source-map.debug.js 254 KB

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  1. (function webpackUniversalModuleDefinition(root, factory) {
  2. if(typeof exports === 'object' && typeof module === 'object')
  3. module.exports = factory();
  4. else if(typeof define === 'function' && define.amd)
  5. define([], factory);
  6. else if(typeof exports === 'object')
  7. exports["sourceMap"] = factory();
  8. else
  9. root["sourceMap"] = factory();
  10. })(this, function() {
  11. return /******/ (function(modules) { // webpackBootstrap
  12. /******/ // The module cache
  13. /******/ var installedModules = {};
  14. /******/
  15. /******/ // The require function
  16. /******/ function __webpack_require__(moduleId) {
  17. /******/
  18. /******/ // Check if module is in cache
  19. /******/ if(installedModules[moduleId])
  20. /******/ return installedModules[moduleId].exports;
  21. /******/
  22. /******/ // Create a new module (and put it into the cache)
  23. /******/ var module = installedModules[moduleId] = {
  24. /******/ exports: {},
  25. /******/ id: moduleId,
  26. /******/ loaded: false
  27. /******/ };
  28. /******/
  29. /******/ // Execute the module function
  30. /******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
  31. /******/
  32. /******/ // Flag the module as loaded
  33. /******/ module.loaded = true;
  34. /******/
  35. /******/ // Return the exports of the module
  36. /******/ return module.exports;
  37. /******/ }
  38. /******/
  39. /******/
  40. /******/ // expose the modules object (__webpack_modules__)
  41. /******/ __webpack_require__.m = modules;
  42. /******/
  43. /******/ // expose the module cache
  44. /******/ __webpack_require__.c = installedModules;
  45. /******/
  46. /******/ // __webpack_public_path__
  47. /******/ __webpack_require__.p = "";
  48. /******/
  49. /******/ // Load entry module and return exports
  50. /******/ return __webpack_require__(0);
  51. /******/ })
  52. /************************************************************************/
  53. /******/ ([
  54. /* 0 */
  55. /***/ (function(module, exports, __webpack_require__) {
  56. /*
  57. * Copyright 2009-2011 Mozilla Foundation and contributors
  58. * Licensed under the New BSD license. See LICENSE.txt or:
  59. * http://opensource.org/licenses/BSD-3-Clause
  60. */
  61. exports.SourceMapGenerator = __webpack_require__(1).SourceMapGenerator;
  62. exports.SourceMapConsumer = __webpack_require__(7).SourceMapConsumer;
  63. exports.SourceNode = __webpack_require__(10).SourceNode;
  64. /***/ }),
  65. /* 1 */
  66. /***/ (function(module, exports, __webpack_require__) {
  67. /* -*- Mode: js; js-indent-level: 2; -*- */
  68. /*
  69. * Copyright 2011 Mozilla Foundation and contributors
  70. * Licensed under the New BSD license. See LICENSE or:
  71. * http://opensource.org/licenses/BSD-3-Clause
  72. */
  73. var base64VLQ = __webpack_require__(2);
  74. var util = __webpack_require__(4);
  75. var ArraySet = __webpack_require__(5).ArraySet;
  76. var MappingList = __webpack_require__(6).MappingList;
  77. /**
  78. * An instance of the SourceMapGenerator represents a source map which is
  79. * being built incrementally. You may pass an object with the following
  80. * properties:
  81. *
  82. * - file: The filename of the generated source.
  83. * - sourceRoot: A root for all relative URLs in this source map.
  84. */
  85. function SourceMapGenerator(aArgs) {
  86. if (!aArgs) {
  87. aArgs = {};
  88. }
  89. this._file = util.getArg(aArgs, 'file', null);
  90. this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
  91. this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
  92. this._sources = new ArraySet();
  93. this._names = new ArraySet();
  94. this._mappings = new MappingList();
  95. this._sourcesContents = null;
  96. }
  97. SourceMapGenerator.prototype._version = 3;
  98. /**
  99. * Creates a new SourceMapGenerator based on a SourceMapConsumer
  100. *
  101. * @param aSourceMapConsumer The SourceMap.
  102. */
  103. SourceMapGenerator.fromSourceMap =
  104. function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
  105. var sourceRoot = aSourceMapConsumer.sourceRoot;
  106. var generator = new SourceMapGenerator({
  107. file: aSourceMapConsumer.file,
  108. sourceRoot: sourceRoot
  109. });
  110. aSourceMapConsumer.eachMapping(function (mapping) {
  111. var newMapping = {
  112. generated: {
  113. line: mapping.generatedLine,
  114. column: mapping.generatedColumn
  115. }
  116. };
  117. if (mapping.source != null) {
  118. newMapping.source = mapping.source;
  119. if (sourceRoot != null) {
  120. newMapping.source = util.relative(sourceRoot, newMapping.source);
  121. }
  122. newMapping.original = {
  123. line: mapping.originalLine,
  124. column: mapping.originalColumn
  125. };
  126. if (mapping.name != null) {
  127. newMapping.name = mapping.name;
  128. }
  129. }
  130. generator.addMapping(newMapping);
  131. });
  132. aSourceMapConsumer.sources.forEach(function (sourceFile) {
  133. var content = aSourceMapConsumer.sourceContentFor(sourceFile);
  134. if (content != null) {
  135. generator.setSourceContent(sourceFile, content);
  136. }
  137. });
  138. return generator;
  139. };
  140. /**
  141. * Add a single mapping from original source line and column to the generated
  142. * source's line and column for this source map being created. The mapping
  143. * object should have the following properties:
  144. *
  145. * - generated: An object with the generated line and column positions.
  146. * - original: An object with the original line and column positions.
  147. * - source: The original source file (relative to the sourceRoot).
  148. * - name: An optional original token name for this mapping.
  149. */
  150. SourceMapGenerator.prototype.addMapping =
  151. function SourceMapGenerator_addMapping(aArgs) {
  152. var generated = util.getArg(aArgs, 'generated');
  153. var original = util.getArg(aArgs, 'original', null);
  154. var source = util.getArg(aArgs, 'source', null);
  155. var name = util.getArg(aArgs, 'name', null);
  156. if (!this._skipValidation) {
  157. this._validateMapping(generated, original, source, name);
  158. }
  159. if (source != null) {
  160. source = String(source);
  161. if (!this._sources.has(source)) {
  162. this._sources.add(source);
  163. }
  164. }
  165. if (name != null) {
  166. name = String(name);
  167. if (!this._names.has(name)) {
  168. this._names.add(name);
  169. }
  170. }
  171. this._mappings.add({
  172. generatedLine: generated.line,
  173. generatedColumn: generated.column,
  174. originalLine: original != null && original.line,
  175. originalColumn: original != null && original.column,
  176. source: source,
  177. name: name
  178. });
  179. };
  180. /**
  181. * Set the source content for a source file.
  182. */
  183. SourceMapGenerator.prototype.setSourceContent =
  184. function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
  185. var source = aSourceFile;
  186. if (this._sourceRoot != null) {
  187. source = util.relative(this._sourceRoot, source);
  188. }
  189. if (aSourceContent != null) {
  190. // Add the source content to the _sourcesContents map.
  191. // Create a new _sourcesContents map if the property is null.
  192. if (!this._sourcesContents) {
  193. this._sourcesContents = Object.create(null);
  194. }
  195. this._sourcesContents[util.toSetString(source)] = aSourceContent;
  196. } else if (this._sourcesContents) {
  197. // Remove the source file from the _sourcesContents map.
  198. // If the _sourcesContents map is empty, set the property to null.
  199. delete this._sourcesContents[util.toSetString(source)];
  200. if (Object.keys(this._sourcesContents).length === 0) {
  201. this._sourcesContents = null;
  202. }
  203. }
  204. };
  205. /**
  206. * Applies the mappings of a sub-source-map for a specific source file to the
  207. * source map being generated. Each mapping to the supplied source file is
  208. * rewritten using the supplied source map. Note: The resolution for the
  209. * resulting mappings is the minimium of this map and the supplied map.
  210. *
  211. * @param aSourceMapConsumer The source map to be applied.
  212. * @param aSourceFile Optional. The filename of the source file.
  213. * If omitted, SourceMapConsumer's file property will be used.
  214. * @param aSourceMapPath Optional. The dirname of the path to the source map
  215. * to be applied. If relative, it is relative to the SourceMapConsumer.
  216. * This parameter is needed when the two source maps aren't in the same
  217. * directory, and the source map to be applied contains relative source
  218. * paths. If so, those relative source paths need to be rewritten
  219. * relative to the SourceMapGenerator.
  220. */
  221. SourceMapGenerator.prototype.applySourceMap =
  222. function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
  223. var sourceFile = aSourceFile;
  224. // If aSourceFile is omitted, we will use the file property of the SourceMap
  225. if (aSourceFile == null) {
  226. if (aSourceMapConsumer.file == null) {
  227. throw new Error(
  228. 'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
  229. 'or the source map\'s "file" property. Both were omitted.'
  230. );
  231. }
  232. sourceFile = aSourceMapConsumer.file;
  233. }
  234. var sourceRoot = this._sourceRoot;
  235. // Make "sourceFile" relative if an absolute Url is passed.
  236. if (sourceRoot != null) {
  237. sourceFile = util.relative(sourceRoot, sourceFile);
  238. }
  239. // Applying the SourceMap can add and remove items from the sources and
  240. // the names array.
  241. var newSources = new ArraySet();
  242. var newNames = new ArraySet();
  243. // Find mappings for the "sourceFile"
  244. this._mappings.unsortedForEach(function (mapping) {
  245. if (mapping.source === sourceFile && mapping.originalLine != null) {
  246. // Check if it can be mapped by the source map, then update the mapping.
  247. var original = aSourceMapConsumer.originalPositionFor({
  248. line: mapping.originalLine,
  249. column: mapping.originalColumn
  250. });
  251. if (original.source != null) {
  252. // Copy mapping
  253. mapping.source = original.source;
  254. if (aSourceMapPath != null) {
  255. mapping.source = util.join(aSourceMapPath, mapping.source)
  256. }
  257. if (sourceRoot != null) {
  258. mapping.source = util.relative(sourceRoot, mapping.source);
  259. }
  260. mapping.originalLine = original.line;
  261. mapping.originalColumn = original.column;
  262. if (original.name != null) {
  263. mapping.name = original.name;
  264. }
  265. }
  266. }
  267. var source = mapping.source;
  268. if (source != null && !newSources.has(source)) {
  269. newSources.add(source);
  270. }
  271. var name = mapping.name;
  272. if (name != null && !newNames.has(name)) {
  273. newNames.add(name);
  274. }
  275. }, this);
  276. this._sources = newSources;
  277. this._names = newNames;
  278. // Copy sourcesContents of applied map.
  279. aSourceMapConsumer.sources.forEach(function (sourceFile) {
  280. var content = aSourceMapConsumer.sourceContentFor(sourceFile);
  281. if (content != null) {
  282. if (aSourceMapPath != null) {
  283. sourceFile = util.join(aSourceMapPath, sourceFile);
  284. }
  285. if (sourceRoot != null) {
  286. sourceFile = util.relative(sourceRoot, sourceFile);
  287. }
  288. this.setSourceContent(sourceFile, content);
  289. }
  290. }, this);
  291. };
  292. /**
  293. * A mapping can have one of the three levels of data:
  294. *
  295. * 1. Just the generated position.
  296. * 2. The Generated position, original position, and original source.
  297. * 3. Generated and original position, original source, as well as a name
  298. * token.
  299. *
  300. * To maintain consistency, we validate that any new mapping being added falls
  301. * in to one of these categories.
  302. */
  303. SourceMapGenerator.prototype._validateMapping =
  304. function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
  305. aName) {
  306. // When aOriginal is truthy but has empty values for .line and .column,
  307. // it is most likely a programmer error. In this case we throw a very
  308. // specific error message to try to guide them the right way.
  309. // For example: https://github.com/Polymer/polymer-bundler/pull/519
  310. if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') {
  311. throw new Error(
  312. 'original.line and original.column are not numbers -- you probably meant to omit ' +
  313. 'the original mapping entirely and only map the generated position. If so, pass ' +
  314. 'null for the original mapping instead of an object with empty or null values.'
  315. );
  316. }
  317. if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
  318. && aGenerated.line > 0 && aGenerated.column >= 0
  319. && !aOriginal && !aSource && !aName) {
  320. // Case 1.
  321. return;
  322. }
  323. else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
  324. && aOriginal && 'line' in aOriginal && 'column' in aOriginal
  325. && aGenerated.line > 0 && aGenerated.column >= 0
  326. && aOriginal.line > 0 && aOriginal.column >= 0
  327. && aSource) {
  328. // Cases 2 and 3.
  329. return;
  330. }
  331. else {
  332. throw new Error('Invalid mapping: ' + JSON.stringify({
  333. generated: aGenerated,
  334. source: aSource,
  335. original: aOriginal,
  336. name: aName
  337. }));
  338. }
  339. };
  340. /**
  341. * Serialize the accumulated mappings in to the stream of base 64 VLQs
  342. * specified by the source map format.
  343. */
  344. SourceMapGenerator.prototype._serializeMappings =
  345. function SourceMapGenerator_serializeMappings() {
  346. var previousGeneratedColumn = 0;
  347. var previousGeneratedLine = 1;
  348. var previousOriginalColumn = 0;
  349. var previousOriginalLine = 0;
  350. var previousName = 0;
  351. var previousSource = 0;
  352. var result = '';
  353. var next;
  354. var mapping;
  355. var nameIdx;
  356. var sourceIdx;
  357. var mappings = this._mappings.toArray();
  358. for (var i = 0, len = mappings.length; i < len; i++) {
  359. mapping = mappings[i];
  360. next = ''
  361. if (mapping.generatedLine !== previousGeneratedLine) {
  362. previousGeneratedColumn = 0;
  363. while (mapping.generatedLine !== previousGeneratedLine) {
  364. next += ';';
  365. previousGeneratedLine++;
  366. }
  367. }
  368. else {
  369. if (i > 0) {
  370. if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) {
  371. continue;
  372. }
  373. next += ',';
  374. }
  375. }
  376. next += base64VLQ.encode(mapping.generatedColumn
  377. - previousGeneratedColumn);
  378. previousGeneratedColumn = mapping.generatedColumn;
  379. if (mapping.source != null) {
  380. sourceIdx = this._sources.indexOf(mapping.source);
  381. next += base64VLQ.encode(sourceIdx - previousSource);
  382. previousSource = sourceIdx;
  383. // lines are stored 0-based in SourceMap spec version 3
  384. next += base64VLQ.encode(mapping.originalLine - 1
  385. - previousOriginalLine);
  386. previousOriginalLine = mapping.originalLine - 1;
  387. next += base64VLQ.encode(mapping.originalColumn
  388. - previousOriginalColumn);
  389. previousOriginalColumn = mapping.originalColumn;
  390. if (mapping.name != null) {
  391. nameIdx = this._names.indexOf(mapping.name);
  392. next += base64VLQ.encode(nameIdx - previousName);
  393. previousName = nameIdx;
  394. }
  395. }
  396. result += next;
  397. }
  398. return result;
  399. };
  400. SourceMapGenerator.prototype._generateSourcesContent =
  401. function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
  402. return aSources.map(function (source) {
  403. if (!this._sourcesContents) {
  404. return null;
  405. }
  406. if (aSourceRoot != null) {
  407. source = util.relative(aSourceRoot, source);
  408. }
  409. var key = util.toSetString(source);
  410. return Object.prototype.hasOwnProperty.call(this._sourcesContents, key)
  411. ? this._sourcesContents[key]
  412. : null;
  413. }, this);
  414. };
  415. /**
  416. * Externalize the source map.
  417. */
  418. SourceMapGenerator.prototype.toJSON =
  419. function SourceMapGenerator_toJSON() {
  420. var map = {
  421. version: this._version,
  422. sources: this._sources.toArray(),
  423. names: this._names.toArray(),
  424. mappings: this._serializeMappings()
  425. };
  426. if (this._file != null) {
  427. map.file = this._file;
  428. }
  429. if (this._sourceRoot != null) {
  430. map.sourceRoot = this._sourceRoot;
  431. }
  432. if (this._sourcesContents) {
  433. map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
  434. }
  435. return map;
  436. };
  437. /**
  438. * Render the source map being generated to a string.
  439. */
  440. SourceMapGenerator.prototype.toString =
  441. function SourceMapGenerator_toString() {
  442. return JSON.stringify(this.toJSON());
  443. };
  444. exports.SourceMapGenerator = SourceMapGenerator;
  445. /***/ }),
  446. /* 2 */
  447. /***/ (function(module, exports, __webpack_require__) {
  448. /* -*- Mode: js; js-indent-level: 2; -*- */
  449. /*
  450. * Copyright 2011 Mozilla Foundation and contributors
  451. * Licensed under the New BSD license. See LICENSE or:
  452. * http://opensource.org/licenses/BSD-3-Clause
  453. *
  454. * Based on the Base 64 VLQ implementation in Closure Compiler:
  455. * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
  456. *
  457. * Copyright 2011 The Closure Compiler Authors. All rights reserved.
