diff options
Diffstat (limited to 'devtools/client/shared/source-map/worker.js')
-rw-r--r-- | devtools/client/shared/source-map/worker.js | 5510 |
1 files changed, 5510 insertions, 0 deletions
diff --git a/devtools/client/shared/source-map/worker.js b/devtools/client/shared/source-map/worker.js new file mode 100644 index 0000000000..c3569bb2e4 --- /dev/null +++ b/devtools/client/shared/source-map/worker.js @@ -0,0 +1,5510 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +(function webpackUniversalModuleDefinition(root, factory) { + if(typeof exports === 'object' && typeof module === 'object') + module.exports = factory(); + else if(typeof define === 'function' && define.amd) + define([], factory); + else { + var a = factory(); + for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i]; + } +})(typeof self !== 'undefined' ? self : this, function() { +return /******/ (function(modules) { // webpackBootstrap +/******/ // The module cache +/******/ var installedModules = {}; +/******/ +/******/ // The require function +/******/ function __webpack_require__(moduleId) { +/******/ +/******/ // Check if module is in cache +/******/ if(installedModules[moduleId]) { +/******/ return installedModules[moduleId].exports; +/******/ } +/******/ // Create a new module (and put it into the cache) +/******/ var module = installedModules[moduleId] = { +/******/ i: moduleId, +/******/ l: false, +/******/ exports: {} +/******/ }; +/******/ +/******/ // Execute the module function +/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); +/******/ +/******/ // Flag the module as loaded +/******/ module.l = true; +/******/ +/******/ // Return the exports of the module +/******/ return module.exports; +/******/ } +/******/ +/******/ +/******/ // expose the modules object (__webpack_modules__) +/******/ __webpack_require__.m = modules; +/******/ +/******/ // expose the module cache +/******/ __webpack_require__.c = installedModules; +/******/ +/******/ // define getter function for harmony exports +/******/ __webpack_require__.d = function(exports, name, getter) { +/******/ if(!__webpack_require__.o(exports, name)) { +/******/ Object.defineProperty(exports, name, { +/******/ configurable: false, +/******/ enumerable: true, +/******/ get: getter +/******/ }); +/******/ } +/******/ }; +/******/ +/******/ // getDefaultExport function for compatibility with non-harmony modules +/******/ __webpack_require__.n = function(module) { +/******/ var getter = module && module.__esModule ? +/******/ function getDefault() { return module['default']; } : +/******/ function getModuleExports() { return module; }; +/******/ __webpack_require__.d(getter, 'a', getter); +/******/ return getter; +/******/ }; +/******/ +/******/ // Object.prototype.hasOwnProperty.call +/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; +/******/ +/******/ // __webpack_public_path__ +/******/ __webpack_require__.p = "/assets/build"; +/******/ +/******/ // Load entry module and return exports +/******/ return __webpack_require__(__webpack_require__.s = 910); +/******/ }) +/************************************************************************/ +/******/ ({ + +/***/ 533: +/***/ (function(module, exports) { + +module.exports = +(() => { + let factory; + function define(...args) { + if (factory) { + throw new Error("expected a single define call"); + } + + if ( + args.length !== 2 || + !Array.isArray(args[0]) || + args[0].length !== 0 || + typeof args[1] !== "function" + ) { + throw new Error("whatwg-url had unexpected factory arguments."); + } + + factory = args[1]; + } + define.amd = true; + + const existingDefine = Object.getOwnPropertyDescriptor(globalThis, "define"); + globalThis.define = define; + let err; + try { + importScripts("resource://devtools/client/shared/vendor/whatwg-url.js"); + + if (!factory) { + throw new Error("Failed to load whatwg-url factory"); + } + } finally { + if (existingDefine) { + Object.defineProperty(globalThis, "define", existingDefine); + } else { + delete globalThis.define; + } + + } + + return factory(); +})() +; + +/***/ }), + +/***/ 560: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +const networkRequest = __webpack_require__(567); + +const workerUtils = __webpack_require__(568); + +module.exports = { + networkRequest, + workerUtils +}; + +/***/ }), + +/***/ 567: +/***/ (function(module, exports) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +function networkRequest(url, opts) { + return fetch(url, { + cache: opts.loadFromCache ? "default" : "no-cache" + }).then(res => { + if (res.status >= 200 && res.status < 300) { + if (res.headers.get("Content-Type") === "application/wasm") { + return res.arrayBuffer().then(buffer => ({ + content: buffer, + isDwarf: true + })); + } + + return res.text().then(text => ({ + content: text + })); + } + + return Promise.reject(`request failed with status ${res.status}`); + }); +} + +module.exports = networkRequest; + +/***/ }), + +/***/ 568: +/***/ (function(module, exports) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +function WorkerDispatcher() { + this.msgId = 1; + this.worker = null; +} + +WorkerDispatcher.prototype = { + start(url, win = window) { + this.worker = new win.Worker(url); + + this.worker.onerror = err => { + console.error(`Error in worker ${url}`, err.message); + }; + }, + + stop() { + if (!this.worker) { + return; + } + + this.worker.terminate(); + this.worker = null; + }, + + task(method, { + queue = false + } = {}) { + const calls = []; + + const push = args => { + return new Promise((resolve, reject) => { + if (queue && calls.length === 0) { + Promise.resolve().then(flush); + } + + calls.push([args, resolve, reject]); + + if (!queue) { + flush(); + } + }); + }; + + const flush = () => { + const items = calls.slice(); + calls.length = 0; + + if (!this.worker) { + return; + } + + const id = this.msgId++; + this.worker.postMessage({ + id, + method, + calls: items.map(item => item[0]) + }); + + const listener = ({ + data: result + }) => { + if (result.id !