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1(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.StackTrace = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){ 2 (function(root, factory) { 3 'use strict'; 4 // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers. 5 6 /* istanbul ignore next */ 7 if (typeof define === 'function' && define.amd) { 8 define('error-stack-parser', ['stackframe'], factory); 9 } else if (typeof exports === 'object') { 10 module.exports = factory(require('stackframe')); 11 } else { 12 root.ErrorStackParser = factory(root.StackFrame); 13 } 14 }(this, function ErrorStackParser(StackFrame) { 15 'use strict'; 16 17 var FIREFOX_SAFARI_STACK_REGEXP = /(^|@)\S+:\d+/; 18 var CHROME_IE_STACK_REGEXP = /^\s*at .*(\S+:\d+|\(native\))/m; 19 var SAFARI_NATIVE_CODE_REGEXP = /^(eval@)?(\[native code])?$/; 20 21 return { 22 /** 23 * Given an Error object, extract the most information from it. 24 * 25 * @param {Error} error object 26 * @return {Array} of StackFrames 27 */ 28 parse: function ErrorStackParser$$parse(error) { 29 if (typeof error.stacktrace !== 'undefined' || typeof error['opera#sourceloc'] !== 'undefined') { 30 return this.parseOpera(error); 31 } else if (error.stack && error.stack.match(CHROME_IE_STACK_REGEXP)) { 32 return this.parseV8OrIE(error); 33 } else if (error.stack) { 34 return this.parseFFOrSafari(error); 35 } else { 36 throw new Error('Cannot parse given Error object'); 37 } 38 }, 39 40 // Separate line and column numbers from a string of the form: (URI:Line:Column) 41 extractLocation: function ErrorStackParser$$extractLocation(urlLike) { 42 // Fail-fast but return locations like "(native)" 43 if (urlLike.indexOf(':') === -1) { 44 return [urlLike]; 45 } 46 47 var regExp = /(.+?)(?::(\d+))?(?::(\d+))?$/; 48 var parts = regExp.exec(urlLike.replace(/[()]/g, '')); 49 return [parts[1], parts[2] || undefined, parts[3] || undefined]; 50 }, 51 52 parseV8OrIE: function ErrorStackParser$$parseV8OrIE(error) { 53 var filtered = error.stack.split('\n').filter(function(line) { 54 return !!line.match(CHROME_IE_STACK_REGEXP); 55 }, this); 56 57 return filtered.map(function(line) { 58 if (line.indexOf('(eval ') > -1) { 59 // Throw away eval information until we implement stacktrace.js/stackframe#8 60 line = line.replace(/eval code/g, 'eval').replace(/(\(eval at [^()]*)|(\),.*$)/g, ''); 61 } 62 var sanitizedLine = line.replace(/^\s+/, '').replace(/\(eval code/g, '('); 63 64 // capture and preseve the parenthesized location "(/foo/my bar.js:12:87)" in 65 // case it has spaces in it, as the string is split on \s+ later on 66 var location = sanitizedLine.match(/ (\((.+):(\d+):(\d+)\)$)/); 67 68 // remove the parenthesized location from the line, if it was matched 69 sanitizedLine = location ? sanitizedLine.replace(location[0], '') : sanitizedLine; 70 71 var tokens = sanitizedLine.split(/\s+/).slice(1); 72 // if a location was matched, pass it to extractLocation() otherwise pop the last token 73 var locationParts = this.extractLocation(location ? location[1] : tokens.pop()); 74 var functionName = tokens.join(' ') || undefined; 75 var fileName = ['eval', '<anonymous>'].indexOf(locationParts[0]) > -1 ? undefined : locationParts[0]; 76 77 return new StackFrame({ 78 functionName: functionName, 79 fileName: fileName, 80 lineNumber: locationParts[1], 81 columnNumber: locationParts[2], 82 source: line 83 }); 84 }, this); 85 }, 86 87 parseFFOrSafari: function ErrorStackParser$$parseFFOrSafari(error) { 88 var filtered = error.stack.split('\n').filter(function(line) { 89 return !line.match(SAFARI_NATIVE_CODE_REGEXP); 90 }, this); 91 92 return filtered.map(function(line) { 93 // Throw away eval information until we implement stacktrace.js/stackframe#8 94 if (line.indexOf(' > eval') > -1) { 95 line = line.replace(/ line (\d+)(?: > eval line \d+)* > eval:\d+:\d+/g, ':$1'); 96 } 97 98 if (line.indexOf('@') === -1 && line.indexOf(':') === -1) { 99 // Safari eval frames only have function names and nothing else 100 return new StackFrame({ 101 functionName: line 102 }); 103 } else { 104 var functionNameRegex = /((.*".+"[^@]*)?[^@]*)(?:@)/; 105 var matches = line.match(functionNameRegex); 106 var functionName = matches && matches[1] ? matches[1] : undefined; 107 var locationParts = this.extractLocation(line.replace(functionNameRegex, '')); 108 109 return new StackFrame({ 110 functionName: functionName, 111 fileName: locationParts[0], 112 lineNumber: locationParts[1], 113 columnNumber: locationParts[2], 114 source: line 115 }); 116 } 117 }, this); 118 }, 119 120 parseOpera: function ErrorStackParser$$parseOpera(e) { 121 if (!e.stacktrace || (e.message.indexOf('\n') > -1 && 122 e.message.split('\n').length > e.stacktrace.split('\n').length)) { 123 return this.parseOpera9(e); 124 } else if (!e.stack) { 125 return this.parseOpera10(e); 126 } else { 127 return this.parseOpera11(e); 128 } 129 }, 130 131 parseOpera9: function ErrorStackParser$$parseOpera9(e) { 132 var lineRE = /Line (\d+).*script (?:in )?(\S+)/i; 133 var lines = e.message.split('\n'); 134 var result = []; 135 136 for (var i = 2, len = lines.length; i < len; i += 2) { 137 var match = lineRE.exec(lines[i]); 138 if (match) { 139 result.push(new StackFrame({ 140 fileName: match[2], 141 lineNumber: match[1], 142 source: lines[i] 143 })); 144 } 145 } 146 147 return result; 148 }, 149 150 parseOpera10: function ErrorStackParser$$parseOpera10(e) { 151 var lineRE = /Line (\d+).*script (?:in )?(\S+)(?:: In function (\S+))?$/i; 152 var lines = e.stacktrace.split('\n'); 153 var result = []; 154 155 for (var i = 0, len = lines.length; i < len; i += 2) { 156 var match = lineRE.exec(lines[i]); 157 if (match) { 158 result.push( 159 new StackFrame({ 160 functionName: match[3] || undefined, 161 fileName: match[2], 162 lineNumber: match[1], 163 source: lines[i] 164 }) 165 ); 166 } 167 } 168 169 return result; 170 }, 171 172 // Opera 10.65+ Error.stack very similar to FF/Safari 173 parseOpera11: function ErrorStackParser$$parseOpera11(error) { 174 var filtered = error.stack.split('\n').filter(function(line) { 175 return !!line.match(FIREFOX_SAFARI_STACK_REGEXP) && !line.match(/^Error created at/); 176 }, this); 177 178 return filtered.map(function(line) { 179 var tokens = line.split('@'); 180 var locationParts = this.extractLocation(tokens.pop()); 181 var functionCall = (tokens.shift() || ''); 182 var functionName = functionCall 183 .replace(/<anonymous function(: (\w+))?>/, '$2') 184 .replace(/\([^)]*\)/g, '') || undefined; 185 var argsRaw; 186 if (functionCall.match(/\(([^)]*)\)/)) { 187 argsRaw = functionCall.replace(/^[^(]+\(([^)]*)\)$/, '$1'); 188 } 189 var args = (argsRaw === undefined || argsRaw === '[arguments not available]') ? 190 undefined : argsRaw.split(','); 191 192 return new StackFrame({ 193 functionName: functionName, 194 args: args, 195 fileName: locationParts[0], 196 lineNumber: locationParts[1], 197 columnNumber: locationParts[2], 198 source: line 199 }); 200 }, this); 201 } 202 }; 203 })); 204 205 },{"stackframe":2}],2:[function(require,module,exports){ 206 (function(root, factory) { 207 'use strict'; 208 // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers. 209 210 /* istanbul ignore next */ 211 if (typeof define === 'function' && define.amd) { 212 define('stackframe', [], factory); 213 } else if (typeof exports === 'object') { 214 module.exports = factory(); 215 } else { 216 root.StackFrame = factory(); 217 } 218 }(this, function() { 219 'use strict'; 220 function _isNumber(n) { 221 return !isNaN(parseFloat(n)) && isFinite(n); 222 } 223 224 function _capitalize(str) { 225 return str.charAt(0).toUpperCase() + str.substring(1); 226 } 227 228 function _getter(p) { 229 return function() { 230 return this[p]; 231 }; 232 } 233 234 var booleanProps = ['isConstructor', 'isEval', 'isNative', 'isToplevel']; 235 var numericProps = ['columnNumber', 'lineNumber']; 236 var stringProps = ['fileName', 'functionName', 'source']; 237 var arrayProps = ['args']; 238 239 var props = booleanProps.concat(numericProps, stringProps, arrayProps); 240 241 function StackFrame(obj) { 242 if (!obj) return; 243 for (var i = 0; i < props.length; i++) { 244 if (obj[props[i]] !== undefined) { 245 this['set' + _capitalize(props[i])](obj[props[i]]); 246 } 247 } 248 } 249 250 StackFrame.prototype = { 251 getArgs: function() { 252 return this.args; 253 }, 254 setArgs: function(v) { 255 if (Object.prototype.toString.call(v) !== '[object Array]') { 256 throw new TypeError('Args must be an Array'); 257 } 258 this.args = v; 259 }, 260 261 getEvalOrigin: function() { 262 return this.evalOrigin; 263 }, 264 setEvalOrigin: function(v) { 265 if (v instanceof StackFrame) { 266 this.evalOrigin = v; 267 } else if (v instanceof Object) { 268 this.evalOrigin = new StackFrame(v); 269 } else { 270 throw new TypeError('Eval Origin must be an Object or StackFrame'); 271 } 272 }, 273 274 toString: function() { 275 var fileName = this.getFileName() || ''; 276 var lineNumber = this.getLineNumber() || ''; 277 var columnNumber = this.getColumnNumber() || ''; 278 var functionName = this.getFunctionName() || ''; 279 if (this.getIsEval()) { 280 if (fileName) { 281 return '[eval] (' + fileName + ':' + lineNumber + ':' + columnNumber + ')'; 282 } 283 return '[eval]:' + lineNumber + ':' + columnNumber; 284 } 285 if (functionName) { 286 return functionName + ' (' + fileName + ':' + lineNumber + ':' + columnNumber + ')'; 287 } 288 return fileName + ':' + lineNumber + ':' + columnNumber; 289 } 290 }; 291 292 StackFrame.fromString = function StackFrame$$fromString(str) { 293 var argsStartIndex = str.indexOf('('); 294 var argsEndIndex = str.lastIndexOf(')'); 295 296 var functionName = str.substring(0, argsStartIndex); 297 var args = str.substring(argsStartIndex + 1, argsEndIndex).split(','); 298 var locationString = str.substring(argsEndIndex + 1); 299 300 if (locationString.indexOf('@') === 0) { 301 var parts = /@(.+?)(?::(\d+))?(?::(\d+))?$/.exec(locationString, ''); 302 var fileName = parts[1]; 303 var lineNumber = parts[2]; 304 var columnNumber = parts[3]; 305 } 306 307 return new StackFrame({ 308 functionName: functionName, 309 args: args || undefined, 310 fileName: fileName, 311 lineNumber: lineNumber || undefined, 312 columnNumber: columnNumber || undefined 313 }); 314 }; 315 316 for (var i = 0; i < booleanProps.length; i++) { 317 StackFrame.prototype['get' + _capitalize(booleanProps[i])] = _getter(booleanProps[i]); 318 StackFrame.prototype['set' + _capitalize(booleanProps[i])] = (function(p) { 319 return function(v) { 320 this[p] = Boolean(v); 321 }; 322 })(booleanProps[i]); 323 } 324 325 for (var j = 0; j < numericProps.length; j++) { 326 StackFrame.prototype['get' + _capitalize(numericProps[j])] = _getter(numericProps[j]); 327 StackFrame.prototype['set' + _capitalize(numericProps[j])] = (function(p) { 328 return function(v) { 329 if (!_isNumber(v)) { 330 throw new TypeError(p + ' must be a Number'); 331 } 332 this[p] = Number(v); 333 }; 334 })(numericProps[j]); 335 } 336 337 for (var k = 0; k < stringProps.length; k++) { 338 StackFrame.prototype['get' + _capitalize(stringProps[k])] = _getter(stringProps[k]); 339 StackFrame.prototype['set' + _capitalize(stringProps[k])] = (function(p) { 340 return function(v) { 341 this[p] = String(v); 342 }; 343 })(stringProps[k]); 344 } 345 346 return StackFrame; 347 })); 348 349 },{}],3:[function(require,module,exports){ 350 /* -*- Mode: js; js-indent-level: 2; -*- */ 351 /* 352 * Copyright 2011 Mozilla Foundation and contributors 353 * Licensed under the New BSD license. See LICENSE or: 354 * http://opensource.org/licenses/BSD-3-Clause 355 */ 356 357 var util = require('./util'); 358 var has = Object.prototype.hasOwnProperty; 359 360 /** 361 * A data structure which is a combination of an array and a set. Adding a new 362 * member is O(1), testing for membership is O(1), and finding the index of an 363 * element is O(1). Removing elements from the set is not supported. Only 364 * strings are supported for membership. 365 */ 366 function ArraySet() { 367 this._array = []; 368 this._set = Object.create(null); 369 } 370 371 /** 372 * Static method for creating ArraySet instances from an existing array. 373 */ 374 ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) { 375 var set = new ArraySet(); 376 for (var i = 0, len = aArray.length; i < len; i++) { 377 set.add(aArray[i], aAllowDuplicates); 378 } 379 return set; 380 }; 381 382 /** 383 * Return how many unique items are in this ArraySet. If duplicates have been 384 * added, than those do not count towards the size. 385 * 386 * @returns Number 387 */ 388 ArraySet.prototype.size = function ArraySet_size() { 389 return Object.getOwnPropertyNames(this._set).length; 390 }; 391 392 /** 393 * Add the given string to this set. 394 * 395 * @param String aStr 396 */ 397 ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) { 398 var sStr = util.toSetString(aStr); 399 var isDuplicate = has.call(this._set, sStr); 400 var idx = this._array.length; 401 if (!isDuplicate || aAllowDuplicates) { 402 this._array.push(aStr); 403 } 404 if (!isDuplicate) { 405 this._set[sStr] = idx; 406 } 407 }; 408 409 /** 410 * Is the given string a member of this set? 411 * 412 * @param String aStr 413 */ 414 ArraySet.prototype.has = function ArraySet_has(aStr) { 415 var sStr = util.toSetString(aStr); 416 return has.call(this._set, sStr); 417 }; 418 419 /** 420 * What is the index of the given string in the array? 421 * 422 * @param String aStr 423 */ 424 ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) { 425 var sStr = util.toSetString(aStr); 426 if (has.call(this._set, sStr)) { 427 return this._set[sStr]; 428 } 429 throw new Error('"' + aStr + '" is not in the set.'); 430 }; 431 432 /** 433 * What is the element at the given index? 434 * 435 * @param Number aIdx 436 */ 437 ArraySet.prototype.at = function ArraySet_at(aIdx) { 438 if (aIdx >= 0 && aIdx < this._array.length) { 439 return this._array[aIdx]; 440 } 441 throw new Error('No element indexed by ' + aIdx); 442 }; 443 444 /** 445 * Returns the array representation of this set (which has the proper indices 446 * indicated by indexOf). Note that this is a copy of the internal array used 447 * for storing the members so that no one can mess with internal state. 448 */ 449 ArraySet.prototype.toArray = function ArraySet_toArray() { 450 return this._array.slice(); 451 }; 452 453 exports.ArraySet = ArraySet; 454 455 },{"./util":9}],4:[function(require,module,exports){ 456 /* -*- Mode: js; js-indent-level: 2; -*- */ 457 /* 458 * Copyright 2011 Mozilla Foundation and contributors 459 * Licensed under the New BSD license. See LICENSE or: 460 * http://opensource.org/licenses/BSD-3-Clause 461 *
462 * Based on the Base 64 VLQ implementation in Closure Compiler: 463 * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java 464 * 465 * Copyright 2011 The Closure Compiler Authors. All rights reserved. 466 * Redistribution and use in source and binary forms, with or without 467 * modification, are permitted provided that the following conditions are 468 * met: 469 * 470 * * Redistributions of source code must retain the above copyright 471 * notice, this list of conditions and the following disclaimer. 472 * * Redistributions in binary form must reproduce the above 473 * copyright notice, this list of conditions and the following 474 * disclaimer in the documentation and/or other materials provided 475 * with the distribution. 476 * * Neither the name of Google Inc. nor the names of its 477 * contributors may be used to endorse or promote products derived 478 * from this software without specific prior written permission. 479 * 480 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 481 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 482 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 483 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 484 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 485 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 486 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 487 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 488 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 489 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 490 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 491 */ 492 493 var base64 = require('./base64'); 494 495 // A single base 64 digit can contain 6 bits of data. For the base 64 variable 496 // length quantities we use in the source map spec, the first bit is the sign, 497 // the next four bits are the actual value, and the 6th bit is the 498 // continuation bit. The continuation bit tells us whether there are more 499 // digits in this value following this digit. 500 // 501 // Continuation 502 // | Sign 503 // | | 504 // V V 505 // 101011 506 507 var VLQ_BASE_SHIFT = 5; 508 509 // binary: 100000 510 var VLQ_BASE = 1 << VLQ_BASE_SHIFT; 511 512 // binary: 011111 513 var VLQ_BASE_MASK = VLQ_BASE - 1; 514 515 // binary: 100000 516 var VLQ_CONTINUATION_BIT = VLQ_BASE; 517 518 /** 519 * Converts from a two-complement value to a value where the sign bit is 520 * placed in the least significant bit. For example, as decimals: 521 * 1 becomes 2 (10 binary), -1 becomes 3 (11 binary) 522 * 2 becomes 4 (100 binary), -2 becomes 5 (101 binary) 523 */ 524 function toVLQSigned(aValue) { 525 return aValue < 0 526 ? ((-aValue) << 1) + 1 527 : (aValue << 1) + 0; 528 } 529 530 /** 531 * Converts to a two-complement value from a value where the sign bit is 532 * placed in the least significant bit. For example, as decimals: 533 * 2 (10 binary) becomes 1, 3 (11 binary) becomes -1 534 * 4 (100 binary) becomes 2, 5 (101 binary) becomes -2 535 */ 536 function fromVLQSigned(aValue) { 537 var isNegative = (aValue & 1) === 1; 538 var shifted = aValue >> 1; 539 return isNegative 540 ? -shifted 541 : shifted; 542 } 543 544 /** 545 * Returns the base 64 VLQ encoded value. 546 */ 547 exports.encode = function base64VLQ_encode(aValue) { 548 var encoded = ""; 549 var digit; 550 551 var vlq = toVLQSigned(aValue); 552 553 do { 554 digit = vlq & VLQ_BASE_MASK; 555 vlq >>>= VLQ_BASE_SHIFT; 556 if (vlq > 0) { 557 // There are still more digits in this value, so we must make sure the 558 // continuation bit is marked. 559 digit |= VLQ_CONTINUATION_BIT; 560 } 561 encoded += base64.encode(digit); 562 } while (vlq > 0); 563 564 return encoded; 565 }; 566 567 /** 568 * Decodes the next base 64 VLQ value from the given string and returns the 569 * value and the rest of the string via the out parameter. 570 */ 571 exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) { 572 var strLen = aStr.length; 573 var result = 0; 574 var shift = 0; 575 var continuation, digit; 576 577 do { 578 if (aIndex >= strLen) { 579 throw new Error("Expected more digits in base 64 VLQ value."); 580 } 581 582 digit = base64.decode(aStr.charCodeAt(aIndex++)); 583 if (digit === -1) { 584 throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1)); 585 } 586 587 continuation = !!(digit & VLQ_CONTINUATION_BIT); 588 digit &= VLQ_BASE_MASK; 589 result = result + (digit << shift); 590 shift += VLQ_BASE_SHIFT; 591 } while (continuation); 592 593 aOutParam.value = fromVLQSigned(result); 594 aOutParam.rest = aIndex; 595 }; 596 597 },{"./base64":5}],5:[function(require,module,exports){ 598 /* -*- Mode: js; js-indent-level: 2; -*- */ 599 /* 600 * Copyright 2011 Mozilla Foundation and contributors 601 * Licensed under the New BSD license. See LICENSE or: 602 * http://opensource.org/licenses/BSD-3-Clause 603 */ 604 605 var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789
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605+/'.split(''); 606 607 /** 608 * Encode an integer in the range of 0 to 63 to a single base 64 digit. 609 */ 610 exports.encode = function (number) { 611 if (0 <= number && number < intToCharMap.length) { 612 return intToCharMap[number]; 613 } 614 throw new TypeError("Must be between 0 and 63: " + number); 615 }; 616 617 /** 618 * Decode a single base 64 character code digit to an integer. Returns -1 on 619 * failure. 620 */ 621 exports.decode = function (charCode) { 622 var bigA = 65; // 'A' 623 var bigZ = 90; // 'Z' 624 625 var littleA = 97; // 'a' 626 var littleZ = 122; // 'z' 627 628 var zero = 48; // '0' 629 var nine = 57; // '9' 630 631 var plus = 43; // '+' 632 var slash = 47; // '/' 633 634 var littleOffset = 26; 635 var numberOffset = 52; 636 637 // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ 638 if (bigA <= charCode && charCode <= bigZ) { 639 return (charCode - bigA); 640 } 641 642 // 26 - 51: abcdefghijklmnopqrstuvwxyz 643 if (littleA <= charCode && charCode <= littleZ) { 644 return (charCode - littleA + littleOffset); 645 } 646 647 // 52 - 61: 0123456789 648 if (zero <= charCode && charCode <= nine) { 649 return (charCode - zero + numberOffset); 650 } 651 652 // 62: + 653 if (charCode == plus) { 654 return 62; 655 } 656 657 // 63: / 658 if (charCode == slash) { 659 return 63; 660 } 661 662 // Invalid base64 digit. 663 return -1; 664 }; 665 666 },{}],6:[function(require,module,exports){ 667 /* -*- Mode: js; js-indent-level: 2; -*- */ 668 /* 669 * Copyright 2011 Mozilla Foundation and contributors 670 * Licensed under the New BSD license. See LICENSE or: 671 * http://opensource.org/licenses/BSD-3-Clause 672 */ 673 674 exports.GREATEST_LOWER_BOUND = 1; 675 exports.LEAST_UPPER_BOUND = 2; 676 677 /** 678 * Recursive implementation of binary search. 679 * 680 * @param aLow Indices here and lower do not contain the needle. 681 * @param aHigh Indices here and higher do not contain the needle. 682 * @param aNeedle The element being searched for. 683 * @param aHaystack The non-empty array being searched. 684 * @param aCompare Function which takes two elements and returns -1, 0, or 1. 685 * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or 686 * 'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the 687 * closest element that is smaller than or greater than the one we are 688 * searching for, respectively, if the exact element cannot be found. 689 */ 690 function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) { 691 // This function terminates when one of the following is true: 692 // 693 // 1. We find the exact element we are looking for. 694 // 695 // 2. We did not find the exact element, but we can return the index of 696 // the next-closest element. 697 // 698 // 3. We did not find the exact element, and there is no next-closest 699 // element than the one we are searching for, so we return -1. 700 var mid = Math.floor((aHigh - aLow) / 2) + aLow; 701 var cmp = aCompare(aNeedle, aHaystack[mid], true); 702 if (cmp === 0) { 703 // Found the element we are looking for. 704 return mid; 705 } 706 else if (cmp > 0) { 707 // Our needle is greater than aHaystack[mid]. 708 if (aHigh - mid > 1) { 709 // The element is in the upper half. 710 return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias); 711 } 712 713 // The exact needle element was not found in this haystack. Determine if 714 // we are in termination case (3) or (2) and return the appropriate thing. 715 if (aBias == exports.LEAST_UPPER_BOUND) { 716 return aHigh < aHaystack.length ? aHigh : -1; 717 } else { 718 return mid; 719 } 720 } 721 else { 722 // Our needle is less than aHaystack[mid]. 723 if (mid - aLow > 1) { 724 // The element is in the lower half. 725 return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias); 726 } 727 728 // we are in termination case (3) or (2) and return the appropriate thing. 729 if (aBias == exports.LEAST_UPPER_BOUND) { 730 return mid; 731 } else { 732 return aLow < 0 ? -1 : aLow; 733 } 734 } 735 } 736 737 /** 738 * This is an implementation of binary search which will always try and return 739 * the index of the closest element if there is no exact hit. This is because 740 * mappings between original and generated line/col pairs are single points, 741 * and there is an implicit region between each of them, so a miss just means 742 * that you aren't on the very start of a region. 743 * 744 * @param aNeedle The element you are looking for. 745 * @param aHaystack The array that is being searched. 746 * @param aCompare A function which takes the needle and an element in the 747 * array and returns -1, 0, or 1 depending on whether the needle is less 748 * than, equal to, or greater than the element, respectively. 749 * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or 750 * 'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the 751 * closest element that is smaller than or greater than the one we are 752 * searching for, respectively, if the exact element cannot be found. 753 * Defaults to 'binarySearch.GREATEST_LOWER_BOUND'. 754 */ 755 exports.search = function search(aNeedle, aHaystack, aCompare, aBias) { 756 if (aHaystack.length === 0) { 757 return -1; 758 } 759 760 var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack, 761 aCompare, aBias || exports.GREATEST_LOWER_BOUND); 762 if (index < 0) { 763 return -1; 764 } 765 766 // We have found either the exact element, or the next-closest element than 767 // the one we are searching for. However, there may be more than one such 768 // element. Make sure we always return the smallest of these. 769 while (index - 1 >= 0) { 770 if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) { 771 break; 772 } 773 --index; 774 } 775 776 return index; 777 }; 778 779 },{}],7:[function(require,module,exports){ 780 /* -*- Mode: js; js-indent-level: 2; -*- */ 781 /* 782 * Copyright 2011 Mozilla Foundation and contributors 783 * Licensed under the New BSD license. See LICENSE or: 784 * http://opensource.org/licenses/BSD-3-Clause 785 */ 786 787 // It turns out that some (most?) JavaScript engines don't self-host 788 // `Array.prototype.sort`. This makes sense because C++ will likely remain 789 // faster than JS when doing raw CPU-intensive sorting. However, when using a 790 // custom comparator function, calling back and forth between the VM's C++ and 791 // JIT'd JS is rather slow *and* loses JIT type information, resulting in 792 // worse generated code for the comparator function than would be optimal. In 793 // fact, when sorting with a comparator, these costs outweigh the benefits of 794 // sorting in C++. By using our own JS-implemented Quick Sort (below), we get 795 // a ~3500ms mean speed-up in `bench/bench.html`. 