  458. * Redistribution and use in source and binary forms, with or without
  459. * modification, are permitted provided that the following conditions are
  460. * met:
  461. *
  462. * * Redistributions of source code must retain the above copyright
  463. * notice, this list of conditions and the following disclaimer.
  464. * * Redistributions in binary form must reproduce the above
  465. * copyright notice, this list of conditions and the following
  466. * disclaimer in the documentation and/or other materials provided
  467. * with the distribution.
  468. * * Neither the name of Google Inc. nor the names of its
  469. * contributors may be used to endorse or promote products derived
  470. * from this software without specific prior written permission.
  471. *
  472. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  473. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  474. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  475. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  476. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  477. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  478. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  479. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  480. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  481. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  482. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  483. */
  484. var base64 = __webpack_require__(3);
  485. // A single base 64 digit can contain 6 bits of data. For the base 64 variable
  486. // length quantities we use in the source map spec, the first bit is the sign,
  487. // the next four bits are the actual value, and the 6th bit is the
  488. // continuation bit. The continuation bit tells us whether there are more
  489. // digits in this value following this digit.
  490. //
  491. // Continuation
  492. // | Sign
  493. // | |
  494. // V V
  495. // 101011
  496. var VLQ_BASE_SHIFT = 5;
  497. // binary: 100000
  498. var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
  499. // binary: 011111
  500. var VLQ_BASE_MASK = VLQ_BASE - 1;
  501. // binary: 100000
  502. var VLQ_CONTINUATION_BIT = VLQ_BASE;
  503. /**
  504. * Converts from a two-complement value to a value where the sign bit is
  505. * placed in the least significant bit. For example, as decimals:
  506. * 1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
  507. * 2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
  508. */
  509. function toVLQSigned(aValue) {
  510. return aValue < 0
  511. ? ((-aValue) << 1) + 1
  512. : (aValue << 1) + 0;
  513. }
  514. /**
  515. * Converts to a two-complement value from a value where the sign bit is
  516. * placed in the least significant bit. For example, as decimals:
  517. * 2 (10 binary) becomes 1, 3 (11 binary) becomes -1
  518. * 4 (100 binary) becomes 2, 5 (101 binary) becomes -2
  519. */
  520. function fromVLQSigned(aValue) {
  521. var isNegative = (aValue & 1) === 1;
  522. var shifted = aValue >> 1;
  523. return isNegative
  524. ? -shifted
  525. : shifted;
  526. }
  527. /**
  528. * Returns the base 64 VLQ encoded value.
  529. */
  530. exports.encode = function base64VLQ_encode(aValue) {
  531. var encoded = "";
  532. var digit;
  533. var vlq = toVLQSigned(aValue);
  534. do {
  535. digit = vlq & VLQ_BASE_MASK;
  536. vlq >>>= VLQ_BASE_SHIFT;
  537. if (vlq > 0) {
  538. // There are still more digits in this value, so we must make sure the
  539. // continuation bit is marked.
  540. digit |= VLQ_CONTINUATION_BIT;
  541. }
  542. encoded += base64.encode(digit);
  543. } while (vlq > 0);
  544. return encoded;
  545. };
  546. /**
  547. * Decodes the next base 64 VLQ value from the given string and returns the
  548. * value and the rest of the string via the out parameter.
  549. */
  550. exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {
  551. var strLen = aStr.length;
  552. var result = 0;
  553. var shift = 0;
  554. var continuation, digit;
  555. do {
  556. if (aIndex >= strLen) {
  557. throw new Error("Expected more digits in base 64 VLQ value.");
  558. }
  559. digit = base64.decode(aStr.charCodeAt(aIndex++));
  560. if (digit === -1) {
  561. throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1));
  562. }
  563. continuation = !!(digit & VLQ_CONTINUATION_BIT);
  564. digit &= VLQ_BASE_MASK;
  565. result = result + (digit << shift);
  566. shift += VLQ_BASE_SHIFT;
  567. } while (continuation);
  568. aOutParam.value = fromVLQSigned(result);
  569. aOutParam.rest = aIndex;
  570. };
  571. /***/ }),
  572. /* 3 */
  573. /***/ (function(module, exports) {
  574. /* -*- Mode: js; js-indent-level: 2; -*- */
  575. /*
  576. * Copyright 2011 Mozilla Foundation and contributors
  577. * Licensed under the New BSD license. See LICENSE or:
  578. * http://opensource.org/licenses/BSD-3-Clause
  579. */
  580. var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
  581. /**
  582. * Encode an integer in the range of 0 to 63 to a single base 64 digit.
  583. */
  584. exports.encode = function (number) {
  585. if (0 <= number && number < intToCharMap.length) {
  586. return intToCharMap[number];
  587. }
  588. throw new TypeError("Must be between 0 and 63: " + number);
  589. };
  590. /**
  591. * Decode a single base 64 character code digit to an integer. Returns -1 on
  592. * failure.
  593. */
  594. exports.decode = function (charCode) {
  595. var bigA = 65; // 'A'
  596. var bigZ = 90; // 'Z'
  597. var littleA = 97; // 'a'
  598. var littleZ = 122; // 'z'
  599. var zero = 48; // '0'
  600. var nine = 57; // '9'
  601. var plus = 43; // '+'
  602. var slash = 47; // '/'
  603. var littleOffset = 26;
  604. var numberOffset = 52;
  605. // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
  606. if (bigA <= charCode && charCode <= bigZ) {
  607. return (charCode - bigA);
  608. }
  609. // 26 - 51: abcdefghijklmnopqrstuvwxyz
  610. if (littleA <= charCode && charCode <= littleZ) {
  611. return (charCode - littleA + littleOffset);
  612. }
  613. // 52 - 61: 0123456789
  614. if (zero <= charCode && charCode <= nine) {
  615. return (charCode - zero + numberOffset);
  616. }
  617. // 62: +
  618. if (charCode == plus) {
  619. return 62;
  620. }
  621. // 63: /
  622. if (charCode == slash) {
  623. return 63;
  624. }
  625. // Invalid base64 digit.
  626. return -1;
  627. };
  628. /***/ }),
  629. /* 4 */
  630. /***/ (function(module, exports) {
  631. /* -*- Mode: js; js-indent-level: 2; -*- */
  632. /*
  633. * Copyright 2011 Mozilla Foundation and contributors
  634. * Licensed under the New BSD license. See LICENSE or:
  635. * http://opensource.org/licenses/BSD-3-Clause
  636. */
  637. /**
  638. * This is a helper function for getting values from parameter/options
  639. * objects.
  640. *
  641. * @param args The object we are extracting values from
  642. * @param name The name of the property we are getting.
  643. * @param defaultValue An optional value to return if the property is missing
  644. * from the object. If this is not specified and the property is missing, an
  645. * error will be thrown.
  646. */
  647. function getArg(aArgs, aName, aDefaultValue) {
  648. if (aName in aArgs) {
  649. return aArgs[aName];
  650. } else if (arguments.length === 3) {
  651. return aDefaultValue;
  652. } else {
  653. throw new Error('"' + aName + '" is a required argument.');
  654. }
  655. }
  656. exports.getArg = getArg;
  657. var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.]*)(?::(\d+))?(\S*)$/;
  658. var dataUrlRegexp = /^data:.+\,.+$/;
  659. function urlParse(aUrl) {
  660. var match = aUrl.match(urlRegexp);
  661. if (!match) {
  662. return null;
  663. }
  664. return {
  665. scheme: match[1],
  666. auth: match[2],
  667. host: match[3],
  668. port: match[4],
  669. path: match[5]
  670. };
  671. }
  672. exports.urlParse = urlParse;
  673. function urlGenerate(aParsedUrl) {
  674. var url = '';
  675. if (aParsedUrl.scheme) {
  676. url += aParsedUrl.scheme + ':';
  677. }
  678. url += '//';
  679. if (aParsedUrl.auth) {
  680. url += aParsedUrl.auth + '@';
  681. }
  682. if (aParsedUrl.host) {
  683. url += aParsedUrl.host;
  684. }
  685. if (aParsedUrl.port) {
  686. url += ":" + aParsedUrl.port
  687. }
  688. if (aParsedUrl.path) {
  689. url += aParsedUrl.path;
  690. }
  691. return url;
  692. }
  693. exports.urlGenerate = urlGenerate;
  694. /**
  695. * Normalizes a path, or the path portion of a URL:
  696. *
  697. * - Replaces consecutive slashes with one slash.
  698. * - Removes unnecessary '.' parts.
  699. * - Removes unnecessary '<dir>/..' parts.
  700. *
  701. * Based on code in the Node.js 'path' core module.
  702. *
  703. * @param aPath The path or url to normalize.
  704. */
  705. function normalize(aPath) {
  706. var path = aPath;
  707. var url = urlParse(aPath);
  708. if (url) {
  709. if (!url.path) {
  710. return aPath;
  711. }
  712. path = url.path;
  713. }
  714. var isAbsolute = exports.isAbsolute(path);
  715. var parts = path.split(/\/+/);
  716. for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
  717. part = parts[i];
  718. if (part === '.') {
  719. parts.splice(i, 1);
  720. } else if (part === '..') {
  721. up++;
  722. } else if (up > 0) {
  723. if (part === '') {
  724. // The first part is blank if the path is absolute. Trying to go
  725. // above the root is a no-op. Therefore we can remove all '..' parts
  726. // directly after the root.
  727. parts.splice(i + 1, up);
  728. up = 0;
  729. } else {
  730. parts.splice(i, 2);
  731. up--;
  732. }
  733. }
  734. }
  735. path = parts.join('/');
  736. if (path === '') {
  737. path = isAbsolute ? '/' : '.';
  738. }
  739. if (url) {
  740. url.path = path;
  741. return urlGenerate(url);
  742. }
  743. return path;
  744. }
  745. exports.normalize = normalize;
  746. /**
  747. * Joins two paths/URLs.
  748. *
  749. * @param aRoot The root path or URL.
  750. * @param aPath The path or URL to be joined with the root.
  751. *
  752. * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
  753. * scheme-relative URL: Then the scheme of aRoot, if any, is prepended
  754. * first.
  755. * - Otherwise aPath is a path. If aRoot is a URL, then its path portion
  756. * is updated with the result and aRoot is returned. Otherwise the result
  757. * is returned.
  758. * - If aPath is absolute, the result is aPath.
  759. * - Otherwise the two paths are joined with a slash.
  760. * - Joining for example 'http://' and 'www.example.com' is also supported.
  761. */
  762. function join(aRoot, aPath) {
  763. if (aRoot === "") {
  764. aRoot = ".";
  765. }
  766. if (aPath === "") {
  767. aPath = ".";
  768. }
  769. var aPathUrl = urlParse(aPath);
  770. var aRootUrl = urlParse(aRoot);
  771. if (aRootUrl) {
  772. aRoot = aRootUrl.path || '/';
  773. }
  774. // `join(foo, '//www.example.org')`
  775. if (aPathUrl && !aPathUrl.scheme) {
  776. if (aRootUrl) {
  777. aPathUrl.scheme = aRootUrl.scheme;
  778. }
  779. return urlGenerate(aPathUrl);
  780. }
  781. if (aPathUrl || aPath.match(dataUrlRegexp)) {
  782. return aPath;
  783. }
  784. // `join('http://', 'www.example.com')`
  785. if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
  786. aRootUrl.host = aPath;
  787. return urlGenerate(aRootUrl);
  788. }
  789. var joined = aPath.charAt(0) === '/'
  790. ? aPath
  791. : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);
  792. if (aRootUrl) {
  793. aRootUrl.path = joined;
  794. return urlGenerate(aRootUrl);
  795. }
  796. return joined;
  797. }
  798. exports.join = join;
  799. exports.isAbsolute = function (aPath) {
  800. return aPath.charAt(0) === '/' || !!aPath.match(urlRegexp);
  801. };
  802. /**
  803. * Make a path relative to a URL or another path.
  804. *
  805. * @param aRoot The root path or URL.
  806. * @param aPath The path or URL to be made relative to aRoot.
  807. */
  808. function relative(aRoot, aPath) {
  809. if (aRoot === "") {
  810. aRoot = ".";
  811. }
  812. aRoot = aRoot.replace(/\/$/, '');
  813. // It is possible for the path to be above the root. In this case, simply
  814. // checking whether the root is a prefix of the path won't work. Instead, we
  815. // need to remove components from the root one by one, until either we find
  816. // a prefix that fits, or we run out of components to remove.
  817. var level = 0;
  818. while (aPath.indexOf(aRoot + '/') !== 0) {
  819. var index = aRoot.lastIndexOf("/");
  820. if (index < 0) {
  821. return aPath;
  822. }
  823. // If the only part of the root that is left is the scheme (i.e. http://,
  824. // file:///, etc.), one or more slashes (/), or simply nothing at all, we
  825. // have exhausted all components, so the path is not relative to the root.
  826. aRoot = aRoot.slice(0, index);
  827. if (aRoot.match(/^([^\/]+:\/)?\/*$/)) {
  828. return aPath;
  829. }
  830. ++level;
  831. }
  832. // Make sure we add a "../" for each component we removed from the root.
  833. return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1);
  834. }
  835. exports.relative = relative;
  836. var supportsNullProto = (function () {
  837. var obj = Object.create(null);
  838. return !('__proto__' in obj);
  839. }());
  840. function identity (s) {
  841. return s;
  842. }
  843. /**
  844. * Because behavior goes wacky when you set `__proto__` on objects, we
  845. * have to prefix all the strings in our set with an arbitrary character.
  846. *
  847. * See https://github.com/mozilla/source-map/pull/31 and
  848. * https://github.com/mozilla/source-map/issues/30
  849. *
  850. * @param String aStr
  851. */
  852. function toSetString(aStr) {
  853. if (isProtoString(aStr)) {
  854. return '$' + aStr;
  855. }
  856. return aStr;
  857. }
  858. exports.toSetString = supportsNullProto ? identity : toSetString;
  859. function fromSetString(aStr) {
  860. if (isProtoString(aStr)) {
  861. return aStr.slice(1);
  862. }
  863. return aStr;
  864. }
  865. exports.fromSetString = supportsNullProto ? identity : fromSetString;
  866. function isProtoString(s) {
  867. if (!s) {
  868. return false;
  869. }
  870. var length = s.length;
  871. if (length < 9 /* "__proto__".length */) {
  872. return false;
  873. }
  874. if (s.charCodeAt(length - 1) !== 95 /* '_' */ ||
  875. s.charCodeAt(length - 2) !== 95 /* '_' */ ||
  876. s.charCodeAt(length - 3) !== 111 /* 'o' */ ||
  877. s.charCodeAt(length - 4) !== 116 /* 't' */ ||
  878. s.charCodeAt(length - 5) !== 111 /* 'o' */ ||
  879. s.charCodeAt(length - 6) !== 114 /* 'r' */ ||
  880. s.charCodeAt(length - 7) !== 112 /* 'p' */ ||
  881. s.charCodeAt(length - 8) !== 95 /* '_' */ ||
  882. s.charCodeAt(length - 9) !== 95 /* '_' */) {
  883. return false;
  884. }
  885. for (var i = length - 10; i >= 0; i--) {
  886. if (s.charCodeAt(i) !== 36 /* '$' */) {
  887. return false;
  888. }
  889. }
  890. return true;
  891. }
  892. /**
  893. * Comparator between two mappings where the original positions are compared.
  894. *
  895. * Optionally pass in `true` as `onlyCompareGenerated` to consider two
  896. * mappings with the same original source/line/column, but different generated
  897. * line and column the same. Useful when searching for a mapping with a
  898. * stubbed out mapping.
  899. */
  900. function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
  901. var cmp = mappingA.source - mappingB.source;
  902. if (cmp !== 0) {
  903. return cmp;
  904. }
  905. cmp = mappingA.originalLine - mappingB.originalLine;
  906. if (cmp !== 0) {
  907. return cmp;
  908. }
  909. cmp = mappingA.originalColumn - mappingB.originalColumn;
  910. if (cmp !== 0 || onlyCompareOriginal) {
  911. return cmp;
  912. }
  913. cmp = mappingA.generatedColumn - mappingB.generatedColumn;
  914. if (cmp !== 0) {
  915. return cmp;
  916. }
  917. cmp = mappingA.generatedLine - mappingB.generatedLine;
  918. if (cmp !== 0) {
  919. return cmp;
  920. }
  921. return mappingA.name - mappingB.name;
  922. }
  923. exports.compareByOriginalPositions = compareByOriginalPositions;
  924. /**
  925. * Comparator between two mappings with deflated source and name indices where
  926. * the generated positions are compared.
