-split 1764 // I've tested in many browsers and this seems to cover the deviant ones: 1765 // 'ab'.split(/(?:ab)*/) should be ["", ""], not [""] 1766 // '.'.split(/(.?)(.?)/) should be ["", ".", "", ""], not ["", ""] 1767 // 'tesst'.split(/(s)*/) should be ["t", undefined, "e", "s", "t"], not 1768 // [undefined, "t", undefined, "e", ...] 1769 // ''.split(/.?/) should be [], not [""] 1770 // '.'.split(/()()/) should be ["."], not ["", "", "."] 1771 1772 if ( 1773 'ab'.split(/(?:ab)*/).length !== 2 || 1774 '.'.split(/(.?)(.?)/).length !== 4 || 1775 'tesst'.split(/(s)*/)[1] === 't' || 1776 'test'.split(/(?:)/, -1).length !== 4 || 1777 ''.split(/.?/).length || 1778 '.'.split(/()()/).length > 1 1779 ) { 1780 (function () { 1781 var compliantExecNpcg = typeof (/()??/).exec('')[1] === 'undefined'; // NPCG: nonparticipating capturing group 1782 var maxSafe32BitInt = Math.pow(2, 32) - 1; 1783 1784 StringPrototype.split = function (separator, limit) { 1785 var string = String(this); 1786 if (typeof separator === 'undefined' && limit === 0) { 1787 return []; 1788 } 1789 1790 // If `separator` is not a regex, use native split 1791 if (!isRegex(separator)) { 1792 return strSplit(this, separator, limit); 1793 } 1794 1795 var output = []; 1796 var flags = (separator.ignoreCase ? 'i' : '') + 1797 (separator.multiline ? 'm' : '') + 1798 (separator.unicode ? 'u' : '') + // in ES6 1799 (separator.sticky ? 'y' : ''), // Firefox 3+ and ES6 1800 lastLastIndex = 0, 1801 // Make `global` and avoid `lastIndex` issues by working with a copy 1802 separator2, match, lastIndex, lastLength; 1803 var separatorCopy = new RegExp(separator.source, flags + 'g'); 1804 if (!compliantExecNpcg) { 1805 // Doesn't need flags gy, but they don't hurt 1806 separator2 = new RegExp('^' + separatorCopy.source + '$(?!\\s)', flags); 1807 } 1808 /* Values for `limit`, per the spec: 1809 * If undefined: 4294967295 // maxSafe32BitInt 1810 * If 0, Infinity, or NaN: 0 1811 * If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296; 1812 * If negative number: 4294967296 - Math.floor(Math.abs(limit)) 1813 * If other: Type-convert, then use the above rules 1814 */ 1815 var splitLimit = typeof limit === 'undefined' ? maxSafe32BitInt : ES.ToUint32(limit); 1816 match = separatorCopy.exec(string); 1817 while (match) { 1818 // `separatorCopy.lastIndex` is not reliable cross-browser 1819 lastIndex = match.index + match[0].length; 1820 if (lastIndex > lastLastIndex) { 1821 pushCall(output, strSlice(string, lastLastIndex, match.index)); 1822 // Fix browsers whose `exec` methods don't consistently return `undefined` for 1823 // nonparticipating capturing groups 1824 if (!compliantExecNpcg && match.length > 1) { 1825 /* eslint-disable no-loop-func */ 1826 match[0].replace(separator2, function () { 1827 for (var i = 1; i < arguments.length - 2; i++) { 1828 if (typeof arguments[i] === 'undefined') { 1829 match[i] = void 0; 1830 } 1831 } 1832 }); 1833 /* eslint-enable no-loop-func */ 1834 } 1835 if (match.length > 1 && match.index < string.length) { 1836 array_push.apply(output, arraySlice(match, 1)); 1837 } 1838 lastLength = match[0].length; 1839 lastLastIndex = lastIndex; 1840 if (output.length >= splitLimit) { 1841 break; 1842 } 1843 } 1844 if (separatorCopy.lastIndex === match.index) { 1845 separatorCopy.lastIndex++; // Avoid an infinite loop 1846 } 1847 match = separatorCopy.exec(string); 1848 } 1849 if (lastLastIndex === string.length) { 1850 if (lastLength || !separatorCopy.test('')) { 1851 pushCall(output, ''); 1852 } 1853 } else { 1854 pushCall(output, strSlice(string, lastLastIndex)); 1855 } 1856 return output.length > splitLimit ? arraySlice(output, 0, splitLimit) : output; 1857 }; 1858 }()); 1859 1860 // [bugfix, chrome] 1861 // If separator is undefined, then the result array contains