796 797 /** 798 * Swap the elements indexed by `x` and `y` in the array `ary`. 799 * 800 * @param {Array} ary 801 * The array. 802 * @param {Number} x 803 * The index of the first item. 804 * @param {Number} y 805 * The index of the second item. 806 */ 807 function swap(ary, x, y) { 808 var temp = ary[x]; 809 ary[x] = ary[y]; 810 ary[y] = temp; 811 } 812 813 /** 814 * Returns a random integer within the range `low .. high` inclusive. 815 * 816 * @param {Number} low 817 * The lower bound on the range. 818 * @param {Number} high 819 * The upper bound on the range. 820 */ 821 function randomIntInRange(low, high) { 822 return Math.round(low + (Math.random() * (high - low))); 823 } 824 825 /** 826 * The Quick Sort algorithm. 827 * 828 * @param {Array} ary 829 * An array to sort. 830 * @param {function} comparator 831 * Function to use to compare two items. 832 * @param {Number} p 833 * Start index of the array 834 * @param {Number} r 835 * End index of the array 836 */ 837 function doQuickSort(ary, comparator, p, r) { 838 // If our lower bound is less than our upper bound, we (1) partition the 839 // array into two pieces and (2) recurse on each half. If it is not, this is 840 // the empty array and our base case. 841 842 if (p < r) { 843 // (1) Partitioning. 844 // 845 // The partitioning chooses a pivot between `p` and `r` and moves all 846 // elements that are less than or equal to the pivot to the before it, and 847 // all the elements that are greater than it after it. The effect is that 848 // once partition is done, the pivot is in the exact place it will be when 849 // the array is put in sorted order, and it will not need to be moved 850 // again. This runs in O(n) time. 851 852 // Always choose a random pivot so that an input array which is reverse 853 // sorted does not cause O(n^2) running time. 854 var pivotIndex = randomIntInRange(p, r); 855 var i = p - 1; 856 857 swap(ary, pivotIndex, r); 858 var pivot = ary[r]; 859 860 // Immediately after `j` is incremented in this loop, the following hold 861 // true: 862 // 863 // * Every element in `ary[p .. i]` is less than or equal to the pivot. 864 // 865 // * Every element in `ary[i+1 .. j-1]` is greater than the pivot. 866 for (var j = p; j < r; j++) { 867 if (comparator(ary[j], pivot) <= 0) { 868 i += 1; 869 swap(ary, i, j); 870 } 871 } 872 873 swap(ary, i + 1, j); 874 var q = i + 1; 875 876 // (2) Recurse on each half. 877 878 doQuickSort(ary, comparator, p, q - 1); 879 doQuickSort(ary, comparator, q + 1, r); 880 } 881 } 882 883 /** 884 * Sort the given array in-place with the given comparator function. 885 * 886 * @param {Array} ary 887 * An array to sort. 888 * @param {function} comparator 889 * Function to use to compare two items. 890 */ 891 exports.quickSort = function (ary, comparator) { 892 doQuickSort(ary, comparator, 0, ary.length - 1); 893 }; 894 895 },{}],8:[function(require,module,exports){ 896 /* -*- Mode: js; js-indent-level: 2; -*- */ 897 /* 898 * Copyright 2011 Mozilla Foundation and contributors 899 * Licensed under the New BSD license. See LICENSE or: 900 * http://opensource.org/licenses/BSD-3-Clause 901 */ 902 903 var util = require('./util'); 904 var binarySearch = require('./binary-search'); 905 var ArraySet = require('./array-set').ArraySet; 906 var base64VLQ = require('./base64-vlq'); 907 var quickSort = require('./quick-sort').quickSort; 908 909 function SourceMapConsumer(aSourceMap) { 910 var sourceMap = aSourceMap; 911 if (typeof aSourceMap === 'string') { 912 sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, '')); 913 } 914 915 return sourceMap.sections != null 916 ? new IndexedSourceMapConsumer(sourceMap) 917 : new BasicSourceMapConsumer(sourceMap); 918 } 919 920 SourceMapConsumer.fromSourceMap = function(aSourceMap) { 921 return BasicSourceMapConsumer.fromSourceMap(aSourceMap); 922 } 923 924 /** 925 * The version of the source mapping spec that we are consuming. 926 */ 927 SourceMapConsumer.prototype._version = 3; 928 929 // `__generatedMappings` and `__originalMappings` are arrays that hold the 930 // parsed mapping coordinates from the source map's "mappings" attribute. They 931 // are lazily instantiated, accessed via the `_generatedMappings` and 932 // `_originalMappings` getters respectively, and we only parse the mappings 933 // and create these arrays once queried for a source location. We jump through 934 // these hoops because there can be many thousands of mappings, and parsing 935 // them is expensive, so we only want to do it if we must. 936 // 937 // Each object in the arrays is of the form: 938 // 939 // { 940 // generatedLine: The line number in the generated code, 941 // generatedColumn: The column number in the generated code, 942 // source: The path to the original source file that generated this 943 // chunk of code, 944 // originalLine: The line number in the original source that 945 // corresponds to this chunk of generated code, 946 // originalColumn: The column number in the original source that 947 // corresponds to this chunk of generated code, 948 // name: The name of the original symbol which generated this chunk of 949 // code. 950 // } 951 // 952 // All properties except for `generatedLine` and `generatedColumn` can be 953 // `null`. 954 // 955 // `_generatedMappings` is ordered by the generated positions. 956 // 957 // `_originalMappings` is ordered by the original positions. 958 959 SourceMapConsumer.prototype.__generatedMappings = null; 960 Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', { 961 get: function () { 962 if (!this.__generatedMappings) { 963 this._parseMappings(this._mappings, this.sourceRoot); 964 } 965 966 return this.__generatedMappings; 967 } 968 }); 969 970 SourceMapConsumer.prototype.__originalMappings = null; 971 Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', { 972 get: function () { 973 if (!this.__originalMappings) { 974 this._parseMappings(this._mappings, this.sourceRoot); 975 } 976 977 return this.__originalMappings; 978 } 979 }); 980 981 SourceMapConsumer.prototype._charIsMappingSeparator = 982 function SourceMapConsumer_charIsMappingSeparator(aStr, index) { 983 var c = aStr.charAt(index); 984 return c === ";" || c === ","; 985 }; 986 987 /** 988 * Parse the mappings in a string in to a data structure which we can easily 989 * query (the ordered arrays in the `this.__generatedMappings` and 990 * `this.__originalMappings` properties). 991 */ 992 SourceMapConsumer.prototype._parseMappings = 993 function SourceMapConsumer_parseMappings(aStr, aSourceRoot) { 994 throw new Error("Subclasses must implement _parseMappings"); 995 }; 996 997 SourceMapConsumer.GENERATED_ORDER = 1; 998 SourceMapConsumer.ORIGINAL_ORDER = 2; 999 1000 SourceMapConsumer.GREATEST_LOWER_BOUND = 1; 1001 SourceMapConsumer.LEAST_UPPER_BOUND = 2; 1002 1003 /** 1004 * Iterate over each mapping between an original source/line/column and a 1005 * generated line/column in this source map. 1006 * 1007 * @param Function aCallback 1008 * The function that is called with each mapping. 1009 * @param Object aContext 1010 * Optional. If specified, this object will be the value of `this` every 1011 * time that `aCallback` is called. 1012 * @param aOrder 1013 * Either `SourceMapConsumer.GENERATED_ORDER` or 1014 * `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to 1015 * iterate over the mappings sorted by the generated file's line/column 1016 * order or the original's source/line/column order, respectively. Defaults to 1017 * `SourceMapConsumer.GENERATED_ORDER`. 1018 */ 1019 SourceMapConsumer.prototype.eachMapping = 1020 function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) { 1021 var context = aContext || null; 1022 var order = aOrder || SourceMapConsumer.GENERATED_ORDER; 1023 1024 var mappings; 1025 switch (order) { 1026 case SourceMapConsumer.GENERATED_ORDER: 1027 mappings = this._generatedMappings; 1028 break; 1029 case SourceMapConsumer.ORIGINAL_ORDER: 1030 mappings = this._originalMappings; 1031 break; 1032 default: 1033 throw new Error("Unknown order of iteration."); 1034 } 1035 1036 var sourceRoot = this.sourceRoot; 1037 mappings.map(function (mapping) { 1038 var source = mapping.source === null ? null : this._sources.at(mapping.source); 1039 if (source != null && sourceRoot != null) { 1040 source = util.join(sourceRoot, source); 1041 } 1042 return { 1043 source: source, 1044 generatedLine: mapping.generatedLine, 1045 generatedColumn: mapping.generatedColumn, 1046 originalLine: mapping.originalLine, 1047 originalColumn: mapping.originalColumn, 1048 name: mapping.name === null ? null : this._names.at(mapping.name) 1049 }; 1050 }
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1050, this).forEach(aCallback, context); 1051 }; 1052 1053 /** 1054 * Returns all generated line and column information for the original source, 1055 * line, and column provided. If no column is provided, returns all mappings 1056 * corresponding to a either the line we are searching for or the next 1057 * closest line that has any mappings. Otherwise, returns all mappings 1058 * corresponding to the given line and either the column we are searching for 1059 * or the next closest column that has any offsets. 1060 * 1061 * The only argument is an object with the following properties: 1062 * 1063 * - source: The filename of the original source. 1064 * - line: The line number in the original source. 1065 * - column: Optional. the column number in the original source. 1066 * 1067 * and an array of objects is returned, each with the following properties: 1068 * 1069 * - line: The line number in the generated source, or null. 1070 * - column: The column number in the generated source, or null. 1071 */ 1072 SourceMapConsumer.prototype.allGeneratedPositionsFor = 1073 function SourceMapConsumer_allGeneratedPositionsFor(aArgs) { 1074 var line = util.getArg(aArgs, 'line'); 1075 1076 // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping 1077 // returns the index of the closest mapping less than the needle. By 1078 // setting needle.originalColumn to 0, we thus find the last mapping for 1079 // the given line, provided such a mapping exists. 1080 var needle = { 1081 source: util.getArg(aArgs, 'source'), 1082 originalLine: line, 1083 originalColumn: util.getArg(aArgs, 'column', 0) 1084 }; 1085 1086 if (this.sourceRoot != null) { 1087 needle.source = util.relative(this.sourceRoot, needle.source); 1088 } 1089 if (!this._sources.has(needle.source)) { 1090 return []; 1091 } 1092 needle.source = this._sources.indexOf(needle.source); 1093 1094 var mappings = []; 1095 1096 var index = this._findMapping(needle, 1097 this._originalMappings, 1098 "originalLine", 1099 "originalColumn", 1100 util.compareByOriginalPositions, 1101 binarySearch.LEAST_UPPER_BOUND); 1102 if (index >= 0) { 1103 var mapping = this._originalMappings[index]; 1104 1105 if (aArgs.column === undefined) { 1106 var originalLine = mapping.originalLine; 1107 1108 // Iterate until either we run out of mappings, or we run into 1109 // a mapping for a different line than the one we found. Since 1110 // mappings are sorted, this is guaranteed to find all mappings for 1111 // the line we found. 1112 while (mapping && mapping.originalLine === originalLine) { 1113 mappings.push({ 1114 line: util.getArg(mapping, 'generatedLine', null), 1115 column: util.getArg(mapping, 'generatedColumn', null), 1116 lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null) 1117 }); 1118 1119 mapping = this._originalMappings[++index]; 1120 } 1121 } else { 1122 var originalColumn = mapping.originalColumn; 1123 1124 // Iterate until either we run out of mappings, or we run into 1125 // a mapping for a different line than the one we were searching for. 1126 // Since mappings are sorted, this is guaranteed to find all mappings for 1127 // the line we are searching for. 1128 while (mapping && 1129 mapping.originalLine === line && 1130 mapping.originalColumn == originalColumn) { 1131 mappings.push({ 1132 line: util.getArg(mapping, 'generatedLine', null), 1133 column: util.getArg(mapping, 'generatedColumn', null), 1134 lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null) 1135 }); 1136 1137 mapping = this._originalMappings[++index]; 1138 } 1139 } 1140 } 1141 1142 return mappings; 1143 }; 1144 1145 exports.SourceMapConsumer = SourceMapConsumer; 1146 1147 /** 1148 * A BasicSourceMapConsumer instance represents a parsed source map which we can 1149 * query for information about the original file positions by giving it a file 1150 * position in the generated source. 1151 * 1152 * The only parameter is the raw source map (either as a JSON string, or 1153 * already parsed to an object). According to the spec, source maps have the 1154 * following attributes: 1155 * 1156 * - version: Which version of the source map spec this map is following. 1157 * - sources: An array of URLs to the original source files. 1158 * - names: An array of identifiers which can be referrenced by individual mappings. 1159 * - sourceRoot: Optional. The URL root from which all sources are relative. 1160 * - sourcesContent: Optional. An array of contents of the original source files. 1161 * - mappings: A string of base64 VLQs which contain the actual mappings. 1162 * - file: Optional. The generated file this source map is associated with. 1163 * 1164 * Here is an example source map, taken from the source map spec[0]: 1165 * 1166 * { 1167 * version : 3, 1168 * file: "out.js", 1169 * sourceRoot : "", 1170 * sources: ["foo.js", "bar.js"], 1171 * names: ["src", "maps", "are", "fun"], 1172 * mappings: "AA,AB;;ABCDE;" 1173 * } 1174 * 1175 * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1# 1176 */ 1177 function BasicSourceMapConsumer(aSourceMap) { 1178 var sourceMap = aSourceMap; 1179 if (typeof aSourceMap === 'string') { 1180 sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, '')); 1181 } 1182 1183 var version = util.getArg(sourceMap, 'version'); 1184 var sources = util.getArg(sourceMap, 'sources'); 1185 // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which 1186 // requires the array) to play nice here. 1187 var names = util.getArg(sourceMap, 'names', []); 1188 var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null); 1189 var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null); 1190 var mappings = util.getArg(sourceMap, 'mappings'); 1191 var file = util.getArg(sourceMap, 'file', null); 1192 1193 // Once again, Sass deviates from the spec and supplies the version as a 1194 // string rather than a number, so we use loose equality checking here. 1195 if (version != this._version) { 1196 throw new Error('Unsupported version: ' + version); 1197 } 1198 1199 sources = sources 1200 .map(String) 1201 // Some source maps produce relative source paths like "./foo.js" instead of 1202 // "foo.js". Normalize these first so that future comparisons will succeed. 1203 // See bugzil.la/1090768. 1204 .map(util.normalize) 1205 // Always ensure that absolute sources are internally stored relative to 1206 // the source root, if the source root is absolute. Not doing this would 1207 // be particularly problematic when the source root is a prefix of the 1208 // source (valid, but why??). See github issue #199 and bugzil.la/1188982. 1209 .map(function (source) { 1210 return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source) 1211 ? util.relative(sourceRoot, source) 1212 : source; 1213 }); 1214 1215 // Pass `true` below to allow duplicate names and sources. While source maps 1216 // are intended to be compressed and deduplicated, the TypeScript compiler 1217 // sometimes generates source maps with duplicates in them. See Github issue 1218 // #72 and bugzil.la/889492. 1219 this._names = ArraySet.fromArray(names.map(String), true); 1220 this._sources = ArraySet.fromArray(sources, true); 1221 1222 this.sourceRoot = sourceRoot; 1223 this.sourcesContent = sourcesContent; 1224 this._mappings = mappings; 1225 this.file = file; 1226 } 1227 1228 BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype); 1229 BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer; 1230 1231 /** 1232 * Create a BasicSourceMapConsumer from a SourceMapGenerator. 1233 * 1234 * @param SourceMapGenerator aSourceMap 1235 * The source map that will be consumed. 1236 * @returns BasicSourceMapConsumer 1237 */ 1238 BasicSourceMapConsumer.fromSourceMap = 1239 function SourceMapConsumer_fromSourceMap(aSourceMap) { 1240 var smc = Object.create(BasicSourceMapConsumer.prototype); 1241 1242 var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true); 1243 var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true); 1244 smc.sourceRoot = aSourceMap._sourceRoot; 1245 smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(), 1246 smc.sourceRoot); 1247 smc.file = aSourceMap._file; 1248
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1249 // Because we are modifying the entries (by converting string sources and 1250 // names to indices into the sources and names ArraySets), we have to make 1251 // a copy of the entry or else bad things happen. Shared mutable state 1252 // strikes again! See github issue #191. 1253 1254 var generatedMappings = aSourceMap._mappings.toArray().slice(); 1255 var destGeneratedMappings = smc.__generatedMappings = []; 1256 var destOriginalMappings = smc.__originalMappings = []; 1257 1258 for (var i = 0, length = generatedMappings.length; i < length; i++) { 1259 var srcMapping = generatedMappings[i]; 1260 var destMapping = new Mapping; 1261 destMapping.generatedLine = srcMapping.generatedLine; 1262 destMapping.generatedColumn = srcMapping.generatedColumn; 1263 1264 if (srcMapping.source) { 1265 destMapping.source = sources.indexOf(srcMapping.source); 1266 destMapping.originalLine = srcMapping.originalLine; 1267 destMapping.originalColumn = srcMapping.originalColumn; 1268 1269 if (srcMapping.name) { 1270 destMapping.name = names.indexOf(srcMapping.name); 1271 } 1272 1273 destOriginalMappings.push(destMapping); 1274 } 1275 1276 destGeneratedMappings.push(destMapping); 1277 } 1278 1279 quickSort(smc.__originalMappings, util.compareByOriginalPositions); 1280 1281 return smc; 1282 }; 1283 1284 /** 1285 * The version of the source mapping spec that we are consuming. 1286 */ 1287 BasicSourceMapConsumer.prototype._version = 3; 1288 1289 /** 1290 * The list of original sources. 1291 */ 1292 Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', { 1293 get: function () { 1294 return this._sources.toArray().map(function (s) { 1295 return this.sourceRoot != null ? util.join(this.sourceRoot, s) : s; 1296 }, this); 1297 } 1298 }); 1299 1300 /** 1301 * Provide the JIT with a nice shape / hidden class. 1302 */ 1303 function Mapping() { 1304 this.generatedLine = 0; 1305 this.generatedColumn = 0; 1306 this.source = null; 1307 this.originalLine = null; 1308 this.originalColumn = null; 1309 this.name = null; 1310 } 1311 1312 /** 1313 * Parse the mappings in a string in to a data structure which we can easily 1314 * query (the ordered arrays in the `this.__generatedMappings` and 1315 * `this.__originalMappings` properties). 1316 */ 1317 BasicSourceMapConsumer.prototype._parseMappings = 1318 function SourceMapConsumer_parseMappings(aStr, aSourceRoot) { 1319 var generatedLine = 1; 1320 var previousGeneratedColumn = 0; 1321 var previousOriginalLine = 0; 1322 var previousOriginalColumn = 0; 1323 var previousSource = 0; 1324 var previousName = 0; 1325 var length = aStr.length; 1326 var index = 0; 1327 var cachedSegments = {}; 1328 var temp = {}; 1329 var originalMappings = []; 1330 var generatedMappings = []; 1331 var mapping, str, segment, end, value; 1332 1333 while (index < length) { 1334 if (aStr.charAt(index) === ';') { 1335 generatedLine++; 1336 index++; 1337 previousGeneratedColumn = 0; 1338 } 1339 else if (aStr.charAt(index) === ',') { 1340 index++; 1341 } 1342 else { 1343 mapping = new Mapping(); 1344 mapping.generatedLine = generatedLine; 1345 1346 // Because each offset is encoded relative to the previous one, 1347 // many segments often have the same encoding. We can exploit this 1348 // fact by caching the parsed variable length fields of each segment, 1349 // allowing us to avoid a second parse if we encounter the same 1350 // segment again. 1351 for (end = index; end < length; end++) { 1352 if (this._charIsMappingSeparator(aStr, end)) { 1353 break; 1354 } 1355 } 1356 str = aStr.slice(index, end); 1357 1358 segment = cachedSegments[str]; 1359 if (segment) { 1360 index += str.length; 1361 } else { 1362 segment = []; 1363 while (index < end) { 1364 base64VLQ.decode(aStr, index, temp); 1365 value = temp.value; 1366 index = temp.rest; 1367 segment.push(value); 1368 } 1369 1370 if (segment.length === 2) { 1371 throw new Error('Found a source, but no line and column'); 1372 } 1373 1374 if (segment.length === 3) { 1375 throw new Error('Found a source and line, but no column'); 1376 } 1377 1378 cachedSegments[str] = segment; 1379 } 1380 1381 // Generated column. 1382 mapping.generatedColumn = previousGeneratedColumn + segment[0]; 1383 previousGeneratedColumn = mapping.generatedColumn; 1384 1385 if (segment.length > 1) { 1386 // Original source. 1387 mapping.source = previousSource + segment[1]; 1388 previousSource += segment[1]; 1389 1390 // Original line. 1391 mapping.originalLine = previousOriginalLine + segment[2]; 1392 previousOriginalLine = mapping.originalLine; 1393 // Lines are stored 0-based 1394 mapping.originalLine += 1; 1395 1396 // Original column. 1397 mapping.originalColumn = previousOriginalColumn + segment[3]; 1398 previousOriginalColumn = mapping.originalColumn; 1399 1400 if (segment.length > 4) { 1401 // Original name. 1402 mapping.name = previousName + segment[4]; 1403 previousName += segment[4]; 1404 } 1405 } 1406 1407 generatedMappings.push(mapping); 1408 if (typeof mapping.originalLine === 'number') { 1409 originalMappings.push(mapping); 1410 } 1411 } 1412 } 1413 1414 quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated); 1415 this.__generatedMappings = generatedMappings; 1416 1417 quickSort(originalMappings, util.compareByOriginalPositions); 1418 this.__originalMappings = originalMappings; 1419 }; 1420 1421 /** 1422 * Find the mapping that best matches the hypothetical "needle" mapping that 1423 * we are searching for in the given "haystack" of mappings. 1424 */ 1425 BasicSourceMapConsumer.prototype._findMapping = 1426 function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName, 1427 aColumnName, aComparator, aBias) { 1428 // To return the position we are searching for, we must first find the 1429 // mapping for the given position and then return the opposite position it 1430 // points to. Because the mappings are sorted, we can use binary search to 1431 // find the best mapping. 1432 1433 if (aNeedle[aLineName] <= 0) { 1434 throw new TypeError('Line must be greater than or equal to 1, got ' 1435 + aNeedle[aLineName]); 1436 } 1437 if (aNeedle[aColumnName] < 0) { 1438 throw new TypeError('Column must be greater than or equal to 0, got ' 1439 + aNeedle[aColumnName]); 1440 } 1441 1442 return binarySearch.search(aNeedle, aMappings, aComparator, aBias); 1443 }; 1444 1445 /** 1446 * Compute the last column for each generated mapping. The last column is 1447 * inclusive. 1448 */ 1449 BasicSourceMapConsumer.prototype.computeColumnSpans = 1450 function SourceMapConsumer_computeColumnSpans() { 1451 for (var index = 0; index < this._generatedMappings.length; ++index) { 1452 var mapping = this._generatedMappings[index]; 1453 1454 // Mappings do not contain a field for the last generated columnt. We 1455 // can come up with an optimistic estimate, however, by assuming that 1456 // mappings are contiguous (i.e. given two consecutive mappings, the 1457 // first mapping ends where the second one starts). 1458 if (index + 1 < this._generatedMappings.length) { 1459 var nextMapping = this._generatedMappings[index + 1]; 1460 1461 if (mapping.generatedLine === nextMapping.generatedLine) { 1462 mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1; 1463 continue; 1464 } 1465 } 1466 1467 // The last mapping for each line spans the entire line. 1468 mapping.lastGeneratedColumn = Infinity; 1469 } 1470 }; 1471 1472 /** 1473 * Returns the original source, line, and column information for the generated 1474 * source's line and column positions provided. The only argument is an object 1475 * with the following properties: 1476 * 1477 * - line: The line number in the generated source. 1478 * - column: The column number in the generated source. 1479 * - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or 1480 * 'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the 1481 * closest element that is smaller than or greater than the one we are 1482 * searching for, respectively, if the exact element cannot be found. 1483 * Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'. 