  927. *
  928. * Optionally pass in `true` as `onlyCompareGenerated` to consider two
  929. * mappings with the same generated line and column, but different
  930. * source/name/original line and column the same. Useful when searching for a
  931. * mapping with a stubbed out mapping.
  932. */
  933. function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {
  934. var cmp = mappingA.generatedLine - mappingB.generatedLine;
  935. if (cmp !== 0) {
  936. return cmp;
  937. }
  938. cmp = mappingA.generatedColumn - mappingB.generatedColumn;
  939. if (cmp !== 0 || onlyCompareGenerated) {
  940. return cmp;
  941. }
  942. cmp = mappingA.source - mappingB.source;
  943. if (cmp !== 0) {
  944. return cmp;
  945. }
  946. cmp = mappingA.originalLine - mappingB.originalLine;
  947. if (cmp !== 0) {
  948. return cmp;
  949. }
  950. cmp = mappingA.originalColumn - mappingB.originalColumn;
  951. if (cmp !== 0) {
  952. return cmp;
  953. }
  954. return mappingA.name - mappingB.name;
  955. }
  956. exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;
  957. function strcmp(aStr1, aStr2) {
  958. if (aStr1 === aStr2) {
  959. return 0;
  960. }
  961. if (aStr1 > aStr2) {
  962. return 1;
  963. }
  964. return -1;
  965. }
  966. /**
  967. * Comparator between two mappings with inflated source and name strings where
  968. * the generated positions are compared.
  969. */
  970. function compareByGeneratedPositionsInflated(mappingA, mappingB) {
  971. var cmp = mappingA.generatedLine - mappingB.generatedLine;
  972. if (cmp !== 0) {
  973. return cmp;
  974. }
  975. cmp = mappingA.generatedColumn - mappingB.generatedColumn;
  976. if (cmp !== 0) {
  977. return cmp;
  978. }
  979. cmp = strcmp(mappingA.source, mappingB.source);
  980. if (cmp !== 0) {
  981. return cmp;
  982. }
  983. cmp = mappingA.originalLine - mappingB.originalLine;
  984. if (cmp !== 0) {
  985. return cmp;
  986. }
  987. cmp = mappingA.originalColumn - mappingB.originalColumn;
  988. if (cmp !== 0) {
  989. return cmp;
  990. }
  991. return strcmp(mappingA.name, mappingB.name);
  992. }
  993. exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;
  994. /***/ }),
  995. /* 5 */
  996. /***/ (function(module, exports, __webpack_require__) {
  997. /* -*- Mode: js; js-indent-level: 2; -*- */
  998. /*
  999. * Copyright 2011 Mozilla Foundation and contributors
  1000. * Licensed under the New BSD license. See LICENSE or:
  1001. * http://opensource.org/licenses/BSD-3-Clause
  1002. */
  1003. var util = __webpack_require__(4);
  1004. var has = Object.prototype.hasOwnProperty;
  1005. var hasNativeMap = typeof Map !== "undefined";
  1006. /**
  1007. * A data structure which is a combination of an array and a set. Adding a new
  1008. * member is O(1), testing for membership is O(1), and finding the index of an
  1009. * element is O(1). Removing elements from the set is not supported. Only
  1010. * strings are supported for membership.
  1011. */
  1012. function ArraySet() {
  1013. this._array = [];
  1014. this._set = hasNativeMap ? new Map() : Object.create(null);
  1015. }
  1016. /**
  1017. * Static method for creating ArraySet instances from an existing array.
  1018. */
  1019. ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
  1020. var set = new ArraySet();
  1021. for (var i = 0, len = aArray.length; i < len; i++) {
  1022. set.add(aArray[i], aAllowDuplicates);
  1023. }
  1024. return set;
  1025. };
  1026. /**
  1027. * Return how many unique items are in this ArraySet. If duplicates have been
  1028. * added, than those do not count towards the size.
  1029. *
  1030. * @returns Number
  1031. */
  1032. ArraySet.prototype.size = function ArraySet_size() {
  1033. return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length;
  1034. };
  1035. /**
  1036. * Add the given string to this set.
  1037. *
  1038. * @param String aStr
  1039. */
  1040. ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
  1041. var sStr = hasNativeMap ? aStr : util.toSetString(aStr);
  1042. var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr);
  1043. var idx = this._array.length;
  1044. if (!isDuplicate || aAllowDuplicates) {
  1045. this._array.push(aStr);
  1046. }
  1047. if (!isDuplicate) {
  1048. if (hasNativeMap) {
  1049. this._set.set(aStr, idx);
  1050. } else {
  1051. this._set[sStr] = idx;
  1052. }
  1053. }
  1054. };
  1055. /**
  1056. * Is the given string a member of this set?
  1057. *
  1058. * @param String aStr
  1059. */
  1060. ArraySet.prototype.has = function ArraySet_has(aStr) {
  1061. if (hasNativeMap) {
  1062. return this._set.has(aStr);
  1063. } else {
  1064. var sStr = util.toSetString(aStr);
  1065. return has.call(this._set, sStr);
  1066. }
  1067. };
  1068. /**
  1069. * What is the index of the given string in the array?
  1070. *
  1071. * @param String aStr
  1072. */
  1073. ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
  1074. if (hasNativeMap) {
  1075. var idx = this._set.get(aStr);
  1076. if (idx >= 0) {
  1077. return idx;
  1078. }
  1079. } else {
  1080. var sStr = util.toSetString(aStr);
  1081. if (has.call(this._set, sStr)) {
  1082. return this._set[sStr];
  1083. }
  1084. }
  1085. throw new Error('"' + aStr + '" is not in the set.');
  1086. };
  1087. /**
  1088. * What is the element at the given index?
  1089. *
  1090. * @param Number aIdx
  1091. */
  1092. ArraySet.prototype.at = function ArraySet_at(aIdx) {
  1093. if (aIdx >= 0 && aIdx < this._array.length) {
  1094. return this._array[aIdx];
  1095. }
  1096. throw new Error('No element indexed by ' + aIdx);
  1097. };
  1098. /**
  1099. * Returns the array representation of this set (which has the proper indices
  1100. * indicated by indexOf). Note that this is a copy of the internal array used
  1101. * for storing the members so that no one can mess with internal state.
  1102. */
  1103. ArraySet.prototype.toArray = function ArraySet_toArray() {
  1104. return this._array.slice();
  1105. };
  1106. exports.ArraySet = ArraySet;
  1107. /***/ }),
  1108. /* 6 */
  1109. /***/ (function(module, exports, __webpack_require__) {
  1110. /* -*- Mode: js; js-indent-level: 2; -*- */
  1111. /*
  1112. * Copyright 2014 Mozilla Foundation and contributors
  1113. * Licensed under the New BSD license. See LICENSE or:
  1114. * http://opensource.org/licenses/BSD-3-Clause
  1115. */
  1116. var util = __webpack_require__(4);
  1117. /**
  1118. * Determine whether mappingB is after mappingA with respect to generated
  1119. * position.
  1120. */
  1121. function generatedPositionAfter(mappingA, mappingB) {
  1122. // Optimized for most common case
  1123. var lineA = mappingA.generatedLine;
  1124. var lineB = mappingB.generatedLine;
  1125. var columnA = mappingA.generatedColumn;
  1126. var columnB = mappingB.generatedColumn;
  1127. return lineB > lineA || lineB == lineA && columnB >= columnA ||
  1128. util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;
  1129. }
  1130. /**
  1131. * A data structure to provide a sorted view of accumulated mappings in a
  1132. * performance conscious manner. It trades a neglibable overhead in general
  1133. * case for a large speedup in case of mappings being added in order.
  1134. */
  1135. function MappingList() {
  1136. this._array = [];
  1137. this._sorted = true;
  1138. // Serves as infimum
  1139. this._last = {generatedLine: -1, generatedColumn: 0};
  1140. }
  1141. /**
  1142. * Iterate through internal items. This method takes the same arguments that
  1143. * `Array.prototype.forEach` takes.
  1144. *
  1145. * NOTE: The order of the mappings is NOT guaranteed.
  1146. */
  1147. MappingList.prototype.unsortedForEach =
  1148. function MappingList_forEach(aCallback, aThisArg) {
  1149. this._array.forEach(aCallback, aThisArg);
  1150. };
  1151. /**
  1152. * Add the given source mapping.
  1153. *
  1154. * @param Object aMapping
  1155. */
  1156. MappingList.prototype.add = function MappingList_add(aMapping) {
  1157. if (generatedPositionAfter(this._last, aMapping)) {
  1158. this._last = aMapping;
  1159. this._array.push(aMapping);
  1160. } else {
  1161. this._sorted = false;
  1162. this._array.push(aMapping);
  1163. }
  1164. };
  1165. /**
  1166. * Returns the flat, sorted array of mappings. The mappings are sorted by
  1167. * generated position.
  1168. *
  1169. * WARNING: This method returns internal data without copying, for
  1170. * performance. The return value must NOT be mutated, and should be treated as
  1171. * an immutable borrow. If you want to take ownership, you must make your own
  1172. * copy.
  1173. */
  1174. MappingList.prototype.toArray = function MappingList_toArray() {
  1175. if (!this._sorted) {
  1176. this._array.sort(util.compareByGeneratedPositionsInflated);
  1177. this._sorted = true;
  1178. }
  1179. return this._array;
  1180. };
  1181. exports.MappingList = MappingList;
  1182. /***/ }),
  1183. /* 7 */
  1184. /***/ (function(module, exports, __webpack_require__) {
  1185. /* -*- Mode: js; js-indent-level: 2; -*- */
  1186. /*
  1187. * Copyright 2011 Mozilla Foundation and contributors
  1188. * Licensed under the New BSD license. See LICENSE or:
  1189. * http://opensource.org/licenses/BSD-3-Clause
  1190. */
  1191. var util = __webpack_require__(4);
  1192. var binarySearch = __webpack_require__(8);
  1193. var ArraySet = __webpack_require__(5).ArraySet;
  1194. var base64VLQ = __webpack_require__(2);
  1195. var quickSort = __webpack_require__(9).quickSort;
  1196. function SourceMapConsumer(aSourceMap) {
  1197. var sourceMap = aSourceMap;
  1198. if (typeof aSourceMap === 'string') {
  1199. sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
  1200. }
  1201. return sourceMap.sections != null
  1202. ? new IndexedSourceMapConsumer(sourceMap)
  1203. : new BasicSourceMapConsumer(sourceMap);
  1204. }
  1205. SourceMapConsumer.fromSourceMap = function(aSourceMap) {
  1206. return BasicSourceMapConsumer.fromSourceMap(aSourceMap);
  1207. }
  1208. /**
  1209. * The version of the source mapping spec that we are consuming.
  1210. */
  1211. SourceMapConsumer.prototype._version = 3;
  1212. // `__generatedMappings` and `__originalMappings` are arrays that hold the
  1213. // parsed mapping coordinates from the source map's "mappings" attribute. They
  1214. // are lazily instantiated, accessed via the `_generatedMappings` and
  1215. // `_originalMappings` getters respectively, and we only parse the mappings
  1216. // and create these arrays once queried for a source location. We jump through
  1217. // these hoops because there can be many thousands of mappings, and parsing
  1218. // them is expensive, so we only want to do it if we must.
  1219. //
  1220. // Each object in the arrays is of the form:
  1221. //
  1222. // {
  1223. // generatedLine: The line number in the generated code,
  1224. // generatedColumn: The column number in the generated code,
  1225. // source: The path to the original source file that generated this
  1226. // chunk of code,
  1227. // originalLine: The line number in the original source that
  1228. // corresponds to this chunk of generated code,
  1229. // originalColumn: The column number in the original source that
  1230. // corresponds to this chunk of generated code,
  1231. // name: The name of the original symbol which generated this chunk of
  1232. // code.
  1233. // }
  1234. //
  1235. // All properties except for `generatedLine` and `generatedColumn` can be
  1236. // `null`.
  1237. //
  1238. // `_generatedMappings` is ordered by the generated positions.
  1239. //
  1240. // `_originalMappings` is ordered by the original positions.
  1241. SourceMapConsumer.prototype.__generatedMappings = null;
  1242. Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
  1243. get: function () {
  1244. if (!this.__generatedMappings) {
  1245. this._parseMappings(this._mappings, this.sourceRoot);
  1246. }
  1247. return this.__generatedMappings;
  1248. }
  1249. });
  1250. SourceMapConsumer.prototype.__originalMappings = null;
  1251. Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
  1252. get: function () {
  1253. if (!this.__originalMappings) {
  1254. this._parseMappings(this._mappings, this.sourceRoot);
  1255. }
  1256. return this.__originalMappings;
  1257. }
  1258. });
  1259. SourceMapConsumer.prototype._charIsMappingSeparator =
  1260. function SourceMapConsumer_charIsMappingSeparator(aStr, index) {
  1261. var c = aStr.charAt(index);
  1262. return c === ";" || c === ",";
  1263. };
  1264. /**
  1265. * Parse the mappings in a string in to a data structure which we can easily
  1266. * query (the ordered arrays in the `this.__generatedMappings` and
  1267. * `this.__originalMappings` properties).
  1268. */
  1269. SourceMapConsumer.prototype._parseMappings =
  1270. function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
  1271. throw new Error("Subclasses must implement _parseMappings");
  1272. };
  1273. SourceMapConsumer.GENERATED_ORDER = 1;
  1274. SourceMapConsumer.ORIGINAL_ORDER = 2;
  1275. SourceMapConsumer.GREATEST_LOWER_BOUND = 1;
  1276. SourceMapConsumer.LEAST_UPPER_BOUND = 2;
  1277. /**
  1278. * Iterate over each mapping between an original source/line/column and a
  1279. * generated line/column in this source map.
  1280. *
  1281. * @param Function aCallback
  1282. * The function that is called with each mapping.
  1283. * @param Object aContext
  1284. * Optional. If specified, this object will be the value of `this` every
  1285. * time that `aCallback` is called.
  1286. * @param aOrder
  1287. * Either `SourceMapConsumer.GENERATED_ORDER` or
  1288. * `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
  1289. * iterate over the mappings sorted by the generated file's line/column
  1290. * order or the original's source/line/column order, respectively. Defaults to
  1291. * `SourceMapConsumer.GENERATED_ORDER`.
  1292. */
  1293. SourceMapConsumer.prototype.eachMapping =
  1294. function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
  1295. var context = aContext || null;
  1296. var order = aOrder || SourceMapConsumer.GENERATED_ORDER;
  1297. var mappings;
  1298. switch (order) {
  1299. case SourceMapConsumer.GENERATED_ORDER:
  1300. mappings = this._generatedMappings;
  1301. break;
  1302. case SourceMapConsumer.ORIGINAL_ORDER:
  1303. mappings = this._originalMappings;
  1304. break;
  1305. default:
  1306. throw new Error("Unknown order of iteration.");
  1307. }
  1308. var sourceRoot = this.sourceRoot;
  1309. mappings.map(function (mapping) {
  1310. var source = mapping.source === null ? null : this._sources.at(mapping.source);
  1311. if (source != null && sourceRoot != null) {
  1312. source = util.join(sourceRoot, source);
  1313. }
  1314. return {
  1315. source: source,
  1316. generatedLine: mapping.generatedLine,
  1317. generatedColumn: mapping.generatedColumn,
  1318. originalLine: mapping.originalLine,
  1319. originalColumn: mapping.originalColumn,
  1320. name: mapping.name === null ? null : this._names.at(mapping.name)
  1321. };
  1322. }, this).forEach(aCallback, context);
  1323. };
  1324. /**
  1325. * Returns all generated line and column information for the original source,
  1326. * line, and column provided. If no column is provided, returns all mappings
  1327. * corresponding to a either the line we are searching for or the next
  1328. * closest line that has any mappings. Otherwise, returns all mappings
  1329. * corresponding to the given line and either the column we are searching for
  1330. * or the next closest column that has any offsets.
  1331. *
  1332. * The only argument is an object with the following properties:
  1333. *
  1334. * - source: The filename of the original source.
  1335. * - line: The line number in the original source.
  1336. * - column: Optional. the column number in the original source.
  1337. *
  1338. * and an array of objects is returned, each with the following properties:
  1339. *
  1340. * - line: The line number in the generated source, or null.
  1341. * - column: The column number in the generated source, or null.
  1342. */
  1343. SourceMapConsumer.prototype.allGeneratedPositionsFor =
  1344. function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {
  1345. var line = util.getArg(aArgs, 'line');
  1346. // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping
  1347. // returns the index of the closest mapping less than the needle. By
  1348. // setting needle.originalColumn to 0, we thus find the last mapping for
  1349. // the given line, provided such a mapping exists.