1861just one String, 1862 // which is the this value (converted to a String). If limit is not undefined, 1863 // then the output array is truncated so that it contains no more than limit 1864 // elements. 1865 // "0".split(undefined, 0) -> [] 1866 } else if ('0'.split(void 0, 0).length) { 1867 StringPrototype.split = function split(separator, limit) { 1868 if (typeof separator === 'undefined' && limit === 0) { 1869 return []; 1870 } 1871 return strSplit(this, separator, limit); 1872 }; 1873 } 1874 1875 var str_replace = StringPrototype.replace; 1876 var replaceReportsGroupsCorrectly = (function () { 1877 var groups = []; 1878 'x'.replace(/x(.)?/g, function (match, group) { 1879 pushCall(groups, group); 1880 }); 1881 return groups.length === 1 && typeof groups[0] === 'undefined'; 1882 }()); 1883 1884 if (!replaceReportsGroupsCorrectly) { 1885 StringPrototype.replace = function replace(searchValue, replaceValue) { 1886 var isFn = isCallable(replaceValue); 1887 var hasCapturingGroups = isRegex(searchValue) && (/\)[*?]/).test(searchValue.source); 1888 if (!isFn || !hasCapturingGroups) { 1889 return str_replace.call(this, searchValue, replaceValue); 1890 } else { 1891 var wrappedReplaceValue = function (match) { 1892 var length = arguments.length; 1893 var originalLastIndex = searchValue.lastIndex; 1894 searchValue.lastIndex = 0; 1895 var args = searchValue.exec(match) || []; 1896 searchValue.lastIndex = originalLastIndex; 1897 pushCall(args, arguments[length - 2], arguments[length - 1]); 1898 return replaceValue.apply(this, args); 1899 }; 1900 return str_replace.call(this, searchValue, wrappedReplaceValue); 1901 } 1902 }; 1903 } 1904 1905 // ECMA-262, 3rd B.2.3 1906 // Not an ECMAScript standard, although ECMAScript 3rd Edition has a 1907 // non-normative section suggesting uniform semantics and it should be 1908 // normalized across all browsers 1909 // [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE 1910 var string_substr = StringPrototype.substr; 1911 var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b'; 1912 defineProperties(StringPrototype, { 1913 substr: function substr(start, length) { 1914 var normalizedStart = start; 1915 if (start < 0) { 1916 normalizedStart = max(this.length + start, 0); 1917 } 1918 return string_substr.call(this, normalizedStart, length); 1919 } 1920 }, hasNegativeSubstrBug); 1921 1922 // ES5 15.5.4.20 1923 // whitespace from: http://es5.github.io/#x15.5.4.20 1924 var ws = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003' + 1925 '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028' + 1926 '\u2029\uFEFF'; 1927 var zeroWidth = '\u200b'; 1928 var wsRegexChars = '[' + ws + ']'; 1929 var trimBeginRegexp = new RegExp('^' + wsRegexChars + wsRegexChars + '*'); 1930 var trimEndRegexp = new RegExp(wsRegexChars + wsRegexChars + '*$'); 1931 var hasTrimWhitespaceBug = StringPrototype.trim && (ws.trim() || !zeroWidth.trim()); 1932 defineProperties(StringPrototype, { 1933 // http://blog.stevenlevithan.com/archives/faster-trim-javascript 1934 // http://perfectionkills.com/whitespace-deviations/ 1935 trim: function trim() { 1936 if (typeof this === 'undefined' || this === null) { 1937 throw new TypeError("can't convert " + this + ' to object'); 1938 } 1939 return $String(this).replace(trimBeginRegexp, '').replace(trimEndRegexp, ''); 1940 } 1941 }, hasTrimWhitespaceBug); 1942 var trim = call.bind(String.prototype.trim); 1943 1944 var hasLastIndexBug = StringPrototype.lastIndexOf && 'abcãã'.lastIndexOf('ãã', 2) !