1484 * 1485 * and an object is returned with the following properties: 1486 * 1487 * - source: The original source file, or null. 1488 * - line: The line number in the original source, or null. 1489 * - column: The column number in the original source, or null. 1490 * - name: The original identifier, or null. 1491 */ 1492 BasicSourceMapConsumer.prototype.originalPositionFor = 1493 function SourceMapConsumer_originalPositionFor(aArgs) { 1494 var needle = { 1495 generatedLine: util.getArg(aArgs, 'line'), 1496 generatedColumn: util.getArg(aArgs, 'column') 1497 }; 1498 1499 var index = this._findMapping( 1500 needle, 1501 this._generatedMappings, 1502 "generatedLine", 1503 "generatedColumn", 1504 util.compareByGeneratedPositionsDeflated, 1505 util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND) 1506 ); 1507 1508 if (index >= 0) { 1509 var mapping = this._generatedMappings[index]; 1510 1511 if (mapping.generatedLine === needle.generatedLine) { 1512 var source = util.getArg(mapping, 'source', null); 1513 if (source !== null) { 1514 source = this._sources.at(source); 1515 if (this.sourceRoot != null) { 1516 source = util.join(this.sourceRoot, source); 1517 } 1518 } 1519 var name = util.getArg(mapping, 'name', null); 1520 if (name !== null) { 1521 name = this._names.at(name); 1522 } 1523 return { 1524 source: source, 1525 line: util.getArg(mapping, 'originalLine', null), 1526 column: util.getArg(mapping, 'originalColumn', null), 1527 name: name 1528 }; 1529 } 1530 } 1531 1532 return { 1533 source: null, 1534 line: null, 1535 column: null, 1536 name: null 1537 }; 1538 }; 1539 1540 /** 1541 * Return true if we have the source content for every source in the source 1542 * map, false otherwise. 1543 */ 1544 BasicSourceMapConsumer.prototype.hasContentsOfAllSources = 1545 function BasicSourceMapConsumer_hasContentsOfAllSources() { 1546 if (!this.sourcesContent) { 1547 return false; 1548 } 1549 return this.sourcesContent.length >= this._sources.size() && 1550 !this.sourcesContent.some(function (sc) { return sc == null; }); 1551 }; 1552 1553 /** 1554 * Returns the original source content. The only argument is the url of the 1555 * original source file. Returns null if no original source content is 1556 * available. 1557 */ 1558 BasicSourceMapConsumer.prototype.sourceContentFor = 1559 function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) { 1560 if (!this.sourcesContent) { 1561 return null; 1562 } 1563 1564 if (this.sourceRoot != null) { 1565 aSource = util.relative(this.sourceRoot, aSource); 1566 } 1567 1568 if (this._sources.has(aSource)) { 1569 return this.sourcesContent[this._sources.indexOf(aSource)]; 1570 } 1571 1572 var url; 1573 if (this.sourceRoot != null 1574 && (url = util.urlParse(this.sourceRoot))) { 1575 // XXX: file:// URIs and absolute paths lead to unexpected behavior for 1576 // many users. We can help them out when they expect file:// URIs to 1577 // behave like it would if they were running a local HTTP server. See 1578 // https://bugzilla.mozilla.org/show_bug.cgi?id=885597. 1579 var fileUriAbsPath = aSource.replace(/^file:\/\//, ""); 1580 if (url.scheme == "file" 1581 && this._sources.has(fileUriAbsPath)) { 1582 return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)] 1583 } 1584 1585 if ((!url.path || url.path == "/") 1586 && this._sources.has("/" + aSource)) { 1587 return this.sourcesContent[this._sources.indexOf("/" + aSource)]; 1588 } 1589 } 1590 1591 // This function is used recursively from 1592 // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we 1593 // don't want to throw if we can't find the source - we just want to 1594 // return null, so we provide a flag to exit gracefully. 1595 if (nullOnMissing) { 1596 return null; 1597 } 1598 else { 1599 throw new Error('"' + aSource + '" is not in the SourceMap.'); 1600 } 1601 }; 1602 1603 /** 1604 * Returns the generated line and column information for the original source, 1605 * line, and column positions provided. The only argument is an object with 1606 * the following properties: 1607 * 1608 * - source: The filename of the original source. 1609 * - line: The line number in the original source. 1610 * - column: The column number in the original source. 1611 * - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or 1612 * 'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the 1613 * closest element that is smaller than or greater than the one we are 1614 * searching for, respectively, if the exact element cannot be found. 1615 * Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'. 1616 * 1617 * and an object is returned with the following properties: 1618 * 1619 * - line: The line number in the generated source, or null. 1620 * - column: The column number in the generated source, or null. 1621 */ 1622 BasicSourceMapConsumer.prototype.generatedPositionFor = 1623 function SourceMapConsumer_generatedPositionFor(aArgs) { 1624 var source = util.getArg(aArgs, 'source'); 1625 if (this.sourceRoot != null) { 1626 source = util.relative(this.sourceRoot, source); 1627 } 1628 if (!this._sources.has(source)) { 1629 return { 1630 line: null, 1631 column: null, 1632 lastColumn: null 1633 }; 1634 } 1635 source = this._sources.indexOf(source); 1636 1637 var needle = { 1638 source: source, 1639 originalLine: util.getArg(aArgs, 'line'), 1640 originalColumn: util.getArg(aArgs, 'column') 1641 }; 1642 1643 var index = this._findMapping( 1644 needle, 1645 this._originalMappings, 1646 "originalLine", 1647 "originalColumn", 1648 util.compareByOriginalPositions, 1649 util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND) 1650 ); 1651 1652 if (index >= 0) { 1653 var mapping = this._originalMappings[index]; 1654 1655 if (mapping.source === needle.source) { 1656 return { 1657 line: util.getArg(mapping, 'generatedLine', null), 1658 column: util.getArg(mapping, 'generatedColumn', null), 1659 lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null) 1660 }; 1661 } 1662 } 1663 1664 return { 1665 line: null, 1666 column: null, 1667 lastColumn: null 1668 }; 1669 }; 1670 1671 exports.BasicSourceMapConsumer = BasicSourceMapConsumer; 1672 1673 /** 1674 * An IndexedSourceMapConsumer instance represents a parsed source map which 1675 * we can query for information. It differs from BasicSourceMapConsumer in 1676 * that it takes "indexed" source maps (i.e. ones with a "sections" field) as 1677 * input. 1678 * 1679 * The only parameter is a raw source map (either as a JSON string, or already 1680 * parsed to an object). According to the spec for indexed source maps, they 1681 * have the following attributes: 1682 * 1683 * - version: Which version of the source map spec this map is following. 1684 * - file: Optional. The generated file this source map is associated with. 1685 * - sections: A list of section definitions. 1686 * 1687 * Each value under the "sections" field has two fields: 1688 * - offset: The offset into the original specified at which this section 1689 * begins to apply, defined as an object with a "line" and "column" 1690 * field. 1691 * - map: A source map definition. This source map could also be indexed, 1692 * but doesn't have to be. 1693 * 1694 * Instead of the "map" field, it's also possible to have a "url" field 1695 * specifying a URL to retrieve a source map from, but that's currently 1696 * unsupported. 1697 * 1698 * Here's an example source map, taken from the source map spec[0], but 1699 * modified to omit a section which uses the "url" field. 1700 * 1701 * { 1702 * version : 3, 1703 * file: "app.js", 1704 * sections: [{ 1705 * offset: {line:100, column:10}, 1706 * map: { 1707 * version : 3, 1708 * file: "section.js", 1709 * sources: ["foo.js", "bar.js"], 1710 * names: ["src", "maps", "are", "fun"], 1711 * mappings: "AAAA,E;;ABCDE;" 1712 * } 1713 * }], 1714 * } 1715 * 1716 * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt 1717 */ 1718 function IndexedSourceMapConsumer(aSourceMap) { 1719 var sourceMap = aSourceMap; 1720 if (typeof aSourceMap === 'string') { 1721 sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, '')); 1722 } 1723 1724 var version = util.getArg(sourceMap, 'version'); 1725 var sections = util.getArg(sourceMap, 'sections'); 1726 1727 if (version != this._version) { 1728 throw new Error('Unsupported version: ' + version); 1729 } 1730 1731 this._sources = new ArraySet(); 1732 this._names = new ArraySet(); 1733 1734 var lastOffset = { 1735 line: -1, 1736 column: 0 1737 }; 1738 this._sections = sections.map(function (s) { 1739 if (s.url) { 1740 // The url field will require support for asynchronicity. 1741 // See https://github.com/mozilla/source-map/issues/16 1742 throw new Error('Support for url field in sections not implemented.'); 1743 } 1744 var offset = util.getArg(s, 'offset'); 1745 var offsetLine = util.getArg(offset, 'line'); 1746 var offsetColumn = util.getArg(offset, 'column'); 1747 1748 if (offsetLine < lastOffset.line || 1749 (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) { 1750 throw new Error('Section offsets must be ordered and non-overlapping.'); 1751 } 1752 lastOffset = offset; 1753 1754 return { 1755 generatedOffset: { 1756 // The offset fields are 0-based, but we use 1-based indices when 1757 // encoding/decoding from VLQ. 1758 generatedLine: offsetLine + 1, 1759 generatedColumn: offsetColumn + 1 1760 }, 1761 consumer: new SourceMapConsumer(util.getArg(s, 'map')) 1762 } 1763 }); 1764 } 1765 1766 IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype); 1767 IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer; 1768 1769 /** 1770 * The version of the source mapping spec that we are consuming. 1771 */ 1772 IndexedSourceMapConsumer.prototype._version = 3; 1773 1774 /** 1775 * The list of original sources. 1776 */ 1777 Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', { 1778 get: function () { 1779 var sources = []; 1780 for (var i = 0; i < this._sections.length; i++) { 1781 for (var j = 0; j < this._sections[i].consumer.sources.length; j++) { 1782 sources.push(this._sections[i].consumer.sources[j]); 1783 } 1784 } 1785 return sources; 1786 } 1787 }); 1788 1789 /** 1790 * Returns the original source, line, and column information for the generated 1791 * source's line and column positions provided. The only argument is an object 1792 * with the following properties: 1793 * 1794 * - line: The line number in the generated source. 1795 * - column: The column number in the generated source. 1796 * 1797 * and an object is returned with the following properties: 1798 * 1799 * - source: The original source file, or null. 1800 * - line: The line number in the original source, or null. 1801 * - column: The column number in the original source, or null. 1802 * - name: The original identifier, or null. 1803 */ 1804 IndexedSourceMapConsumer.prototype.originalPositionFor =
vendor: 26,865 bytes, lines 1805-2623
1805 function IndexedSourceMapConsumer_originalPositionFor(aArgs) { 1806 var needle = { 1807 generatedLine: util.getArg(aArgs, 'line'), 1808 generatedColumn: util.getArg(aArgs, 'column') 1809 }; 1810 1811 // Find the section containing the generated position we're trying to map 1812 // to an original position. 1813 var sectionIndex = binarySearch.search(needle, this._sections, 1814 function(needle, section) { 1815 var cmp = needle.generatedLine - section.generatedOffset.generatedLine; 1816 if (cmp) { 1817 return cmp; 1818 } 1819 1820 return (needle.generatedColumn - 1821 section.generatedOffset.generatedColumn); 1822 }); 1823 var section = this._sections[sectionIndex]; 1824 1825 if (!section) { 1826 return { 1827 source: null, 1828 line: null, 1829 column: null, 1830 name: null 1831 }; 1832 } 1833 1834 return section.consumer.originalPositionFor({ 1835 line: needle.generatedLine - 1836 (section.generatedOffset.generatedLine - 1), 1837 column: needle.generatedColumn - 1838 (section.generatedOffset.generatedLine === needle.generatedLine 1839 ? section.generatedOffset.generatedColumn - 1 1840 : 0), 1841 bias: aArgs.bias 1842 }); 1843 }; 1844 1845 /** 1846 * Return true if we have the source content for every source in the source 1847 * map, false otherwise. 1848 */ 1849 IndexedSourceMapConsumer.prototype.hasContentsOfAllSources = 1850 function IndexedSourceMapConsumer_hasContentsOfAllSources() { 1851 return this._sections.every(function (s) { 1852 return s.consumer.hasContentsOfAllSources(); 1853 }); 1854 }; 1855 1856 /** 1857 * Returns the original source content. The only argument is the url of the 1858 * original source file. Returns null if no original source content is 1859 * available. 1860 */ 1861 IndexedSourceMapConsumer.prototype.sourceContentFor = 1862 function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) { 1863 for (var i = 0; i < this._sections.length; i++) { 1864 var section = this._sections[i]; 1865 1866 var content = section.consumer.sourceContentFor(aSource, true); 1867 if (content) { 1868 return content; 1869 } 1870 } 1871 if (nullOnMissing) { 1872 return null; 1873 } 1874 else { 1875 throw new Error('"' + aSource + '" is not in the SourceMap.'); 1876 } 1877 }; 1878 1879 /** 1880 * Returns the generated line and column information for the original source, 1881 * line, and column positions provided. The only argument is an object with 1882 * the following properties: 1883 * 1884 * - source: The filename of the original source. 1885 * - line: The line number in the original source. 1886 * - column: The column number in the original source. 1887 * 1888 * and an object is returned with the following properties: 1889 * 1890 * - line: The line number in the generated source, or null. 1891 * - column: The column number in the generated source, or null. 1892 */ 1893 IndexedSourceMapConsumer.prototype.generatedPositionFor = 1894 function IndexedSourceMapConsumer_generatedPositionFor(aArgs) { 1895 for (var i = 0; i < this._sections.length; i++) { 1896 var section = this._sections[i]; 1897 1898 // Only consider this section if the requested source is in the list of 1899 // sources of the consumer. 1900 if (section.consumer.sources.indexOf(util.getArg(aArgs, 'source')) === -1) { 1901 continue; 1902 } 1903 var generatedPosition = section.consumer.generatedPositionFor(aArgs); 1904 if (generatedPosition) { 1905 var ret = { 1906 line: generatedPosition.line + 1907 (section.generatedOffset.generatedLine - 1), 1908 column: generatedPosition.column + 1909 (section.generatedOffset.generatedLine === generatedPosition.line 1910 ? section.generatedOffset.generatedColumn - 1 1911 : 0) 1912 }; 1913 return ret; 1914 } 1915 } 1916 1917 return { 1918 line: null, 1919 column: null 1920 }; 1921 }; 1922 1923 /** 1924 * Parse the mappings in a string in to a data structure which we can easily 1925 * query (the ordered arrays in the `this.__generatedMappings` and 1926 * `this.__originalMappings` properties). 1927 */ 1928 IndexedSourceMapConsumer.prototype._parseMappings = 1929 function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) { 1930 this.__generatedMappings = []; 1931 this.__originalMappings = []; 1932 for (var i = 0; i < this._sections.length; i++) { 1933 var section = this._sections[i]; 1934 var sectionMappings = section.consumer._generatedMappings; 1935 for (var j = 0; j < sectionMappings.length; j++) { 1936 var mapping = sectionMappings[j]; 1937 1938 var source = section.consumer._sources.at(mapping.source); 1939 if (section.consumer.sourceRoot !== null) { 1940 source = util.join(section.consumer.sourceRoot, source); 1941 } 1942 this._sources.add(source); 1943 source = this._sources.indexOf(source); 1944 1945 var name = section.consumer._names.at(mapping.name); 1946 this._names.add(name); 1947 name = this._names.indexOf(name); 1948 1949 // The mappings coming from the consumer for the section have 1950 // generated positions relative to the start of the section, so we 1951 // need to offset them to be relative to the start of the concatenated 1952 // generated file. 1953 var adjustedMapping = { 1954 source: source, 1955 generatedLine: mapping.generatedLine + 1956 (section.generatedOffset.generatedLine - 1), 1957 generatedColumn: mapping.generatedColumn + 1958 (section.generatedOffset.generatedLine === mapping.generatedLine 1959 ? section.generatedOffset.generatedColumn - 1 1960 : 0), 1961 originalLine: mapping.originalLine, 1962 originalColumn: mapping.originalColumn, 1963 name: name 1964 }; 1965 1966 this.__generatedMappings.push(adjustedMapping); 1967 if (typeof adjustedMapping.originalLine === 'number') { 1968 this.__originalMappings.push(adjustedMapping); 1969 } 1970 } 1971 } 1972 1973 quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated); 1974 quickSort(this.__originalMappings, util.compareByOriginalPositions); 1975 }; 1976 1977 exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer; 1978 1979 },{"./array-set":3,"./base64-vlq":4,"./binary-search":6,"./quick-sort":7,"./util":9}],9:[function(require,module,exports){ 1980 /* -*- Mode: js; js-indent-level: 2; -*- */ 1981 /* 1982 * Copyright 2011 Mozilla Foundation and contributors 1983 * Licensed under the New BSD license. See LICENSE or: 1984 * http://opensource.org/licenses/BSD-3-Clause 1985 */ 1986 1987 /** 1988 * This is a helper function for getting values from parameter/options 1989 * objects. 1990 * 1991 * @param args The object we are extracting values from 1992 * @param name The name of the property we are getting. 1993 * @param defaultValue An optional value to return if the property is missing 1994 * from the object. If this is not specified and the property is missing, an 1995 * error will be thrown. 1996 */ 1997 function getArg(aArgs, aName, aDefaultValue) { 1998 if (aName in aArgs) { 1999 return aArgs[aName]; 2000 } else if (arguments.length === 3) { 2001 return aDefaultValue; 2002 } else { 2003 throw new Error('"' + aName + '" is a required argument.'); 2004 } 2005 } 2006 exports.getArg = getArg; 2007 2008 var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.]*)(?::(\d+))?(\S*)$/; 2009 var dataUrlRegexp = /^data:.+\,.+$/; 2010 2011 function urlParse(aUrl) { 2012 var match = aUrl.match(urlRegexp); 2013 if (!match) { 2014 return null; 2015 } 2016 return { 2017 scheme: match[1], 2018 auth: match[2], 2019 host: match[3], 2020 port: match[4], 2021 path: match[5] 2022 }; 2023 } 2024 exports.urlParse = urlParse; 2025 2026 function urlGenerate(aParsedUrl) { 2027 var url = ''; 2028 if (aParsedUrl.scheme) { 2029 url += aParsedUrl.scheme + ':'; 2030 } 2031 url += '//'; 2032 if (aParsedUrl.auth) { 2033 url += aParsedUrl.auth + '@'; 2034 } 2035 if (aParsedUrl.host) { 2036 url += aParsedUrl.host; 2037 } 2038 if (aParsedUrl.port) { 2039 url += ":" + aParsedUrl.port 2040 } 2041 if (aParsedUrl.path) { 2042 url += aParsedUrl.path; 2043 } 2044 return url; 2045 } 2046 exports.urlGenerate = urlGenerate; 2047 2048 /** 2049 * Normalizes a path, or the path portion of a URL: 2050 * 2051 * - Replaces consecutive slashes with one slash. 2052 * - Removes unnecessary '.' parts. 2053 * - Removes unnecessary '<dir>/..' parts. 2054 * 2055 * Based on code in the Node.js 'path' core module. 2056 * 2057 * @param aPath The path or url to normalize. 2058 */ 2059 function normalize(aPath) { 2060 var path = aPath; 2061 var url = urlParse(aPath); 2062 if (url) { 2063 if (!url.path) { 2064 return aPath; 2065 } 2066 path = url.path; 2067 } 2068 var isAbsolute = exports.isAbsolute(path); 2069 2070 var parts = path.split(/\/+/); 2071 for (var part, up = 0, i = parts.length - 1; i >= 0; i--) { 2072 part = parts[i]; 2073 if (part === '.') { 2074 parts.splice(i, 1); 2075 } else if (part === '..') { 2076 up++; 2077 } else if (up > 0) { 2078 if (part === '') { 2079 // The first part is blank if the path is absolute. Trying to go 2080 // above the root is a no-op. Therefore we can remove all '..' parts 2081 // directly after the root. 2082 parts.splice(i + 1, up); 2083 up = 0; 2084 } else { 2085 parts.splice(i, 2); 2086 up--; 2087 } 2088 } 2089 } 2090 path = parts.join('/'); 2091 2092 if (path === '') { 2093 path = isAbsolute ? '/' : '.'; 2094 } 2095 2096 if (url) { 2097 url.path = path; 2098 return urlGenerate(url); 2099 } 2100 return path; 2101 } 2102 exports.normalize = normalize; 2103 2104 /** 2105 * Joins two paths/URLs. 2106 * 2107 * @param aRoot The root path or URL. 2108 * @param aPath The path or URL to be joined with the root. 2109 * 2110 * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a 2111 * scheme-relative URL: Then the scheme of aRoot, if any, is prepended 2112 * first. 2113 * - Otherwise aPath is a path. If aRoot is a URL, then its path portion 2114 * is updated with the result and aRoot is returned. Otherwise the result 2115 * is returned. 2116 * - If aPath is absolute, the result is aPath. 2117 * - Otherwise the two paths are joined with a slash. 2118 * - Joining for example 'http://' and 'www.example.com' is also supported. 2119 */ 2120 function join(aRoot, aPath) { 2121 if (aRoot === "") { 2122 aRoot = "."; 2123 } 2124 if (aPath === "") { 2125 aPath = "."; 2126 } 2127 var aPathUrl = urlParse(aPath); 2128 var aRootUrl = urlParse(aRoot); 2129 if (aRootUrl) { 2130 aRoot = aRootUrl.path || '/'; 2131 } 2132 2133 // `join(foo, '//www.example.org')` 2134 if (aPathUrl && !aPathUrl.scheme) { 2135 if (aRootUrl) { 2136 aPathUrl.scheme = aRootUrl.scheme; 2137 } 2138 return urlGenerate(aPathUrl); 2139 } 2140 2141 if (aPathUrl || aPath.match(dataUrlRegexp)) { 2142 return aPath; 2143 } 2144 2145 // `join('http://', 'www.example.com')` 2146 if (aRootUrl && !aRootUrl.host && !aRootUrl.path) { 2147 aRootUrl.host = aPath; 2148 return urlGenerate(aRootUrl); 2149 } 2150 2151 var joined = aPath.charAt(0) === '/' 2152 ? aPath 2153 : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath); 2154 2155 if (aRootUrl) { 2156 aRootUrl.path = joined; 2157 return urlGenerate(aRootUrl); 2158 } 2159 return joined; 2160 } 2161 exports.join = join; 2162 2163 exports.isAbsolute = function (aPath) { 2164 return aPath.charAt(0) === '/' || !!aPath.match(urlRegexp); 2165 }; 2166 2167 /** 2168 * Make a path relative to a URL or another path. 2169 * 2170 * @param aRoot The root path or URL. 2171 * @param aPath The path or URL to be made relative to aRoot. 2172 */ 2173 function relative(aRoot, aPath) { 2174 if (aRoot === "") { 2175 aRoot = "."; 2176 } 2177 2178 aRoot = aRoot.replace(/\/$/, ''); 2179 2180 // It is possible for the path to be above the root. In this case, simply 2181 // checking whether the root is a prefix of the path won't work. Instead, we 2182 // need to remove components from the root one by one, until either we find 2183 // a prefix that fits, or we run out of components to remove. 2184 var level = 0; 2185 while (aPath.indexOf(aRoot + '/') !== 0) { 2186 var index = aRoot.lastIndexOf("/"); 2187 if (index < 0) { 2188 return aPath; 2189 } 2190 2191 // If the only part of the root that is left is the scheme (i.e. http://, 2192 // file:///, etc.), one or more slashes (/), or simply nothing at all, we 2193 // have exhausted all components, so the path is not relative to the root. 2194 aRoot = aRoot.slice(0, index); 2195 if (aRoot.match(/^([^\/]+:\/)?\/*$/)) { 2196 return aPath; 2197 } 2198 2199 ++level; 2200 } 2201 2202 // Make sure we add a "../" for each component we removed from the root. 2203 return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1); 2204 } 2205 exports.relative = relative; 2206 2207 var supportsNullProto = (function () { 2208 var obj = Object.create(null); 2209 return !('__proto__' in obj); 2210 }()); 2211 2212 function identity (s) { 2213 return s; 2214 } 2215 2216 /** 2217 * Because behavior goes wacky when you set `__proto__` on objects, we 2218 * have to prefix all the strings in our set with an arbitrary character. 2219 * 2220 * See https://github.com/mozilla/source-map/pull/31 and 2221 * https://github.com/mozilla/source-map/issues/30 2222 * 2223 * @param String aStr 2224 */ 2225 function toSetString(aStr) { 2226 if (isProtoString(aStr)) { 2227 return '$' + aStr; 2228 } 2229 2230 return aStr; 2231 } 2232 exports.toSetString = supportsNullProto ? identity : toSetString; 2233 2234 function fromSetString(aStr) { 2235 if (isProtoString(aStr)) { 2236 return aStr.slice(1); 2237 } 2238 2239 return aStr; 2240 } 2241 exports.fromSetString = supportsNullProto ? identity : fromSetString; 2242 2243 function isProtoString(s) { 2244 if (!s) { 2245 return false; 2246 } 2247 2248 var length = s.length; 2249 2250 if (length < 9 /* "__proto__".length */) { 2251 return false; 2252 } 2253 2254 if (s.charCodeAt(length - 1) !== 95 /* '_' */ || 2255 s.charCodeAt(length - 2) !== 95 /* '_' */ || 2256 s.charCodeAt(length - 3) !== 111 /* 'o' */ || 2257 s.charCodeAt(length - 4) !== 116 /* 't' */ || 2258 s.charCodeAt(length - 5) !== 111 /* 'o' */ || 2259 s.charCodeAt(length - 6) !== 114 /* 'r' */ || 2260 s.charCodeAt(length - 7) !== 112 /* 'p' */ || 2261 s.charCodeAt(length - 8) !== 95 /* '_' */ || 2262 s.charCodeAt(length - 9) !== 95 /* '_' */) { 2263 return false; 2264 } 2265 2266 for (var i = length - 10; i >= 0; i--) { 2267 if (s.charCodeAt(i) !== 36 /* '$' */) { 2268 return false; 2269 } 2270 } 2271 2272 return true; 2273 } 2274 2275 /** 2276 * Comparator between two mappings where the original positions are compared. 2277 * 2278 * Optionally pass in `true` as `onlyCompareGenerated` to consider two 2279 * mappings with the same original source/line/column, but different generated 2280 * line and column the same. Useful when searching for a mapping with a 2281 * stubbed out mapping. 2282 */ 2283 function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) { 2284 var cmp = mappingA.source - mappingB.source; 2285 if (cmp !== 0) { 2286 return cmp; 2287 } 2288 2289 cmp = mappingA.originalLine - mappingB.originalLine; 2290 if (cmp !== 0) { 2291 return cmp; 2292 } 2293 2294 cmp = mappingA.originalColumn - mappingB.originalColumn; 2295 if (cmp !== 0 || onlyCompareOriginal) { 2296 return cmp; 2297 } 2298 2299 cmp = mappingA.generatedColumn - mappingB.generatedColumn; 2300 if (cmp !== 0) { 2301 return cmp; 2302 } 2303 2304 cmp = mappingA.generatedLine - mappingB.generatedLine; 2305 if (cmp !== 0) { 2306 return cmp; 2307 } 2308 2309 return mappingA.name - mappingB.name; 2310 } 2311 exports.compareByOriginalPositions = compareByOriginalPositions; 2312 2313 /** 2314 * Comparator between two mappings with deflated source and name indices where 2315 * the generated positions are compared. 