== id) { + return; + } + + if (!this.worker) { + return; + } + + this.worker.removeEventListener("message", listener); + result.results.forEach((resultData, i) => { + const [, resolve, reject] = items[i]; + + if (resultData.error) { + const err = new Error(resultData.message); + err.metadata = resultData.metadata; + reject(err); + } else { + resolve(resultData.response); + } + }); + }; + + this.worker.addEventListener("message", listener); + }; + + return (...args) => push(args); + }, + + invoke(method, ...args) { + return this.task(method)(...args); + } + +}; + +function workerHandler(publicInterface) { + return function (msg) { + const { + id, + method, + calls + } = msg.data; + Promise.all(calls.map(args => { + try { + const response = publicInterface[method].apply(undefined, args); + + if (response instanceof Promise) { + return response.then(val => ({ + response: val + }), err => asErrorMessage(err)); + } + + return { + response + }; + } catch (error) { + return asErrorMessage(error); + } + })).then(results => { + self.postMessage({ + id, + results + }); + }); + }; +} + +function asErrorMessage(error) { + if (typeof error === "object" && error && "message" in error) { + // Error can't be sent via postMessage, so be sure to convert to + // string. + return { + error: true, + message: error.message, + metadata: error.metadata + }; + } + + return { + error: true, + message: error == null ? error : error.toString(), + metadata: undefined + }; +} + +module.exports = { + WorkerDispatcher, + workerHandler +}; + +/***/ }), + +/***/ 584: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +const md5 = __webpack_require__(644); + +function originalToGeneratedId(sourceId) { + if (isGeneratedId(sourceId)) { + return sourceId; + } + + const lastIndex = sourceId.lastIndexOf("/originalSource"); + return lastIndex !== -1 ? sourceId.slice(0, lastIndex) : ""; +} + +const getMd5 = memoize(url => md5(url)); + +function generatedToOriginalId(generatedId, url) { + return `${generatedId}/originalSource-${getMd5(url)}`; +} + +function isOriginalId(id) { + return id.includes("/originalSource"); +} + +function isGeneratedId(id) { + return !isOriginalId(id); +} +/** + * Trims the query part or reference identifier of a URL string, if necessary. + */ + + +function trimUrlQuery(url) { + const length = url.length; + + for (let i = 0; i < length; ++i) { + if (url[i] === "?" || url[i] === "&" || url[i] === "#") { + return url.slice(0, i); + } + } + + return url; +} // Map suffix to content type. + + +const contentMap = { + js: "text/javascript", + jsm: "text/javascript", + mjs: "text/javascript", + ts: "text/typescript", + tsx: "text/typescript-jsx", + jsx: "text/jsx", + vue: "text/vue", + coffee: "text/coffeescript", + elm: "text/elm", + cljc: "text/x-clojure", + cljs: "text/x-clojurescript" +}; +/** + * Returns the content type for the specified URL. If no specific + * content type can be determined, "text/plain" is returned. + * + * @return String + * The content type. + */ + +function getContentType(url) { + url = trimUrlQuery(url); + const dot = url.lastIndexOf("."); + + if (dot >= 0) { + const name = url.substring(dot + 1); + + if (name in contentMap) { + return contentMap[name]; + } + } + + return "text/plain"; +} + +function memoize(func) { + const map = new Map(); + return arg => { + if (map.has(arg)) { + return map.get(arg); + } + + const result = func(arg); + map.set(arg, result); + return result; + }; +} + +module.exports = { + originalToGeneratedId, + generatedToOriginalId, + isOriginalId, + isGeneratedId, + getContentType, + contentMapForTesting: contentMap +}; + +/***/ }), + +/***/ 585: +/***/ (function(module, exports) { + +var charenc = { + // UTF-8 encoding + utf8: { + // Convert a string to a byte array + stringToBytes: function(str) { + return charenc.bin.stringToBytes(unescape(encodeURIComponent(str))); + }, + + // Convert a byte array to a string + bytesToString: function(bytes) { + return decodeURIComponent(escape(charenc.bin.bytesToString(bytes))); + } + }, + + // Binary encoding + bin: { + // Convert a string to a byte array + stringToBytes: function(str) { + for (var bytes = [], i = 0; i < str.length; i++) + bytes.push(str.charCodeAt(i) & 0xFF); + return bytes; + }, + + // Convert a byte array to a string + bytesToString: function(bytes) { + for (var str = [], i = 0; i < bytes.length; i++) + str.push(String.fromCharCode(bytes[i])); + return str.join(''); + } + } +}; + +module.exports = charenc; + + +/***/ }), + +/***/ 608: +/***/ (function(module, exports, __webpack_require__) { + +/* + * Copyright 2009-2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE.txt or: + * http://opensource.org/licenses/BSD-3-Clause + */ +exports.SourceMapGenerator = __webpack_require__(702).SourceMapGenerator; +exports.SourceMapConsumer = __webpack_require__(916).SourceMapConsumer; +exports.SourceNode = __webpack_require__(919).SourceNode; + + +/***/ }), + +/***/ 609: +/***/ (function(module, exports, __webpack_require__) { + +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ + +const URL = __webpack_require__(914); + +/** + * This is a helper function for getting values from parameter/options + * objects. + * + * @param args The object we are extracting values from + * @param name The name of the property we are getting. + * @param defaultValue An optional value to return if the property is missing + * from the object. If this is not specified and the property is missing, an + * error will be thrown. + */ +function getArg(aArgs, aName, aDefaultValue) { + if (aName in aArgs) { + return aArgs[aName]; + } else if (arguments.length === 3) { + return aDefaultValue; + } + throw new Error('"' + aName + '" is a required argument.'); + +} +exports.getArg = getArg; + +const supportsNullProto = (function() { + const obj = Object.create(null); + return !("__proto__" in obj); +}()); + +function identity(s) { + return s; +} + +/** + * Because behavior goes wacky when you set `__proto__` on objects, we + * have to prefix all the strings in our set with an arbitrary character. + * + * See https://github.com/mozilla/source-map/pull/31 and + * https://github.com/mozilla/source-map/issues/30 + * + * @param String aStr + */ +function toSetString(aStr) { + if (isProtoString(aStr)) { + return "$" + aStr; + } + + return aStr; +} +exports.toSetString = supportsNullProto ? identity : toSetString; + +function fromSetString(aStr) { + if (isProtoString(aStr)) { + return aStr.slice(1); + } + + return aStr; +} +exports.fromSetString = supportsNullProto ? identity : fromSetString; + +function isProtoString(s) { + if (!s) { + return false; + } + + const length = s.length; + + if (length < 9 /* "__proto__".length */) { + return false; + } + + /* eslint-disable no-multi-spaces */ + if (s.charCodeAt(length - 1) !== 95 /* '_' */ || + s.charCodeAt(length - 2) !== 95 /* '_' */ || + s.charCodeAt(length - 3) !== 111 /* 'o' */ || + s.charCodeAt(length - 4) !== 116 /* 't' */ || + s.charCodeAt(length - 5) !== 111 /* 'o' */ || + s.charCodeAt(length - 6) !== 114 /* 'r' */ || + s.charCodeAt(length - 7) !== 112 /* 'p' */ || + s.charCodeAt(length - 8) !== 95 /* '_' */ || + s.charCodeAt(length - 9) !== 95 /* '_' */) { + return false; + } + /* eslint-enable no-multi-spaces */ + + for (let i = length - 10; i >= 0; i--) { + if (s.charCodeAt(i) !