  1350. var needle = {
  1351. source: util.getArg(aArgs, 'source'),
  1352. originalLine: line,
  1353. originalColumn: util.getArg(aArgs, 'column', 0)
  1354. };
  1355. if (this.sourceRoot != null) {
  1356. needle.source = util.relative(this.sourceRoot, needle.source);
  1357. }
  1358. if (!this._sources.has(needle.source)) {
  1359. return [];
  1360. }
  1361. needle.source = this._sources.indexOf(needle.source);
  1362. var mappings = [];
  1363. var index = this._findMapping(needle,
  1364. this._originalMappings,
  1365. "originalLine",
  1366. "originalColumn",
  1367. util.compareByOriginalPositions,
  1368. binarySearch.LEAST_UPPER_BOUND);
  1369. if (index >= 0) {
  1370. var mapping = this._originalMappings[index];
  1371. if (aArgs.column === undefined) {
  1372. var originalLine = mapping.originalLine;
  1373. // Iterate until either we run out of mappings, or we run into
  1374. // a mapping for a different line than the one we found. Since
  1375. // mappings are sorted, this is guaranteed to find all mappings for
  1376. // the line we found.
  1377. while (mapping && mapping.originalLine === originalLine) {
  1378. mappings.push({
  1379. line: util.getArg(mapping, 'generatedLine', null),
  1380. column: util.getArg(mapping, 'generatedColumn', null),
  1381. lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
  1382. });
  1383. mapping = this._originalMappings[++index];
  1384. }
  1385. } else {
  1386. var originalColumn = mapping.originalColumn;
  1387. // Iterate until either we run out of mappings, or we run into
  1388. // a mapping for a different line than the one we were searching for.
  1389. // Since mappings are sorted, this is guaranteed to find all mappings for
  1390. // the line we are searching for.
  1391. while (mapping &&
  1392. mapping.originalLine === line &&
  1393. mapping.originalColumn == originalColumn) {
  1394. mappings.push({
  1395. line: util.getArg(mapping, 'generatedLine', null),
  1396. column: util.getArg(mapping, 'generatedColumn', null),
  1397. lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
  1398. });
  1399. mapping = this._originalMappings[++index];
  1400. }
  1401. }
  1402. }
  1403. return mappings;
  1404. };
  1405. exports.SourceMapConsumer = SourceMapConsumer;
  1406. /**
  1407. * A BasicSourceMapConsumer instance represents a parsed source map which we can
  1408. * query for information about the original file positions by giving it a file
  1409. * position in the generated source.
  1410. *
  1411. * The only parameter is the raw source map (either as a JSON string, or
  1412. * already parsed to an object). According to the spec, source maps have the
  1413. * following attributes:
  1414. *
  1415. * - version: Which version of the source map spec this map is following.
  1416. * - sources: An array of URLs to the original source files.
  1417. * - names: An array of identifiers which can be referrenced by individual mappings.
  1418. * - sourceRoot: Optional. The URL root from which all sources are relative.
  1419. * - sourcesContent: Optional. An array of contents of the original source files.
  1420. * - mappings: A string of base64 VLQs which contain the actual mappings.
  1421. * - file: Optional. The generated file this source map is associated with.
  1422. *
  1423. * Here is an example source map, taken from the source map spec[0]:
  1424. *
  1425. * {
  1426. * version : 3,
  1427. * file: "out.js",
  1428. * sourceRoot : "",
  1429. * sources: ["foo.js", "bar.js"],
  1430. * names: ["src", "maps", "are", "fun"],
  1431. * mappings: "AA,AB;;ABCDE;"
  1432. * }
  1433. *
  1434. * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
  1435. */
  1436. function BasicSourceMapConsumer(aSourceMap) {
  1437. var sourceMap = aSourceMap;
  1438. if (typeof aSourceMap === 'string') {
  1439. sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
  1440. }
  1441. var version = util.getArg(sourceMap, 'version');
  1442. var sources = util.getArg(sourceMap, 'sources');
  1443. // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
  1444. // requires the array) to play nice here.
  1445. var names = util.getArg(sourceMap, 'names', []);
  1446. var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
  1447. var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
  1448. var mappings = util.getArg(sourceMap, 'mappings');
  1449. var file = util.getArg(sourceMap, 'file', null);
  1450. // Once again, Sass deviates from the spec and supplies the version as a
  1451. // string rather than a number, so we use loose equality checking here.
  1452. if (version != this._version) {
  1453. throw new Error('Unsupported version: ' + version);
  1454. }
  1455. sources = sources
  1456. .map(String)
  1457. // Some source maps produce relative source paths like "./foo.js" instead of
  1458. // "foo.js". Normalize these first so that future comparisons will succeed.
  1459. // See bugzil.la/1090768.
  1460. .map(util.normalize)
  1461. // Always ensure that absolute sources are internally stored relative to
  1462. // the source root, if the source root is absolute. Not doing this would
  1463. // be particularly problematic when the source root is a prefix of the
  1464. // source (valid, but why??). See github issue #199 and bugzil.la/1188982.
  1465. .map(function (source) {
  1466. return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source)
  1467. ? util.relative(sourceRoot, source)
  1468. : source;
  1469. });
  1470. // Pass `true` below to allow duplicate names and sources. While source maps
  1471. // are intended to be compressed and deduplicated, the TypeScript compiler
  1472. // sometimes generates source maps with duplicates in them. See Github issue
  1473. // #72 and bugzil.la/889492.
  1474. this._names = ArraySet.fromArray(names.map(String), true);
  1475. this._sources = ArraySet.fromArray(sources, true);
  1476. this.sourceRoot = sourceRoot;
  1477. this.sourcesContent = sourcesContent;
  1478. this._mappings = mappings;
  1479. this.file = file;
  1480. }
  1481. BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
  1482. BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer;
  1483. /**
  1484. * Create a BasicSourceMapConsumer from a SourceMapGenerator.
  1485. *
  1486. * @param SourceMapGenerator aSourceMap
  1487. * The source map that will be consumed.
  1488. * @returns BasicSourceMapConsumer
  1489. */
  1490. BasicSourceMapConsumer.fromSourceMap =
  1491. function SourceMapConsumer_fromSourceMap(aSourceMap) {
  1492. var smc = Object.create(BasicSourceMapConsumer.prototype);
  1493. var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
  1494. var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
  1495. smc.sourceRoot = aSourceMap._sourceRoot;
  1496. smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
  1497. smc.sourceRoot);
  1498. smc.file = aSourceMap._file;
  1499. // Because we are modifying the entries (by converting string sources and
  1500. // names to indices into the sources and names ArraySets), we have to make
  1501. // a copy of the entry or else bad things happen. Shared mutable state
  1502. // strikes again! See github issue #191.
  1503. var generatedMappings = aSourceMap._mappings.toArray().slice();
  1504. var destGeneratedMappings = smc.__generatedMappings = [];
  1505. var destOriginalMappings = smc.__originalMappings = [];
  1506. for (var i = 0, length = generatedMappings.length; i < length; i++) {
  1507. var srcMapping = generatedMappings[i];
  1508. var destMapping = new Mapping;
  1509. destMapping.generatedLine = srcMapping.generatedLine;
  1510. destMapping.generatedColumn = srcMapping.generatedColumn;
  1511. if (srcMapping.source) {
  1512. destMapping.source = sources.indexOf(srcMapping.source);
  1513. destMapping.originalLine = srcMapping.originalLine;
  1514. destMapping.originalColumn = srcMapping.originalColumn;
  1515. if (srcMapping.name) {
  1516. destMapping.name = names.indexOf(srcMapping.name);
  1517. }
  1518. destOriginalMappings.push(destMapping);
  1519. }
  1520. destGeneratedMappings.push(destMapping);
  1521. }
  1522. quickSort(smc.__originalMappings, util.compareByOriginalPositions);
  1523. return smc;
  1524. };
  1525. /**
  1526. * The version of the source mapping spec that we are consuming.
  1527. */
  1528. BasicSourceMapConsumer.prototype._version = 3;
  1529. /**
  1530. * The list of original sources.
  1531. */
  1532. Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', {
  1533. get: function () {
  1534. return this._sources.toArray().map(function (s) {
  1535. return this.sourceRoot != null ? util.join(this.sourceRoot, s) : s;
  1536. }, this);
  1537. }
  1538. });
  1539. /**
  1540. * Provide the JIT with a nice shape / hidden class.
  1541. */
  1542. function Mapping() {
  1543. this.generatedLine = 0;
  1544. this.generatedColumn = 0;
  1545. this.source = null;
  1546. this.originalLine = null;
  1547. this.originalColumn = null;
  1548. this.name = null;
  1549. }
  1550. /**
  1551. * Parse the mappings in a string in to a data structure which we can easily
  1552. * query (the ordered arrays in the `this.__generatedMappings` and
  1553. * `this.__originalMappings` properties).
  1554. */
  1555. BasicSourceMapConsumer.prototype._parseMappings =
  1556. function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
  1557. var generatedLine = 1;
  1558. var previousGeneratedColumn = 0;
  1559. var previousOriginalLine = 0;
  1560. var previousOriginalColumn = 0;
  1561. var previousSource = 0;
  1562. var previousName = 0;
  1563. var length = aStr.length;
  1564. var index = 0;
  1565. var cachedSegments = {};
  1566. var temp = {};
  1567. var originalMappings = [];
  1568. var generatedMappings = [];
  1569. var mapping, str, segment, end, value;
  1570. while (index < length) {
  1571. if (aStr.charAt(index) === ';') {
  1572. generatedLine++;
  1573. index++;
  1574. previousGeneratedColumn = 0;
  1575. }
  1576. else if (aStr.charAt(index) === ',') {
  1577. index++;
  1578. }
  1579. else {
  1580. mapping = new Mapping();
  1581. mapping.generatedLine = generatedLine;
  1582. // Because each offset is encoded relative to the previous one,
  1583. // many segments often have the same encoding. We can exploit this
  1584. // fact by caching the parsed variable length fields of each segment,
  1585. // allowing us to avoid a second parse if we encounter the same
  1586. // segment again.
  1587. for (end = index; end < length; end++) {
  1588. if (this._charIsMappingSeparator(aStr, end)) {
  1589. break;
  1590. }
  1591. }
  1592. str = aStr.slice(index, end);
  1593. segment = cachedSegments[str];
  1594. if (segment) {
  1595. index += str.length;
  1596. } else {
  1597. segment = [];
  1598. while (index < end) {
  1599. base64VLQ.decode(aStr, index, temp);
  1600. value = temp.value;
  1601. index = temp.rest;
  1602. segment.push(value);
  1603. }
  1604. if (segment.length === 2) {
  1605. throw new Error('Found a source, but no line and column');
  1606. }
  1607. if (segment.length === 3) {
  1608. throw new Error('Found a source and line, but no column');
  1609. }
  1610. cachedSegments[str] = segment;
  1611. }
  1612. // Generated column.
  1613. mapping.generatedColumn = previousGeneratedColumn + segment[0];
  1614. previousGeneratedColumn = mapping.generatedColumn;
  1615. if (segment.length > 1) {
  1616. // Original source.
  1617. mapping.source = previousSource + segment[1];
  1618. previousSource += segment[1];
  1619. // Original line.
  1620. mapping.originalLine = previousOriginalLine + segment[2];
  1621. previousOriginalLine = mapping.originalLine;
  1622. // Lines are stored 0-based
  1623. mapping.originalLine += 1;
  1624. // Original column.
  1625. mapping.originalColumn = previousOriginalColumn + segment[3];
  1626. previousOriginalColumn = mapping.originalColumn;
  1627. if (segment.length > 4) {
  1628. // Original name.
  1629. mapping.name = previousName + segment[4];
  1630. previousName += segment[4];
  1631. }
  1632. }
  1633. generatedMappings.push(mapping);
  1634. if (typeof mapping.originalLine === 'number') {
  1635. originalMappings.push(mapping);
  1636. }
  1637. }
  1638. }
  1639. quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated);
  1640. this.__generatedMappings = generatedMappings;
  1641. quickSort(originalMappings, util.compareByOriginalPositions);
  1642. this.__originalMappings = originalMappings;
  1643. };
  1644. /**
  1645. * Find the mapping that best matches the hypothetical "needle" mapping that
  1646. * we are searching for in the given "haystack" of mappings.
  1647. */
  1648. BasicSourceMapConsumer.prototype._findMapping =
  1649. function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
  1650. aColumnName, aComparator, aBias) {
  1651. // To return the position we are searching for, we must first find the
  1652. // mapping for the given position and then return the opposite position it
  1653. // points to. Because the mappings are sorted, we can use binary search to
  1654. // find the best mapping.
  1655. if (aNeedle[aLineName] <= 0) {
  1656. throw new TypeError('Line must be greater than or equal to 1, got '
  1657. + aNeedle[aLineName]);
  1658. }
  1659. if (aNeedle[aColumnName] < 0) {
  1660. throw new TypeError('Column must be greater than or equal to 0, got '
  1661. + aNeedle[aColumnName]);
  1662. }
  1663. return binarySearch.search(aNeedle, aMappings, aComparator, aBias);
  1664. };
  1665. /**
  1666. * Compute the last column for each generated mapping. The last column is
  1667. * inclusive.
  1668. */
  1669. BasicSourceMapConsumer.prototype.computeColumnSpans =
  1670. function SourceMapConsumer_computeColumnSpans() {
  1671. for (var index = 0; index < this._generatedMappings.length; ++index) {
  1672. var mapping = this._generatedMappings[index];
  1673. // Mappings do not contain a field for the last generated columnt. We
  1674. // can come up with an optimistic estimate, however, by assuming that
  1675. // mappings are contiguous (i.e. given two consecutive mappings, the
  1676. // first mapping ends where the second one starts).
  1677. if (index + 1 < this._generatedMappings.length) {
  1678. var nextMapping = this._generatedMappings[index + 1];
  1679. if (mapping.generatedLine === nextMapping.generatedLine) {
  1680. mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;
  1681. continue;
  1682. }
  1683. }
  1684. // The last mapping for each line spans the entire line.
  1685. mapping.lastGeneratedColumn = Infinity;
  1686. }
  1687. };
  1688. /**
  1689. * Returns the original source, line, and column information for the generated
  1690. * source's line and column positions provided. The only argument is an object
  1691. * with the following properties:
  1692. *
  1693. * - line: The line number in the generated source.
  1694. * - column: The column number in the generated source.
  1695. * - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
  1696. * 'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
  1697. * closest element that is smaller than or greater than the one we are
  1698. * searching for, respectively, if the exact element cannot be found.
  1699. * Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
  1700. *
  1701. * and an object is returned with the following properties:
  1702. *
  1703. * - source: The original source file, or null.
  1704. * - line: The line number in the original source, or null.
  1705. * - column: The column number in the original source, or null.
  1706. * - name: The original identifier, or null.
  1707. */
  1708. BasicSourceMapConsumer.prototype.originalPositionFor =
  1709. function SourceMapConsumer_originalPositionFor(aArgs) {
  1710. var needle = {
  1711. generatedLine: util.getArg(aArgs, 'line'),
  1712. generatedColumn: util.getArg(aArgs, 'column')
  1713. };
  1714. var index = this._findMapping(
  1715. needle,
  1716. this._generatedMappings,
  1717. "generatedLine",
  1718. "generatedColumn",
  1719. util.compareByGeneratedPositionsDeflated,
  1720. util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
  1721. );
  1722. if (index >= 0) {
  1723. var mapping = this._generatedMappings[index];
  1724. if (mapping.generatedLine === needle.generatedLine) {
  1725. var source = util.getArg(mapping, 'source', null);
  1726. if (source !== null) {
  1727. source = this._sources.at(source);
  1728. if (this.sourceRoot != null) {
  1729. source = util.join(this.sourceRoot, source);
  1730. }
  1731. }
  1732. var name = util.getArg(mapping, 'name', null);
  1733. if (name !== null) {
  1734. name = this._names.at(name);
  1735. }
  1736. return {
  1737. source: source,
  1738. line: util.getArg(mapping, 'originalLine', null),
  1739. column: util.getArg(mapping, 'originalColumn', null),
  1740. name: name
  1741. };
  1742. }
  1743. }
  1744. return {
  1745. source: null,
  1746. line: null,
  1747. column: null,
  1748. name: null
  1749. };
  1750. };
  1751. /**
  1752. * Return true if we have the source content for every source in the source
  1753. * map, false otherwise.
  1754. */
  1755. BasicSourceMapConsumer.prototype.hasContentsOfAllSources =
  1756. function BasicSourceMapConsumer_hasContentsOfAllSources() {
  1757. if (!this.sourcesContent) {
  1758. return false;
  1759. }
  1760. return this.sourcesContent.length >= this._sources.size() &&
  1761. !this.sourcesContent.some(function (sc) { return sc == null; });
  1762. };
  1763. /**
  1764. * Returns the original source content. The only argument is the url of the
  1765. * original source file. Returns null if no original source content is
  1766. * available.