2316 * 2317 * Optionally pass in `true` as `onlyCompareGenerated` to consider two 2318 * mappings with the same generated line and column, but different 2319 * source/name/original line and column the same. Useful when searching for a 2320 * mapping with a stubbed out mapping. 2321 */ 2322 function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) { 2323 var cmp = mappingA.generatedLine - mappingB.generatedLine; 2324 if (cmp !== 0) { 2325 return cmp; 2326 } 2327 2328 cmp = mappingA.generatedColumn - mappingB.generatedColumn; 2329 if (cmp !== 0 || onlyCompareGenerated) { 2330 return cmp; 2331 } 2332 2333 cmp = mappingA.source - mappingB.source; 2334 if (cmp !== 0) { 2335 return cmp; 2336 } 2337 2338 cmp = mappingA.originalLine - mappingB.originalLine; 2339 if (cmp !== 0) { 2340 return cmp; 2341 } 2342 2343 cmp = mappingA.originalColumn - mappingB.originalColumn; 2344 if (cmp !== 0) { 2345 return cmp; 2346 } 2347 2348 return mappingA.name - mappingB.name; 2349 } 2350 exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated; 2351 2352 function strcmp(aStr1, aStr2) { 2353 if (aStr1 === aStr2) { 2354 return 0; 2355 } 2356 2357 if (aStr1 > aStr2) { 2358 return 1; 2359 } 2360 2361 return -1; 2362 } 2363 2364 /** 2365 * Comparator between two mappings with inflated source and name strings where 2366 * the generated positions are compared. 2367 */ 2368 function compareByGeneratedPositionsInflated(mappingA, mappingB) { 2369 var cmp = mappingA.generatedLine - mappingB.generatedLine; 2370 if (cmp !== 0) { 2371 return cmp; 2372 } 2373 2374 cmp = mappingA.generatedColumn - mappingB.generatedColumn; 2375 if (cmp !== 0) { 2376 return cmp; 2377 } 2378 2379 cmp = strcmp(mappingA.source, mappingB.source); 2380 if (cmp !== 0) { 2381 return cmp; 2382 } 2383 2384 cmp = mappingA.originalLine - mappingB.originalLine; 2385 if (cmp !== 0) { 2386 return cmp; 2387 } 2388 2389 cmp = mappingA.originalColumn - mappingB.originalColumn; 2390 if (cmp !== 0) { 2391 return cmp; 2392 } 2393 2394 return strcmp(mappingA.name, mappingB.name); 2395 } 2396 exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated; 2397 2398 },{}],10:[function(require,module,exports){ 2399 arguments[4][2][0].apply(exports,arguments) 2400 },{"dup":2}],11:[function(require,module,exports){ 2401 (function(root, factory) { 2402 'use strict'; 2403 // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers. 2404 2405 /* istanbul ignore next */ 2406 if (typeof define === 'function' && define.amd) { 2407 define('stack-generator', ['stackframe'], factory); 2408 } else if (typeof exports === 'object') { 2409 module.exports = factory(require('stackframe')); 2410 } else { 2411 root.StackGenerator = factory(root.StackFrame); 2412 } 2413 }(this, function(StackFrame) { 2414 return { 2415 backtrace: function StackGenerator$$backtrace(opts) { 2416 var stack = []; 2417 var maxStackSize = 10; 2418 2419 if (typeof opts === 'object' && typeof opts.maxStackSize === 'number') { 2420 maxStackSize = opts.maxStackSize; 2421 } 2422 2423 var curr = arguments.callee; 2424 while (curr && stack.length < maxStackSize && curr['arguments']) { 2425 // Allow V8 optimizations 2426 var args = new Array(curr['arguments'].length); 2427 for (var i = 0; i < args.length; ++i) { 2428 args[i] = curr['arguments'][i]; 2429 } 2430 if (/function(?:\s+([\w$]+))+\s*\(/.test(curr.toString())) { 2431 stack.push(new StackFrame({functionName: RegExp.$1 || undefined, args: args})); 2432 } else { 2433 stack.push(new StackFrame({args: args})); 2434 } 2435 2436 try { 2437 curr = curr.caller; 2438 } catch (e) { 2439 break; 2440 } 2441 } 2442 return stack; 2443 } 2444 }; 2445 })); 2446 2447 },{"stackframe":10}],12:[function(require,module,exports){ 2448 arguments[4][2][0].apply(exports,arguments) 2449 },{"dup":2}],13:[function(require,module,exports){ 2450 (function(root, factory) { 2451 'use strict'; 2452 // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers. 2453 2454 /* istanbul ignore next */ 2455 if (typeof define === 'function' && define.amd) { 2456 define('stacktrace-gps', ['source-map', 'stackframe'], factory); 2457 } else if (typeof exports === 'object') { 2458 module.exports = factory(require('source-map/lib/source-map-consumer'), require('stackframe')); 2459 } else { 2460 root.StackTraceGPS = factory(root.SourceMap || root.sourceMap, root.StackFrame); 2461 } 2462 }(this, function(SourceMap, StackFrame) { 2463 'use strict'; 2464 2465 /** 2466 * Make a X-Domain request to url and callback. 2467 * 2468 * @param {String} url 2469 * @returns {Promise} with response text if fulfilled 2470 */ 2471 function _xdr(url) { 2472 return new Promise(function(resolve, reject) { 2473 var req = new XMLHttpRequest(); 2474 req.open('get', url); 2475 req.onerror = reject; 2476 req.onreadystatechange = function onreadystatechange() { 2477 if (req.readyState === 4) { 2478 if ((req.status >= 200 && req.status < 300) || 2479 (url.substr(0, 7) === 'file://' && req.responseText)) { 2480 resolve(req.responseText); 2481 } else { 2482 reject(new Error('HTTP status: ' + req.status + ' retrieving ' + url)); 2483 } 2484 } 2485 }; 2486 req.send(); 2487 }); 2488 2489 } 2490 2491 /** 2492 * Convert a Base64-encoded string into its original representation. 2493 * Used for inline sourcemaps. 2494 * 2495 * @param {String} b64str Base-64 encoded string 2496 * @returns {String} original representation of the base64-encoded string. 2497 */ 2498 function _atob(b64str) { 2499 if (typeof window !== 'undefined' && window.atob) { 2500 return window.atob(b64str); 2501 } else { 2502 throw new Error('You must supply a polyfill for window.atob in this environment'); 2503 } 2504 } 2505 2506 function _parseJson(string) { 2507 if (typeof JSON !== 'undefined' && JSON.parse) { 2508 return JSON.parse(string); 2509 } else { 2510 throw new Error('You must supply a polyfill for JSON.parse in this environment'); 2511 } 2512 } 2513 2514 function _findFunctionName(source, lineNumber/*, columnNumber*/) { 2515 var syntaxes = [ 2516 // {name} = function ({args}) TODO args capture 2517 /['"]?([$_A-Za-z][$_A-Za-z0-9]*)['"]?\s*[:=]\s*function\b/, 2518 // function {name}({args}) m[1]=name m[2]=args 2519 /function\s+([^('"`]*?)\s*\(([^)]*)\)/, 2520 // {name} = eval() 2521 /['"]?([$_A-Za-z][$_A-Za-z0-9]*)['"]?\s*[:=]\s*(?:eval|new Function)\b/, 2522 // fn_name() { 2523 /\b(?!(?:if|for|switch|while|with|catch)\b)(?:(?:static)\s+)?(\S+)\s*\(.*?\)\s*\{/, 2524 // {name} = () => { 2525 /['"]?([$_A-Za-z][$_A-Za-z0-9]*)['"]?\s*[:=]\s*\(.*?\)\s*=>/ 2526 ]; 2527 var lines = source.split('\n'); 2528 2529 // Walk backwards in the source lines until we find the line which matches one of the patterns above 2530 var code = ''; 2531 var maxLines = Math.min(lineNumber, 20); 2532 for (var i = 0; i < maxLines; ++i) { 2533 // lineNo is 1-based, source[] is 0-based 2534 var line = lines[lineNumber - i - 1]; 2535 var commentPos = line.indexOf('//'); 2536 if (commentPos >= 0) { 2537 line = line.substr(0, commentPos); 2538 } 2539 2540 if (line) { 2541 code = line + code; 2542 var len = syntaxes.length; 2543 for (var index = 0; index < len; index++) { 2544 var m = syntaxes[index].exec(code); 2545 if (m && m[1]) { 2546 return m[1]; 2547 } 2548 } 2549 } 2550 } 2551 return undefined; 2552 } 2553 2554 function _ensureSupportedEnvironment() { 2555 if (typeof Object.defineProperty !== 'function' || typeof Object.create !== 'function') { 2556 throw new Error('Unable to consume source maps in older browsers'); 2557 } 2558 } 2559 2560 function _ensureStackFrameIsLegit(stackframe) { 2561 if (typeof stackframe !== 'object') { 2562 throw new TypeError('Given StackFrame is not an object'); 2563 } else if (typeof stackframe.fileName !== 'string') { 2564 throw new TypeError('Given file name is not a String'); 2565 } else if (typeof stackframe.lineNumber !== 'number' || 2566 stackframe.lineNumber % 1 !== 0 || 2567 stackframe.lineNumber < 1) { 2568 throw new TypeError('Given line number must be a positive integer'); 2569 } else if (typeof stackframe.columnNumber !== 'number' || 2570 stackframe.columnNumber % 1 !== 0 || 2571 stackframe.columnNumber < 0) { 2572 throw new TypeError('Given column number must be a non-negative integer'); 2573 } 2574 return true; 2575 } 2576 2577 function _findSourceMappingURL(source) { 2578 var sourceMappingUrlRegExp = /\/\/[#@] ?sourceMappingURL=([^\s'"]+)\s*$/mg; 2579 var lastSourceMappingUrl; 2580 var matchSourceMappingUrl; 2581 // eslint-disable-next-line no-cond-assign 2582 while (matchSourceMappingUrl = sourceMappingUrlRegExp.exec(source)) { 2583 lastSourceMappingUrl = matchSourceMappingUrl[1]; 2584 } 2585 if (lastSourceMappingUrl) { 2586 return lastSourceMappingUrl; 2587 } else { 2588 throw new Error('sourceMappingURL not found'); 2589 } 2590 } 2591 2592 function _extractLocationInfoFromSourceMapSource(stackframe, sourceMapConsumer, sourceCache) { 2593 return new Promise(function(resolve, reject) { 2594 var loc = sourceMapConsumer.originalPositionFor({ 2595 line: stackframe.lineNumber, 2596 column: stackframe.columnNumber 2597 }); 2598 2599 if (loc.source) { 2600 // cache mapped sources 2601 var mappedSource = sourceMapConsumer.sourceContentFor(loc.source); 2602 if (mappedSource) { 2603 sourceCache[loc.source] = mappedSource; 2604 } 2605 2606 resolve( 2607 // given stackframe and source location, update stackframe 2608 new StackFrame({ 2609 functionName: loc.name || stackframe.functionName, 2610 args: stackframe.args, 2611 fileName: loc.source, 2612 lineNumber: loc.line, 2613 columnNumber: loc.column 2614 })); 2615 } else { 2616 reject(new Error('Could not get original source for given stackframe and source map')); 2617 } 2618 }); 2619 } 2620 2621 /** 2622 * @constructor 2623 * @param {Object} opts
vendor: 6,081 bytes, lines 2624-2741
2624 * opts.sourceCache = {url: "Source String"} => preload source cache 2625 * opts.sourceMapConsumerCache = {/path/file.js.map: SourceMapConsumer} 2626 * opts.offline = True to prevent network requests. 2627 * Best effort without sources or source maps. 2628 * opts.ajax = Promise returning function to make X-Domain requests 2629 */ 2630 return function StackTraceGPS(opts) { 2631 if (!(this instanceof StackTraceGPS)) { 2632 return new StackTraceGPS(opts); 2633 } 2634 opts = opts || {}; 2635 2636 this.sourceCache = opts.sourceCache || {}; 2637 this.sourceMapConsumerCache = opts.sourceMapConsumerCache || {}; 2638 2639 this.ajax = opts.ajax || _xdr; 2640 2641 this._atob = opts.atob || _atob; 2642 2643 this._get = function _get(location) { 2644 return new Promise(function(resolve, reject) { 2645 var isDataUrl = location.substr(0, 5) === 'data:'; 2646 if (this.sourceCache[location]) { 2647 resolve(this.sourceCache[location]); 2648 } else if (opts.offline && !isDataUrl) { 2649 reject(new Error('Cannot make network requests in offline mode')); 2650 } else { 2651 if (isDataUrl) { 2652 // data URLs can have parameters. 2653 // see http://tools.ietf.org/html/rfc2397 2654 var supportedEncodingRegexp = 2655 /^data:application\/json;([\w=:"-]+;)*base64,/; 2656 var match = location.match(supportedEncodingRegexp); 2657 if (match) { 2658 var sourceMapStart = match[0].length; 2659 var encodedSource = location.substr(sourceMapStart); 2660 var source = this._atob(encodedSource); 2661 this.sourceCache[location] = source; 2662 resolve(source); 2663 } else { 2664 reject(new Error('The encoding of the inline sourcemap is not supported')); 2665 } 2666 } else { 2667 var xhrPromise = this.ajax(location, {method: 'get'}); 2668 // Cache the Promise to prevent duplicate in-flight requests 2669 this.sourceCache[location] = xhrPromise; 2670 xhrPromise.then(resolve, reject); 2671 } 2672 } 2673 }.bind(this)); 2674 }; 2675 2676 /** 2677 * Creating SourceMapConsumers is expensive, so this wraps the creation of a 2678 * SourceMapConsumer in a per-instance cache. 2679 * 2680 * @param {String} sourceMappingURL = URL to fetch source map from 2681 * @param {String} defaultSourceRoot = Default source root for source map if undefined 2682 * @returns {Promise} that resolves a SourceMapConsumer 2683 */ 2684 this._getSourceMapConsumer = function _getSourceMapConsumer(sourceMappingURL, defaultSourceRoot) { 2685 return new Promise(function(resolve) { 2686 if (this.sourceMapConsumerCache[sourceMappingURL]) { 2687 resolve(this.sourceMapConsumerCache[sourceMappingURL]); 2688 } else { 2689 var sourceMapConsumerPromise = new Promise(function(resolve, reject) { 2690 return this._get(sourceMappingURL).then(function(sourceMapSource) { 2691 if (typeof sourceMapSource === 'string') { 2692 sourceMapSource = _parseJson(sourceMapSource.replace(/^\)\]\}'/, '')); 2693 } 2694 if (typeof sourceMapSource.sourceRoot === 'undefined') { 2695 sourceMapSource.sourceRoot = defaultSourceRoot; 2696 } 2697 2698 resolve(new SourceMap.SourceMapConsumer(sourceMapSource)); 2699 }, reject); 2700 }.bind(this)); 2701 this.sourceMapConsumerCache[sourceMappingURL] = sourceMapConsumerPromise; 2702 resolve(sourceMapConsumerPromise); 2703 } 2704 }.bind(this)); 2705 }; 2706 2707 /** 2708 * Given a StackFrame, enhance function name and use source maps for a 2709 * better StackFrame. 2710 * 2711 * @param {StackFrame} stackframe object 2712 * @returns {Promise} that resolves with with source-mapped StackFrame 2713 */ 2714 this.pinpoint = function StackTraceGPS$$pinpoint(stackframe) { 2715 return new Promise(function(resolve, reject) { 2716 this.getMappedLocation(stackframe).then(function(mappedStackFrame) { 2717 function resolveMappedStackFrame() { 2718 resolve(mappedStackFrame); 2719 } 2720 2721 this.findFunctionName(mappedStackFrame) 2722 .then(resolve, resolveMappedStackFrame) 2723 // eslint-disable-next-line no-unexpected-multiline 2724 ['catch'](resolveMappedStackFrame); 2725 }.bind(this), reject); 2726 }.bind(this)); 2727 }; 2728 2729 /** 2730 * Given a StackFrame, guess function name from location information. 2731 * 2732 * @param {StackFrame} stackframe 2733 * @returns {Promise} that resolves with enhanced StackFrame. 2734 */ 2735 this.findFunctionName = function StackTraceGPS$$findFunctionName(stackframe) { 2736 return new Promise(function(resolve, reject) { 2737 _ensureStackFrameIsLegit(stackframe); 2738 this._get(stackframe.fileName).then(function getSourceCallback(source) { 2739 var lineNumber = stackframe.lineNumber; 2740 var columnNumber = stackframe.columnNumber; 2741 var guessedFunctionName = _findFunctionName(source, lineNumber,
vendor: 4,432 bytes, lines 2741-2838
2741columnNumber); 2742 // Only replace functionName if we found something 2743 if (guessedFunctionName) { 2744 resolve(new StackFrame({ 2745 functionName: guessedFunctionName, 2746 args: stackframe.args, 2747 fileName: stackframe.fileName, 2748 lineNumber: lineNumber, 2749 columnNumber: columnNumber 2750 })); 2751 } else { 2752 resolve(stackframe); 2753 } 2754 }, reject)['catch'](reject); 2755 }.bind(this)); 2756 }; 2757 2758 /** 2759 * Given a StackFrame, seek source-mapped location and return new enhanced StackFrame. 2760 * 2761 * @param {StackFrame} stackframe 2762 * @returns {Promise} that resolves with enhanced StackFrame. 2763 */ 2764 this.getMappedLocation = function StackTraceGPS$$getMappedLocation(stackframe) { 2765 return new Promise(function(resolve, reject) { 2766 _ensureSupportedEnvironment(); 2767 _ensureStackFrameIsLegit(stackframe); 2768 2769 var sourceCache = this.sourceCache; 2770 var fileName = stackframe.fileName; 2771 this._get(fileName).then(function(source) { 2772 var sourceMappingURL = _findSourceMappingURL(source); 2773 var isDataUrl = sourceMappingURL.substr(0, 5) === 'data:'; 2774 var defaultSourceRoot = fileName.substring(0, fileName.lastIndexOf('/') + 1); 2775 2776 if (sourceMappingURL[0] !== '/' && !isDataUrl && !(/^https?:\/\/|^\/\//i).test(sourceMappingURL)) { 2777 sourceMappingURL = defaultSourceRoot + sourceMappingURL; 2778 } 2779 2780 return this._getSourceMapConsumer(sourceMappingURL, defaultSourceRoot) 2781 .then(function(sourceMapConsumer) { 2782 return _extractLocationInfoFromSourceMapSource(stackframe, sourceMapConsumer, sourceCache) 2783 .then(resolve)['catch'](function() { 2784 resolve(stackframe); 2785 }); 2786 }); 2787 }.bind(this), reject)['catch'](reject); 2788 }.bind(this)); 2789 }; 2790 }; 2791 })); 2792 2793 },{"source-map/lib/source-map-consumer":8,"stackframe":12}],14:[function(require,module,exports){ 2794 (function(root, factory) { 2795 'use strict'; 2796 // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers. 2797 2798 /* istanbul ignore next */ 2799 if (typeof define === 'function' && define.amd) { 2800 define('stacktrace', ['error-stack-parser', 'stack-generator', 'stacktrace-gps'], factory); 2801 } else if (typeof exports === 'object') { 2802 module.exports = factory(require('error-stack-parser'), require('stack-generator'), require('stacktrace-gps')); 2803 } else { 2804 root.StackTrace = factory(root.ErrorStackParser, root.StackGenerator, root.StackTraceGPS); 2805 } 2806 }(this, function StackTrace(ErrorStackParser, StackGenerator, StackTraceGPS) { 2807 var _options = { 2808 filter: function(stackframe) { 2809 // Filter out stackframes for this library by default 2810 return (stackframe.functionName || '').indexOf('StackTrace$$') === -1 && 2811 (stackframe.functionName || '').indexOf('ErrorStackParser$$') === -1 && 2812 (stackframe.functionName || '').indexOf('StackTraceGPS$$') === -1 && 2813 (stackframe.functionName || '').indexOf('StackGenerator$$') === -1; 2814 }, 2815 sourceCache: {} 2816 }; 2817 2818 var _generateError = function StackTrace$$GenerateError() { 2819 try { 2820 // Error must be thrown to get stack in IE 2821 throw new Error(); 2822 } catch (err) { 2823 return err; 2824 } 2825 }; 2826 2827 /** 2828 * Merge 2 given Objects. If a conflict occurs the second object wins. 2829 * Does not do deep merges. 2830 * 2831 * @param {Object} first base object 2832 * @param {Object} second overrides 2833 * @returns {Object} merged first and second 2834 * @private 2835 */ 2836 function _merge(first, second) { 2837 var target = {}; 2838
vendor: 7,404 bytes, lines 2839-3025
2839 [first, second].forEach(function(obj) { 2840 for (var prop in obj) { 2841 if (Object.prototype.hasOwnProperty.call(obj, prop)) { 2842 target[prop] = obj[prop]; 2843 } 2844 } 2845 return target; 2846 }); 2847 2848 return target; 2849 } 2850 2851 function _isShapedLikeParsableError(err) { 2852 return err.stack || err['opera#sourceloc']; 2853 } 2854 2855 function _filtered(stackframes, filter) { 2856 if (typeof filter === 'function') { 2857 return stackframes.filter(filter); 2858 } 2859 return stackframes; 2860 } 2861 2862 return { 2863 /** 2864 * Get a backtrace from invocation point. 2865 * 2866 * @param {Object} opts 2867 * @returns {Array} of StackFrame 2868 */ 2869 get: function StackTrace$$get(opts) { 2870 var err = _generateError(); 2871 return _isShapedLikeParsableError(err) ? this.fromError(err, opts) : this.generateArtificially(opts); 2872 }, 2873 2874 /** 2875 * Get a backtrace from invocation point. 2876 * IMPORTANT: Does not handle source maps or guess function names! 2877 * 2878 * @param {Object} opts 2879 * @returns {Array} of StackFrame 2880 */ 2881 getSync: function StackTrace$$getSync(opts) { 2882 opts = _merge(_options, opts); 2883 var err = _generateError(); 2884 var stack = _isShapedLikeParsableError(err) ? ErrorStackParser.parse(err) : StackGenerator.backtrace(opts); 2885 return _filtered(stack, opts.filter); 2886 }, 2887 2888 /** 2889 * Given an error object, parse it. 2890 * 2891 * @param {Error} error object 2892 * @param {Object} opts 2893 * @returns {Promise} for Array[StackFrame} 2894 */ 2895 fromError: function StackTrace$$fromError(error, opts) { 2896 opts = _merge(_options, opts); 2897 var gps = new StackTraceGPS(opts); 2898 return new Promise(function(resolve) { 2899 var stackframes = _filtered(ErrorStackParser.parse(error), opts.filter); 2900 resolve(Promise.all(stackframes.map(function(sf) { 2901 return new Promise(function(resolve) { 2902 function resolveOriginal() { 2903 resolve(sf); 2904 } 2905 2906 gps.pinpoint(sf).then(resolve, resolveOriginal)['catch'](resolveOriginal); 2907 }); 2908 }))); 2909 }.bind(this)); 2910 }, 2911 2912 /** 2913 * Use StackGenerator to generate a backtrace. 2914 * 2915 * @param {Object} opts 2916 * @returns {Promise} of Array[StackFrame] 2917 */ 2918 generateArtificially: function StackTrace$$generateArtificially(opts) { 2919 opts = _merge(_options, opts); 2920 var stackFrames = StackGenerator.backtrace(opts); 2921 if (typeof opts.filter === 'function') { 2922 stackFrames = stackFrames.filter(opts.filter); 2923 } 2924 return Promise.resolve(stackFrames); 2925 }, 2926 2927 /** 2928 * Given a function, wrap it such that invocations trigger a callback that 2929 * is called with a stack trace. 2930 * 2931 * @param {Function} fn to be instrumented 2932 * @param {Function} callback function to call with a stack trace on invocation 2933 * @param {Function} errback optional function to call with error if unable to get stack trace. 2934 * @param {Object} thisArg optional context object (e.g. window) 2935 */ 2936 instrument: function StackTrace$$instrument(fn, callback, errback, thisArg) { 2937 if (typeof fn !== 'function') { 2938 throw new Error('Cannot instrument non-function object'); 2939 } else if (typeof fn.__stacktraceOriginalFn === 'function') { 2940 // Already instrumented, return given Function 2941 return fn; 2942 } 2943 2944 var instrumented = function StackTrace$$instrumented() { 2945 try { 2946 this.get().then(callback, errback)['catch'](errback); 2947 return fn.apply(thisArg || this, arguments); 2948 } catch (e) { 2949 if (_isShapedLikeParsableError(e)) { 2950 this.fromError(e).then(callback, errback)['catch'](errback); 2951 } 2952 throw e; 2953 } 2954 }.bind(this); 2955 instrumented.__stacktraceOriginalFn = fn; 2956 2957 return instrumented; 2958 }, 2959 2960 /** 2961 * Given a function that has been instrumented, 2962 * revert the function to it's original (non-instrumented) state. 2963 * 2964 * @param {Function} fn to de-instrument 2965 */ 2966 deinstrument: function StackTrace$$deinstrument(fn) { 2967 if (typeof fn !== 'function') { 2968 throw new Error('Cannot de-instrument non-function object'); 2969 } else if (typeof fn.__stacktraceOriginalFn === 'function') { 2970 return fn.__stacktraceOriginalFn; 2971 } else { 2972 // Function not instrumented, return original 2973 return fn; 2974 } 2975 }, 2976 2977 /** 2978 * Given an error message and Array of StackFrames, serialize and POST to given URL. 2979 * 2980 * @param {Array} stackframes 2981 * @param {String} url 2982 * @param {String} errorMsg 2983 * @param {Object} requestOptions 2984 */ 2985 report: function StackTrace$$report(stackframes, url, errorMsg, requestOptions) { 2986 return new Promise(function(resolve, reject) { 2987 var req = new XMLHttpRequest(); 2988 req.onerror = reject; 2989 req.onreadystatechange = function onreadystatechange() { 2990 if (req.readyState === 4) { 2991 if (req.status >= 200 && req.status < 400) { 2992 resolve(req.responseText); 2993 } else { 2994 reject(new Error('POST to ' + url + ' failed with status: ' + req.status)); 2995 } 2996 } 2997 }; 2998 req.open('post', url); 2999 3000 // Set request headers 3001 req.setRequestHeader('Content-Type', 'application/json'); 3002 if (requestOptions && typeof requestOptions.headers === 'object') { 3003 var headers = requestOptions.headers; 3004 for (var header in headers) { 3005 if (Object.prototype.hasOwnProperty.call(headers, header)) { 3006 req.setRequestHeader(header, headers[header]); 3007 } 3008 } 3009 } 3010 3011 var reportPayload = {stack: stackframes}; 3012 if (errorMsg !== undefined && errorMsg !== null) { 3013 reportPayload.message = errorMsg; 3014 } 3015 3016 req.send(JSON.stringify(reportPayload)); 3017 }); 3018 } 3019 }; 3020 })); 3021 3022 },{"error-stack-parser":1,"stack-generator":11,"stacktrace-gps":13}]},{},[14])(14) 3023 }); 3024 3025
vendor: 165,600 bytes, line 3025