== 36 /* '$' */) { + return false; + } + } + + return true; +} + +function strcmp(aStr1, aStr2) { + if (aStr1 === aStr2) { + return 0; + } + + if (aStr1 === null) { + return 1; // aStr2 !== null + } + + if (aStr2 === null) { + return -1; // aStr1 !== null + } + + if (aStr1 > aStr2) { + return 1; + } + + return -1; +} + +/** + * Comparator between two mappings with inflated source and name strings where + * the generated positions are compared. + */ +function compareByGeneratedPositionsInflated(mappingA, mappingB) { + let cmp = mappingA.generatedLine - mappingB.generatedLine; + if (cmp !== 0) { + return cmp; + } + + cmp = mappingA.generatedColumn - mappingB.generatedColumn; + if (cmp !== 0) { + return cmp; + } + + cmp = strcmp(mappingA.source, mappingB.source); + if (cmp !== 0) { + return cmp; + } + + cmp = mappingA.originalLine - mappingB.originalLine; + if (cmp !== 0) { + return cmp; + } + + cmp = mappingA.originalColumn - mappingB.originalColumn; + if (cmp !== 0) { + return cmp; + } + + return strcmp(mappingA.name, mappingB.name); +} +exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated; + +/** + * Strip any JSON XSSI avoidance prefix from the string (as documented + * in the source maps specification), and then parse the string as + * JSON. + */ +function parseSourceMapInput(str) { + return JSON.parse(str.replace(/^\)]}'[^\n]*\n/, "")); +} +exports.parseSourceMapInput = parseSourceMapInput; + +// We use 'http' as the base here because we want URLs processed relative +// to the safe base to be treated as "special" URLs during parsing using +// the WHATWG URL parsing. This ensures that backslash normalization +// applies to the path and such. +const PROTOCOL = "http:"; +const PROTOCOL_AND_HOST = `${PROTOCOL}//host`; + +/** + * Make it easy to create small utilities that tweak a URL's path. + */ +function createSafeHandler(cb) { + return input => { + const type = getURLType(input); + const base = buildSafeBase(input); + const url = new URL(input, base); + + cb(url); + + const result = url.toString(); + + if (type === "absolute") { + return result; + } else if (type === "scheme-relative") { + return result.slice(PROTOCOL.length); + } else if (type === "path-absolute") { + return result.slice(PROTOCOL_AND_HOST.length); + } + + // This assumes that the callback will only change + // the path, search and hash values. + return computeRelativeURL(base, result); + }; +} + +function withBase(url, base) { + return new URL(url, base).toString(); +} + +function buildUniqueSegment(prefix, str) { + let id = 0; + do { + const ident = prefix + (id++); + if (str.indexOf(ident) === -1) return ident; + } while (true); +} + +function buildSafeBase(str) { + const maxDotParts = str.split("..").length - 1; + + // If we used a segment that also existed in `str`, then we would be unable + // to compute relative paths. For example, if `segment` were just "a": + // + // const url = "../../a/" + // const base = buildSafeBase(url); // http://host/a/a/ + // const joined = "http://host/a/"; + // const result = relative(base, joined); + // + // Expected: "../../a/"; + // Actual: "a/" + // + const segment = buildUniqueSegment("p", str); + + let base = `${PROTOCOL_AND_HOST}/`; + for (let i = 0; i < maxDotParts; i++) { + base += `${segment}/`; + } + return base; +} + +const ABSOLUTE_SCHEME = /^[A-Za-z0-9\+\-\.]+:/; +function getURLType(url) { + if (url[0] === "/") { + if (url[1] === "/") return "scheme-relative"; + return "path-absolute"; + } + + return ABSOLUTE_SCHEME.test(url) ? "absolute" : "path-relative"; +} + +/** + * Given two URLs that are assumed to be on the same + * protocol/host/user/password build a relative URL from the + * path, params, and hash values. + * + * @param rootURL The root URL that the target will be relative to. + * @param targetURL The target that the relative URL points to. + * @return A rootURL-relative, normalized URL value. + */ +function computeRelativeURL(rootURL, targetURL) { + if (typeof rootURL === "string") rootURL = new URL(rootURL); + if (typeof targetURL === "string") targetURL = new URL(targetURL); + + const targetParts = targetURL.pathname.split("/"); + const rootParts = rootURL.pathname.split("/"); + + // If we've got a URL path ending with a "/", we remove it since we'd + // otherwise be relative to the wrong location. + if (rootParts.length > 0 && !rootParts[rootParts.length - 1]) { + rootParts.pop(); + } + + while ( + targetParts.length > 0 && + rootParts.length > 0 && + targetParts[0] === rootParts[0] + ) { + targetParts.shift(); + rootParts.shift(); + } + + const relativePath = rootParts + .map(() => "..") + .concat(targetParts) + .join("/"); + + return relativePath + targetURL.search + targetURL.hash; +} + +/** + * Given a URL, ensure that it is treated as a directory URL. + * + * @param url + * @return A normalized URL value. + */ +const ensureDirectory = createSafeHandler(url => { + url.pathname = url.pathname.replace(/\/?$/, "/"); +}); + +/** + * Given a URL, strip off any filename if one is present. + * + * @param url + * @return A normalized URL value. + */ +const trimFilename = createSafeHandler(url => { + url.href = new URL(".", url.toString()).toString(); +}); + +/** + * Normalize a given URL. + * * Convert backslashes. + * * Remove any ".." and "." segments. + * + * @param url + * @return A normalized URL value. + */ +const normalize = createSafeHandler(url => {}); +exports.normalize = normalize; + +/** + * Joins two paths/URLs. + * + * All returned URLs will be normalized. + * + * @param aRoot The root path or URL. Assumed to reference a directory. + * @param aPath The path or URL to be joined with the root. + * @return A joined and normalized URL value. + */ +function join(aRoot, aPath) { + const pathType = getURLType(aPath); + const rootType = getURLType(aRoot); + + aRoot = ensureDirectory(aRoot); + + if (pathType === "absolute") { + return withBase(aPath, undefined); + } + if (rootType === "absolute") { + return withBase(aPath, aRoot); + } + + if (pathType === "scheme-relative") { + return normalize(aPath); + } + if (rootType === "scheme-relative") { + return withBase(aPath, withBase(aRoot, PROTOCOL_AND_HOST)).slice(PROTOCOL.length); + } + + if (pathType === "path-absolute") { + return normalize(aPath); + } + if (rootType === "path-absolute") { + return withBase(aPath, withBase(aRoot, PROTOCOL_AND_HOST)).slice(PROTOCOL_AND_HOST.length); + } + + const base = buildSafeBase(aPath + aRoot); + const newPath = withBase(aPath, withBase(aRoot, base)); + return computeRelativeURL(base, newPath); +} +exports.join = join; + +/** + * Make a path relative to a URL or another path. If returning a + * relative URL is not possible, the original target will be returned. + * All returned URLs will be normalized. + * + * @param aRoot The root path or URL. + * @param aPath The path or URL to be made relative to aRoot. + * @return A rootURL-relative (if possible), normalized URL value. + */ +function relative(rootURL, targetURL) { + const result = relativeIfPossible(rootURL, targetURL); + + return typeof result === "string" ? result : normalize(targetURL); +} +exports.relative = relative; + +function relativeIfPossible(rootURL, targetURL) { + const urlType = getURLType(rootURL); + if (urlType !