  1767. */
  1768. BasicSourceMapConsumer.prototype.sourceContentFor =
  1769. function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
  1770. if (!this.sourcesContent) {
  1771. return null;
  1772. }
  1773. if (this.sourceRoot != null) {
  1774. aSource = util.relative(this.sourceRoot, aSource);
  1775. }
  1776. if (this._sources.has(aSource)) {
  1777. return this.sourcesContent[this._sources.indexOf(aSource)];
  1778. }
  1779. var url;
  1780. if (this.sourceRoot != null
  1781. && (url = util.urlParse(this.sourceRoot))) {
  1782. // XXX: file:// URIs and absolute paths lead to unexpected behavior for
  1783. // many users. We can help them out when they expect file:// URIs to
  1784. // behave like it would if they were running a local HTTP server. See
  1785. // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
  1786. var fileUriAbsPath = aSource.replace(/^file:\/\//, "");
  1787. if (url.scheme == "file"
  1788. && this._sources.has(fileUriAbsPath)) {
  1789. return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
  1790. }
  1791. if ((!url.path || url.path == "/")
  1792. && this._sources.has("/" + aSource)) {
  1793. return this.sourcesContent[this._sources.indexOf("/" + aSource)];
  1794. }
  1795. }
  1796. // This function is used recursively from
  1797. // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we
  1798. // don't want to throw if we can't find the source - we just want to
  1799. // return null, so we provide a flag to exit gracefully.
  1800. if (nullOnMissing) {
  1801. return null;
  1802. }
  1803. else {
  1804. throw new Error('"' + aSource + '" is not in the SourceMap.');
  1805. }
  1806. };
  1807. /**
  1808. * Returns the generated line and column information for the original source,
  1809. * line, and column positions provided. The only argument is an object with
  1810. * the following properties:
  1811. *
  1812. * - source: The filename of the original source.
  1813. * - line: The line number in the original source.
  1814. * - column: The column number in the original source.
  1815. * - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or
  1816. * 'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the
  1817. * closest element that is smaller than or greater than the one we are
  1818. * searching for, respectively, if the exact element cannot be found.
  1819. * Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'.
  1820. *
  1821. * and an object is returned with the following properties:
  1822. *
  1823. * - line: The line number in the generated source, or null.
  1824. * - column: The column number in the generated source, or null.
  1825. */
  1826. BasicSourceMapConsumer.prototype.generatedPositionFor =
  1827. function SourceMapConsumer_generatedPositionFor(aArgs) {
  1828. var source = util.getArg(aArgs, 'source');
  1829. if (this.sourceRoot != null) {
  1830. source = util.relative(this.sourceRoot, source);
  1831. }
  1832. if (!this._sources.has(source)) {
  1833. return {
  1834. line: null,
  1835. column: null,
  1836. lastColumn: null
  1837. };
  1838. }
  1839. source = this._sources.indexOf(source);
  1840. var needle = {
  1841. source: source,
  1842. originalLine: util.getArg(aArgs, 'line'),
  1843. originalColumn: util.getArg(aArgs, 'column')
  1844. };
  1845. var index = this._findMapping(
  1846. needle,
  1847. this._originalMappings,
  1848. "originalLine",
  1849. "originalColumn",
  1850. util.compareByOriginalPositions,
  1851. util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND)
  1852. );
  1853. if (index >= 0) {
  1854. var mapping = this._originalMappings[index];
  1855. if (mapping.source === needle.source) {
  1856. return {
  1857. line: util.getArg(mapping, 'generatedLine', null),
  1858. column: util.getArg(mapping, 'generatedColumn', null),
  1859. lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
  1860. };
  1861. }
  1862. }
  1863. return {
  1864. line: null,
  1865. column: null,
  1866. lastColumn: null
  1867. };
  1868. };
  1869. exports.BasicSourceMapConsumer = BasicSourceMapConsumer;
  1870. /**
  1871. * An IndexedSourceMapConsumer instance represents a parsed source map which
  1872. * we can query for information. It differs from BasicSourceMapConsumer in
  1873. * that it takes "indexed" source maps (i.e. ones with a "sections" field) as
  1874. * input.
  1875. *
  1876. * The only parameter is a raw source map (either as a JSON string, or already
  1877. * parsed to an object). According to the spec for indexed source maps, they
  1878. * have the following attributes:
  1879. *
  1880. * - version: Which version of the source map spec this map is following.
  1881. * - file: Optional. The generated file this source map is associated with.
  1882. * - sections: A list of section definitions.
  1883. *
  1884. * Each value under the "sections" field has two fields:
  1885. * - offset: The offset into the original specified at which this section
  1886. * begins to apply, defined as an object with a "line" and "column"
  1887. * field.
  1888. * - map: A source map definition. This source map could also be indexed,
  1889. * but doesn't have to be.
  1890. *
  1891. * Instead of the "map" field, it's also possible to have a "url" field
  1892. * specifying a URL to retrieve a source map from, but that's currently
  1893. * unsupported.
  1894. *
  1895. * Here's an example source map, taken from the source map spec[0], but
  1896. * modified to omit a section which uses the "url" field.
  1897. *
  1898. * {
  1899. * version : 3,
  1900. * file: "app.js",
  1901. * sections: [{
  1902. * offset: {line:100, column:10},
  1903. * map: {
  1904. * version : 3,
  1905. * file: "section.js",
  1906. * sources: ["foo.js", "bar.js"],
  1907. * names: ["src", "maps", "are", "fun"],
  1908. * mappings: "AAAA,E;;ABCDE;"
  1909. * }
  1910. * }],
  1911. * }
  1912. *
  1913. * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt
  1914. */
  1915. function IndexedSourceMapConsumer(aSourceMap) {
  1916. var sourceMap = aSourceMap;
  1917. if (typeof aSourceMap === 'string') {
  1918. sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
  1919. }
  1920. var version = util.getArg(sourceMap, 'version');
  1921. var sections = util.getArg(sourceMap, 'sections');
  1922. if (version != this._version) {
  1923. throw new Error('Unsupported version: ' + version);
  1924. }
  1925. this._sources = new ArraySet();
  1926. this._names = new ArraySet();
  1927. var lastOffset = {
  1928. line: -1,
  1929. column: 0
  1930. };
  1931. this._sections = sections.map(function (s) {
  1932. if (s.url) {
  1933. // The url field will require support for asynchronicity.
  1934. // See https://github.com/mozilla/source-map/issues/16
  1935. throw new Error('Support for url field in sections not implemented.');
  1936. }
  1937. var offset = util.getArg(s, 'offset');
  1938. var offsetLine = util.getArg(offset, 'line');
  1939. var offsetColumn = util.getArg(offset, 'column');
  1940. if (offsetLine < lastOffset.line ||
  1941. (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) {
  1942. throw new Error('Section offsets must be ordered and non-overlapping.');
  1943. }
  1944. lastOffset = offset;
  1945. return {
  1946. generatedOffset: {
  1947. // The offset fields are 0-based, but we use 1-based indices when
  1948. // encoding/decoding from VLQ.
  1949. generatedLine: offsetLine + 1,
  1950. generatedColumn: offsetColumn + 1
  1951. },
  1952. consumer: new SourceMapConsumer(util.getArg(s, 'map'))
  1953. }
  1954. });
  1955. }
  1956. IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
  1957. IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer;
  1958. /**
  1959. * The version of the source mapping spec that we are consuming.
  1960. */
  1961. IndexedSourceMapConsumer.prototype._version = 3;
  1962. /**
  1963. * The list of original sources.
  1964. */
  1965. Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', {
  1966. get: function () {
  1967. var sources = [];
  1968. for (var i = 0; i < this._sections.length; i++) {
  1969. for (var j = 0; j < this._sections[i].consumer.sources.length; j++) {
  1970. sources.push(this._sections[i].consumer.sources[j]);
  1971. }
  1972. }
  1973. return sources;
  1974. }
  1975. });
  1976. /**
  1977. * Returns the original source, line, and column information for the generated
  1978. * source's line and column positions provided. The only argument is an object
  1979. * with the following properties:
  1980. *
  1981. * - line: The line number in the generated source.
  1982. * - column: The column number in the generated source.
  1983. *
  1984. * and an object is returned with the following properties:
  1985. *
  1986. * - source: The original source file, or null.
  1987. * - line: The line number in the original source, or null.
  1988. * - column: The column number in the original source, or null.
  1989. * - name: The original identifier, or null.
  1990. */
  1991. IndexedSourceMapConsumer.prototype.originalPositionFor =
  1992. function IndexedSourceMapConsumer_originalPositionFor(aArgs) {
  1993. var needle = {
  1994. generatedLine: util.getArg(aArgs, 'line'),
  1995. generatedColumn: util.getArg(aArgs, 'column')
  1996. };
  1997. // Find the section containing the generated position we're trying to map
  1998. // to an original position.
  1999. var sectionIndex = binarySearch.search(needle, this._sections,
  2000. function(needle, section) {
  2001. var cmp = needle.generatedLine - section.generatedOffset.generatedLine;
  2002. if (cmp) {
  2003. return cmp;
  2004. }
  2005. return (needle.generatedColumn -
  2006. section.generatedOffset.generatedColumn);
  2007. });
  2008. var section = this._sections[sectionIndex];
  2009. if (!section) {
  2010. return {
  2011. source: null,
  2012. line: null,
  2013. column: null,
  2014. name: null
  2015. };
  2016. }
  2017. return section.consumer.originalPositionFor({
  2018. line: needle.generatedLine -
  2019. (section.generatedOffset.generatedLine - 1),
  2020. column: needle.generatedColumn -
  2021. (section.generatedOffset.generatedLine === needle.generatedLine
  2022. ? section.generatedOffset.generatedColumn - 1
  2023. : 0),
  2024. bias: aArgs.bias
  2025. });
  2026. };
  2027. /**
  2028. * Return true if we have the source content for every source in the source
  2029. * map, false otherwise.
  2030. */
  2031. IndexedSourceMapConsumer.prototype.hasContentsOfAllSources =
  2032. function IndexedSourceMapConsumer_hasContentsOfAllSources() {
  2033. return this._sections.every(function (s) {
  2034. return s.consumer.hasContentsOfAllSources();
  2035. });
  2036. };
  2037. /**
  2038. * Returns the original source content. The only argument is the url of the
  2039. * original source file. Returns null if no original source content is
  2040. * available.
  2041. */
  2042. IndexedSourceMapConsumer.prototype.sourceContentFor =
  2043. function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
  2044. for (var i = 0; i < this._sections.length; i++) {
  2045. var section = this._sections[i];
  2046. var content = section.consumer.sourceContentFor(aSource, true);
  2047. if (content) {
  2048. return content;
  2049. }
  2050. }
  2051. if (nullOnMissing) {
  2052. return null;
  2053. }
  2054. else {
  2055. throw new Error('"' + aSource + '" is not in the SourceMap.');
  2056. }
  2057. };
  2058. /**
  2059. * Returns the generated line and column information for the original source,
  2060. * line, and column positions provided. The only argument is an object with
  2061. * the following properties:
  2062. *
  2063. * - source: The filename of the original source.
  2064. * - line: The line number in the original source.
  2065. * - column: The column number in the original source.
  2066. *
  2067. * and an object is returned with the following properties:
  2068. *
  2069. * - line: The line number in the generated source, or null.
  2070. * - column: The column number in the generated source, or null.
  2071. */
  2072. IndexedSourceMapConsumer.prototype.generatedPositionFor =
  2073. function IndexedSourceMapConsumer_generatedPositionFor(aArgs) {
  2074. for (var i = 0; i < this._sections.length; i++) {
  2075. var section = this._sections[i];
  2076. // Only consider this section if the requested source is in the list of
  2077. // sources of the consumer.
  2078. if (section.consumer.sources.indexOf(util.getArg(aArgs, 'source')) === -1) {
  2079. continue;
  2080. }
  2081. var generatedPosition = section.consumer.generatedPositionFor(aArgs);
  2082. if (generatedPosition) {
  2083. var ret = {
  2084. line: generatedPosition.line +
  2085. (section.generatedOffset.generatedLine - 1),
  2086. column: generatedPosition.column +
  2087. (section.generatedOffset.generatedLine === generatedPosition.line
  2088. ? section.generatedOffset.generatedColumn - 1
  2089. : 0)
  2090. };
  2091. return ret;
  2092. }
  2093. }
  2094. return {
  2095. line: null,
  2096. column: null
  2097. };
  2098. };
  2099. /**
  2100. * Parse the mappings in a string in to a data structure which we can easily
  2101. * query (the ordered arrays in the `this.__generatedMappings` and
  2102. * `this.__originalMappings` properties).
  2103. */
  2104. IndexedSourceMapConsumer.prototype._parseMappings =
  2105. function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) {
  2106. this.__generatedMappings = [];
  2107. this.__originalMappings = [];
  2108. for (var i = 0; i < this._sections.length; i++) {
  2109. var section = this._sections[i];
  2110. var sectionMappings = section.consumer._generatedMappings;
  2111. for (var j = 0; j < sectionMappings.length; j++) {
  2112. var mapping = sectionMappings[j];
  2113. var source = section.consumer._sources.at(mapping.source);
  2114. if (section.consumer.sourceRoot !== null) {
  2115. source = util.join(section.consumer.sourceRoot, source);
  2116. }
  2117. this._sources.add(source);
  2118. source = this._sources.indexOf(source);
  2119. var name = section.consumer._names.at(mapping.name);
  2120. this._names.add(name);
  2121. name = this._names.indexOf(name);
  2122. // The mappings coming from the consumer for the section have
  2123. // generated positions relative to the start of the section, so we
  2124. // need to offset them to be relative to the start of the concatenated
  2125. // generated file.
  2126. var adjustedMapping = {
  2127. source: source,
  2128. generatedLine: mapping.generatedLine +
  2129. (section.generatedOffset.generatedLine - 1),
  2130. generatedColumn: mapping.generatedColumn +
  2131. (section.generatedOffset.generatedLine === mapping.generatedLine
  2132. ? section.generatedOffset.generatedColumn - 1
  2133. : 0),
  2134. originalLine: mapping.originalLine,
  2135. originalColumn: mapping.originalColumn,
  2136. name: name
  2137. };
  2138. this.__generatedMappings.push(adjustedMapping);
  2139. if (typeof adjustedMapping.originalLine === 'number') {
  2140. this.__originalMappings.push(adjustedMapping);
  2141. }
  2142. }
  2143. }
  2144. quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated);
  2145. quickSort(this.__originalMappings, util.compareByOriginalPositions);
  2146. };
  2147. exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer;
  2148. /***/ }),
  2149. /* 8 */
  2150. /***/ (function(module, exports) {
  2151. /* -*- Mode: js; js-indent-level: 2; -*- */
  2152. /*
  2153. * Copyright 2011 Mozilla Foundation and contributors
  2154. * Licensed under the New BSD license. See LICENSE or:
  2155. * http://opensource.org/licenses/BSD-3-Clause
  2156. */
  2157. exports.GREATEST_LOWER_BOUND = 1;
  2158. exports.LEAST_UPPER_BOUND = 2;
  2159. /**
  2160. * Recursive implementation of binary search.
  2161. *
  2162. * @param aLow Indices here and lower do not contain the needle.
  2163. * @param aHigh Indices here and higher do not contain the needle.
  2164. * @param aNeedle The element being searched for.
  2165. * @param aHaystack The non-empty array being searched.
  2166. * @param aCompare Function which takes two elements and returns -1, 0, or 1.
  2167. * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
  2168. * 'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
  2169. * closest element that is smaller than or greater than the one we are
  2170. * searching for, respectively, if the exact element cannot be found.
  2171. */
  2172. function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
  2173. // This function terminates when one of the following is true:
  2174. //
  2175. // 1. We find the exact element we are looking for.
  2176. //
  2177. // 2. We did not find the exact element, but we can return the index of
  2178. // the next-closest element.
  2179. //
  2180. // 3. We did not find the exact element, and there is no next-closest
  2181. // element than the one we are searching for, so we return -1.
  2182. var mid = Math.floor((aHigh - aLow) / 2) + aLow;
  2183. var cmp = aCompare(aNeedle, aHaystack[mid], true);
  2184. if (cmp === 0) {
  2185. // Found the element we are looking for.
  2186. return mid;
  2187. }
  2188. else if (cmp > 0) {
  2189. // Our needle is greater than aHaystack[mid].
  2190. if (aHigh - mid > 1) {
  2191. // The element is in the upper half.
  2192. return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias);
  2193. }
  2194. // The exact needle element was not found in this haystack. Determine if
  2195. // we are in termination case (3) or (2) and return the appropriate thing.
  2196. if (aBias == exports.LEAST_UPPER_BOUND) {
  2197. return aHigh < aHaystack.length ? aHigh : -1;
  2198. } else {
  2199. return mid;
  2200. }
  2201. }
  2202. else {
  2203. // Our needle is less than aHaystack[mid].
  2204. if (mid - aLow > 1) {
  2205. // The element is in the lower half.
  2206. return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
  2207. }
  2208. // we are in termination case (3) or (2) and return the appropriate thing.