3025//# 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r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c=\"function\"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error(\"Cannot find module '\"+i+\"'\");throw a.code=\"MODULE_NOT_FOUND\",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u=\"function\"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()","(function(root, factory) {\n    'use strict';\n    // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers.\n\n    /* istanbul ignore next */\n    if (typeof define === 'function' && define.amd) {\n        define('error-stack-parser', ['stackframe'], factory);\n    } else if (typeof exports === 'object') {\n        module.exports = factory(require('stackframe'));\n    } else {\n        root.ErrorStackParser = factory(root.StackFrame);\n    }\n}(this, function ErrorStackParser(StackFrame) {\n    'use strict';\n\n    var FIREFOX_SAFARI_STACK_REGEXP = /(^|@)\\S+:\\d+/;\n    var CHROME_IE_STACK_REGEXP = /^\\s*at .*(\\S+:\\d+|\\(native\\))/m;\n    var SAFARI_NATIVE_CODE_REGEXP = /^(eval@)?(\\[native code])?$/;\n\n    return {\n        /**\n         * Given an Error object, extract the most information from it.\n         *\n         * @param {Error} error object\n         * @return {Array} of StackFrames\n         */\n        parse: function ErrorStackParser$$parse(error) {\n            if (typeof error.stacktrace !== 'undefined' || typeof error['opera#sourceloc'] !== 'undefined') {\n                return this.parseOpera(error);\n            } else if (error.stack && error.stack.match(CHROME_IE_STACK_REGEXP)) {\n                return this.parseV8OrIE(error);\n            } else if (error.stack) {\n                return this.parseFFOrSafari(error);\n            } else {\n                throw new Error('Cannot parse given Error object');\n            }\n        },\n\n        // Separate line and column numbers from a string of the form: (URI:Line:Column)\n        extractLocation: function ErrorStackParser$$extractLocation(urlLike) {\n            // Fail-fast but return locations like \"(native)\"\n            if (urlLike.indexOf(':') === -1) {\n                return [urlLike];\n            }\n\n            var regExp = /(.+?)(?::(\\d+))?(?::(\\d+))?$/;\n            var parts = regExp.exec(urlLike.replace(/[()]/g, ''));\n            return [parts[1], parts[2] || undefined, parts[3] || undefined];\n        },\n\n        parseV8OrIE: function ErrorStackParser$$parseV8OrIE(error) {\n            var filtered = error.stack.split('\\n').filter(function(line) {\n                return !!line.match(CHROME_IE_STACK_REGEXP);\n            }, this);\n\n            return filtered.map(function(line) {\n                if (line.indexOf('(eval ') > -1) {\n                    // Throw away eval information until we implement stacktrace.js/stackframe#8\n                    line = line.replace(/eval code/g, 'eval').replace(/(\\(eval at [^()]*)|(\\),.*$)/g, '');\n                }\n                var sanitizedLine = line.replace(/^\\s+/, '').replace(/\\(eval code/g, '(');\n\n                // capture and preseve the parenthesized location \"(/foo/my bar.js:12:87)\" in\n                // case it has spaces in it, as the string is split on \\s+ later on\n                var location = sanitizedLine.match(/ (\\((.+):(\\d+):(\\d+)\\)$)/);\n\n                // remove the parenthesized location from the line, if it was matched\n                sanitizedLine = location ? sanitizedLine.replace(location[0], '') : sanitizedLine;\n\n                var tokens = sanitizedLine.split(/\\s+/).slice(1);\n                // if a location was matched, pass it to extractLocation() otherwise pop the last token\n                var locationParts = this.extractLocation(location ? location[1] : tokens.pop());\n                var functionName = tokens.join(' ') || undefined;\n                var fileName = ['eval', '<anonymous>'].indexOf(locationParts[0]) > -1 ? undefined : locationParts[0];\n\n                return new StackFrame({\n                    functionName: functionName,\n                    fileName: fileName,\n                    lineNumber: locationParts[1],\n                    columnNumber: locationParts[2],\n                    source: line\n                });\n            }, this);\n        },\n\n        parseFFOrSafari: function ErrorStackParser$$parseFFOrSafari(error) {\n            var filtered = error.stack.split('\\n').filter(function(line) {\n                return !line.match(SAFARI_NATIVE_CODE_REGEXP);\n            }, this);\n\n            return filtered.map(function(line) {\n                // Throw away eval information until we implement stacktrace.js/stackframe#8\n                if (line.indexOf(' > eval') > -1) {\n                    line = line.replace(/ line (\\d+)(?: > eval line \\d+)* > eval:\\d+:\\d+/g, ':$1');\n                }\n\n                if (line.indexOf('@') === -1 && line.indexOf(':') === -1) {\n                    // Safari eval frames only have function names and nothing else\n                    return new StackFrame({\n                        functionName: line\n                    });\n                } else {\n                    var functionNameRegex = /((.*\".+\"[^@]*)?[^@]*)(?:@)/;\n                    var matches = line.match(functionNameRegex);\n                    var functionName = matches && matches[1] ? matches[1] : undefined;\n                    var locationParts = this.extractLocation(line.replace(functionNameRegex, ''));\n\n                    return new StackFrame({\n                        functionName: functionName,\n                        fileName: locationParts[0],\n                        lineNumber: locationParts[1],\n                        columnNumber: locationParts[2],\n                        source: line\n                    });\n                }\n            }, this);\n        },\n\n        parseOpera: function ErrorStackParser$$parseOpera(e) {\n            if (!e.stacktrace || (e.message.indexOf('\\n') > -1 &&\n                e.message.split('\\n').length > e.stacktrace.split('\\n').length)) {\n                return this.parseOpera9(e);\n            } else if (!e.stack) {\n                return this.parseOpera10(e);\n            } else {\n                return this.parseOpera11(e);\n            }\n        },\n\n        parseOpera9: function ErrorStackParser$$parseOpera9(e) {\n            var lineRE = /Line (\\d+).*script (?:in )?(\\S+)/i;\n            var lines = e.message.split('\\n');\n            var result = [];\n\n            for (var i = 2, len = lines.length; i < len; i += 2) {\n                var match = lineRE.exec(lines[i]);\n                if (match) {\n                    result.push(new StackFrame({\n                        fileName: match[2],\n                        lineNumber: match[1],\n                        source: lines[i]\n                    }));\n                }\n            }\n\n            return result;\n        },\n\n        parseOpera10: function ErrorStackParser$$parseOpera10(e) {\n            var lineRE = /Line (\\d+).*script (?:in )?(\\S+)(?:: In function (\\S+))?$/i;\n            var lines = e.stacktrace.split('\\n');\n            var result = [];\n\n            for (var i = 0, len = lines.length; i < len; i += 2) {\n                var match = lineRE.exec(lines[i]);\n                if (match) {\n                    result.push(\n                        new StackFrame({\n                            functionName: match[3] || undefined,\n                            fileName: match[2],\n                            lineNumber: match[1],\n                            source: lines[i]\n                        })\n                    );\n                }\n            }\n\n            return result;\n        },\n\n        // Opera 10.65+ Error.stack very similar to FF/Safari\n        parseOpera11: function ErrorStackParser$$parseOpera11(error) {\n            var filtered = error.stack.split('\\n').filter(function(line) {\n                return !!line.match(FIREFOX_SAFARI_STACK_REGEXP) && !line.match(/^Error created at/);\n            }, this);\n\n            return filtered.map(function(line) {\n                var tokens = line.split('@');\n                var locationParts = this.extractLocation(tokens.pop());\n                var functionCall = (tokens.shift() || '');\n                var functionName = functionCall\n                    .replace(/<anonymous function(: (\\w+))?>/, '$2')\n                    .replace(/\\([^)]*\\)/g, '') || undefined;\n                var argsRaw;\n                if (functionCall.match(/\\(([^)]*)\\)/)) {\n                    argsRaw = functionCall.replace(/^[^(]+\\(([^)]*)\\)$/, '$1');\n                }\n                var args = (argsRaw === undefined || argsRaw === '[arguments not available]') ?\n                    undefined : argsRaw.split(',');\n\n                return new StackFrame({\n                    functionName: functionName,\n                    args: args,\n                    fileName: locationParts[0],\n                    lineNumber: locationParts[1],\n                    columnNumber: locationParts[2],\n                    source: line\n                });\n            }, this);\n        }\n    };\n}));\n","(function(root, factory) {\n    'use strict';\n    // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers.\n\n    /* istanbul ignore next */\n    if (typeof define === 'function' && define.amd) {\n        define('stackframe', [], factory);\n    } else if (typeof exports === 'object') {\n        module.exports = factory();\n    } else {\n        root.StackFrame = factory();\n    }\n}(this, function() {\n    'use strict';\n    function _isNumber(n) {\n        return !isNaN(parseFloat(n)) && isFinite(n);\n    }\n\n    function _capitalize(str) {\n        return str.charAt(0).toUpperCase() + str.substring(1);\n    }\n\n    function _getter(p) {\n        return function() {\n            return this[p];\n        };\n    }\n\n    var booleanProps = ['isConstructor', 'isEval', 'isNative', 'isToplevel'];\n    var numericProps = ['columnNumber', 'lineNumber'];\n    var stringProps = ['fileName', 'functionName', 'source'];\n    var arrayProps = ['args'];\n\n    var props = booleanProps.concat(numericProps, stringProps, arrayProps);\n\n    function StackFrame(obj) {\n        if (!obj) return;\n        for (var i = 0; i < props.length; i++) {\n            if (obj[props[i]] !== undefined) {\n                this['set' + _capitalize(props[i])](obj[props[i]]);\n            }\n        }\n    }\n\n    StackFrame.prototype = {\n        getArgs: function() {\n            return this.args;\n        },\n        setArgs: function(v) {\n            if (Object.prototype.toString.call(v) !== '[object Array]') {\n                throw new TypeError('Args must be an Array');\n            }\n            this.args = v;\n        },\n\n        getEvalOrigin: function() {\n            return this.evalOrigin;\n        },\n        setEvalOrigin: function(v) {\n            if (v instanceof StackFrame) {\n                this.evalOrigin = v;\n            } else if (v instanceof Object) {\n                this.evalOrigin = new StackFrame(v);\n            } else {\n                throw new TypeError('Eval Origin must be an Object or StackFrame');\n            }\n        },\n\n        toString: function() {\n            var fileName = this.getFileName() || '';\n            var lineNumber = this.getLineNumber() || '';\n            var columnNumber = this.getColumnNumber() || '';\n            var functionName = this.getFunctionName() || '';\n            if (this.getIsEval()) {\n                if (fileName) {\n                    return '[eval] (' + fileName + ':' + lineNumber + ':' + columnNumber + ')';\n                }\n                return '[eval]:' + lineNumber + ':' + columnNumber;\n            }\n            if (functionName) {\n                return functionName + ' (' + fileName + ':' + lineNumber + ':' + columnNumber + ')';\n            }\n            return fileName + ':' + lineNumber + ':' + columnNumber;\n        }\n    };\n\n    StackFrame.fromString = function StackFrame$$fromString(str) {\n        var argsStartIndex = str.indexOf('(');\n        var argsEndIndex = str.lastIndexOf(')');\n\n        var functionName = str.substring(0, argsStartIndex);\n        var args = str.substring(argsStartIndex + 1, argsEndIndex).split(',');\n        var locationString = str.substring(argsEndIndex + 1);\n\n        if (locationString.indexOf('@') === 0) {\n            var parts = /@(.+?)(?::(\\d+))?(?::(\\d+))?$/.exec(locationString, '');\n            var fileName = parts[1];\n            var lineNumber = parts[2];\n            var columnNumber = parts[3];\n        }\n\n        return new StackFrame({\n            functionName: functionName,\n            args: args || undefined,\n            fileName: fileName,\n            lineNumber: lineNumber || undefined,\n            columnNumber: columnNumber || undefined\n        });\n    };\n\n    for (var i = 0; i < booleanProps.length; i++) {\n        StackFrame.prototype['get' + _capitalize(booleanProps[i])] = _getter(booleanProps[i]);\n        StackFrame.prototype['set' + _capitalize(booleanProps[i])] = (function(p) {\n            return function(v) {\n                this[p] = Boolean(v);\n            };\n        })(booleanProps[i]);\n    }\n\n    for (var j = 0; j < numericProps.length; j++) {\n        StackFrame.prototype['get' + _capitalize(numericProps[j])] = _getter(numericProps[j]);\n        StackFrame.prototype['set' + _capitalize(numericProps[j])] = (function(p) {\n            return function(v) {\n                if (!_isNumber(v)) {\n                    throw new TypeError(p + ' must be a Number');\n                }\n                this[p] = Number(v);\n            };\n        })(numericProps[j]);\n    }\n\n    for (var k = 0; k < stringProps.length; k++) {\n        StackFrame.prototype['get' + _capitalize(stringProps[k])] = _getter(stringProps[k]);\n        StackFrame.prototype['set' + _capitalize(stringProps[k])] = (function(p) {\n            return function(v) {\n                this[p] = String(v);\n            };\n        })(stringProps[k]);\n    }\n\n    return StackFrame;\n}));\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\nvar util = require('./util');\nvar has = Object.prototype.hasOwnProperty;\n\n/**\n * A data structure which is a combination of an array and a set. Adding a new\n * member is O(1), testing for membership is O(1), and finding the index of an\n * element is O(1). Removing elements from the set is not supported. Only\n * strings are supported for membership.\n */\nfunction ArraySet() {\n  this._array = [];\n  this._set = Object.create(null);\n}\n\n/**\n * Static method for creating ArraySet instances from an existing array.\n */\nArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {\n  var set = new ArraySet();\n  for (var i = 0, len = aArray.length; i < len; i++) {\n    set.add(aArray[i], aAllowDuplicates);\n  }\n  return set;\n};\n\n/**\n * Return how many unique items are in this ArraySet. If duplicates have been\n * added, than those do not count towards the size.\n *\n * @returns Number\n */\nArraySet.prototype.size = function ArraySet_size() {\n  return Object.getOwnPropertyNames(this._set).length;\n};\n\n/**\n * Add the given string to this set.\n *\n * @param String aStr\n */\nArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {\n  var sStr = util.toSetString(aStr);\n  var isDuplicate = has.call(this._set, sStr);\n  var idx = this._array.length;\n  if (!isDuplicate || aAllowDuplicates) {\n    this._array.push(aStr);\n  }\n  if (!isDuplicate) {\n    this._set[sStr] = idx;\n  }\n};\n\n/**\n * Is the given string a member of this set?\n *\n * @param String aStr\n */\nArraySet.prototype.has = function ArraySet_has(aStr) {\n  var sStr = util.toSetString(aStr);\n  return has.call(this._set, sStr);\n};\n\n/**\n * What is the index of the given string in the array?\n *\n * @param String aStr\n */\nArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {\n  var sStr = util.toSetString(aStr);\n  if (has.call(this._set, sStr)) {\n    return this._set[sStr];\n  }\n  throw new Error('\"' + aStr + '\" is not in the set.');\n};\n\n/**\n * What is the element at the given index?\n *\n * @param Number aIdx\n */\nArraySet.prototype.at = function ArraySet_at(aIdx) {\n  if (aIdx >= 0 && aIdx < this._array.length) {\n    return this._array[aIdx];\n  }\n  throw new Error('No element indexed by ' + aIdx);\n};\n\n/**\n * Returns the array representation of this set (which has the proper indices\n * indicated by indexOf). Note that this is a copy of the internal array used\n * for storing the members so that no one can mess with internal state.\n */\nArraySet.prototype.toArray = function ArraySet_toArray() {\n  return this._array.slice();\n};\n\nexports.ArraySet = ArraySet;\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n *\n * Based on the Base 64 VLQ implementation in Closure Compiler:\n * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java\n *\n * Copyright 2011 The Closure Compiler Authors. All rights reserved.\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are\n * met:\n *\n *  * Redistributions of source code must retain the above copyright\n *    notice, this list of conditions and the following disclaimer.\n *  * Redistributions in binary form must reproduce the above\n *    copyright notice, this list of conditions and the following\n *    disclaimer in the documentation and/or other materials provided\n *    with the distribution.\n *  * Neither the name of Google Inc. nor the names of its\n *    contributors may be used to endorse or promote products derived\n *    from this software without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n * \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n */\n\nvar base64 = require('./base64');\n\n// A single base 64 digit can contain 6 bits of data. For the base 64 variable\n// length quantities we use in the source map spec, the first bit is the sign,\n// the next four bits are the actual value, and the 6th bit is the\n// continuation bit. The continuation bit tells us whether there are more\n// digits in this value following this digit.\n//\n//   Continuation\n//   |    Sign\n//   |    |\n//   V    V\n//   101011\n\nvar VLQ_BASE_SHIFT = 5;\n\n// binary: 100000\nvar VLQ_BASE = 1 << VLQ_BASE_SHIFT;\n\n// binary: 011111\nvar VLQ_BASE_MASK = VLQ_BASE - 1;\n\n// binary: 100000\nvar VLQ_CONTINUATION_BIT = VLQ_BASE;\n\n/**\n * Converts from a two-complement value to a value where the sign bit is\n * placed in the least significant bit.  For example, as decimals:\n *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)\n *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)\n */\nfunction toVLQSigned(aValue) {\n  return aValue < 0\n    ? ((-aValue) << 1) + 1\n    : (aValue << 1) + 0;\n}\n\n/**\n * Converts to a two-complement value from a value where the sign bit is\n * placed in the least significant bit.  For example, as decimals:\n *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1\n *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2\n */\nfunction fromVLQSigned(aValue) {\n  var isNegative = (aValue & 1) === 1;\n  var shifted = aValue >> 1;\n  return isNegative\n    ? -shifted\n    : shifted;\n}\n\n/**\n * Returns the base 64 VLQ encoded value.\n */\nexports.encode = function base64VLQ_encode(aValue) {\n  var encoded = \"\";\n  var digit;\n\n  var vlq = toVLQSigned(aValue);\n\n  do {\n    digit = vlq & VLQ_BASE_MASK;\n    vlq >>>= VLQ_BASE_SHIFT;\n    if (vlq > 0) {\n      // There are still more digits in this value, so we must make sure the\n      // continuation bit is marked.\n      digit |= VLQ_CONTINUATION_BIT;\n    }\n    encoded += base64.encode(digit);\n  } while (vlq > 0);\n\n  return encoded;\n};\n\n/**\n * Decodes the next base 64 VLQ value from the given string and returns the\n * value and the rest of the string via the out parameter.\n */\nexports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {\n  var strLen = aStr.length;\n  var result = 0;\n  var shift = 0;\n  var continuation, digit;\n\n  do {\n    if (aIndex >= strLen) {\n      throw new Error(\"Expected more digits in base 64 VLQ value.\");\n    }\n\n    digit = base64.decode(aStr.charCodeAt(aIndex++));\n    if (digit === -1) {\n      throw new Error(\"Invalid base64 digit: \" + aStr.charAt(aIndex - 1));\n    }\n\n    continuation = !!(digit & VLQ_CONTINUATION_BIT);\n    digit &= VLQ_BASE_MASK;\n    result = result + (digit << shift);\n    shift += VLQ_BASE_SHIFT;\n  } while (continuation);\n\n  aOutParam.value = fromVLQSigned(result);\n  aOutParam.rest = aIndex;\n};\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\nvar intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');\n\n/**\n * Encode an integer in the range of 0 to 63 to a single base 64 digit.\n */\nexports.encode = function (number) {\n  if (0 <= number && number < intToCharMap.length) {\n    return intToCharMap[number];\n  }\n  throw new TypeError(\"Must be between 0 and 63: \" + number);\n};\n\n/**\n * Decode a single base 64 character code digit to an integer. Returns -1 on\n * failure.\n */\nexports.decode = function (charCode) {\n  var bigA = 65;     // 'A'\n  var bigZ = 90;     // 'Z'\n\n  var littleA = 97;  // 'a'\n  var littleZ = 122; // 'z'\n\n  var zero = 48;     // '0'\n  var nine = 57;     // '9'\n\n  var plus = 43;     // '+'\n  var slash = 47;    // '/'\n\n  var littleOffset = 26;\n  var numberOffset = 52;\n\n  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ\n  if (bigA <= charCode && charCode <= bigZ) {\n    return (charCode - bigA);\n  }\n\n  // 26 - 51: abcdefghijklmnopqrstuvwxyz\n  if (littleA <= charCode && charCode <= littleZ) {\n    return (charCode - littleA + littleOffset);\n  }\n\n  // 52 - 61: 0123456789\n  if (zero <= charCode && charCode <= nine) {\n    return (charCode - zero + numberOffset);\n  }\n\n  // 62: +\n  if (charCode == plus) {\n    return 62;\n  }\n\n  // 63: /\n  if (charCode == slash) {\n    return 63;\n  }\n\n  // Invalid base64 digit.\n  return -1;\n};\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\nexports.GREATEST_LOWER_BOUND = 1;\nexports.LEAST_UPPER_BOUND = 2;\n\n/**\n * Recursive implementation of binary search.\n *\n * @param aLow Indices here and lower do not contain the needle.\n * @param aHigh Indices here and higher do not contain the needle.\n * @param aNeedle The element being searched for.\n * @param aHaystack The non-empty array being searched.\n * @param aCompare Function which takes two elements and returns -1, 0, or 1.\n * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or\n *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the\n *     closest element that is smaller than or greater than the one we are\n *     searching for, respectively, if the exact element cannot be found.\n */\nfunction recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {\n  // This function terminates when one of the following is true:\n  //\n  //   1. We find the exact element we are looking for.\n  //\n  //   2. We did not find the exact element, but we can return the index of\n  //      the next-closest element.\n  //\n  //   3. We did not find the exact element, and there is no next-closest\n  //      element than the one we are searching for, so we return -1.\n  var mid = Math.floor((aHigh - aLow) / 2) + aLow;\n  var cmp = aCompare(aNeedle, aHaystack[mid], true);\n  if (cmp === 0) {\n    // Found the element we are looking for.\n    return mid;\n  }\n  else if (cmp > 0) {\n    // Our needle is greater than aHaystack[mid].\n    if (aHigh - mid > 1) {\n      // The element is in the upper half.\n      return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias);\n    }\n\n    // The exact needle element was not found in this haystack. Determine if\n    // we are in termination case (3) or (2) and return the appropriate thing.\n    if (aBias == exports.LEAST_UPPER_BOUND) {\n      return aHigh < aHaystack.length ? aHigh : -1;\n    } else {\n      return mid;\n    }\n  }\n  else {\n    // Our needle is less than aHaystack[mid].\n    if (mid - aLow > 1) {\n      // The element is in the lower half.\n      return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);\n    }\n\n    // we are in termination case (3) or (2) and return the appropriate thing.\n    if (aBias == exports.LEAST_UPPER_BOUND) {\n      return mid;\n    } else {\n      return aLow < 0 ? -1 : aLow;\n    }\n  }\n}\n\n/**\n * This is an implementation of binary search which will always try and return\n * the index of the closest element if there is no exact hit. This is because\n * mappings between original and generated line/col pairs are single points,\n * and there is an implicit region between each of them, so a miss just means\n * that you aren't on the very start of a region.\n *\n * @param aNeedle The element you are looking for.\n * @param aHaystack The array that is being searched.\n * @param aCompare A function which takes the needle and an element in the\n *     array and returns -1, 0, or 1 depending on whether the needle is less\n *     than, equal to, or greater than the element, respectively.\n * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or\n *     'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the\n *     closest element that is smaller than or greater than the one we are\n *     searching for, respectively, if the exact element cannot be found.\n *     Defaults to 'binarySearch.GREATEST_LOWER_BOUND'.\n */\nexports.search = function search(aNeedle, aHaystack, aCompare, aBias) {\n  if (aHaystack.length === 0) {\n    return -1;\n  }\n\n  var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,\n                              aCompare, aBias || exports.GREATEST_LOWER_BOUND);\n  if (index < 0) {\n    return -1;\n  }\n\n  // We have found either the exact element, or the next-closest element than\n  // the one we are searching for. However, there may be more than one such\n  // element. Make sure we always return the smallest of these.\n  while (index - 1 >= 0) {\n    if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) {\n      break;\n    }\n    --index;\n  }\n\n  return index;\n};\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\n// It turns out that some (most?) JavaScript engines don't self-host\n// `Array.prototype.sort`. This makes sense because C++ will likely remain\n// faster than JS when doing raw CPU-intensive sorting. However, when using a\n// custom comparator function, calling back and forth between the VM's C++ and\n// JIT'd JS is rather slow *and* loses JIT type information, resulting in\n// worse generated code for the comparator function than would be optimal. In\n// fact, when sorting with a comparator, these costs outweigh the benefits of\n// sorting in C++. By using our own JS-implemented Quick Sort (below), we get\n// a ~3500ms mean speed-up in `bench/bench.html`.\n\n/**\n * Swap the elements indexed by `x` and `y` in the array `ary`.\n *\n * @param {Array} ary\n *        The array.\n * @param {Number} x\n *        The index of the first item.\n * @param {Number} y\n *        The index of the second item.\n */\nfunction swap(ary, x, y) {\n  var temp = ary[x];\n  ary[x] = ary[y];\n  ary[y] = temp;\n}\n\n/**\n * Returns a random integer within the range `low .. high` inclusive.\n *\n * @param {Number} low\n *        The lower bound on the range.\n * @param {Number} high\n *        The upper bound on the range.\n */\nfunction randomIntInRange(low, high) {\n  return Math.round(low + (Math.random() * (high - low)));\n}\n\n/**\n * The Quick Sort algorithm.