== getURLType(targetURL)) { + return null; + } + + const base = buildSafeBase(rootURL + targetURL); + const root = new URL(rootURL, base); + const target = new URL(targetURL, base); + + try { + new URL("", target.toString()); + } catch (err) { + // Bail if the URL doesn't support things being relative to it, + // For example, data: and blob: URLs. + return null; + } + + if ( + target.protocol !== root.protocol || + target.user !== root.user || + target.password !== root.password || + target.hostname !== root.hostname || + target.port !== root.port + ) { + return null; + } + + return computeRelativeURL(root, target); +} + +/** + * Compute the URL of a source given the the source root, the source's + * URL, and the source map's URL. + */ +function computeSourceURL(sourceRoot, sourceURL, sourceMapURL) { + // The source map spec states that "sourceRoot" and "sources" entries are to be appended. While + // that is a little vague, implementations have generally interpreted that as joining the + // URLs with a `/` between then, assuming the "sourceRoot" doesn't already end with one. + // For example, + // + // sourceRoot: "some-dir", + // sources: ["/some-path.js"] + // + // and + // + // sourceRoot: "some-dir/", + // sources: ["/some-path.js"] + // + // must behave as "some-dir/some-path.js". + // + // With this library's the transition to a more URL-focused implementation, that behavior is + // preserved here. To acheive that, we trim the "/" from absolute-path when a sourceRoot value + // is present in order to make the sources entries behave as if they are relative to the + // "sourceRoot", as they would have if the two strings were simply concated. + if (sourceRoot && getURLType(sourceURL) === "path-absolute") { + sourceURL = sourceURL.replace(/^\//, ""); + } + + let url = normalize(sourceURL || ""); + + // Parsing URLs can be expensive, so we only perform these joins when needed. + if (sourceRoot) url = join(sourceRoot, url); + if (sourceMapURL) url = join(trimFilename(sourceMapURL), url); + return url; +} +exports.computeSourceURL = computeSourceURL; + + +/***/ }), + +/***/ 610: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +const { + convertToJSON +} = __webpack_require__(923); + +const { + setAssetRootURL +} = __webpack_require__(707); + +const { + getWasmXScopes, + clearWasmXScopes +} = __webpack_require__(924); + +module.exports = { + convertToJSON, + setAssetRootURL, + getWasmXScopes, + clearWasmXScopes +}; + +/***/ }), + +/***/ 643: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +const { + generatedToOriginalId +} = __webpack_require__(584); + +const sourceMapRequests = new Map(); + +function clearSourceMaps() { + for (const [, metadataPromise] of sourceMapRequests) { + // The source-map module leaks memory unless `.destroy` is called on + // the consumer instances when they are no longer being used. + metadataPromise.then(metadata => { + if (metadata) { + metadata.map.destroy(); + } + }, // We don't want this to cause any unhandled rejection errors. + () => {}); + } + + sourceMapRequests.clear(); +} + +function getSourceMapWithMetadata(generatedSourceId) { + return sourceMapRequests.get(generatedSourceId); +} + +function getSourceMap(generatedSourceId) { + const request = getSourceMapWithMetadata(generatedSourceId); + + if (!request) { + return null; + } + + return request.then(result => result ? result.map : null); +} + +function setSourceMap(generatedId, request) { + sourceMapRequests.set(generatedId, request.then(map => { + if (!map || !map.sources) { + return null; + } + + const urlsById = new Map(); + const sources = []; + + for (const url of map.sources) { + const id = generatedToOriginalId(generatedId, url); + urlsById.set(id, url); + sources.push({ + id, + url + }); + } + + return { + map, + urlsById, + sources + }; + })); +} + +module.exports = { + clearSourceMaps, + getSourceMapWithMetadata, + getSourceMap, + setSourceMap +}; + +/***/ }), + +/***/ 644: +/***/ (function(module, exports, __webpack_require__) { + +(function(){
+ var crypt = __webpack_require__(645),
+ utf8 = __webpack_require__(585).utf8,
+ isBuffer = __webpack_require__(646),
+ bin = __webpack_require__(585).bin,
+
+ // The core
+ md5 = function (message, options) {
+ // Convert to byte array
+ if (message.constructor == String)
+ if (options && options.encoding === 'binary')
+ message = bin.stringToBytes(message);
+ else
+ message = utf8.stringToBytes(message);
+ else if (isBuffer(message))
+ message = Array.prototype.slice.call(message, 0);
+ else if (!Array.isArray(message))
+ message = message.toString();
+ // else, assume byte array already
+
+ var m = crypt.bytesToWords(message),
+ l = message.length * 8,
+ a = 1732584193,
+ b = -271733879,
+ c = -1732584194,
+ d = 271733878;
+
+ // Swap endian
+ for (var i = 0; i < m.length; i++) {
+ m[i] = ((m[i] << 8) | (m[i] >>> 24)) & 0x00FF00FF |
+ ((m[i] << 24) | (m[i] >>> 8)) & 0xFF00FF00;
+ }
+
+ // Padding
+ m[l >>> 5] |= 0x80 << (l % 32);
+ m[(((l + 64) >>> 9) << 4) + 14] = l;
+
+ // Method shortcuts
+ var FF = md5._ff,
+ GG = md5._gg,
+ HH = md5._hh,
+ II = md5._ii;
+
+ for (var i = 0; i < m.length; i += 16) {
+
+ var aa = a,
+ bb = b,
+ cc = c,
+ dd = d;
+
+ a = FF(a, b, c, d, m[i+ 0], 7, -680876936);
+ d = FF(d, a, b, c, m[i+ 1], 12, -389564586);
+ c = FF(c, d, a, b, m[i+ 2], 17, 606105819);
+ b = FF(b, c, d, a, m[i+ 3], 22, -1044525330);
+ a = FF(a, b, c, d, m[i+ 4], 7, -176418897);
+ d = FF(d, a, b, c, m[i+ 5], 12, 1200080426);
+ c = FF(c, d, a, b, m[i+ 6], 17, -1473231341);
+ b = FF(b, c, d, a, m[i+ 7], 22, -45705983);
+ a = FF(a, b, c, d, m[i+ 8], 7, 1770035416);
+ d = FF(d, a, b, c, m[i+ 9], 12, -1958414417);
+ c = FF(c, d, a, b, m[i+10], 17, -42063);
+ b = FF(b, c, d, a, m[i+11], 22, -1990404162);
+ a = FF(a, b, c, d, m[i+12], 7, 1804603682);
+ d = FF(d, a, b, c, m[i+13], 12, -40341101);
+ c = FF(c, d, a, b, m[i+14], 17, -1502002290);
+ b = FF(b, c, d, a, m[i+15], 22, 1236535329);
+
+ a = GG(a, b, c, d, m[i+ 1], 5, -165796510);
+ d = GG(d, a, b, c, m[i+ 6], 9, -1069501632);
+ c = GG(c, d, a, b, m[i+11], 14, 643717713);