  2209. if (aBias == exports.LEAST_UPPER_BOUND) {
  2210. return mid;
  2211. } else {
  2212. return aLow < 0 ? -1 : aLow;
  2213. }
  2214. }
  2215. }
  2216. /**
  2217. * This is an implementation of binary search which will always try and return
  2218. * the index of the closest element if there is no exact hit. This is because
  2219. * mappings between original and generated line/col pairs are single points,
  2220. * and there is an implicit region between each of them, so a miss just means
  2221. * that you aren't on the very start of a region.
  2222. *
  2223. * @param aNeedle The element you are looking for.
  2224. * @param aHaystack The array that is being searched.
  2225. * @param aCompare A function which takes the needle and an element in the
  2226. * array and returns -1, 0, or 1 depending on whether the needle is less
  2227. * than, equal to, or greater than the element, respectively.
  2228. * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or
  2229. * 'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the
  2230. * closest element that is smaller than or greater than the one we are
  2231. * searching for, respectively, if the exact element cannot be found.
  2232. * Defaults to 'binarySearch.GREATEST_LOWER_BOUND'.
  2233. */
  2234. exports.search = function search(aNeedle, aHaystack, aCompare, aBias) {
  2235. if (aHaystack.length === 0) {
  2236. return -1;
  2237. }
  2238. var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack,
  2239. aCompare, aBias || exports.GREATEST_LOWER_BOUND);
  2240. if (index < 0) {
  2241. return -1;
  2242. }
  2243. // We have found either the exact element, or the next-closest element than
  2244. // the one we are searching for. However, there may be more than one such
  2245. // element. Make sure we always return the smallest of these.
  2246. while (index - 1 >= 0) {
  2247. if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) {
  2248. break;
  2249. }
  2250. --index;
  2251. }
  2252. return index;
  2253. };
  2254. /***/ }),
  2255. /* 9 */
  2256. /***/ (function(module, exports) {
  2257. /* -*- Mode: js; js-indent-level: 2; -*- */
  2258. /*
  2259. * Copyright 2011 Mozilla Foundation and contributors
  2260. * Licensed under the New BSD license. See LICENSE or:
  2261. * http://opensource.org/licenses/BSD-3-Clause
  2262. */
  2263. // It turns out that some (most?) JavaScript engines don't self-host
  2264. // `Array.prototype.sort`. This makes sense because C++ will likely remain
  2265. // faster than JS when doing raw CPU-intensive sorting. However, when using a
  2266. // custom comparator function, calling back and forth between the VM's C++ and
  2267. // JIT'd JS is rather slow *and* loses JIT type information, resulting in
  2268. // worse generated code for the comparator function than would be optimal. In
  2269. // fact, when sorting with a comparator, these costs outweigh the benefits of
  2270. // sorting in C++. By using our own JS-implemented Quick Sort (below), we get
  2271. // a ~3500ms mean speed-up in `bench/bench.html`.
  2272. /**
  2273. * Swap the elements indexed by `x` and `y` in the array `ary`.
  2274. *
  2275. * @param {Array} ary
  2276. * The array.
  2277. * @param {Number} x
  2278. * The index of the first item.
  2279. * @param {Number} y
  2280. * The index of the second item.
  2281. */
  2282. function swap(ary, x, y) {
  2283. var temp = ary[x];
  2284. ary[x] = ary[y];
  2285. ary[y] = temp;
  2286. }
  2287. /**
  2288. * Returns a random integer within the range `low .. high` inclusive.
  2289. *
  2290. * @param {Number} low
  2291. * The lower bound on the range.
  2292. * @param {Number} high
  2293. * The upper bound on the range.
  2294. */
  2295. function randomIntInRange(low, high) {
  2296. return Math.round(low + (Math.random() * (high - low)));
  2297. }
  2298. /**
  2299. * The Quick Sort algorithm.
  2300. *
  2301. * @param {Array} ary
  2302. * An array to sort.
  2303. * @param {function} comparator
  2304. * Function to use to compare two items.
  2305. * @param {Number} p
  2306. * Start index of the array
  2307. * @param {Number} r
  2308. * End index of the array
  2309. */
  2310. function doQuickSort(ary, comparator, p, r) {
  2311. // If our lower bound is less than our upper bound, we (1) partition the
  2312. // array into two pieces and (2) recurse on each half. If it is not, this is
  2313. // the empty array and our base case.
  2314. if (p < r) {
  2315. // (1) Partitioning.
  2316. //
  2317. // The partitioning chooses a pivot between `p` and `r` and moves all
  2318. // elements that are less than or equal to the pivot to the before it, and
  2319. // all the elements that are greater than it after it. The effect is that
  2320. // once partition is done, the pivot is in the exact place it will be when
  2321. // the array is put in sorted order, and it will not need to be moved
  2322. // again. This runs in O(n) time.
  2323. // Always choose a random pivot so that an input array which is reverse
  2324. // sorted does not cause O(n^2) running time.
  2325. var pivotIndex = randomIntInRange(p, r);
  2326. var i = p - 1;
  2327. swap(ary, pivotIndex, r);
  2328. var pivot = ary[r];
  2329. // Immediately after `j` is incremented in this loop, the following hold
  2330. // true:
  2331. //
  2332. // * Every element in `ary[p .. i]` is less than or equal to the pivot.
  2333. //
  2334. // * Every element in `ary[i+1 .. j-1]` is greater than the pivot.
  2335. for (var j = p; j < r; j++) {
  2336. if (comparator(ary[j], pivot) <= 0) {
  2337. i += 1;
  2338. swap(ary, i, j);
  2339. }
  2340. }
  2341. swap(ary, i + 1, j);
  2342. var q = i + 1;
  2343. // (2) Recurse on each half.
  2344. doQuickSort(ary, comparator, p, q - 1);
  2345. doQuickSort(ary, comparator, q + 1, r);
  2346. }
  2347. }
  2348. /**
  2349. * Sort the given array in-place with the given comparator function.
  2350. *
  2351. * @param {Array} ary
  2352. * An array to sort.
  2353. * @param {function} comparator
  2354. * Function to use to compare two items.
  2355. */
  2356. exports.quickSort = function (ary, comparator) {
  2357. doQuickSort(ary, comparator, 0, ary.length - 1);
  2358. };
  2359. /***/ }),
  2360. /* 10 */
  2361. /***/ (function(module, exports, __webpack_require__) {
  2362. /* -*- Mode: js; js-indent-level: 2; -*- */
  2363. /*
  2364. * Copyright 2011 Mozilla Foundation and contributors
  2365. * Licensed under the New BSD license. See LICENSE or:
  2366. * http://opensource.org/licenses/BSD-3-Clause
  2367. */
  2368. var SourceMapGenerator = __webpack_require__(1).SourceMapGenerator;
  2369. var util = __webpack_require__(4);
  2370. // Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
  2371. // operating systems these days (capturing the result).
  2372. var REGEX_NEWLINE = /(\r?\n)/;
  2373. // Newline character code for charCodeAt() comparisons
  2374. var NEWLINE_CODE = 10;
  2375. // Private symbol for identifying `SourceNode`s when multiple versions of
  2376. // the source-map library are loaded. This MUST NOT CHANGE across
  2377. // versions!
  2378. var isSourceNode = "$$$isSourceNode$$$";
  2379. /**
  2380. * SourceNodes provide a way to abstract over interpolating/concatenating
  2381. * snippets of generated JavaScript source code while maintaining the line and
  2382. * column information associated with the original source code.
  2383. *
  2384. * @param aLine The original line number.
  2385. * @param aColumn The original column number.
  2386. * @param aSource The original source's filename.
  2387. * @param aChunks Optional. An array of strings which are snippets of
  2388. * generated JS, or other SourceNodes.
  2389. * @param aName The original identifier.
  2390. */
  2391. function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
  2392. this.children = [];
  2393. this.sourceContents = {};
  2394. this.line = aLine == null ? null : aLine;
  2395. this.column = aColumn == null ? null : aColumn;
  2396. this.source = aSource == null ? null : aSource;
  2397. this.name = aName == null ? null : aName;
  2398. this[isSourceNode] = true;
  2399. if (aChunks != null) this.add(aChunks);
  2400. }
  2401. /**
  2402. * Creates a SourceNode from generated code and a SourceMapConsumer.
  2403. *
  2404. * @param aGeneratedCode The generated code
  2405. * @param aSourceMapConsumer The SourceMap for the generated code
  2406. * @param aRelativePath Optional. The path that relative sources in the
  2407. * SourceMapConsumer should be relative to.
  2408. */
  2409. SourceNode.fromStringWithSourceMap =
  2410. function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
  2411. // The SourceNode we want to fill with the generated code
  2412. // and the SourceMap
  2413. var node = new SourceNode();
  2414. // All even indices of this array are one line of the generated code,
  2415. // while all odd indices are the newlines between two adjacent lines
  2416. // (since `REGEX_NEWLINE` captures its match).
  2417. // Processed fragments are accessed by calling `shiftNextLine`.
  2418. var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
  2419. var remainingLinesIndex = 0;
  2420. var shiftNextLine = function() {
  2421. var lineContents = getNextLine();
  2422. // The last line of a file might not have a newline.
  2423. var newLine = getNextLine() || "";
  2424. return lineContents + newLine;
  2425. function getNextLine() {
  2426. return remainingLinesIndex < remainingLines.length ?
  2427. remainingLines[remainingLinesIndex++] : undefined;
  2428. }
  2429. };
  2430. // We need to remember the position of "remainingLines"
  2431. var lastGeneratedLine = 1, lastGeneratedColumn = 0;
  2432. // The generate SourceNodes we need a code range.
  2433. // To extract it current and last mapping is used.
  2434. // Here we store the last mapping.
  2435. var lastMapping = null;
  2436. aSourceMapConsumer.eachMapping(function (mapping) {
  2437. if (lastMapping !== null) {
  2438. // We add the code from "lastMapping" to "mapping":
  2439. // First check if there is a new line in between.
  2440. if (lastGeneratedLine < mapping.generatedLine) {
  2441. // Associate first line with "lastMapping"
  2442. addMappingWithCode(lastMapping, shiftNextLine());
  2443. lastGeneratedLine++;
  2444. lastGeneratedColumn = 0;
  2445. // The remaining code is added without mapping
  2446. } else {
  2447. // There is no new line in between.
  2448. // Associate the code between "lastGeneratedColumn" and
  2449. // "mapping.generatedColumn" with "lastMapping"
  2450. var nextLine = remainingLines[remainingLinesIndex];
  2451. var code = nextLine.substr(0, mapping.generatedColumn -
  2452. lastGeneratedColumn);
  2453. remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn -
  2454. lastGeneratedColumn);
  2455. lastGeneratedColumn = mapping.generatedColumn;
  2456. addMappingWithCode(lastMapping, code);
  2457. // No more remaining code, continue
  2458. lastMapping = mapping;
  2459. return;
  2460. }
  2461. }
  2462. // We add the generated code until the first mapping
  2463. // to the SourceNode without any mapping.
  2464. // Each line is added as separate string.
  2465. while (lastGeneratedLine < mapping.generatedLine) {
  2466. node.add(shiftNextLine());
  2467. lastGeneratedLine++;
  2468. }
  2469. if (lastGeneratedColumn < mapping.generatedColumn) {
  2470. var nextLine = remainingLines[remainingLinesIndex];
  2471. node.add(nextLine.substr(0, mapping.generatedColumn));
  2472. remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn);
  2473. lastGeneratedColumn = mapping.generatedColumn;
  2474. }
  2475. lastMapping = mapping;
  2476. }, this);
  2477. // We have processed all mappings.
  2478. if (remainingLinesIndex < remainingLines.length) {
  2479. if (lastMapping) {
  2480. // Associate the remaining code in the current line with "lastMapping"
  2481. addMappingWithCode(lastMapping, shiftNextLine());
  2482. }
  2483. // and add the remaining lines without any mapping
  2484. node.add(remainingLines.splice(remainingLinesIndex).join(""));
  2485. }
  2486. // Copy sourcesContent into SourceNode
  2487. aSourceMapConsumer.sources.forEach(function (sourceFile) {
  2488. var content = aSourceMapConsumer.sourceContentFor(sourceFile);
  2489. if (content != null) {
  2490. if (aRelativePath != null) {
  2491. sourceFile = util.join(aRelativePath, sourceFile);
  2492. }
  2493. node.setSourceContent(sourceFile, content);
  2494. }
  2495. });
  2496. return node;
  2497. function addMappingWithCode(mapping, code) {
  2498. if (mapping === null || mapping.source === undefined) {
  2499. node.add(code);
  2500. } else {
  2501. var source = aRelativePath
  2502. ? util.join(aRelativePath, mapping.source)
  2503. : mapping.source;
  2504. node.add(new SourceNode(mapping.originalLine,
  2505. mapping.originalColumn,
  2506. source,
  2507. code,
  2508. mapping.name));
  2509. }
  2510. }
  2511. };
  2512. /**
  2513. * Add a chunk of generated JS to this source node.
  2514. *
  2515. * @param aChunk A string snippet of generated JS code, another instance of
  2516. * SourceNode, or an array where each member is one of those things.
  2517. */
  2518. SourceNode.prototype.add = function SourceNode_add(aChunk) {
  2519. if (Array.isArray(aChunk)) {
  2520. aChunk.forEach(function (chunk) {
  2521. this.add(chunk);
  2522. }, this);
  2523. }
  2524. else if (aChunk[isSourceNode] || typeof aChunk === "string") {
  2525. if (aChunk) {
  2526. this.children.push(aChunk);
  2527. }
  2528. }
  2529. else {
  2530. throw new TypeError(
  2531. "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
  2532. );
  2533. }
  2534. return this;
  2535. };
  2536. /**
  2537. * Add a chunk of generated JS to the beginning of this source node.
  2538. *
  2539. * @param aChunk A string snippet of generated JS code, another instance of
  2540. * SourceNode, or an array where each member is one of those things.
  2541. */
  2542. SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
  2543. if (Array.isArray(aChunk)) {
  2544. for (var i = aChunk.length-1; i >= 0; i--) {
  2545. this.prepend(aChunk[i]);
  2546. }
  2547. }
  2548. else if (aChunk[isSourceNode] || typeof aChunk === "string") {
  2549. this.children.unshift(aChunk);
  2550. }
  2551. else {
  2552. throw new TypeError(
  2553. "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
  2554. );
  2555. }
  2556. return this;
  2557. };
  2558. /**
  2559. * Walk over the tree of JS snippets in this node and its children. The
  2560. * walking function is called once for each snippet of JS and is passed that
  2561. * snippet and the its original associated source's line/column location.
  2562. *
  2563. * @param aFn The traversal function.
  2564. */
  2565. SourceNode.prototype.walk = function SourceNode_walk(aFn) {
  2566. var chunk;
  2567. for (var i = 0, len = this.children.length; i < len; i++) {
  2568. chunk = this.children[i];
  2569. if (chunk[isSourceNode]) {
  2570. chunk.walk(aFn);
  2571. }
  2572. else {
  2573. if (chunk !== '') {
  2574. aFn(chunk, { source: this.source,
  2575. line: this.line,
  2576. column: this.column,
  2577. name: this.name });
  2578. }
  2579. }
  2580. }
  2581. };
  2582. /**
  2583. * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
  2584. * each of `this.children`.
  2585. *
  2586. * @param aSep The separator.
  2587. */
  2588. SourceNode.prototype.join = function SourceNode_join(aSep) {
  2589. var newChildren;
  2590. var i;
  2591. var len = this.children.length;
  2592. if (len > 0) {
  2593. newChildren = [];
  2594. for (i = 0; i < len-1; i++) {
  2595. newChildren.push(this.children[i]);
  2596. newChildren.push(aSep);
  2597. }
  2598. newChildren.push(this.children[i]);
  2599. this.children = newChildren;
  2600. }
  2601. return this;
  2602. };
  2603. /**
  2604. * Call String.prototype.replace on the very right-most source snippet. Useful
  2605. * for trimming whitespace from the end of a source node, etc.
  2606. *
  2607. * @param aPattern The pattern to replace.
  2608. * @param aReplacement The thing to replace the pattern with.
  2609. */
  2610. SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
  2611. var lastChild = this.children[this.children.length - 1];
  2612. if (lastChild[isSourceNode]) {
  2613. lastChild.replaceRight(aPattern, aReplacement);
  2614. }
  2615. else if (typeof lastChild === 'string') {
  2616. this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
  2617. }
  2618. else {
  2619. this.children.push(''.replace(aPattern, aReplacement));
  2620. }
  2621. return this;
  2622. };
  2623. /**
  2624. * Set the source content for a source file. This will be added to the SourceMapGenerator
  2625. * in the sourcesContent field.
  2626. *
  2627. * @param aSourceFile The filename of the source file
  2628. * @param aSourceContent The content of the source file
  2629. */
  2630. SourceNode.prototype.setSourceContent =
  2631. function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
  2632. this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
  2633. };
  2634. /**
  2635. * Walk over the tree of SourceNodes. The walking function is called for each
  2636. * source file content and is passed the filename and source content.