\n *\n * @param {Array} ary\n *        An array to sort.\n * @param {function} comparator\n *        Function to use to compare two items.\n * @param {Number} p\n *        Start index of the array\n * @param {Number} r\n *        End index of the array\n */\nfunction doQuickSort(ary, comparator, p, r) {\n  // If our lower bound is less than our upper bound, we (1) partition the\n  // array into two pieces and (2) recurse on each half. If it is not, this is\n  // the empty array and our base case.\n\n  if (p < r) {\n    // (1) Partitioning.\n    //\n    // The partitioning chooses a pivot between `p` and `r` and moves all\n    // elements that are less than or equal to the pivot to the before it, and\n    // all the elements that are greater than it after it. The effect is that\n    // once partition is done, the pivot is in the exact place it will be when\n    // the array is put in sorted order, and it will not need to be moved\n    // again. This runs in O(n) time.\n\n    // Always choose a random pivot so that an input array which is reverse\n    // sorted does not cause O(n^2) running time.\n    var pivotIndex = randomIntInRange(p, r);\n    var i = p - 1;\n\n    swap(ary, pivotIndex, r);\n    var pivot = ary[r];\n\n    // Immediately after `j` is incremented in this loop, the following hold\n    // true:\n    //\n    //   * Every element in `ary[p .. i]` is less than or equal to the pivot.\n    //\n    //   * Every element in `ary[i+1 .. j-1]` is greater than the pivot.\n    for (var j = p; j < r; j++) {\n      if (comparator(ary[j], pivot) <= 0) {\n        i += 1;\n        swap(ary, i, j);\n      }\n    }\n\n    swap(ary, i + 1, j);\n    var q = i + 1;\n\n    // (2) Recurse on each half.\n\n    doQuickSort(ary, comparator, p, q - 1);\n    doQuickSort(ary, comparator, q + 1, r);\n  }\n}\n\n/**\n * Sort the given array in-place with the given comparator function.\n *\n * @param {Array} ary\n *        An array to sort.\n * @param {function} comparator\n *        Function to use to compare two items.\n */\nexports.quickSort = function (ary, comparator) {\n  doQuickSort(ary, comparator, 0, ary.length - 1);\n};\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\nvar util = require('./util');\nvar binarySearch = require('./binary-search');\nvar ArraySet = require('./array-set').ArraySet;\nvar base64VLQ = require('./base64-vlq');\nvar quickSort = require('./quick-sort').quickSort;\n\nfunction SourceMapConsumer(aSourceMap) {\n  var sourceMap = aSourceMap;\n  if (typeof aSourceMap === 'string') {\n    sourceMap = JSON.parse(aSourceMap.replace(/^\\)\\]\\}'/, ''));\n  }\n\n  return sourceMap.sections != null\n    ? new IndexedSourceMapConsumer(sourceMap)\n    : new BasicSourceMapConsumer(sourceMap);\n}\n\nSourceMapConsumer.fromSourceMap = function(aSourceMap) {\n  return BasicSourceMapConsumer.fromSourceMap(aSourceMap);\n}\n\n/**\n * The version of the source mapping spec that we are consuming.\n */\nSourceMapConsumer.prototype._version = 3;\n\n// `__generatedMappings` and `__originalMappings` are arrays that hold the\n// parsed mapping coordinates from the source map's \"mappings\" attribute. They\n// are lazily instantiated, accessed via the `_generatedMappings` and\n// `_originalMappings` getters respectively, and we only parse the mappings\n// and create these arrays once queried for a source location. We jump through\n// these hoops because there can be many thousands of mappings, and parsing\n// them is expensive, so we only want to do it if we must.\n//\n// Each object in the arrays is of the form:\n//\n//     {\n//       generatedLine: The line number in the generated code,\n//       generatedColumn: The column number in the generated code,\n//       source: The path to the original source file that generated this\n//               chunk of code,\n//       originalLine: The line number in the original source that\n//                     corresponds to this chunk of generated code,\n//       originalColumn: The column number in the original source that\n//                       corresponds to this chunk of generated code,\n//       name: The name of the original symbol which generated this chunk of\n//             code.\n//     }\n//\n// All properties except for `generatedLine` and `generatedColumn` can be\n// `null`.\n//\n// `_generatedMappings` is ordered by the generated positions.\n//\n// `_originalMappings` is ordered by the original positions.\n\nSourceMapConsumer.prototype.__generatedMappings = null;\nObject.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {\n  get: function () {\n    if (!this.__generatedMappings) {\n      this._parseMappings(this._mappings, this.sourceRoot);\n    }\n\n    return this.__generatedMappings;\n  }\n});\n\nSourceMapConsumer.prototype.__originalMappings = null;\nObject.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {\n  get: function () {\n    if (!this.__originalMappings) {\n      this._parseMappings(this._mappings, this.sourceRoot);\n    }\n\n    return this.__originalMappings;\n  }\n});\n\nSourceMapConsumer.prototype._charIsMappingSeparator =\n  function SourceMapConsumer_charIsMappingSeparator(aStr, index) {\n    var c = aStr.charAt(index);\n    return c === \";\" || c === \",\";\n  };\n\n/**\n * Parse the mappings in a string in to a data structure which we can easily\n * query (the ordered arrays in the `this.__generatedMappings` and\n * `this.__originalMappings` properties).\n */\nSourceMapConsumer.prototype._parseMappings =\n  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {\n    throw new Error(\"Subclasses must implement _parseMappings\");\n  };\n\nSourceMapConsumer.GENERATED_ORDER = 1;\nSourceMapConsumer.ORIGINAL_ORDER = 2;\n\nSourceMapConsumer.GREATEST_LOWER_BOUND = 1;\nSourceMapConsumer.LEAST_UPPER_BOUND = 2;\n\n/**\n * Iterate over each mapping between an original source/line/column and a\n * generated line/column in this source map.\n *\n * @param Function aCallback\n *        The function that is called with each mapping.\n * @param Object aContext\n *        Optional. If specified, this object will be the value of `this` every\n *        time that `aCallback` is called.\n * @param aOrder\n *        Either `SourceMapConsumer.GENERATED_ORDER` or\n *        `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to\n *        iterate over the mappings sorted by the generated file's line/column\n *        order or the original's source/line/column order, respectively. Defaults to\n *        `SourceMapConsumer.GENERATED_ORDER`.\n */\nSourceMapConsumer.prototype.eachMapping =\n  function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {\n    var context = aContext || null;\n    var order = aOrder || SourceMapConsumer.GENERATED_ORDER;\n\n    var mappings;\n    switch (order) {\n    case SourceMapConsumer.GENERATED_ORDER:\n      mappings = this._generatedMappings;\n      break;\n    case SourceMapConsumer.ORIGINAL_ORDER:\n      mappings = this._originalMappings;\n      break;\n    default:\n      throw new Error(\"Unknown order of iteration.\");\n    }\n\n    var sourceRoot = this.sourceRoot;\n    mappings.map(function (mapping) {\n      var source = mapping.source === null ? null : this._sources.at(mapping.source);\n      if (source != null && sourceRoot != null) {\n        source = util.join(sourceRoot, source);\n      }\n      return {\n        source: source,\n        generatedLine: mapping.generatedLine,\n        generatedColumn: mapping.generatedColumn,\n        originalLine: mapping.originalLine,\n        originalColumn: mapping.originalColumn,\n        name: mapping.name === null ? null : this._names.at(mapping.name)\n      };\n    }, this).forEach(aCallback, context);\n  };\n\n/**\n * Returns all generated line and column information for the original source,\n * line, and column provided. If no column is provided, returns all mappings\n * corresponding to a either the line we are searching for or the next\n * closest line that has any mappings. Otherwise, returns all mappings\n * corresponding to the given line and either the column we are searching for\n * or the next closest column that has any offsets.\n *\n * The only argument is an object with the following properties:\n *\n *   - source: The filename of the original source.\n *   - line: The line number in the original source.\n *   - column: Optional. the column number in the original source.\n *\n * and an array of objects is returned, each with the following properties:\n *\n *   - line: The line number in the generated source, or null.\n *   - column: The column number in the generated source, or null.\n */\nSourceMapConsumer.prototype.allGeneratedPositionsFor =\n  function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {\n    var line = util.getArg(aArgs, 'line');\n\n    // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping\n    // returns the index of the closest mapping less than the needle. By\n    // setting needle.originalColumn to 0, we thus find the last mapping for\n    // the given line, provided such a mapping exists.\n    var needle = {\n      source: util.getArg(aArgs, 'source'),\n      originalLine: line,\n      originalColumn: util.getArg(aArgs, 'column', 0)\n    };\n\n    if (this.sourceRoot != null) {\n      needle.source = util.relative(this.sourceRoot, needle.source);\n    }\n    if (!this._sources.has(needle.source)) {\n      return [];\n    }\n    needle.source = this._sources.indexOf(needle.source);\n\n    var mappings = [];\n\n    var index = this._findMapping(needle,\n                                  this._originalMappings,\n                                  \"originalLine\",\n                                  \"originalColumn\",\n                                  util.compareByOriginalPositions,\n                                  binarySearch.LEAST_UPPER_BOUND);\n    if (index >= 0) {\n      var mapping = this._originalMappings[index];\n\n      if (aArgs.column === undefined) {\n        var originalLine = mapping.originalLine;\n\n        // Iterate until either we run out of mappings, or we run into\n        // a mapping for a different line than the one we found. Since\n        // mappings are sorted, this is guaranteed to find all mappings for\n        // the line we found.\n        while (mapping && mapping.originalLine === originalLine) {\n          mappings.push({\n            line: util.getArg(mapping, 'generatedLine', null),\n            column: util.getArg(mapping, 'generatedColumn', null),\n            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)\n          });\n\n          mapping = this._originalMappings[++index];\n        }\n      } else {\n        var originalColumn = mapping.originalColumn;\n\n        // Iterate until either we run out of mappings, or we run into\n        // a mapping for a different line than the one we were searching for.\n        // Since mappings are sorted, this is guaranteed to find all mappings for\n        // the line we are searching for.\n        while (mapping &&\n               mapping.originalLine === line &&\n               mapping.originalColumn == originalColumn) {\n          mappings.push({\n            line: util.getArg(mapping, 'generatedLine', null),\n            column: util.getArg(mapping, 'generatedColumn', null),\n            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)\n          });\n\n          mapping = this._originalMappings[++index];\n        }\n      }\n    }\n\n    return mappings;\n  };\n\nexports.SourceMapConsumer = SourceMapConsumer;\n\n/**\n * A BasicSourceMapConsumer instance represents a parsed source map which we can\n * query for information about the original file positions by giving it a file\n * position in the generated source.\n *\n * The only parameter is the raw source map (either as a JSON string, or\n * already parsed to an object). According to the spec, source maps have the\n * following attributes:\n *\n *   - version: Which version of the source map spec this map is following.\n *   - sources: An array of URLs to the original source files.\n *   - names: An array of identifiers which can be referrenced by individual mappings.\n *   - sourceRoot: Optional. The URL root from which all sources are relative.\n *   - sourcesContent: Optional. An array of contents of the original source files.\n *   - mappings: A string of base64 VLQs which contain the actual mappings.\n *   - file: Optional. The generated file this source map is associated with.\n *\n * Here is an example source map, taken from the source map spec[0]:\n *\n *     {\n *       version : 3,\n *       file: \"out.js\",\n *       sourceRoot : \"\",\n *       sources: [\"foo.js\", \"bar.js\"],\n *       names: [\"src\", \"maps\", \"are\", \"fun\"],\n *       mappings: \"AA,AB;;ABCDE;\"\n *     }\n *\n * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#\n */\nfunction BasicSourceMapConsumer(aSourceMap) {\n  var sourceMap = aSourceMap;\n  if (typeof aSourceMap === 'string') {\n    sourceMap = JSON.parse(aSourceMap.replace(/^\\)\\]\\}'/, ''));\n  }\n\n  var version = util.getArg(sourceMap, 'version');\n  var sources = util.getArg(sourceMap, 'sources');\n  // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which\n  // requires the array) to play nice here.\n  var names = util.getArg(sourceMap, 'names', []);\n  var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);\n  var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);\n  var mappings = util.getArg(sourceMap, 'mappings');\n  var file = util.getArg(sourceMap, 'file', null);\n\n  // Once again, Sass deviates from the spec and supplies the version as a\n  // string rather than a number, so we use loose equality checking here.\n  if (version != this._version) {\n    throw new Error('Unsupported version: ' + version);\n  }\n\n  sources = sources\n    .map(String)\n    // Some source maps produce relative source paths like \"./foo.js\" instead of\n    // \"foo.js\".  Normalize these first so that future comparisons will succeed.\n    // See bugzil.la/1090768.\n    .map(util.normalize)\n    // Always ensure that absolute sources are internally stored relative to\n    // the source root, if the source root is absolute. Not doing this would\n    // be particularly problematic when the source root is a prefix of the\n    // source (valid, but why??). See github issue #199 and bugzil.la/1188982.\n    .map(function (source) {\n      return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source)\n        ? util.relative(sourceRoot, source)\n        : source;\n    });\n\n  // Pass `true` below to allow duplicate names and sources. While source maps\n  // are intended to be compressed and deduplicated, the TypeScript compiler\n  // sometimes generates source maps with duplicates in them. See Github issue\n  // #72 and bugzil.la/889492.\n  this._names = ArraySet.fromArray(names.map(String), true);\n  this._sources = ArraySet.fromArray(sources, true);\n\n  this.sourceRoot = sourceRoot;\n  this.sourcesContent = sourcesContent;\n  this._mappings = mappings;\n  this.file = file;\n}\n\nBasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);\nBasicSourceMapConsumer.prototype.consumer = SourceMapConsumer;\n\n/**\n * Create a BasicSourceMapConsumer from a SourceMapGenerator.\n *\n * @param SourceMapGenerator aSourceMap\n *        The source map that will be consumed.\n * @returns BasicSourceMapConsumer\n */\nBasicSourceMapConsumer.fromSourceMap =\n  function SourceMapConsumer_fromSourceMap(aSourceMap) {\n    var smc = Object.create(BasicSourceMapConsumer.prototype);\n\n    var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);\n    var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);\n    smc.sourceRoot = aSourceMap._sourceRoot;\n    smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),\n                                                            smc.sourceRoot);\n    smc.file = aSourceMap._file;\n\n    // Because we are modifying the entries (by converting string sources and\n    // names to indices into the sources and names ArraySets), we have to make\n    // a copy of the entry or else bad things happen. Shared mutable state\n    // strikes again! See github issue #191.\n\n    var generatedMappings = aSourceMap._mappings.toArray().slice();\n    var destGeneratedMappings = smc.__generatedMappings = [];\n    var destOriginalMappings = smc.__originalMappings = [];\n\n    for (var i = 0, length = generatedMappings.length; i < length; i++) {\n      var srcMapping = generatedMappings[i];\n      var destMapping = new Mapping;\n      destMapping.generatedLine = srcMapping.generatedLine;\n      destMapping.generatedColumn = srcMapping.generatedColumn;\n\n      if (srcMapping.source) {\n        destMapping.source = sources.indexOf(srcMapping.source);\n        destMapping.originalLine = srcMapping.originalLine;\n        destMapping.originalColumn = srcMapping.originalColumn;\n\n        if (srcMapping.name) {\n          destMapping.name = names.indexOf(srcMapping.name);\n        }\n\n        destOriginalMappings.push(destMapping);\n      }\n\n      destGeneratedMappings.push(destMapping);\n    }\n\n    quickSort(smc.__originalMappings, util.compareByOriginalPositions);\n\n    return smc;\n  };\n\n/**\n * The version of the source mapping spec that we are consuming.\n */\nBasicSourceMapConsumer.prototype._version = 3;\n\n/**\n * The list of original sources.\n */\nObject.defineProperty(BasicSourceMapConsumer.prototype, 'sources', {\n  get: function () {\n    return this._sources.toArray().map(function (s) {\n      return this.sourceRoot != null ? util.join(this.sourceRoot, s) : s;\n    }, this);\n  }\n});\n\n/**\n * Provide the JIT with a nice shape / hidden class.\n */\nfunction Mapping() {\n  this.generatedLine = 0;\n  this.generatedColumn = 0;\n  this.source = null;\n  this.originalLine = null;\n  this.originalColumn = null;\n  this.name = null;\n}\n\n/**\n * Parse the mappings in a string in to a data structure which we can easily\n * query (the ordered arrays in the `this.__generatedMappings` and\n * `this.__originalMappings` properties).\n */\nBasicSourceMapConsumer.prototype._parseMappings =\n  function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {\n    var generatedLine = 1;\n    var previousGeneratedColumn = 0;\n    var previousOriginalLine = 0;\n    var previousOriginalColumn = 0;\n    var previousSource = 0;\n    var previousName = 0;\n    var length = aStr.length;\n    var index = 0;\n    var cachedSegments = {};\n    var temp = {};\n    var originalMappings = [];\n    var generatedMappings = [];\n    var mapping, str, segment, end, value;\n\n    while (index < length) {\n      if (aStr.charAt(index) === ';') {\n        generatedLine++;\n        index++;\n        previousGeneratedColumn = 0;\n      }\n      else if (aStr.charAt(index) === ',') {\n        index++;\n      }\n      else {\n        mapping = new Mapping();\n        mapping.generatedLine = generatedLine;\n\n        // Because each offset is encoded relative to the previous one,\n        // many segments often have the same encoding. We can exploit this\n        // fact by caching the parsed variable length fields of each segment,\n        // allowing us to avoid a second parse if we encounter the same\n        // segment again.\n        for (end = index; end < length; end++) {\n          if (this._charIsMappingSeparator(aStr, end)) {\n            break;\n          }\n        }\n        str = aStr.slice(index, end);\n\n        segment = cachedSegments[str];\n        if (segment) {\n          index += str.length;\n        } else {\n          segment = [];\n          while (index < end) {\n            base64VLQ.decode(aStr, index, temp);\n            value = temp.value;\n            index = temp.rest;\n            segment.push(value);\n          }\n\n          if (segment.length === 2) {\n            throw new Error('Found a source, but no line and column');\n          }\n\n          if (segment.length === 3) {\n            throw new Error('Found a source and line, but no column');\n          }\n\n          cachedSegments[str] = segment;\n        }\n\n        // Generated column.\n        mapping.generatedColumn = previousGeneratedColumn + segment[0];\n        previousGeneratedColumn = mapping.generatedColumn;\n\n        if (segment.length > 1) {\n          // Original source.\n          mapping.source = previousSource + segment[1];\n          previousSource += segment[1];\n\n          // Original line.\n          mapping.originalLine = previousOriginalLine + segment[2];\n          previousOriginalLine = mapping.originalLine;\n          // Lines are stored 0-based\n          mapping.originalLine += 1;\n\n          // Original column.\n          mapping.originalColumn = previousOriginalColumn + segment[3];\n          previousOriginalColumn = mapping.originalColumn;\n\n          if (segment.length > 4) {\n            // Original name.\n            mapping.name = previousName + segment[4];\n            previousName += segment[4];\n          }\n        }\n\n        generatedMappings.push(mapping);\n        if (typeof mapping.originalLine === 'number') {\n          originalMappings.push(mapping);\n        }\n      }\n    }\n\n    quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated);\n    this.__generatedMappings = generatedMappings;\n\n    quickSort(originalMappings, util.compareByOriginalPositions);\n    this.__originalMappings = originalMappings;\n  };\n\n/**\n * Find the mapping that best matches the hypothetical \"needle\" mapping that\n * we are searching for in the given \"haystack\" of mappings.\n */\nBasicSourceMapConsumer.prototype._findMapping =\n  function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,\n                                         aColumnName, aComparator, aBias) {\n    // To return the position we are searching for, we must first find the\n    // mapping for the given position and then return the opposite position it\n    // points to. Because the mappings are sorted, we can use binary search to\n    // find the best mapping.\n\n    if (aNeedle[aLineName] <= 0) {\n      throw new TypeError('Line must be greater than or equal to 1, got '\n                          + aNeedle[aLineName]);\n    }\n    if (aNeedle[aColumnName] < 0) {\n      throw new TypeError('Column must be greater than or equal to 0, got '\n                          + aNeedle[aColumnName]);\n    }\n\n    return binarySearch.search(aNeedle, aMappings, aComparator, aBias);\n  };\n\n/**\n * Compute the last column for each generated mapping. The last column is\n * inclusive.\n */\nBasicSourceMapConsumer.prototype.computeColumnSpans =\n  function SourceMapConsumer_computeColumnSpans() {\n    for (var index = 0; index < this._generatedMappings.length; ++index) {\n      var mapping = this._generatedMappings[index];\n\n      // Mappings do not contain a field for the last generated columnt. We\n      // can come up with an optimistic estimate, however, by assuming that\n      // mappings are contiguous (i.e. given two consecutive mappings, the\n      // first mapping ends where the second one starts).\n      if (index + 1 < this._generatedMappings.length) {\n        var nextMapping = this._generatedMappings[index + 1];\n\n        if (mapping.generatedLine === nextMapping.generatedLine) {\n          mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;\n          continue;\n        }\n      }\n\n      // The last mapping for each line spans the entire line.\n      mapping.lastGeneratedColumn = Infinity;\n    }\n  };\n\n/**\n * Returns the original source, line, and column information for the generated\n * source's line and column positions provided. The only argument is an object\n * with the following properties:\n *\n *   - line: The line number in the generated source.\n *   - column: The column number in the generated source.\n *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or\n *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the\n *     closest element that is smaller than or greater than the one we are\n *     searching for, respectively, if the exact element cannot be found.\n *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.\n *\n * and an object is returned with the following properties:\n *\n *   - source: The original source file, or null.\n *   - line: The line number in the original source, or null.\n *   - column: The column number in the original source, or null.\n *   - name: The original identifier, or null.\n */\nBasicSourceMapConsumer.prototype.originalPositionFor =\n  function SourceMapConsumer_originalPositionFor(aArgs) {\n    var needle = {\n      generatedLine: util.getArg(aArgs, 'line'),\n      generatedColumn: util.getArg(aArgs, 'column')\n    };\n\n    var index = this._findMapping(\n      needle,\n      this._generatedMappings,\n      \"generatedLine\",\n      \"generatedColumn\",\n      util.compareByGeneratedPositionsDeflated,\n      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)\n    );\n\n    if (index >= 0) {\n      var mapping = this._generatedMappings[index];\n\n      if (mapping.generatedLine === needle.generatedLine) {\n        var source = util.getArg(mapping, 'source', null);\n        if (source !== null) {\n          source = this._sources.at(source);\n          if (this.sourceRoot != null) {\n            source = util.join(this.sourceRoot, source);\n          }\n        }\n        var name = util.getArg(mapping, 'name', null);\n        if (name !== null) {\n          name = this._names.at(name);\n        }\n        return {\n          source: source,\n          line: util.getArg(mapping, 'originalLine', null),\n          column: util.getArg(mapping, 'originalColumn', null),\n          name: name\n        };\n      }\n    }\n\n    return {\n      source: null,\n      line: null,\n      column: null,\n      name: null\n    };\n  };\n\n/**\n * Return true if we have the source content for every source in the source\n * map, false otherwise.