== -1; 1945 defineProperties(StringPrototype, { 1946 lastIndexOf: function lastIndexOf(searchString) { 1947 if (typeof this === 'undefined' || this === null) { 1948 throw new TypeError("can't convert " + this + ' to object'); 1949 } 1950 var S = $String(this); 1951 var searchStr = $String(searchString); 1952 var numPos = arguments.length > 1 ? $Number(arguments[1]) : NaN; 1953 var pos = isActualNaN(numPos) ? Infinity : ES.ToInteger(numPos); 1954 var start = min(max(pos, 0), S.length); 1955 var searchLen = searchStr.length; 1956 var k = start + searchLen; 1957 while (k > 0) { 1958 k = max(0, k - searchLen); 1959 var index = strIndexOf(strSlice(S, k, start + searchLen), searchStr); 1960 if (index !== -1) { 1961 return k + index; 1962 } 1963 } 1964 return -1; 1965 } 1966 }, hasLastIndexBug); 1967 1968 var originalLastIndexOf = StringPrototype.lastIndexOf; 1969 defineProperties(StringPrototype, { 1970 lastIndexOf: function lastIndexOf(searchString) { 1971 return originalLastIndexOf.apply(this, arguments); 1972 } 1973 }, StringPrototype.lastIndexOf.length !== 1); 1974 1975 // ES-5 15.1.2.2 1976 /* eslint-disable radix */ 1977 if (parseInt(ws + '08') !== 8 || parseInt(ws + '0x16') !== 22) { 1978 /* eslint-enable radix */ 1979 /* global parseInt: true */ 1980 parseInt = (function (origParseInt) { 1981 var hexRegex = /^[\-+]?0[xX]/; 1982 return function parseInt(str, radix) { 1983 var string = trim(String(str)); 1984 var defaultedRadix = $Number(radix) || (hexRegex.test(string) ? 16 : 10); 1985 return origParseInt(string, defaultedRadix); 1986 }; 1987 }(parseInt)); 1988 } 1989 1990 // https://es5.github.io/#x15.1.2.3 1991 if (1 / parseFloat('-0') !== -Infinity) { 1992 /* global parseFloat: true */ 1993 parseFloat = (function (origParseFloat) { 1994 return function parseFloat(string) { 1995 var inputString = trim(String(string)); 1996 var result = origParseFloat(inputString); 1997 return result === 0 && strSlice(inputString, 0, 1) === '-' ? -0 : result; 1998 }; 1999 }(parseFloat)); 2000 } 2001 2002 if (String(new RangeError('test')) !== 'RangeError: test') { 2003 var errorToStringShim = function toString() { 2004 if (typeof this === 'undefined' || this === null) { 2005 throw new TypeError("can't convert " + this + ' to object'); 2006 } 2007 var name = this.name; 2008 if (typeof name === 'undefined') { 2009 name = 'Error'; 2010 } else if (typeof name !== 'string') { 2011 name = $String(name); 2012 } 2013 var msg = this.message; 2014 if (typeof msg === 'undefined') { 2015 msg = ''; 2016 } else if (typeof msg !== 'string') { 2017 msg = $String(msg); 2018 } 2019 if (!name) { 2020 return msg; 2021 } 2022 if (!msg) { 2023 return name; 2024 } 2025 return name + ': ' + msg; 2026 }; 2027 // can't use defineProperties here because of toString enumeration issue in IE <= 8 2028 Error.prototype.toString = errorToStringShim; 2029 } 2030 2031 if (supportsDescriptors) { 2032 var ensureNonEnumerable = function (obj, prop) { 2033 if (isEnum(obj, prop)) { 2034 var desc = Object.getOwnPropertyDescriptor(obj, prop); 2035 if (desc.configurable) { 2036 desc.enumerable = false;
2037 Object.defineProperty(obj, prop, desc); 2038 } 2039 } 2040 }; 2041 ensureNonEnumerable(Error.prototype, 'message'); 2042 if (Error.prototype.message !== '') { 2043 Error.prototype.message = ''; 2044 } 2045 ensureNonEnumerable(Error.prototype, 'name'); 2046 } 2047 2048 if (String(/a/mig) !== '/a/gim') { 2049 var regexToString = function toString() { 2050 var str = '/' + this.source + '/'; 2051 if (this.global) { 2052 str += 'g'; 2053 } 2054 if (this.ignoreCase) { 2055 str += 'i'; 2056 } 2057 if (this.multiline) { 2058 str += 'm'; 2059 } 2060 return str; 2061 }; 2062 // can't use defineProperties here because of toString enumeration issue in IE <= 8 2063 RegExp.prototype.toString = regexToString; 2064 } 2065}));
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.