  2637. *
  2638. * @param aFn The traversal function.
  2639. */
  2640. SourceNode.prototype.walkSourceContents =
  2641. function SourceNode_walkSourceContents(aFn) {
  2642. for (var i = 0, len = this.children.length; i < len; i++) {
  2643. if (this.children[i][isSourceNode]) {
  2644. this.children[i].walkSourceContents(aFn);
  2645. }
  2646. }
  2647. var sources = Object.keys(this.sourceContents);
  2648. for (var i = 0, len = sources.length; i < len; i++) {
  2649. aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
  2650. }
  2651. };
  2652. /**
  2653. * Return the string representation of this source node. Walks over the tree
  2654. * and concatenates all the various snippets together to one string.
  2655. */
  2656. SourceNode.prototype.toString = function SourceNode_toString() {
  2657. var str = "";
  2658. this.walk(function (chunk) {
  2659. str += chunk;
  2660. });
  2661. return str;
  2662. };
  2663. /**
  2664. * Returns the string representation of this source node along with a source
  2665. * map.
  2666. */
  2667. SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
  2668. var generated = {
  2669. code: "",
  2670. line: 1,
  2671. column: 0
  2672. };
  2673. var map = new SourceMapGenerator(aArgs);
  2674. var sourceMappingActive = false;
  2675. var lastOriginalSource = null;
  2676. var lastOriginalLine = null;
  2677. var lastOriginalColumn = null;
  2678. var lastOriginalName = null;
  2679. this.walk(function (chunk, original) {
  2680. generated.code += chunk;
  2681. if (original.source !== null
  2682. && original.line !== null
  2683. && original.column !== null) {
  2684. if(lastOriginalSource !== original.source
  2685. || lastOriginalLine !== original.line
  2686. || lastOriginalColumn !== original.column
  2687. || lastOriginalName !== original.name) {
  2688. map.addMapping({
  2689. source: original.source,
  2690. original: {
  2691. line: original.line,
  2692. column: original.column
  2693. },
  2694. generated: {
  2695. line: generated.line,
  2696. column: generated.column
  2697. },
  2698. name: original.name
  2699. });
  2700. }
  2701. lastOriginalSource = original.source;
  2702. lastOriginalLine = original.line;
  2703. lastOriginalColumn = original.column;
  2704. lastOriginalName = original.name;
  2705. sourceMappingActive = true;
  2706. } else if (sourceMappingActive) {
  2707. map.addMapping({
  2708. generated: {
  2709. line: generated.line,
  2710. column: generated.column
  2711. }
  2712. });
  2713. lastOriginalSource = null;
  2714. sourceMappingActive = false;
  2715. }
  2716. for (var idx = 0, length = chunk.length; idx < length; idx++) {
  2717. if (chunk.charCodeAt(idx) === NEWLINE_CODE) {
  2718. generated.line++;
  2719. generated.column = 0;
  2720. // Mappings end at eol
  2721. if (idx + 1 === length) {
  2722. lastOriginalSource = null;
  2723. sourceMappingActive = false;
  2724. } else if (sourceMappingActive) {
  2725. map.addMapping({
  2726. source: original.source,
  2727. original: {
  2728. line: original.line,
  2729. column: original.column
  2730. },
  2731. generated: {
  2732. line: generated.line,
  2733. column: generated.column
  2734. },
  2735. name: original.name
  2736. });
  2737. }
  2738. } else {
  2739. generated.column++;
  2740. }
  2741. }
  2742. });
  2743. this.walkSourceContents(function (sourceFile, sourceContent) {
  2744. map.setSourceContent(sourceFile, sourceContent);
  2745. });
  2746. return { code: generated.code, map: map };
  2747. };
  2748. exports.SourceNode = SourceNode;
  2749. /***/ })
  2750. /******/ ])
  2751. });
  2752. ;
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__webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap e4738fc72a7b23039889","/*\n * Copyright 2009-2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE.txt or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\nexports.SourceMapGenerator = require('./lib/source-map-generator').SourceMapGenerator;\nexports.SourceMapConsumer = require('./lib/source-map-consumer').SourceMapConsumer;\nexports.SourceNode = require('./lib/source-node').SourceNode;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./source-map.js\n// module id = 0\n// module chunks = 0","/* -*- 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 base64VLQ = require('./base64-vlq');\nvar util = require('./util');\nvar ArraySet = require('./array-set').ArraySet;\nvar MappingList = require('./mapping-list').MappingList;\n\n/**\n * An instance of the SourceMapGenerator represents a source map which is\n * being built incrementally. You may pass an object with the following\n * properties:\n *\n *   - file: The filename of the generated source.\n *   - sourceRoot: A root for all relative URLs in this source map.\n */\nfunction SourceMapGenerator(aArgs) {\n  if (!aArgs) {\n    aArgs = {};\n  }\n  this._file = util.getArg(aArgs, 'file', null);\n  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);\n  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);\n  this._sources = new ArraySet();\n  this._names = new ArraySet();\n  this._mappings = new MappingList();\n  this._sourcesContents = null;\n}\n\nSourceMapGenerator.prototype._version = 3;\n\n/**\n * Creates a new SourceMapGenerator based on a SourceMapConsumer\n *\n * @param aSourceMapConsumer The SourceMap.\n */\nSourceMapGenerator.fromSourceMap =\n  function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {\n    var sourceRoot = aSourceMapConsumer.sourceRoot;\n    var generator = new SourceMapGenerator({\n      file: aSourceMapConsumer.file,\n      sourceRoot: sourceRoot\n    });\n    aSourceMapConsumer.eachMapping(function (mapping) {\n      var newMapping = {\n        generated: {\n          line: mapping.generatedLine,\n          column: mapping.generatedColumn\n        }\n      };\n\n      if (mapping.source != null) {\n        newMapping.source = mapping.source;\n        if (sourceRoot != null) {\n          newMapping.source = util.relative(sourceRoot, newMapping.source);\n        }\n\n        newMapping.original = {\n          line: mapping.originalLine,\n          column: mapping.originalColumn\n        };\n\n        if (mapping.name != null) {\n          newMapping.name = mapping.name;\n        }\n      }\n\n      generator.addMapping(newMapping);\n    });\n    aSourceMapConsumer.sources.forEach(function (sourceFile) {\n      var content = aSourceMapConsumer.sourceContentFor(sourceFile);\n      if (content != null) {\n        generator.setSourceContent(sourceFile, content);\n      }\n    });\n    return generator;\n  };\n\n/**\n * Add a single mapping from original source line and column to the generated\n * source's line and column for this source map being created. The mapping\n * object should have the following properties:\n *\n *   - generated: An object with the generated line and column positions.\n *   - original: An object with the original line and column positions.\n *   - source: The original source file (relative to the sourceRoot).\n *   - name: An optional original token name for this mapping.\n */\nSourceMapGenerator.prototype.addMapping =\n  function SourceMapGenerator_addMapping(aArgs) {\n    var generated = util.getArg(aArgs, 'generated');\n    var original = util.getArg(aArgs, 'original', null);\n    var source = util.getArg(aArgs, 'source', null);\n    var name = util.getArg(aArgs, 'name', null);\n\n    if (!this._skipValidation) {\n      this._validateMapping(generated, original, source, name);\n    }\n\n    if (source != null) {\n      source = String(source);\n      if (!this._sources.has(source)) {\n        this._sources.add(source);\n      }\n    }\n\n    if (name != null) {\n      name = String(name);\n      if (!this._names.has(name)) {\n        this._names.add(name);\n      }\n    }\n\n    this._mappings.add({\n      generatedLine: generated.line,\n      generatedColumn: generated.column,\n      originalLine: original != null && original.line,\n      originalColumn: original != null && original.column,\n      source: source,\n      name: name\n    });\n  };\n\n/**\n * Set the source content for a source file.\n */\nSourceMapGenerator.prototype.setSourceContent =\n  function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {\n    var source = aSourceFile;\n    if (this._sourceRoot != null) {\n      source = util.relative(this._sourceRoot, source);\n    }\n\n    if (aSourceContent != null) {\n      // Add the source content to the _sourcesContents map.\n      // Create a new _sourcesContents map if the property is null.\n      if (!this._sourcesContents) {\n        this._sourcesContents = Object.create(null);\n      }\n      this._sourcesContents[util.toSetString(source)] = aSourceContent;\n    } else if (this._sourcesContents) {\n      // Remove the source file from the _sourcesContents map.\n      // If the _sourcesContents map is empty, set the property to null.\n      delete this._sourcesContents[util.toSetString(source)];\n      if (Object.keys(this._sourcesContents).length === 0) {\n        this._sourcesContents = null;\n      }\n    }\n  };\n\n/**\n * Applies the mappings of a sub-source-map for a specific source file to the\n * source map being generated. Each mapping to the supplied source file is\n * rewritten using the supplied source map. Note: The resolution for the\n * resulting mappings is the minimium of this map and the supplied map.\n *\n * @param aSourceMapConsumer The source map to be applied.\n * @param aSourceFile Optional. The filename of the source file.\n *        If omitted, SourceMapConsumer's file property will be used.\n * @param aSourceMapPath Optional. The dirname of the path to the source map\n *        to be applied. If relative, it is relative to the SourceMapConsumer.\n *        This parameter is needed when the two source maps aren't in the same\n *        directory, and the source map to be applied contains relative source\n *        paths. If so, those relative source paths need to be rewritten\n *        relative to the SourceMapGenerator.\n */\nSourceMapGenerator.prototype.applySourceMap =\n  function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {\n    var sourceFile = aSourceFile;\n    // If aSourceFile is omitted, we will use the file property of the SourceMap\n    if (aSourceFile == null) {\n      if (aSourceMapConsumer.file == null) {\n        throw new Error(\n          'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +\n          'or the source map\\'s \"file\" property. Both were omitted.'\n        );\n      }\n      sourceFile = aSourceMapConsumer.file;\n    }\n    var sourceRoot = this._sourceRoot;\n    // Make \"sourceFile\" relative if an absolute Url is passed.\n    if (sourceRoot != null) {\n      sourceFile = util.relative(sourceRoot, sourceFile);\n    }\n    // Applying the SourceMap can add and remove items from the sources and\n    // the names array.\n    var newSources = new ArraySet();\n    var newNames = new ArraySet();\n\n    // Find mappings for the \"sourceFile\"\n    this._mappings.unsortedForEach(function (mapping) {\n      if (mapping.source === sourceFile && mapping.originalLine != null) {\n        // Check if it can be mapped by the source map, then update the mapping.\n        var original = aSourceMapConsumer.originalPositionFor({\n          line: mapping.originalLine,\n          column: mapping.originalColumn\n        });\n        if (original.source != null) {\n          // Copy mapping\n          mapping.source = original.source;\n          if (aSourceMapPath != null) {\n            mapping.source = util.join(aSourceMapPath, mapping.source)\n          }\n          if (sourceRoot != null) {\n            mapping.source = util.relative(sourceRoot, mapping.source);\n          }\n          mapping.originalLine = original.line;\n          mapping.originalColumn = original.column;\n          if (original.name != null) {\n            mapping.name = original.name;\n          }\n        }\n      }\n\n      var source = mapping.source;\n      if (source != null && !newSources.has(source)) {\n        newSources.add(source);\n      }\n\n      var name = mapping.name;\n      if (name != null && !newNames.has(name)) {\n        newNames.add(name);\n      }\n\n    }, this);\n    this._sources = newSources;\n    this._names = newNames;\n\n    // Copy sourcesContents of applied map.\n    aSourceMapConsumer.sources.forEach(function (sourceFile) {\n      var content = aSourceMapConsumer.sourceContentFor(sourceFile);\n      if (content != null) {\n        if (aSourceMapPath != null) {\n          sourceFile = util.join(aSourceMapPath, sourceFile);\n        }\n        if (sourceRoot != null) {\n          sourceFile = util.relative(sourceRoot, sourceFile);\n        }\n        this.setSourceContent(sourceFile, content);\n      }\n    }, this);\n  };\n\n/**\n * A mapping can have one of the three levels of data:\n *\n *   1. Just the generated position.\n *   2. The Generated position, original position, and original source.\n *   3. Generated and original position, original source, as well as a name\n *      token.\n *\n * To maintain consistency, we validate that any new mapping being added falls\n * in to one of these categories.\n */\nSourceMapGenerator.prototype._validateMapping =\n  function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,\n                                              aName) {\n    // When aOriginal is truthy but has empty values for .line and .column,\n    // it is most likely a programmer error. In this case we throw a very\n    // specific error message to try to guide them the right way.\n    // For example: https://github.com/Polymer/polymer-bundler/pull/519\n    if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') {\n        throw new Error(\n            'original.line and original.column are not numbers -- you probably meant to omit ' +\n            'the original mapping entirely and only map the generated position. If so, pass ' +\n            'null for the original mapping instead of an object with empty or null values.'\n        );\n    }\n\n    if (aGenerated && 'line' in aGenerated && 'column' in aGenerated\n        && aGenerated.line > 0 && aGenerated.column >= 0\n        && !aOriginal && !aSource && !aName) {\n      // Case 1.\n      return;\n    }\n    else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated\n             && aOriginal && 'line' in aOriginal && 'column' in aOriginal\n             && aGenerated.line > 0 && aGenerated.column >= 0\n             && aOriginal.line > 0 && aOriginal.column >= 0\n             && aSource) {\n      // Cases 2 and 3.\n      return;\n    }\n    else {\n      throw new Error('Invalid mapping: ' + JSON.stringify({\n        generated: aGenerated,\n        source: aSource,\n        original: aOriginal,\n        name: aName\n      }));\n    }\n  };\n\n/**\n * Serialize the accumulated mappings in to the stream of base 64 VLQs\n * specified by the source map format.\n */\nSourceMapGenerator.prototype._serializeMappings =\n  function SourceMapGenerator_serializeMappings() {\n    var previousGeneratedColumn = 0;\n    var previousGeneratedLine = 1;\n    var previousOriginalColumn = 0;\n    var previousOriginalLine = 0;\n    var previousName = 0;\n    var previousSource = 0;\n    var result = '';\n    var next;\n    var mapping;\n    var nameIdx;\n    var sourceIdx;\n\n    var mappings = this._mappings.toArray();\n    for (var i = 0, len = mappings.length; i < len; i++) {\n      mapping = mappings[i];\n      next = ''\n\n      if (mapping.generatedLine !== previousGeneratedLine) {\n        previousGeneratedColumn = 0;\n        while (mapping.generatedLine !== previousGeneratedLine) {\n          next += ';';\n          previousGeneratedLine++;\n        }\n      }\n      else {\n        if (i > 0) {\n          if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) {\n            continue;\n          }\n          next += ',';\n        }\n      }\n\n      next += base64VLQ.encode(mapping.generatedColumn\n                                 - previousGeneratedColumn);\n      previousGeneratedColumn = mapping.generatedColumn;\n\n      if (mapping.source != null) {\n        sourceIdx = this._sources.indexOf(mapping.source);\n        next += base64VLQ.encode(sourceIdx - previousSource);\n        previousSource = sourceIdx;\n\n        // lines are stored 0-based in SourceMap spec version 3\n        next += base64VLQ.encode(mapping.originalLine - 1\n                                   - previousOriginalLine);\n        previousOriginalLine = mapping.originalLine - 1;\n\n        next += base64VLQ.encode(mapping.originalColumn\n                                   - previousOriginalColumn);\n        previousOriginalColumn = mapping.originalColumn;\n\n        if (mapping.name != null) {\n          nameIdx = this._names.indexOf(mapping.name);\n          next += base64VLQ.encode(nameIdx - previousName);\n          previousName = nameIdx;\n        }\n      }\n\n      result += next;\n    }\n\n    return result;\n  };\n\nSourceMapGenerator.prototype._generateSourcesContent =\n  function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {\n    return aSources.map(function (source) {\n      if (!this._sourcesContents) {\n        return null;\n      }\n      if (aSourceRoot != null) {\n        source = util.relative(aSourceRoot, source);\n      }\n      var key = util.toSetString(source);\n      return Object.prototype.hasOwnProperty.call(this._sourcesContents, key)\n        ? this._sourcesContents[key]\n        : null;\n    }, this);\n  };\n\n/**\n * Externalize the source map.\n */\nSourceMapGenerator.prototype.toJSON =\n  function SourceMapGenerator_toJSON() {\n    var map = {\n      version: this._version,\n      sources: this._sources.toArray(),\n      names: this._names.toArray(),\n      mappings: this._serializeMappings()\n    };\n    if (this._file != null) {\n      map.file = this._file;\n    }\n    if (this._sourceRoot != null) {\n      map.sourceRoot = this._sourceRoot;\n    }\n    if (this._sourcesContents) {\n      map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);\n    }\n\n    return map;\n  };\n\n/**\n * Render the source map being generated to a string.