\n */\nBasicSourceMapConsumer.prototype.hasContentsOfAllSources =\n  function BasicSourceMapConsumer_hasContentsOfAllSources() {\n    if (!this.sourcesContent) {\n      return false;\n    }\n    return this.sourcesContent.length >= this._sources.size() &&\n      !this.sourcesContent.some(function (sc) { return sc == null; });\n  };\n\n/**\n * Returns the original source content. The only argument is the url of the\n * original source file. Returns null if no original source content is\n * available.\n */\nBasicSourceMapConsumer.prototype.sourceContentFor =\n  function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {\n    if (!this.sourcesContent) {\n      return null;\n    }\n\n    if (this.sourceRoot != null) {\n      aSource = util.relative(this.sourceRoot, aSource);\n    }\n\n    if (this._sources.has(aSource)) {\n      return this.sourcesContent[this._sources.indexOf(aSource)];\n    }\n\n    var url;\n    if (this.sourceRoot != null\n        && (url = util.urlParse(this.sourceRoot))) {\n      // XXX: file:// URIs and absolute paths lead to unexpected behavior for\n      // many users. We can help them out when they expect file:// URIs to\n      // behave like it would if they were running a local HTTP server. See\n      // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.\n      var fileUriAbsPath = aSource.replace(/^file:\\/\\//, \"\");\n      if (url.scheme == \"file\"\n          && this._sources.has(fileUriAbsPath)) {\n        return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]\n      }\n\n      if ((!url.path || url.path == \"/\")\n          && this._sources.has(\"/\" + aSource)) {\n        return this.sourcesContent[this._sources.indexOf(\"/\" + aSource)];\n      }\n    }\n\n    // This function is used recursively from\n    // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we\n    // don't want to throw if we can't find the source - we just want to\n    // return null, so we provide a flag to exit gracefully.\n    if (nullOnMissing) {\n      return null;\n    }\n    else {\n      throw new Error('\"' + aSource + '\" is not in the SourceMap.');\n    }\n  };\n\n/**\n * Returns the generated line and column information for the original source,\n * line, and column positions provided. The only argument is an object with\n * the following properties:\n *\n *   - source: The filename of the original source.\n *   - line: The line number in the original source.\n *   - column: The column number in the original source.\n *   - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or\n *     'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the\n *     closest element that is smaller than or greater than the one we are\n *     searching for, respectively, if the exact element cannot be found.\n *     Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.\n *\n * and an object is returned with the following properties:\n *\n *   - line: The line number in the generated source, or null.\n *   - column: The column number in the generated source, or null.\n */\nBasicSourceMapConsumer.prototype.generatedPositionFor =\n  function SourceMapConsumer_generatedPositionFor(aArgs) {\n    var source = util.getArg(aArgs, 'source');\n    if (this.sourceRoot != null) {\n      source = util.relative(this.sourceRoot, source);\n    }\n    if (!this._sources.has(source)) {\n      return {\n        line: null,\n        column: null,\n        lastColumn: null\n      };\n    }\n    source = this._sources.indexOf(source);\n\n    var needle = {\n      source: source,\n      originalLine: util.getArg(aArgs, 'line'),\n      originalColumn: util.getArg(aArgs, 'column')\n    };\n\n    var index = this._findMapping(\n      needle,\n      this._originalMappings,\n      \"originalLine\",\n      \"originalColumn\",\n      util.compareByOriginalPositions,\n      util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)\n    );\n\n    if (index >= 0) {\n      var mapping = this._originalMappings[index];\n\n      if (mapping.source === needle.source) {\n        return {\n          line: util.getArg(mapping, 'generatedLine', null),\n          column: util.getArg(mapping, 'generatedColumn', null),\n          lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)\n        };\n      }\n    }\n\n    return {\n      line: null,\n      column: null,\n      lastColumn: null\n    };\n  };\n\nexports.BasicSourceMapConsumer = BasicSourceMapConsumer;\n\n/**\n * An IndexedSourceMapConsumer instance represents a parsed source map which\n * we can query for information. It differs from BasicSourceMapConsumer in\n * that it takes \"indexed\" source maps (i.e. ones with a \"sections\" field) as\n * input.\n *\n * The only parameter is a raw source map (either as a JSON string, or already\n * parsed to an object). According to the spec for indexed source maps, they\n * have the following attributes:\n *\n *   - version: Which version of the source map spec this map is following.\n *   - file: Optional. The generated file this source map is associated with.\n *   - sections: A list of section definitions.\n *\n * Each value under the \"sections\" field has two fields:\n *   - offset: The offset into the original specified at which this section\n *       begins to apply, defined as an object with a \"line\" and \"column\"\n *       field.\n *   - map: A source map definition. This source map could also be indexed,\n *       but doesn't have to be.\n *\n * Instead of the \"map\" field, it's also possible to have a \"url\" field\n * specifying a URL to retrieve a source map from, but that's currently\n * unsupported.\n *\n * Here's an example source map, taken from the source map spec[0], but\n * modified to omit a section which uses the \"url\" field.\n *\n *  {\n *    version : 3,\n *    file: \"app.js\",\n *    sections: [{\n *      offset: {line:100, column:10},\n *      map: {\n *        version : 3,\n *        file: \"section.js\",\n *        sources: [\"foo.js\", \"bar.js\"],\n *        names: [\"src\", \"maps\", \"are\", \"fun\"],\n *        mappings: \"AAAA,E;;ABCDE;\"\n *      }\n *    }],\n *  }\n *\n * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt\n */\nfunction IndexedSourceMapConsumer(aSourceMap) {\n  var sourceMap = aSourceMap;\n  if (typeof aSourceMap === 'string') {\n    sourceMap = JSON.parse(aSourceMap.replace(/^\\)\\]\\}'/, ''));\n  }\n\n  var version = util.getArg(sourceMap, 'version');\n  var sections = util.getArg(sourceMap, 'sections');\n\n  if (version != this._version) {\n    throw new Error('Unsupported version: ' + version);\n  }\n\n  this._sources = new ArraySet();\n  this._names = new ArraySet();\n\n  var lastOffset = {\n    line: -1,\n    column: 0\n  };\n  this._sections = sections.map(function (s) {\n    if (s.url) {\n      // The url field will require support for asynchronicity.\n      // See https://github.com/mozilla/source-map/issues/16\n      throw new Error('Support for url field in sections not implemented.');\n    }\n    var offset = util.getArg(s, 'offset');\n    var offsetLine = util.getArg(offset, 'line');\n    var offsetColumn = util.getArg(offset, 'column');\n\n    if (offsetLine < lastOffset.line ||\n        (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) {\n      throw new Error('Section offsets must be ordered and non-overlapping.');\n    }\n    lastOffset = offset;\n\n    return {\n      generatedOffset: {\n        // The offset fields are 0-based, but we use 1-based indices when\n        // encoding/decoding from VLQ.\n        generatedLine: offsetLine + 1,\n        generatedColumn: offsetColumn + 1\n      },\n      consumer: new SourceMapConsumer(util.getArg(s, 'map'))\n    }\n  });\n}\n\nIndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);\nIndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer;\n\n/**\n * The version of the source mapping spec that we are consuming.\n */\nIndexedSourceMapConsumer.prototype._version = 3;\n\n/**\n * The list of original sources.\n */\nObject.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', {\n  get: function () {\n    var sources = [];\n    for (var i = 0; i < this._sections.length; i++) {\n      for (var j = 0; j < this._sections[i].consumer.sources.length; j++) {\n        sources.push(this._sections[i].consumer.sources[j]);\n      }\n    }\n    return sources;\n  }\n});\n\n/**\n * Returns the original source, line, and column information for the generated\n * source's line and column positions provided. The only argument is an object\n * with the following properties:\n *\n *   - line: The line number in the generated source.\n *   - column: The column number in the generated source.\n *\n * and an object is returned with the following properties:\n *\n *   - source: The original source file, or null.\n *   - line: The line number in the original source, or null.\n *   - column: The column number in the original source, or null.\n *   - name: The original identifier, or null.\n */\nIndexedSourceMapConsumer.prototype.originalPositionFor =\n  function IndexedSourceMapConsumer_originalPositionFor(aArgs) {\n    var needle = {\n      generatedLine: util.getArg(aArgs, 'line'),\n      generatedColumn: util.getArg(aArgs, 'column')\n    };\n\n    // Find the section containing the generated position we're trying to map\n    // to an original position.\n    var sectionIndex = binarySearch.search(needle, this._sections,\n      function(needle, section) {\n        var cmp = needle.generatedLine - section.generatedOffset.generatedLine;\n        if (cmp) {\n          return cmp;\n        }\n\n        return (needle.generatedColumn -\n                section.generatedOffset.generatedColumn);\n      });\n    var section = this._sections[sectionIndex];\n\n    if (!section) {\n      return {\n        source: null,\n        line: null,\n        column: null,\n        name: null\n      };\n    }\n\n    return section.consumer.originalPositionFor({\n      line: needle.generatedLine -\n        (section.generatedOffset.generatedLine - 1),\n      column: needle.generatedColumn -\n        (section.generatedOffset.generatedLine === needle.generatedLine\n         ? section.generatedOffset.generatedColumn - 1\n         : 0),\n      bias: aArgs.bias\n    });\n  };\n\n/**\n * Return true if we have the source content for every source in the source\n * map, false otherwise.\n */\nIndexedSourceMapConsumer.prototype.hasContentsOfAllSources =\n  function IndexedSourceMapConsumer_hasContentsOfAllSources() {\n    return this._sections.every(function (s) {\n      return s.consumer.hasContentsOfAllSources();\n    });\n  };\n\n/**\n * Returns the original source content. The only argument is the url of the\n * original source file. Returns null if no original source content is\n * available.\n */\nIndexedSourceMapConsumer.prototype.sourceContentFor =\n  function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {\n    for (var i = 0; i < this._sections.length; i++) {\n      var section = this._sections[i];\n\n      var content = section.consumer.sourceContentFor(aSource, true);\n      if (content) {\n        return content;\n      }\n    }\n    if (nullOnMissing) {\n      return null;\n    }\n    else {\n      throw new Error('\"' + aSource + '\" is not in the SourceMap.');\n    }\n  };\n\n/**\n * Returns the generated line and column information for the original source,\n * line, and column positions provided. The only argument is an object with\n * the following properties:\n *\n *   - source: The filename of the original source.\n *   - line: The line number in the original source.\n *   - column: The column number in the original source.\n *\n * and an object is returned with the following properties:\n *\n *   - line: The line number in the generated source, or null.\n *   - column: The column number in the generated source, or null.\n */\nIndexedSourceMapConsumer.prototype.generatedPositionFor =\n  function IndexedSourceMapConsumer_generatedPositionFor(aArgs) {\n    for (var i = 0; i < this._sections.length; i++) {\n      var section = this._sections[i];\n\n      // Only consider this section if the requested source is in the list of\n      // sources of the consumer.\n      if (section.consumer.sources.indexOf(util.getArg(aArgs, 'source')) === -1) {\n        continue;\n      }\n      var generatedPosition = section.consumer.generatedPositionFor(aArgs);\n      if (generatedPosition) {\n        var ret = {\n          line: generatedPosition.line +\n            (section.generatedOffset.generatedLine - 1),\n          column: generatedPosition.column +\n            (section.generatedOffset.generatedLine === generatedPosition.line\n             ? section.generatedOffset.generatedColumn - 1\n             : 0)\n        };\n        return ret;\n      }\n    }\n\n    return {\n      line: null,\n      column: null\n    };\n  };\n\n/**\n * Parse the mappings in a string in to a data structure which we can easily\n * query (the ordered arrays in the `this.__generatedMappings` and\n * `this.__originalMappings` properties).\n */\nIndexedSourceMapConsumer.prototype._parseMappings =\n  function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) {\n    this.__generatedMappings = [];\n    this.__originalMappings = [];\n    for (var i = 0; i < this._sections.length; i++) {\n      var section = this._sections[i];\n      var sectionMappings = section.consumer._generatedMappings;\n      for (var j = 0; j < sectionMappings.length; j++) {\n        var mapping = sectionMappings[j];\n\n        var source = section.consumer._sources.at(mapping.source);\n        if (section.consumer.sourceRoot !== null) {\n          source = util.join(section.consumer.sourceRoot, source);\n        }\n        this._sources.add(source);\n        source = this._sources.indexOf(source);\n\n        var name = section.consumer._names.at(mapping.name);\n        this._names.add(name);\n        name = this._names.indexOf(name);\n\n        // The mappings coming from the consumer for the section have\n        // generated positions relative to the start of the section, so we\n        // need to offset them to be relative to the start of the concatenated\n        // generated file.\n        var adjustedMapping = {\n          source: source,\n          generatedLine: mapping.generatedLine +\n            (section.generatedOffset.generatedLine - 1),\n          generatedColumn: mapping.generatedColumn +\n            (section.generatedOffset.generatedLine === mapping.generatedLine\n            ? section.generatedOffset.generatedColumn - 1\n            : 0),\n          originalLine: mapping.originalLine,\n          originalColumn: mapping.originalColumn,\n          name: name\n        };\n\n        this.__generatedMappings.push(adjustedMapping);\n        if (typeof adjustedMapping.originalLine === 'number') {\n          this.__originalMappings.push(adjustedMapping);\n        }\n      }\n    }\n\n    quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated);\n    quickSort(this.__originalMappings, util.compareByOriginalPositions);\n  };\n\nexports.IndexedSourceMapConsumer = IndexedSourceMapConsumer;\n","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n\n/**\n * This is a helper function for getting values from parameter/options\n * objects.\n *\n * @param args The object we are extracting values from\n * @param name The name of the property we are getting.\n * @param defaultValue An optional value to return if the property is missing\n * from the object. If this is not specified and the property is missing, an\n * error will be thrown.\n */\nfunction getArg(aArgs, aName, aDefaultValue) {\n  if (aName in aArgs) {\n    return aArgs[aName];\n  } else if (arguments.length === 3) {\n    return aDefaultValue;\n  } else {\n    throw new Error('\"' + aName + '\" is a required argument.');\n  }\n}\nexports.getArg = getArg;\n\nvar urlRegexp = /^(?:([\\w+\\-.]+):)?\\/\\/(?:(\\w+:\\w+)@)?([\\w.]*)(?::(\\d+))?(\\S*)$/;\nvar dataUrlRegexp = /^data:.+\\,.+$/;\n\nfunction urlParse(aUrl) {\n  var match = aUrl.match(urlRegexp);\n  if (!match) {\n    return null;\n  }\n  return {\n    scheme: match[1],\n    auth: match[2],\n    host: match[3],\n    port: match[4],\n    path: match[5]\n  };\n}\nexports.urlParse = urlParse;\n\nfunction urlGenerate(aParsedUrl) {\n  var url = '';\n  if (aParsedUrl.scheme) {\n    url += aParsedUrl.scheme + ':';\n  }\n  url += '//';\n  if (aParsedUrl.auth) {\n    url += aParsedUrl.auth + '@';\n  }\n  if (aParsedUrl.host) {\n    url += aParsedUrl.host;\n  }\n  if (aParsedUrl.port) {\n    url += \":\" + aParsedUrl.port\n  }\n  if (aParsedUrl.path) {\n    url += aParsedUrl.path;\n  }\n  return url;\n}\nexports.urlGenerate = urlGenerate;\n\n/**\n * Normalizes a path, or the path portion of a URL:\n *\n * - Replaces consecutive slashes with one slash.\n * - Removes unnecessary '.' parts.\n * - Removes unnecessary '<dir>/..' parts.\n *\n * Based on code in the Node.js 'path' core module.\n *\n * @param aPath The path or url to normalize.\n */\nfunction normalize(aPath) {\n  var path = aPath;\n  var url = urlParse(aPath);\n  if (url) {\n    if (!url.path) {\n      return aPath;\n    }\n    path = url.path;\n  }\n  var isAbsolute = exports.isAbsolute(path);\n\n  var parts = path.split(/\\/+/);\n  for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {\n    part = parts[i];\n    if (part === '.') {\n      parts.splice(i, 1);\n    } else if (part === '..') {\n      up++;\n    } else if (up > 0) {\n      if (part === '') {\n        // The first part is blank if the path is absolute. Trying to go\n        // above the root is a no-op. Therefore we can remove all '..' parts\n        // directly after the root.\n        parts.splice(i + 1, up);\n        up = 0;\n      } else {\n        parts.splice(i, 2);\n        up--;\n      }\n    }\n  }\n  path = parts.join('/');\n\n  if (path === '') {\n    path = isAbsolute ? '/' : '.';\n  }\n\n  if (url) {\n    url.path = path;\n    return urlGenerate(url);\n  }\n  return path;\n}\nexports.normalize = normalize;\n\n/**\n * Joins two paths/URLs.\n *\n * @param aRoot The root path or URL.\n * @param aPath The path or URL to be joined with the root.\n *\n * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a\n *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended\n *   first.\n * - Otherwise aPath is a path. If aRoot is a URL, then its path portion\n *   is updated with the result and aRoot is returned. Otherwise the result\n *   is returned.\n *   - If aPath is absolute, the result is aPath.\n *   - Otherwise the two paths are joined with a slash.\n * - Joining for example 'http://' and 'www.example.com' is also supported.\n */\nfunction join(aRoot, aPath) {\n  if (aRoot === \"\") {\n    aRoot = \".\";\n  }\n  if (aPath === \"\") {\n    aPath = \".\";\n  }\n  var aPathUrl = urlParse(aPath);\n  var aRootUrl = urlParse(aRoot);\n  if (aRootUrl) {\n    aRoot = aRootUrl.path || '/';\n  }\n\n  // `join(foo, '//www.example.org')`\n  if (aPathUrl && !aPathUrl.scheme) {\n    if (aRootUrl) {\n      aPathUrl.scheme = aRootUrl.scheme;\n    }\n    return urlGenerate(aPathUrl);\n  }\n\n  if (aPathUrl || aPath.match(dataUrlRegexp)) {\n    return aPath;\n  }\n\n  // `join('http://', 'www.example.com')`\n  if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {\n    aRootUrl.host = aPath;\n    return urlGenerate(aRootUrl);\n  }\n\n  var joined = aPath.charAt(0) === '/'\n    ? aPath\n    : normalize(aRoot.replace(/\\/+$/, '') + '/' + aPath);\n\n  if (aRootUrl) {\n    aRootUrl.path = joined;\n    return urlGenerate(aRootUrl);\n  }\n  return joined;\n}\nexports.join = join;\n\nexports.isAbsolute = function (aPath) {\n  return aPath.charAt(0) === '/' || !!aPath.match(urlRegexp);\n};\n\n/**\n * Make a path relative to a URL or another path.\n *\n * @param aRoot The root path or URL.\n * @param aPath The path or URL to be made relative to aRoot.\n */\nfunction relative(aRoot, aPath) {\n  if (aRoot === \"\") {\n    aRoot = \".\";\n  }\n\n  aRoot = aRoot.replace(/\\/$/, '');\n\n  // It is possible for the path to be above the root. In this case, simply\n  // checking whether the root is a prefix of the path won't work. Instead, we\n  // need to remove components from the root one by one, until either we find\n  // a prefix that fits, or we run out of components to remove.\n  var level = 0;\n  while (aPath.indexOf(aRoot + '/') !== 0) {\n    var index = aRoot.lastIndexOf(\"/\");\n    if (index < 0) {\n      return aPath;\n    }\n\n    // If the only part of the root that is left is the scheme (i.e. http://,\n    // file:///, etc.), one or more slashes (/), or simply nothing at all, we\n    // have exhausted all components, so the path is not relative to the root.\n    aRoot = aRoot.slice(0, index);\n    if (aRoot.match(/^([^\\/]+:\\/)?\\/*$/)) {\n      return aPath;\n    }\n\n    ++level;\n  }\n\n  // Make sure we add a \"../\" for each component we removed from the root.\n  return Array(level + 1).join(\"../\") + aPath.substr(aRoot.length + 1);\n}\nexports.relative = relative;\n\nvar supportsNullProto = (function () {\n  var obj = Object.create(null);\n  return !('__proto__' in obj);\n}());\n\nfunction identity (s) {\n  return s;\n}\n\n/**\n * Because behavior goes wacky when you set `__proto__` on objects, we\n * have to prefix all the strings in our set with an arbitrary character.\n *\n * See https://github.com/mozilla/source-map/pull/31 and\n * https://github.com/mozilla/source-map/issues/30\n *\n * @param String aStr\n */\nfunction toSetString(aStr) {\n  if (isProtoString(aStr)) {\n    return '$' + aStr;\n  }\n\n  return aStr;\n}\nexports.toSetString = supportsNullProto ? identity : toSetString;\n\nfunction fromSetString(aStr) {\n  if (isProtoString(aStr)) {\n    return aStr.slice(1);\n  }\n\n  return aStr;\n}\nexports.fromSetString = supportsNullProto ? identity : fromSetString;\n\nfunction isProtoString(s) {\n  if (!s) {\n    return false;\n  }\n\n  var length = s.length;\n\n  if (length < 9 /* \"__proto__\".length */) {\n    return false;\n  }\n\n  if (s.charCodeAt(length - 1) !== 95  /* '_' */ ||\n      s.charCodeAt(length - 2) !== 95  /* '_' */ ||\n      s.charCodeAt(length - 3) !== 111 /* 'o' */ ||\n      s.charCodeAt(length - 4) !== 116 /* 't' */ ||\n      s.charCodeAt(length - 5) !== 111 /* 'o' */ ||\n      s.charCodeAt(length - 6) !== 114 /* 'r' */ ||\n      s.charCodeAt(length - 7) !== 112 /* 'p' */ ||\n      s.charCodeAt(length - 8) !== 95  /* '_' */ ||\n      s.charCodeAt(length - 9) !== 95  /* '_' */) {\n    return false;\n  }\n\n  for (var i = length - 10; i >= 0; i--) {\n    if (s.charCodeAt(i) !== 36 /* '$' */) {\n      return false;\n    }\n  }\n\n  return true;\n}\n\n/**\n * Comparator between two mappings where the original positions are compared.\n *\n * Optionally pass in `true` as `onlyCompareGenerated` to consider two\n * mappings with the same original source/line/column, but different generated\n * line and column the same. Useful when searching for a mapping with a\n * stubbed out mapping.\n */\nfunction compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {\n  var cmp = mappingA.source - mappingB.source;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalLine - mappingB.originalLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalColumn - mappingB.originalColumn;\n  if (cmp !== 0 || onlyCompareOriginal) {\n    return cmp;\n  }\n\n  cmp = mappingA.generatedColumn - mappingB.generatedColumn;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.generatedLine - mappingB.generatedLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  return mappingA.name - mappingB.name;\n}\nexports.compareByOriginalPositions = compareByOriginalPositions;\n\n/**\n * Comparator between two mappings with deflated source and name indices where\n * the generated positions are compared.\n *\n * Optionally pass in `true` as `onlyCompareGenerated` to consider two\n * mappings with the same generated line and column, but different\n * source/name/original line and column the same. Useful when searching for a\n * mapping with a stubbed out mapping.\n */\nfunction compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {\n  var cmp = mappingA.generatedLine - mappingB.generatedLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.generatedColumn - mappingB.generatedColumn;\n  if (cmp !== 0 || onlyCompareGenerated) {\n    return cmp;\n  }\n\n  cmp = mappingA.source - mappingB.source;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalLine - mappingB.originalLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalColumn - mappingB.originalColumn;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  return mappingA.name - mappingB.name;\n}\nexports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;\n\nfunction strcmp(aStr1, aStr2) {\n  if (aStr1 === aStr2) {\n    return 0;\n  }\n\n  if (aStr1 > aStr2) {\n    return 1;\n  }\n\n  return -1;\n}\n\n/**\n * Comparator between two mappings with inflated source and name strings where\n * the generated positions are compared.\n */\nfunction compareByGeneratedPositionsInflated(mappingA, mappingB) {\n  var cmp = mappingA.generatedLine - mappingB.generatedLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.generatedColumn - mappingB.generatedColumn;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = strcmp(mappingA.source, mappingB.source);\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalLine - mappingB.originalLine;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  cmp = mappingA.originalColumn - mappingB.originalColumn;\n  if (cmp !== 0) {\n    return cmp;\n  }\n\n  return strcmp(mappingA.name, mappingB.name);\n}\nexports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;\n","(function(root, factory) {\n    'use strict';\n    // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers.\n\n    /* istanbul ignore next */\n    if (typeof define === 'function' && define.amd) {\n        define('stack-generator', ['stackframe'], factory);\n    } else if (typeof exports === 'object') {\n        module.exports = factory(require('stackframe'));\n    } else {\n        root.StackGenerator = factory(root.StackFrame);\n    }\n}(this, function(StackFrame) {\n    return {\n        backtrace: function StackGenerator$$backtrace(opts) {\n            var stack = [];\n            var maxStackSize = 10;\n\n            if (typeof opts === 'object' && typeof opts.maxStackSize === 'number') {\n                maxStackSize = opts.maxStackSize;\n            }\n\n            var curr = arguments.callee;\n            while (curr && stack.length < maxStackSize && curr['arguments']) {\n                // Allow V8 optimizations\n                var args = new Array(curr['arguments'].length);\n                for (var i = 0; i < args.length; ++i) {\n                    args[i] = curr['arguments'][i];\n                }\n                if (/function(?:\\s+([\\w$]+))+\\s*\\(/.test(curr.toString())) {\n                    stack.push(new StackFrame({functionName: RegExp.$1 || undefined, args: args}));\n                } else {\n                    stack.push(new StackFrame({args: args}));\n                }\n\n                try {\n                    curr = curr.caller;\n                } catch (e) {\n                    break;\n                }\n            }\n            return stack;\n        }\n    };\n}));\n","(function(root, factory) {\n    'use strict';\n    // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers.\n\n    /* istanbul ignore next */\n    if (typeof define === 'function' && define.amd) {\n        define('stacktrace-gps', ['source-map', 'stackframe'], factory);\n    } else if (typeof exports === 'object') {\n        module.exports = factory(require('source-map/lib/source-map-consumer'), require('stackframe'));\n    } else {\n        root.StackTraceGPS = factory(root.SourceMap || root.sourceMap, root.StackFrame);\n    }\n}(this, function(SourceMap, StackFrame) {\n    'use strict';\n\n    /**\n     * Make a X-Domain request to url and callback.\n     *\n     * @param {String} url\n     * @returns {Promise} with response text if fulfilled\n     */\n    function _xdr(url) {\n        return new Promise(function(resolve, reject) {\n            var req = new XMLHttpRequest();\n            req.open('get', url);\n            req.onerror = reject;\n            req.onreadystatechange = function onreadystatechange() {\n                if (req.readyState === 4) {\n                    if ((req.status >= 200 && req.status < 300) ||\n                        (url.substr(0, 7) === 'file://' && req.responseText)) {\n                        resolve(req.responseText);\n                    } else {\n                        reject(new Error('HTTP status: ' + req.status + ' retrieving ' + url));\n                    }\n                }\n            };\n            req.send();\n        });\n\n    }\n\n    /**\n     * Convert a Base64-encoded string into its original representation.\n     * Used for inline sourcemaps.\n     *\n     * @param {String} b64str Base-64 encoded string\n     * @returns {String} original representation of the base64-encoded string.\n     */\n    function _atob(b64str) {\n        if (typeof window !== 'undefined' && window.atob) {\n            return window.atob(b64str);\n        } else {\n            throw new Error('You must supply a polyfill for window.atob in this environment');\n        }\n    }\n\n    function _parseJson(string) {\n        if (typeof JSON !== 'undefined' && JSON.parse) {\n            return JSON.parse(string);\n        } else {\n            throw new Error('You must supply a polyfill for JSON.parse in this environment');\n        }\n    }\n\n    function _findFunctionName(source, lineNumber/*, columnNumber*/) {\n        var syntaxes = [\n            // {name} = function ({args}) TODO args capture\n            /['\"]?([$_A-Za-z][$_A-Za-z0-9]*)['\"]?\\s*[:=]\\s*function\\b/,\n            // function {name}({args}) m[1]=name m[2]=args\n            /function\\s+([^('\"`]*?)\\s*\\(([^)]*)\\)/,\n            // {name} = eval()\n            /['\"]?([$_A-Za-z][$_A-Za-z0-9]*)['\"]?\\s*[:=]\\s*(?:eval|new Function)\\b/,\n            // fn_name() {\n            /\\b(?!(?:if|for|switch|while|with|catch)\\b)(?:(?:static)\\s+)?(\\S+)\\s*\\(.*?\\)\\s*\\{/,\n            // {name} = () => {\n            /['\"]?([$_A-Za-z][$_A-Za-z0-9]*)['\"]?\\s*[:=]\\s*\\(.*?\\)\\s*=>/\n        ];\n        var lines = source.split('\\n');\n\n        // Walk backwards in the source lines until we find the line which matches one of the patterns above\n        var code = '';\n        var maxLines = Math.min(lineNumber, 20);\n        for (var i = 0; i < maxLines; ++i) {\n            // lineNo is 1-based, source[] is 0-based\n            var line = lines[lineNumber - i - 1];\n            var commentPos = line.indexOf('//');\n            if (commentPos >= 0) {\n                line = line.substr(0, commentPos);\n            }\n\n            if (line) {\n                code = line + code;\n                var len = syntaxes.length;\n                for (var index = 0; index < len; index++) {\n                    var m = syntaxes[index].exec(code);\n                    if (m && m[1]) {\n                        return m[1];\n                    }\n                }\n            }\n        }\n        return undefined;\n    }\n\n    function _ensureSupportedEnvironment() {\n        if (typeof Object.defineProperty !== 'function' || typeof Object.create !== 'function') {\n            throw new Error('Unable to consume source maps in older browsers');\n        }\n    }\n\n    function _ensureStackFrameIsLegit(stackframe) {\n        if (typeof stackframe !== 'object') {\n            throw new TypeError('Given StackFrame is not an object');\n        } else if (typeof stackframe.fileName !== 'string') {\n            throw new TypeError('Given file name is not a String');\n        } else if (typeof stackframe.lineNumber !== 'number' ||\n            stackframe.lineNumber % 1 !== 0 ||\n            stackframe.lineNumber < 1) {\n            throw new TypeError('Given line number must be a positive integer');\n        } else if (typeof stackframe.columnNumber !== 'number' ||\n            stackframe.columnNumber % 1 !== 0 ||\n            stackframe.columnNumber < 0) {\n            throw new TypeError('Given column number must be a non-negative integer');\n        }\n        return true;\n    }\n\n    function _findSourceMappingURL(source) {\n        var sourceMappingUrlRegExp = /\\/\\/[#@] ?sourceMappingURL=([^\\s'\"]+)\\s*$/mg;\n        var lastSourceMappingUrl;\n        var matchSourceMappingUrl;\n        // eslint-disable-next-line no-cond-assign\n        while (matchSourceMappingUrl = sourceMappingUrlRegExp.exec(source)) {\n            lastSourceMappingUrl = matchSourceMappingUrl[1];\n        }\n        if (lastSourceMappingUrl) {\n            return lastSourceMappingUrl;\n        } else {\n            throw new Error('sourceMappingURL not found');\n        }\n    }\n\n    function _extractLocationInfoFromSourceMapSource(stackframe, sourceMapConsumer, sourceCache) {\n        return new Promise(function(resolve, reject) {\n            var loc = sourceMapConsumer.originalPositionFor({\n                line: stackframe.lineNumber,\n                column: stackframe.columnNumber\n            });\n\n            if (loc.source) {\n                // cache mapped sources\n                var mappedSource = sourceMapConsumer.sourceContentFor(loc.source);\n                if (mappedSource) {\n                    sourceCache[loc.source] = mappedSource;\n                }\n\n                resolve(\n                    // given stackframe and source location, update stackframe\n                    new StackFrame({\n                        functionName: loc.name || stackframe.functionName,\n                        args: stackframe.args,\n                        fileName: loc.source,\n                        lineNumber: loc.line,\n                        columnNumber: loc.column\n                    }));\n            } else {\n                reject(new Error('Could not get original source for given stackframe and source map'));\n            }\n        });\n    }\n\n    /**\n     * @constructor\n     * @param {Object} opts\n     *      opts.sourceCache = {url: \"Source String\"} => preload source cache\n     *      opts.sourceMapConsumerCache = {/path/file.js.map: SourceMapConsumer}\n     *      opts.offline = True to prevent network requests.\n     *              Best effort without sources or source maps.\n     *      opts.ajax = Promise returning function to make X-Domain requests\n     */\n    return function StackTraceGPS(opts) {\n        if (!(this instanceof StackTraceGPS)) {\n            return new StackTraceGPS(opts);\n        }\n        opts = opts || {};\n\n        this.sourceCache = opts.sourceCache || {};\n        this.sourceMapConsumerCache = opts.sourceMapConsumerCache || {};\n\n        this.ajax = opts.ajax || _xdr;\n\n        this._atob = opts.atob || _atob;\n\n        this._get = function _get(location) {\n            return new Promise(function(resolve, reject) {\n                var isDataUrl = location.substr(0, 5) === 'data:';\n                if (this.sourceCache[location]) {\n                    resolve(this.sourceCache[location]);\n                } else if (opts.offline && !isDataUrl) {\n                    reject(new Error('Cannot make network requests in offline mode'));\n                } else {\n                    if (isDataUrl) {\n                        // data URLs can have parameters.\n                        // see http://tools.ietf.org/html/rfc2397\n                        var supportedEncodingRegexp =\n                            /^data:application\\/json;([\\w=:\"-]+;)*base64,/;\n                        var match = location.match(supportedEncodingRegexp);\n                        if (match) {\n                            var sourceMapStart = match[0].length;\n                            var encodedSource = location.substr(sourceMapStart);\n                            var source = this._atob(encodedSource);\n                            this.sourceCache[location] = source;\n                            resolve(source);\n                        } else {\n                            reject(new Error('The encoding of the inline sourcemap is not supported'));\n                        }\n                    } else {\n                        var xhrPromise = this.ajax(location, {method: 'get'});\n                        // Cache the Promise to prevent duplicate in-flight requests\n                        this.sourceCache[location] = xhrPromise;\n                        xhrPromise.then(resolve, reject);\n                    }\n                }\n            }.bind(this));\n        };\n\n        /**\n         * Creating SourceMapConsumers is expensive, so this wraps the creation of a\n         * SourceMapConsumer in a per-instance cache.\n         *\n         * @param {String} sourceMappingURL = URL to fetch source map from\n         * @param {String} defaultSourceRoot = Default source root for source map if undefined\n         * @returns {Promise} that resolves a SourceMapConsumer\n         */\n        this._getSourceMapConsumer = function _getSourceMapConsumer(sourceMappingURL, defaultSourceRoot) {\n            return new Promise(function(resolve) {\n                if (this.sourceMapConsumerCache[sourceMappingURL]) {\n                    resolve(this.sourceMapConsumerCache[sourceMappingURL]);\n                } else {\n                    var sourceMapConsumerPromise = new Promise(function(resolve, reject) {\n                        return this._get(sourceMappingURL).then(function(sourceMapSource) {\n                            if (typeof sourceMapSource === 'string') {\n                                sourceMapSource = _parseJson(sourceMapSource.replace(/^\\)\\]\\}'/, ''));\n                            }\n                            if (typeof sourceMapSource.sourceRoot === 'undefined') {\n                                sourceMapSource.sourceRoot = defaultSourceRoot;\n                            }\n\n                            resolve(new SourceMap.SourceMapConsumer(sourceMapSource));\n                        }, reject);\n                    }.bind(this));\n                    this.sourceMapConsumerCache[sourceMappingURL] = sourceMapConsumerPromise;\n                    resolve(sourceMapConsumerPromise);\n                }\n            }.bind(this));\n        };\n\n        /**\n         * Given a StackFrame, enhance function name and use source maps for a\n         * better StackFrame.\n         *\n         * @param {StackFrame} stackframe object\n         * @returns {Promise} that resolves with with source-mapped StackFrame\n         */\n        this.pinpoint = function StackTraceGPS$$pinpoint(stackframe) {\n            return new Promise(function(resolve, reject) {\n                this.getMappedLocation(stackframe).then(function(mappedStackFrame) {\n                    function resolveMappedStackFrame() {\n                        resolve(mappedStackFrame);\n                    }\n\n                    this.findFunctionName(mappedStackFrame)\n                        .then(resolve, resolveMappedStackFrame)\n                        // eslint-disable-next-line no-unexpected-multiline\n                        ['catch'](resolveMappedStackFrame);\n                }.bind(this), reject);\n            }.bind(this));\n        };\n\n        /**\n         * Given a StackFrame, guess function name from location information.\n         *\n         * @param {StackFrame} stackframe\n         * @returns {Promise} that resolves with enhanced StackFrame.\n         */\n        this.findFunctionName = function StackTraceGPS$$findFunctionName(stackframe) {\n            return new Promise(function(resolve, reject) {\n                _ensureStackFrameIsLegit(stackframe);\n                this._get(stackframe.fileName).then(function getSourceCallback(source) {\n                    var lineNumber = stackframe.lineNumber;\n                    var columnNumber = stackframe.columnNumber;\n                    var guessedFunctionName = _findFunctionName(source, lineNumber, columnNumber);\n                    // Only replace functionName if we found something\n                    if (guessedFunctionName) {\n                        resolve(new StackFrame({\n                            functionName: guessedFunctionName,\n                            args: stackframe.args,\n                            fileName: stackframe.fileName,\n                            lineNumber: lineNumber,\n                            columnNumber: columnNumber\n                        }));\n                    } else {\n                        resolve(stackframe);\n                    }\n                }, reject)['catch'](reject);\n            }.bind(this));\n        };\n\n        /**\n         * Given a StackFrame, seek source-mapped location and return new enhanced StackFrame.\n         *\n         * @param {StackFrame} stackframe\n         * @returns {Promise} that resolves with enhanced StackFrame.\n         */\n        this.getMappedLocation = function StackTraceGPS$$getMappedLocation(stackframe) {\n            return new Promise(function(resolve, reject) {\n                _ensureSupportedEnvironment();\n                _ensureStackFrameIsLegit(stackframe);\n\n                var sourceCache = this.sourceCache;\n                var fileName = stackframe.fileName;\n                this._get(fileName).then(function(source) {\n                    var sourceMappingURL = _findSourceMappingURL(source);\n                    var isDataUrl = sourceMappingURL.substr(0, 5) === 'data:';\n                    var defaultSourceRoot = fileName.substring(0, fileName.lastIndexOf('/') + 1);\n\n                    if (sourceMappingURL[0] !== '/' && !isDataUrl && !(/^https?:\\/\\/|^\\/\\//i).test(sourceMappingURL)) {\n                        sourceMappingURL = defaultSourceRoot + sourceMappingURL;\n                    }\n\n                    return this._getSourceMapConsumer(sourceMappingURL, defaultSourceRoot)\n                        .then(function(sourceMapConsumer) {\n                            return _extractLocationInfoFromSourceMapSource(stackframe, sourceMapConsumer, sourceCache)\n                                .then(resolve)['catch'](function() {\n                                    resolve(stackframe);\n                                });\n                        });\n                }.bind(this), reject)['catch'](reject);\n            }.bind(this));\n        };\n    };\n}));\n","(function(root, factory) {\n    'use strict';\n    // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers.\n\n    /* istanbul ignore next */\n    if (typeof define === 'function' && define.amd) {\n        define('stacktrace', ['error-stack-parser', 'stack-generator', 'stacktrace-gps'], factory);\n    } else if (typeof exports === 'object') {\n        module.exports = factory(require('error-stack-parser'), require('stack-generator'), require('stacktrace-gps'));\n    } else {\n        root.StackTrace = factory(root.ErrorStackParser, root.StackGenerator, root.StackTraceGPS);\n    }\n}(this, function StackTrace(ErrorStackParser, StackGenerator, StackTraceGPS) {\n    var _options = {\n        filter: function(stackframe) {\n            // Filter out stackframes for this library by default\n            return (stackframe.functionName || '').indexOf('StackTrace$$') === -1 &&\n                (stackframe.functionName || '').indexOf('ErrorStackParser$$') === -1 &&\n                (stackframe.functionName || '').indexOf('StackTraceGPS$$') === -1 &&\n                (stackframe.functionName || '').indexOf('StackGenerator$$') === -1;\n        },\n        sourceCache: {}\n    };\n\n    var _generateError = function StackTrace$$GenerateError() {\n        try {\n            // Error must be thrown to get stack in IE\n            throw new Error();\n        } catch (err) {\n            return err;\n        }\n    };\n\n    /**\n     * Merge 2 given Objects. If a conflict occurs the second object wins.\n     * Does not do deep merges.\n     *\n     * @param {Object} first base object\n     * @param {Object} second overrides\n     * @returns {Object} merged first and second\n     * @private\n     */\n    function _merge(first, second) {\n        var target = {};\n\n        [first, second].forEach(function(obj) {\n            for (var prop in obj) {\n                if (Object.prototype.hasOwnProperty.call(obj, prop)) {\n                    target[prop] = obj[prop];\n                }\n            }\n            return target;\n        });\n\n        return target;\n    }\n\n    function _isShapedLikeParsableError(err) {\n        return err.stack || err['opera#sourceloc'];\n    }\n\n    function _filtered(stackframes, filter) {\n        if (typeof filter === 'function') {\n            return stackframes.filter(filter);\n        }\n        return stackframes;\n    }\n\n    return {\n        /**\n         * Get a backtrace from invocation point.\n         *\n         * @param {Object} opts\n         * @returns {Array} of StackFrame\n         */\n        get: function StackTrace$$get(opts) {\n            var err = _generateError();\n            return _isShapedLikeParsableError(err) ? this.fromError(err, opts) : this.generateArtificially(opts);\n        },\n\n        /**\n         * Get a backtrace from invocation point.\n         * IMPORTANT: Does not handle source maps or guess function names!\n         *\n         * @param {Object} opts\n         * @returns {Array} of StackFrame\n         */\n        getSync: function StackTrace$$getSync(opts) {\n            opts = _merge(_options, opts);\n            var err = _generateError();\n            var stack = _isShapedLikeParsableError(err) ? ErrorStackParser.parse(err) : StackGenerator.backtrace(opts);\n            return _filtered(stack, opts.filter);\n        },\n\n        /**\n         * Given an error object, parse it.\n         *\n         * @param {Error} error object\n         * @param {Object} opts\n         * @returns {Promise} for Array[StackFrame}\n         */\n        fromError: function StackTrace$$fromError(error, opts) {\n            opts = _merge(_options, opts);\n            var gps = new StackTraceGPS(opts);\n            return new Promise(function(resolve) {\n                var stackframes = _filtered(ErrorStackParser.parse(error), opts.filter);\n                resolve(Promise.all(stackframes.map(function(sf) {\n                    return new Promise(function(resolve) {\n                        function resolveOriginal() {\n                            resolve(sf);\n                        }\n\n                        gps.pinpoint(sf).then(resolve, resolveOriginal)['catch'](resolveOriginal);\n                    });\n                })));\n            }.bind(this));\n        },\n\n        /**\n         * Use StackGenerator to generate a backtrace.\n         *\n         * @param {Object} opts\n         * @returns {Promise} of Array[StackFrame]\n         */\n        generateArtificially: function StackTrace$$generateArtificially(opts) {\n            opts = _merge(_options, opts);\n            var stackFrames = StackGenerator.backtrace(opts);\n            if (typeof opts.filter === 'function') {\n                stackFrames = stackFrames.filter(opts.filter);\n            }\n            return Promise.resolve(stackFrames);\n        },\n\n        /**\n         * Given a function, wrap it such that invocations trigger a callback that\n         * is called with a stack trace.\n         *\n         * @param {Function} fn to be instrumented\n         * @param {Function} callback function to call with a stack trace on invocation\n         * @param {Function} errback optional function to call with error if unable to get stack trace.\n         * @param {Object} thisArg optional context object (e.g. window)\n         */\n        instrument: function StackTrace$$instrument(fn, callback, errback, thisArg) {\n            if (typeof fn !== 'function') {\n                throw new Error('Cannot instrument non-function object');\n            } else if (typeof fn.__stacktraceOriginalFn === 'function') {\n                // Already instrumented, return given Function\n                return fn;\n            }\n\n            var instrumented = function StackTrace$$instrumented() {\n                try {\n                    this.get().then(callback, errback)['catch'](errback);\n                    return fn.apply(thisArg || this, arguments);\n                } catch (e) {\n                    if (_isShapedLikeParsableError(e)) {\n                        this.fromError(e).then(callback, errback)['catch'](errback);\n                    }\n                    throw e;\n                }\n            }.bind(this);\n            instrumented.__stacktraceOriginalFn = fn;\n\n            return instrumented;\n        },\n\n        /**\n         * Given a function that has been instrumented,\n         * revert the function to it's original (non-instrumented) state.\n         *\n         * @param {Function} fn to de-instrument\n         */\n        deinstrument: function StackTrace$$deinstrument(fn) {\n            if (typeof fn !== 'function') {\n                throw new Error('Cannot de-instrument non-function object');\n            } else if (typeof fn.__stacktraceOriginalFn === 'function') {\n                return fn.__stacktraceOriginalFn;\n            } else {\n                // Function not instrumented, return original\n                return fn;\n            }\n        },\n\n        /**\n         * Given an error message and Array of StackFrames, serialize and POST to given URL.\n         *\n         * @param {Array} stackframes\n         * @param {String} url\n         * @param {String} errorMsg\n         * @param {Object} requestOptions\n         */\n        report: function StackTrace$$report(stackframes, url, errorMsg, requestOptions) {\n            return new Promise(function(resolve, reject) {\n                var req = new XMLHttpRequest();\n                req.onerror = reject;\n                req.onreadystatechange = function onreadystatechange() {\n                    if (req.readyState === 4) {\n                        if (req.status >= 200 && req.status < 400) {\n                            resolve(req.responseText);\n                        } else {\n                            reject(new Error('POST to ' + url + ' failed with status: ' + req.status));\n                        }\n                    }\n                };\n                req.open('post', url);\n\n                // Set request headers\n                req.setRequestHeader('Content-Type', 'application/json');\n                if (requestOptions && typeof requestOptions.headers === 'object') {\n                    var headers = requestOptions.headers;\n                    for (var header in headers) {\n                        if (Object.prototype.hasOwnProperty.call(headers, header)) {\n                            req.setRequestHeader(header, headers[header]);\n                        }\n                    }\n                }\n\n                var reportPayload = {stack: stackframes};\n                if (errorMsg !== undefined && errorMsg !== null) {\n                    reportPayload.message = errorMsg;\n                }\n\n                req.send(JSON.stringify(reportPayload));\n            });\n        }\n    };\n}));\n"]}
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.