\n */\nSourceMapGenerator.prototype.toString =\n  function SourceMapGenerator_toString() {\n    return JSON.stringify(this.toJSON());\n  };\n\nexports.SourceMapGenerator = SourceMapGenerator;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./lib/source-map-generator.js\n// module id = 1\n// module chunks = 0","/* -*- 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\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./lib/base64-vlq.js\n// module id = 2\n// module chunks = 0","/* -*- 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\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./lib/base64.js\n// module id = 3\n// module chunks = 0","/* -*- 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\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./lib/util.js\n// module id = 4\n// module chunks = 0","/* -*- 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;\nvar hasNativeMap = typeof Map !== \"undefined\";\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 = hasNativeMap ? new Map() : 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 hasNativeMap ? this._set.size : 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 = hasNativeMap ? aStr : util.toSetString(aStr);\n  var isDuplicate = hasNativeMap ? this.has(aStr) : 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    if (hasNativeMap) {\n      this._set.set(aStr, idx);\n    } else {\n      this._set[sStr] = idx;\n    }\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  if (hasNativeMap) {\n    return this._set.has(aStr);\n  } else {\n    var sStr = util.toSetString(aStr);\n    return has.call(this._set, sStr);\n  }\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  if (hasNativeMap) {\n    var idx = this._set.get(aStr);\n    if (idx >= 0) {\n        return idx;\n    }\n  } else {\n    var sStr = util.toSetString(aStr);\n    if (has.call(this._set, sStr)) {\n      return this._set[sStr];\n    }\n  }\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\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./lib/array-set.js\n// module id = 5\n// module chunks = 0","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2014 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');\n\n/**\n * Determine whether mappingB is after mappingA with respect to generated\n * position.\n */\nfunction generatedPositionAfter(mappingA, mappingB) {\n  // Optimized for most common case\n  var lineA = mappingA.generatedLine;\n  var lineB = mappingB.generatedLine;\n  var columnA = mappingA.generatedColumn;\n  var columnB = mappingB.generatedColumn;\n  return lineB > lineA || lineB == lineA && columnB >= columnA ||\n         util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;\n}\n\n/**\n * A data structure to provide a sorted view of accumulated mappings in a\n * performance conscious manner. It trades a neglibable overhead in general\n * case for a large speedup in case of mappings being added in order.\n */\nfunction MappingList() {\n  this._array = [];\n  this._sorted = true;\n  // Serves as infimum\n  this._last = {generatedLine: -1, generatedColumn: 0};\n}\n\n/**\n * Iterate through internal items. This method takes the same arguments that\n * `Array.prototype.forEach` takes.\n *\n * NOTE: The order of the mappings is NOT guaranteed.\n */\nMappingList.prototype.unsortedForEach =\n  function MappingList_forEach(aCallback, aThisArg) {\n    this._array.forEach(aCallback, aThisArg);\n  };\n\n/**\n * Add the given source mapping.\n *\n * @param Object aMapping\n */\nMappingList.prototype.add = function MappingList_add(aMapping) {\n  if (generatedPositionAfter(this._last, aMapping)) {\n    this._last = aMapping;\n    this._array.push(aMapping);\n  } else {\n    this._sorted = false;\n    this._array.push(aMapping);\n  }\n};\n\n/**\n * Returns the flat, sorted array of mappings. The mappings are sorted by\n * generated position.\n *\n * WARNING: This method returns internal data without copying, for\n * performance. The return value must NOT be mutated, and should be treated as\n * an immutable borrow. If you want to take ownership, you must make your own\n * copy.\n */\nMappingList.prototype.toArray = function MappingList_toArray() {\n  if (!this._sorted) {\n    this._array.sort(util.compareByGeneratedPositionsInflated);\n    this._sorted = true;\n  }\n  return this._array;\n};\n\nexports.MappingList = MappingList;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./lib/mapping-list.js\n// module id = 6\n// module chunks = 0","/* -*- 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\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./lib/source-map-consumer.js\n// module id = 7\n// module chunks = 0","/* -*- 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\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./lib/binary-search.js\n// module id = 8\n// module chunks = 0","/* -*- 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\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./lib/quick-sort.js\n// module id = 9\n// module chunks = 0","/* -*- 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 SourceMapGenerator = require('./source-map-generator').SourceMapGenerator;\nvar util = require('./util');\n\n// Matches a Windows-style `\\r\\n` newline or a `\\n` newline used by all other\n// operating systems these days (capturing the result).\nvar REGEX_NEWLINE = /(\\r?\\n)/;\n\n// Newline character code for charCodeAt() comparisons\nvar NEWLINE_CODE = 10;\n\n// Private symbol for identifying `SourceNode`s when multiple versions of\n// the source-map library are loaded. This MUST NOT CHANGE across\n// versions!\nvar isSourceNode = \"$$$isSourceNode$$$\";\n\n/**\n * SourceNodes provide a way to abstract over interpolating/concatenating\n * snippets of generated JavaScript source code while maintaining the line and\n * column information associated with the original source code.\n *\n * @param aLine The original line number.\n * @param aColumn The original column number.\n * @param aSource The original source's filename.\n * @param aChunks Optional. An array of strings which are snippets of\n *        generated JS, or other SourceNodes.\n * @param aName The original identifier.\n */\nfunction SourceNode(aLine, aColumn, aSource, aChunks, aName) {\n  this.children = [];\n  this.sourceContents = {};\n  this.line = aLine == null ? null : aLine;\n  this.column = aColumn == null ? null : aColumn;\n  this.source = aSource == null ? null : aSource;\n  this.name = aName == null ? null : aName;\n  this[isSourceNode] = true;\n  if (aChunks != null) this.add(aChunks);\n}\n\n/**\n * Creates a SourceNode from generated code and a SourceMapConsumer.\n *\n * @param aGeneratedCode The generated code\n * @param aSourceMapConsumer The SourceMap for the generated code\n * @param aRelativePath Optional. The path that relative sources in the\n *        SourceMapConsumer should be relative to.\n */\nSourceNode.fromStringWithSourceMap =\n  function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {\n    // The SourceNode we want to fill with the generated code\n    // and the SourceMap\n    var node = new SourceNode();\n\n    // All even indices of this array are one line of the generated code,\n    // while all odd indices are the newlines between two adjacent lines\n    // (since `REGEX_NEWLINE` captures its match).\n    // Processed fragments are accessed by calling `shiftNextLine`.\n    var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);\n    var remainingLinesIndex = 0;\n    var shiftNextLine = function() {\n      var lineContents = getNextLine();\n      // The last line of a file might not have a newline.\n      var newLine = getNextLine() || \"\";\n      return lineContents + newLine;\n\n      function getNextLine() {\n        return remainingLinesIndex < remainingLines.length ?\n            remainingLines[remainingLinesIndex++] : undefined;\n      }\n    };\n\n    // We need to remember the position of \"remainingLines\"\n    var lastGeneratedLine = 1, lastGeneratedColumn = 0;\n\n    // The generate SourceNodes we need a code range.\n    // To extract it current and last mapping is used.\n    // Here we store the last mapping.\n    var lastMapping = null;\n\n    aSourceMapConsumer.eachMapping(function (mapping) {\n      if (lastMapping !== null) {\n        // We add the code from \"lastMapping\" to \"mapping\":\n        // First check if there is a new line in between.\n        if (lastGeneratedLine < mapping.generatedLine) {\n          // Associate first line with \"lastMapping\"\n          addMappingWithCode(lastMapping, shiftNextLine());\n          lastGeneratedLine++;\n          lastGeneratedColumn = 0;\n          // The remaining code is added without mapping\n        } else {\n          // There is no new line in between.\n          // Associate the code between \"lastGeneratedColumn\" and\n          // \"mapping.generatedColumn\" with \"lastMapping\"\n          var nextLine = remainingLines[remainingLinesIndex];\n          var code = nextLine.substr(0, mapping.generatedColumn -\n                                        lastGeneratedColumn);\n          remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn -\n                                              lastGeneratedColumn);\n          lastGeneratedColumn = mapping.generatedColumn;\n          addMappingWithCode(lastMapping, code);\n          // No more remaining code, continue\n          lastMapping = mapping;\n          return;\n        }\n      }\n      // We add the generated code until the first mapping\n      // to the SourceNode without any mapping.\n      // Each line is added as separate string.\n      while (lastGeneratedLine < mapping.generatedLine) {\n        node.add(shiftNextLine());\n        lastGeneratedLine++;\n      }\n      if (lastGeneratedColumn < mapping.generatedColumn) {\n        var nextLine = remainingLines[remainingLinesIndex];\n        node.add(nextLine.substr(0, mapping.generatedColumn));\n        remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn);\n        lastGeneratedColumn = mapping.generatedColumn;\n      }\n      lastMapping = mapping;\n    }, this);\n    // We have processed all mappings.\n    if (remainingLinesIndex < remainingLines.length) {\n      if (lastMapping) {\n        // Associate the remaining code in the current line with \"lastMapping\"\n        addMappingWithCode(lastMapping, shiftNextLine());\n      }\n      // and add the remaining lines without any mapping\n      node.add(remainingLines.splice(remainingLinesIndex).join(\"\"));\n    }\n\n    // Copy sourcesContent into SourceNode\n    aSourceMapConsumer.sources.forEach(function (sourceFile) {\n      var content = aSourceMapConsumer.sourceContentFor(sourceFile);\n      if (content != null) {\n        if (aRelativePath != null) {\n          sourceFile = util.join(aRelativePath, sourceFile);\n        }\n        node.setSourceContent(sourceFile, content);\n      }\n    });\n\n    return node;\n\n    function addMappingWithCode(mapping, code) {\n      if (mapping === null || mapping.source === undefined) {\n        node.add(code);\n      } else {\n        var source = aRelativePath\n          ? util.join(aRelativePath, mapping.source)\n          : mapping.source;\n        node.add(new SourceNode(mapping.originalLine,\n                                mapping.originalColumn,\n                                source,\n                                code,\n                                mapping.name));\n      }\n    }\n  };\n\n/**\n * Add a chunk of generated JS to this source node.\n *\n * @param aChunk A string snippet of generated JS code, another instance of\n *        SourceNode, or an array where each member is one of those things.\n */\nSourceNode.prototype.add = function SourceNode_add(aChunk) {\n  if (Array.isArray(aChunk)) {\n    aChunk.forEach(function (chunk) {\n      this.add(chunk);\n    }, this);\n  }\n  else if (aChunk[isSourceNode] || typeof aChunk === \"string\") {\n    if (aChunk) {\n      this.children.push(aChunk);\n    }\n  }\n  else {\n    throw new TypeError(\n      \"Expected a SourceNode, string, or an array of SourceNodes and strings. Got \" + aChunk\n    );\n  }\n  return this;\n};\n\n/**\n * Add a chunk of generated JS to the beginning of this source node.\n *\n * @param aChunk A string snippet of generated JS code, another instance of\n *        SourceNode, or an array where each member is one of those things.\n */\nSourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {\n  if (Array.isArray(aChunk)) {\n    for (var i = aChunk.length-1; i >= 0; i--) {\n      this.prepend(aChunk[i]);\n    }\n  }\n  else if (aChunk[isSourceNode] || typeof aChunk === \"string\") {\n    this.children.unshift(aChunk);\n  }\n  else {\n    throw new TypeError(\n      \"Expected a SourceNode, string, or an array of SourceNodes and strings. Got \" + aChunk\n    );\n  }\n  return this;\n};\n\n/**\n * Walk over the tree of JS snippets in this node and its children. The\n * walking function is called once for each snippet of JS and is passed that\n * snippet and the its original associated source's line/column location.\n *\n * @param aFn The traversal function.\n */\nSourceNode.prototype.walk = function SourceNode_walk(aFn) {\n  var chunk;\n  for (var i = 0, len = this.children.length; i < len; i++) {\n    chunk = this.children[i];\n    if (chunk[isSourceNode]) {\n      chunk.walk(aFn);\n    }\n    else {\n      if (chunk !== '') {\n        aFn(chunk, { source: this.source,\n                     line: this.line,\n                     column: this.column,\n                     name: this.name });\n      }\n    }\n  }\n};\n\n/**\n * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between\n * each of `this.children`.\n *\n * @param aSep The separator.\n */\nSourceNode.prototype.join = function SourceNode_join(aSep) {\n  var newChildren;\n  var i;\n  var len = this.children.length;\n  if (len > 0) {\n    newChildren = [];\n    for (i = 0; i < len-1; i++) {\n      newChildren.push(this.children[i]);\n      newChildren.push(aSep);\n    }\n    newChildren.push(this.children[i]);\n    this.children = newChildren;\n  }\n  return this;\n};\n\n/**\n * Call String.prototype.replace on the very right-most source snippet. Useful\n * for trimming whitespace from the end of a source node, etc.\n *\n * @param aPattern The pattern to replace.\n * @param aReplacement The thing to replace the pattern with.\n */\nSourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {\n  var lastChild = this.children[this.children.length - 1];\n  if (lastChild[isSourceNode]) {\n    lastChild.replaceRight(aPattern, aReplacement);\n  }\n  else if (typeof lastChild === 'string') {\n    this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);\n  }\n  else {\n    this.children.push(''.replace(aPattern, aReplacement));\n  }\n  return this;\n};\n\n/**\n * Set the source content for a source file. This will be added to the SourceMapGenerator\n * in the sourcesContent field.\n *\n * @param aSourceFile The filename of the source file\n * @param aSourceContent The content of the source file\n */\nSourceNode.prototype.setSourceContent =\n  function SourceNode_setSourceContent(aSourceFile, aSourceContent) {\n    this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;\n  };\n\n/**\n * Walk over the tree of SourceNodes. The walking function is called for each\n * source file content and is passed the filename and source content.\n *\n * @param aFn The traversal function.\n */\nSourceNode.prototype.walkSourceContents =\n  function SourceNode_walkSourceContents(aFn) {\n    for (var i = 0, len = this.children.length; i < len; i++) {\n      if (this.children[i][isSourceNode]) {\n        this.children[i].walkSourceContents(aFn);\n      }\n    }\n\n    var sources = Object.keys(this.sourceContents);\n    for (var i = 0, len = sources.length; i < len; i++) {\n      aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);\n    }\n  };\n\n/**\n * Return the string representation of this source node. Walks over the tree\n * and concatenates all the various snippets together to one string.\n */\nSourceNode.prototype.toString = function SourceNode_toString() {\n  var str = \"\";\n  this.walk(function (chunk) {\n    str += chunk;\n  });\n  return str;\n};\n\n/**\n * Returns the string representation of this source node along with a source\n * map.\n */\nSourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {\n  var generated = {\n    code: \"\",\n    line: 1,\n    column: 0\n  };\n  var map = new SourceMapGenerator(aArgs);\n  var sourceMappingActive = false;\n  var lastOriginalSource = null;\n  var lastOriginalLine = null;\n  var lastOriginalColumn = null;\n  var lastOriginalName = null;\n  this.walk(function (chunk, original) {\n    generated.code += chunk;\n    if (original.source !== null\n        && original.line !== null\n        && original.column !== null) {\n      if(lastOriginalSource !== original.source\n         || lastOriginalLine !== original.line\n         || lastOriginalColumn !== original.column\n         || lastOriginalName !== original.name) {\n        map.addMapping({\n          source: original.source,\n          original: {\n            line: original.line,\n            column: original.column\n          },\n          generated: {\n            line: generated.line,\n            column: generated.column\n          },\n          name: original.name\n        });\n      }\n      lastOriginalSource = original.source;\n      lastOriginalLine = original.line;\n      lastOriginalColumn = original.column;\n      lastOriginalName = original.name;\n      sourceMappingActive = true;\n    } else if (sourceMappingActive) {\n      map.addMapping({\n        generated: {\n          line: generated.line,\n          column: generated.column\n        }\n      });\n      lastOriginalSource = null;\n      sourceMappingActive = false;\n    }\n    for (var idx = 0, length = chunk.length; idx < length; idx++) {\n      if (chunk.charCodeAt(idx) === NEWLINE_CODE) {\n        generated.line++;\n        generated.column = 0;\n        // Mappings end at eol\n        if (idx + 1 === length) {\n          lastOriginalSource = null;\n          sourceMappingActive = false;\n        } else if (sourceMappingActive) {\n          map.addMapping({\n            source: original.source,\n            original: {\n              line: original.line,\n              column: original.column\n            },\n            generated: {\n              line: generated.line,\n              column: generated.column\n            },\n            name: original.name\n          });\n        }\n      } else {\n        generated.column++;\n      }\n    }\n  });\n  this.walkSourceContents(function (sourceFile, sourceContent) {\n    map.setSourceContent(sourceFile, sourceContent);\n  });\n\n  return { code: generated.code, map: map };\n};\n\nexports.SourceNode = SourceNode;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./lib/source-node.js\n// module id = 10\n// module chunks = 0"],"sourceRoot":""}