+ b = GG(b, c, d, a, m[i+ 0], 20, -373897302);
+ a = GG(a, b, c, d, m[i+ 5], 5, -701558691);
+ d = GG(d, a, b, c, m[i+10], 9, 38016083);
+ c = GG(c, d, a, b, m[i+15], 14, -660478335);
+ b = GG(b, c, d, a, m[i+ 4], 20, -405537848);
+ a = GG(a, b, c, d, m[i+ 9], 5, 568446438);
+ d = GG(d, a, b, c, m[i+14], 9, -1019803690);
+ c = GG(c, d, a, b, m[i+ 3], 14, -187363961);
+ b = GG(b, c, d, a, m[i+ 8], 20, 1163531501);
+ a = GG(a, b, c, d, m[i+13], 5, -1444681467);
+ d = GG(d, a, b, c, m[i+ 2], 9, -51403784);
+ c = GG(c, d, a, b, m[i+ 7], 14, 1735328473);
+ b = GG(b, c, d, a, m[i+12], 20, -1926607734);
+
+ a = HH(a, b, c, d, m[i+ 5], 4, -378558);
+ d = HH(d, a, b, c, m[i+ 8], 11, -2022574463);
+ c = HH(c, d, a, b, m[i+11], 16, 1839030562);
+ b = HH(b, c, d, a, m[i+14], 23, -35309556);
+ a = HH(a, b, c, d, m[i+ 1], 4, -1530992060);
+ d = HH(d, a, b, c, m[i+ 4], 11, 1272893353);
+ c = HH(c, d, a, b, m[i+ 7], 16, -155497632);
+ b = HH(b, c, d, a, m[i+10], 23, -1094730640);
+ a = HH(a, b, c, d, m[i+13], 4, 681279174);
+ d = HH(d, a, b, c, m[i+ 0], 11, -358537222);
+ c = HH(c, d, a, b, m[i+ 3], 16, -722521979);
+ b = HH(b, c, d, a, m[i+ 6], 23, 76029189);
+ a = HH(a, b, c, d, m[i+ 9], 4, -640364487);
+ d = HH(d, a, b, c, m[i+12], 11, -421815835);
+ c = HH(c, d, a, b, m[i+15], 16, 530742520);
+ b = HH(b, c, d, a, m[i+ 2], 23, -995338651);
+
+ a = II(a, b, c, d, m[i+ 0], 6, -198630844);
+ d = II(d, a, b, c, m[i+ 7], 10, 1126891415);
+ c = II(c, d, a, b, m[i+14], 15, -1416354905);
+ b = II(b, c, d, a, m[i+ 5], 21, -57434055);
+ a = II(a, b, c, d, m[i+12], 6, 1700485571);
+ d = II(d, a, b, c, m[i+ 3], 10, -1894986606);
+ c = II(c, d, a, b, m[i+10], 15, -1051523);
+ b = II(b, c, d, a, m[i+ 1], 21, -2054922799);
+ a = II(a, b, c, d, m[i+ 8], 6, 1873313359);
+ d = II(d, a, b, c, m[i+15], 10, -30611744);
+ c = II(c, d, a, b, m[i+ 6], 15, -1560198380);
+ b = II(b, c, d, a, m[i+13], 21, 1309151649);
+ a = II(a, b, c, d, m[i+ 4], 6, -145523070);
+ d = II(d, a, b, c, m[i+11], 10, -1120210379);
+ c = II(c, d, a, b, m[i+ 2], 15, 718787259);
+ b = II(b, c, d, a, m[i+ 9], 21, -343485551);
+
+ a = (a + aa) >>> 0;
+ b = (b + bb) >>> 0;
+ c = (c + cc) >>> 0;
+ d = (d + dd) >>> 0;
+ }
+
+ return crypt.endian([a, b, c, d]);
+ };
+
+ // Auxiliary functions
+ md5._ff = function (a, b, c, d, x, s, t) {
+ var n = a + (b & c | ~b & d) + (x >>> 0) + t;
+ return ((n << s) | (n >>> (32 - s))) + b;
+ };
+ md5._gg = function (a, b, c, d, x, s, t) {
+ var n = a + (b & d | c & ~d) + (x >>> 0) + t;
+ return ((n << s) | (n >>> (32 - s))) + b;
+ };
+ md5._hh = function (a, b, c, d, x, s, t) {
+ var n = a + (b ^ c ^ d) + (x >>> 0) + t;
+ return ((n << s) | (n >>> (32 - s))) + b;
+ };
+ md5._ii = function (a, b, c, d, x, s, t) {
+ var n = a + (c ^ (b | ~d)) + (x >>> 0) + t;
+ return ((n << s) | (n >>> (32 - s))) + b;
+ };
+
+ // Package private blocksize
+ md5._blocksize = 16;
+ md5._digestsize = 16;
+
+ module.exports = function (message, options) {
+ if (message === undefined || message === null)
+ throw new Error('Illegal argument ' + message);
+
+ var digestbytes = crypt.wordsToBytes(md5(message, options));
+ return options && options.asBytes ? digestbytes :
+ options && options.asString ? bin.bytesToString(digestbytes) :
+ crypt.bytesToHex(digestbytes);
+ };
+
+})();
+ + +/***/ }), + +/***/ 645: +/***/ (function(module, exports) { + +(function() { + var base64map + = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/', + + crypt = { + // Bit-wise rotation left + rotl: function(n, b) { + return (n << b) | (n >>> (32 - b)); + }, + + // Bit-wise rotation right + rotr: function(n, b) { + return (n << (32 - b)) | (n >>> b); + }, + + // Swap big-endian to little-endian and vice versa + endian: function(n) { + // If number given, swap endian + if (n.constructor == Number) { + return crypt.rotl(n, 8) & 0x00FF00FF | crypt.rotl(n, 24) & 0xFF00FF00; + } + + // Else, assume array and swap all items + for (var i = 0; i < n.length; i++) + n[i] = crypt.endian(n[i]); + return n; + }, + + // Generate an array of any length of random bytes + randomBytes: function(n) { + for (var bytes = []; n > 0; n--) + bytes.push(Math.floor(Math.random() * 256)); + return bytes; + }, + + // Convert a byte array to big-endian 32-bit words + bytesToWords: function(bytes) { + for (var words = [], i = 0, b = 0; i < bytes.length; i++, b += 8) + words[b >>> 5] |= bytes[i] << (24 - b % 32); + return words; + }, + + // Convert big-endian 32-bit words to a byte array + wordsToBytes: function(words) { + for (var bytes = [], b = 0; b < words.length * 32; b += 8) + bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF); + return bytes; + }, + + // Convert a byte array to a hex string + bytesToHex: function(bytes) { + for (var hex = [], i = 0; i < bytes.length; i++) { + hex.push((bytes[i] >>> 4).toString(16)); + hex.push((bytes[i] & 0xF).toString(16)); + } + return hex.join(''); + }, + + // Convert a hex string to a byte array + hexToBytes: function(hex) { + for (var bytes = [], c = 0; c < hex.length; c += 2) + bytes.push(parseInt(hex.substr(c, 2), 16)); + return bytes; + }, + + // Convert a byte array to a base-64 string + bytesToBase64: function(bytes) { + for (var base64 = [], i = 0; i < bytes.length; i += 3) { + var triplet = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2]; + for (var j = 0; j < 4; j++) + if (i * 8 + j * 6 <= bytes.length * 8) + base64.push(base64map.charAt((triplet >>> 6 * (3 - j)) & 0x3F)); + else + base64.push('='); + } + return base64.join(''); + }, + + // Convert a base-64 string to a byte array + base64ToBytes: function(base64) { + // Remove non-base-64 characters + base64 = base64.replace(/[^A-Z0-9+\/]/ig, ''); + + for (var bytes = [], i = 0, imod4 = 0; i < base64.length; + imod4 = ++i % 4) { + if (imod4 == 0) continue; + bytes.push(((base64map.indexOf(base64.charAt(i - 1)) + & (Math.pow(2, -2 * imod4 + 8) - 1)) << (imod4 * 2)) + | (base64map.indexOf(base64.charAt(i)) >>> (6 - imod4 * 2))); + } + return bytes; + } + }; + + module.exports = crypt; +})(); + + +/***/ }), + +/***/ 646: +/***/ (function(module, exports) { + +/*! + * Determine if an object is a Buffer + * + * @author Feross Aboukhadijeh <https://feross.org> + * @license MIT + */ + +// The _isBuffer check is for Safari 5-7 support, because it's missing +// Object.prototype.constructor. Remove this eventually +module.exports = function (obj) { + return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer) +} + +function isBuffer (obj) { + return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj) +} + +// For Node v0.10 support. Remove this eventually. +function isSlowBuffer (obj) { + return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0)) +} + + +/***/ }), + +/***/ 702: +/***/ (function(module, exports, __webpack_require__) { + +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ + +const base64VLQ = __webpack_require__(703); +const util = __webpack_require__(609); +const ArraySet = __webpack_require__(704).ArraySet; +const MappingList = __webpack_require__(915).MappingList; + +/** + * An instance of the SourceMapGenerator represents a source map which is + * being built incrementally. You may pass an object with the following + * properties: + * + * - file: The filename of the generated source. + * - sourceRoot: A root for all relative URLs in this source map. + */ +class SourceMapGenerator { + constructor(aArgs) { + if (!aArgs) { + aArgs = {}; + } + this._file = util.getArg(aArgs, "file", null); + this._sourceRoot = util.getArg(aArgs, "sourceRoot", null); + this._skipValidation = util.getArg(aArgs, "skipValidation", false); + this._sources = new ArraySet(); + this._names = new ArraySet(); + this._mappings = new MappingList(); + this._sourcesContents = null; + } + + /** + * Creates a new SourceMapGenerator based on a SourceMapConsumer + * + * @param aSourceMapConsumer The SourceMap. + */ + static fromSourceMap(aSourceMapConsumer) { + const sourceRoot = aSourceMapConsumer.sourceRoot; + const generator = new SourceMapGenerator({ + file: aSourceMapConsumer.file, + sourceRoot + }); + aSourceMapConsumer.eachMapping(function(mapping) { + const newMapping = { + generated: { + line: mapping.generatedLine, + column: mapping.generatedColumn + } + }; + + if (mapping.source != null) { + newMapping.source = mapping.source; + if (sourceRoot != null) { + newMapping.source = util.relative(sourceRoot, newMapping.source); + } + + newMapping.original = { + line: mapping.originalLine, + column: mapping.originalColumn + }; + + if (mapping.name != null) { + newMapping.name = mapping.name; + } + } + + generator.addMapping(newMapping); + }); + aSourceMapConsumer.sources.forEach(function(sourceFile) { + let sourceRelative = sourceFile; + if (sourceRoot !== null) { + sourceRelative = util.relative(sourceRoot, sourceFile); + } + + if (!generator._sources.has(sourceRelative)) { + generator._sources.add(sourceRelative); + } + + const content = aSourceMapConsumer.sourceContentFor(sourceFile); + if (content != null) { + generator.setSourceContent(sourceFile, content); + } + }); + return generator; + } + + /** + * Add a single mapping from original source line and column to the generated + * source's line and column for this source map being created. The mapping + * object should have the following properties: + * + * - generated: An object with the generated line and column positions. + * - original: An object with the original line and column positions. + * - source: The original source file (relative to the sourceRoot). + * - name: An optional original token name for this mapping. + */ + addMapping(aArgs) { + const generated = util.getArg(aArgs, "generated"); + const original = util.getArg(aArgs, "original", null); + let source = util.getArg(aArgs, "source", null); + let name = util.getArg(aArgs, "name", null); + + if (!this._skipValidation) { + this._validateMapping(generated, original, source, name); + } + + if (source != null) { + source = String(source); + if (!this._sources.has(source)) { + this._sources.add(source); + } + } + + if (name != null) { + name = String(name); + if (!this._names.has(name)) { + this._names.add(name); + } + } + + this._mappings.add({ + generatedLine: generated.line, + generatedColumn: generated.column, + originalLine: original != null && original.line, + originalColumn: original != null && original.column, + source, + name + }); + } + + /** + * Set the source content for a source file. + */ + setSourceContent(aSourceFile, aSourceContent) { + let source = aSourceFile; + if (this._sourceRoot != null) { + source = util.relative(this._sourceRoot, source); + } + + if (aSourceContent != null) { + // Add the source content to the _sourcesContents map. + // Create a new _sourcesContents map if the property is null. + if (!this._sourcesContents) { + this._sourcesContents = Object.create(null); + } + this._sourcesContents[util.toSetString(source)] = aSourceContent; + } else if (this._sourcesContents) { + // Remove the source file from the _sourcesContents map. + // If the _sourcesContents map is empty, set the property to null. + delete this._sourcesContents[util.toSetString(source)]; + if (Object.keys(this._sourcesContents).length === 0) { + this._sourcesContents = null; + } + } + } + + /** + * Applies the mappings of a sub-source-map for a specific source file to the + * source map being generated. Each mapping to the supplied source file is + * rewritten using the supplied source map. Note: The resolution for the + * resulting mappings is the minimium of this map and the supplied map. + * + * @param aSourceMapConsumer The source map to be applied. + * @param aSourceFile Optional. The filename of the source file. + * If omitted, SourceMapConsumer's file property will be used. + * @param aSourceMapPath Optional. The dirname of the path to the source map + * to be applied. If relative, it is relative to the SourceMapConsumer. + * This parameter is needed when the two source maps aren't in the same + * directory, and the source map to be applied contains relative source + * paths. If so, those relative source paths need to be rewritten + * relative to the SourceMapGenerator. + */ + applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) { + let sourceFile = aSourceFile; + // If aSourceFile is omitted, we will use the file property of the SourceMap + if (aSourceFile == null) { + if (aSourceMapConsumer.file == null) { + throw new Error( + "SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, " + + 'or the source map\'s "file" property. Both were omitted.' + ); + } + sourceFile = aSourceMapConsumer.file; + } + const sourceRoot = this._sourceRoot; + // Make "sourceFile" relative if an absolute Url is passed. + if (sourceRoot != null) { + sourceFile = util.relative(sourceRoot, sourceFile); + } + // Applying the SourceMap can add and remove items from the sources and + // the names array. + const newSources = this._mappings.toArray().length > 0 + ? new ArraySet() + : this._sources; + const newNames = new ArraySet(); + + // Find mappings for the "sourceFile" + this._mappings.unsortedForEach(function(mapping) { + if (mapping.source === sourceFile && mapping.originalLine != null) { + // Check if it can be mapped by the source map, then update the mapping. + const original = aSourceMapConsumer.originalPositionFor({ + line: mapping.originalLine, + column: mapping.originalColumn + }); + if (original.source != null) { + // Copy mapping + mapping.source = original.source; + if (aSourceMapPath != null) { + mapping.source = util.join(aSourceMapPath, mapping.source); + } + if (sourceRoot != null) { + mapping.source = util.relative(sourceRoot, mapping.source); + } + mapping.originalLine = original.line; + mapping.originalColumn = original.column; + if (original.name != null) { + mapping.name = original.name; + } + } + } + + const source = mapping.source; + if (source != null && !newSources.has(source)) { + newSources.add(source); + } + + const name = mapping.name; + if (name != null && !newNames.has(name)) { + newNames.add(name); + } + + }, this); + this._sources = newSources; + this._names = newNames; + + // Copy sourcesContents of applied map. + aSourceMapConsumer.sources.forEach(function(srcFile) { + const content = aSourceMapConsumer.sourceContentFor(srcFile); + if (content != null) { + if (aSourceMapPath != null) { + srcFile = util.join(aSourceMapPath, srcFile); + } + if (sourceRoot != null) { + srcFile = util.relative(sourceRoot, srcFile); + } + this.setSourceContent(srcFile, content); + } + }, this); + } + + /** + * A mapping can have one of the three levels of data: + * + * 1. Just the generated position. + * 2. The Generated position, original position, and original source. + * 3. Generated and original position, original source, as well as a name + * token. + * + * To maintain consistency, we validate that any new mapping being added falls + * in to one of these categories. + */ + _validateMapping(aGenerated, aOriginal, aSource, aName) { + // When aOriginal is truthy but has empty values for .line and .column, + // it is most likely a programmer error. In this case we throw a very + // specific error message to try to guide them the right way. + // For example: https://github.com/Polymer/polymer-bundler/pull/519 + if (aOriginal && typeof aOriginal.line !== "number" && typeof aOriginal.column !== "number") { + throw new Error( + "original.line and original.column are not numbers -- you probably meant to omit " + + "the original mapping entirely and only map the generated position. If so, pass " + + "null for the original mapping instead of an object with empty or null values." + ); + } + + if (aGenerated && "line" in aGenerated && "column" in aGenerated + && aGenerated.line > 0 && aGenerated.column >= 0 + && !aOriginal && !aSource && !aName) { + // Case 1. + + } else if (aGenerated && "line" in aGenerated && "column" in aGenerated + && aOriginal && "line" in aOriginal && "column" in aOriginal + && aGenerated.line > 0 && aGenerated.column >= 0 + && aOriginal.line > 0 && aOriginal.column >= 0 + && aSource) { + // Cases 2 and 3. + + } else { + throw new Error("Invalid mapping: " + JSON.stringify({ + generated: aGenerated, + source: aSource, + original: aOriginal, + name: aName + })); + } + } + + /** + * Serialize the accumulated mappings in to the stream of base 64 VLQs + * specified by the source map format. + */ + _serializeMappings() { + let previousGeneratedColumn = 0; + let previousGeneratedLine = 1; + let previousOriginalColumn = 0; + let previousOriginalLine = 0; + let previousName = 0; + let previousSource = 0; + let result = ""; + let next; + let mapping; + let nameIdx; + let sourceIdx; + + const mappings = this._mappings.toArray(); + for (let i = 0, len = mappings.length; i < len; i++) { + mapping = mappings[i]; + next = ""; + + if (mapping.generatedLine !== previousGeneratedLine) { + previousGeneratedColumn = 0; + while (mapping.generatedLine !== previousGeneratedLine) { + next += ";"; + previousGeneratedLine++; + } + } else if (i > 0) { + if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) { + continue; + } + next += ","; + } + + next += base64VLQ.encode(mapping.generatedColumn + - previousGeneratedColumn); + previousGeneratedColumn = mapping.generatedColumn; + + if (mapping.source != null) { + sourceIdx = this._sources.indexOf(mapping.source); + next += base64VLQ.encode(sourceIdx - previousSource); + previousSource = sourceIdx; + + // lines are stored 0-based in SourceMap spec version 3 + next += base64VLQ.encode(mapping.originalLine - 1 + - previousOriginalLine); + previousOriginalLine = mapping.originalLine - 1; + + next += base64VLQ.encode(mapping.originalColumn + - previousOriginalColumn); + previousOriginalColumn = mapping.originalColumn; + + if (mapping.name != null) { + nameIdx = this._names.indexOf(mapping.name); + next += base64VLQ.encode(nameIdx - previousName); + previousName = nameIdx; + } + } + + result += next; + } + + return result; + } + + _generateSourcesContent(aSources, aSourceRoot) { + return aSources.map(function(source) { + if (!this._sourcesContents) { + return null; + } + if (aSourceRoot != null) { + source = util.relative(aSourceRoot, source); + } + const key = util.toSetString(source); + return Object.prototype.hasOwnProperty.call(this._sourcesContents, key) + ? this._sourcesContents[key] + : null; + }, this); + } + + /** + * Externalize the source map. + */ + toJSON() { + const map = { + version: this._version, + sources: this._sources.toArray(), + names: this._names.toArray(), + mappings: this._serializeMappings() + }; + if (this._file != null) { + map.file = this._file; + } + if (this._sourceRoot != null) { + map.sourceRoot = this._sourceRoot; + } + if (this._sourcesContents) { + map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot); + } + + return map; + } + + /** + * Render the source map being generated to a string. + */ + toString() { + return JSON.stringify(this.toJSON()); + } +} + +SourceMapGenerator.prototype._version = 3; +exports.SourceMapGenerator = SourceMapGenerator; + + +/***/ }), + +/***/ 703: +/***/ (function(module, exports, __webpack_require__) { + +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + * + * Based on the Base 64 VLQ implementation in Closure Compiler: + * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java + * + * Copyright 2011 The Closure Compiler Authors. All rights reserved. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +const base64 = __webpack_require__(913); + +// A single base 64 digit can contain 6 bits of data. For the base 64 variable +// length quantities we use in the source map spec, the first bit is the sign, +// the next four bits are the actual value, and the 6th bit is the +// continuation bit. The continuation bit tells us whether there are more +// digits in this value following this digit. +// +// Continuation +// | Sign +// | | +// V V +// 101011 + +const VLQ_BASE_SHIFT = 5; + +// binary: 100000 +const VLQ_BASE = 1 << VLQ_BASE_SHIFT; + +// binary: 011111 +const VLQ_BASE_MASK = VLQ_BASE - 1; + +// binary: 100000 +const VLQ_CONTINUATION_BIT = VLQ_BASE; + +/** + * Converts from a two-complement value to a value where the sign bit is + * placed in the least significant bit. For example, as decimals: + * 1 becomes 2 (10 binary), -1 becomes 3 (11 binary) + * 2 becomes 4 (100 binary), -2 becomes 5 (101 binary) + */ +function toVLQSigned(aValue) { + return aValue < 0 + ? ((-aValue) << 1) + 1 + : (aValue << 1) + 0; +} + +/** + * Converts to a two-complement value from a value where the sign bit is + * placed in the least significant bit. For example, as decimals: + * 2 (10 binary) becomes 1, 3 (11 binary) becomes -1 + * 4 (100 binary) becomes 2, 5 (101 binary) becomes -2 + */ +// eslint-disable-next-line no-unused-vars +function fromVLQSigned(aValue) { + const isNegative = (aValue & 1) === 1; + const shifted = aValue >> 1; + return isNegative + ? -shifted + : shifted; +} + +/** + * Returns the base 64 VLQ encoded value. + */ +exports.encode = function base64VLQ_encode(aValue) { + let encoded = ""; + let digit; + + let vlq = toVLQSigned(aValue); + + do { + digit = vlq & VLQ_BASE_MASK; + vlq >>>= VLQ_BASE_SHIFT; + if (vlq > 0) { + // There are still more digits in this value, so we must make sure the + // continuation bit is marked. + digit |= VLQ_CONTINUATION_BIT; + } + encoded += base64.encode(digit); + } while (vlq > 0); + + return encoded; +}; + + +/***/ }), + +/***/ 704: +/***/ (function(module, exports) { + +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ + +/** + * A data structure which is a combination of an array and a set. Adding a new + * member is O(1), testing for membership is O(1), and finding the index of an + * element is O(1). Removing elements from the set is not supported. Only + * strings are supported for membership. + */ +class ArraySet { + constructor() { + this._array = []; + this._set = new Map(); + } + + /** + * Static method for creating ArraySet instances from an existing array. + */ + static fromArray(aArray, aAllowDuplicates) { + const set = new ArraySet(); + for (let i = 0, len = aArray.length; i < len; i++) { + set.add(aArray[i], aAllowDuplicates); + } + return set; + } + + /** + * Return how many unique items are in this ArraySet. If duplicates have been + * added, than those do not count towards the size. + * + * @returns Number + */ + size() { + return this._set.size; + } + + /** + * Add the given string to this set. + * + * @param String aStr + */ + add(aStr, aAllowDuplicates) { + const isDuplicate = this.has(aStr); + const idx = this._array.length; + if (!isDuplicate || aAllowDuplicates) { + this._array.push(aStr); + } + if (!isDuplicate) { + this._set.set(aStr, idx); + } + } + + /** + * Is the given string a member of this set? + * + * @param String aStr + */ + has(aStr) { + return this._set.has(aStr); + } + + /** + * What is the index of the given string in the array? + * + * @param String aStr + */ + indexOf(aStr) { + const idx = this._set.get(aStr); + if (idx >= 0) { + return idx; + } + throw new Error('"' + aStr + '" is not in the set.'); + } + + /** + * What is the element at the given index? + * + * @param Number aIdx + */ + at(aIdx) { + if (aIdx >= 0 && aIdx < this._array.length) { + return this._array[aIdx]; + } + throw new Error("No element indexed by " + aIdx); + } + + /** + * Returns the array representation of this set (which has the proper indices + * indicated by indexOf). Note that this is a copy of the internal array used + * for storing the members so that no one can mess with internal state. + */ + toArray() { + return this._array.slice(); + } +} +exports.ArraySet = ArraySet; + + +/***/ }), + +/***/ 705: +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; + + +let mappingsWasm = null; + +module.exports = function readWasm() { + if (typeof mappingsWasm === "string") { + return fetch(mappingsWasm) + .then(response => response.arrayBuffer()); + } + if (mappingsWasm instanceof ArrayBuffer) { + return Promise.resolve(mappingsWasm); + } + + throw new Error("You must provide the string URL or ArrayBuffer contents " + + "of lib/mappings.wasm by calling " + + "SourceMapConsumer.initialize({ 'lib/mappings.wasm': ... }) " + + "before using SourceMapConsumer"); +}; + +module.exports.initialize = input => { + mappingsWasm = input; +}; + + +/***/ }), + +/***/ 706: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +const { + SourceMapConsumer +} = __webpack_require__(608); + +async function createConsumer(map, sourceMapUrl) { + return new SourceMapConsumer(map, sourceMapUrl); +} + +module.exports = { + createConsumer +}; + +/***/ }), + +/***/ 707: +/***/ (function(module, exports) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +let root; + +function setAssetRootURL(assetRoot) { + root = assetRoot; +} + +async function getDwarfToWasmData(name) { + if (!root) { + throw new Error(`No wasm path - Unable to resolve ${name}`); + } + + const response = await fetch(`${root}/dwarf_to_json.wasm`); + return response.arrayBuffer(); +} + +module.exports = { + setAssetRootURL, + getDwarfToWasmData +}; + +/***/ }), + +/***/ 910: +/***/ (function(module, exports, __webpack_require__) { + +module.exports = __webpack_require__(911); + + +/***/ }), + +/***/ 911: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +const { + getOriginalURLs, + hasOriginalURL, + getOriginalRanges, + getGeneratedRanges, + getGeneratedLocation, + getAllGeneratedLocations, + getOriginalLocation, + getOriginalLocations, + getOriginalSourceText, + getGeneratedRangesForOriginal, + getFileGeneratedRange, + clearSourceMaps, + applySourceMap +} = __webpack_require__(912); + +const { + getOriginalStackFrames +} = __webpack_require__(926); + +const { + setAssetRootURL +} = __webpack_require__(927); + +const { + workerUtils: { + workerHandler + } +} = __webpack_require__(560); // The interface is implemented in source-map to be +// easier to unit test. + + +self.onmessage = workerHandler({ + setAssetRootURL, + getOriginalURLs, + hasOriginalURL, + getOriginalRanges, + getGeneratedRanges, + getGeneratedLocation, + getAllGeneratedLocations, + getOriginalLocation, + getOriginalLocations, + getOriginalSourceText, + getOriginalStackFrames, + getGeneratedRangesForOriginal, + getFileGeneratedRange, + applySourceMap, + clearSourceMaps +}); + +/***/ }), + +/***/ 912: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ + +/** + * Source Map Worker + * @module utils/source-map-worker + */ +const { + networkRequest +} = __webpack_require__(560); + +const { + SourceMapConsumer, + SourceMapGenerator +} = __webpack_require__(608); + +const { + createConsumer +} = __webpack_require__(706); + +const assert = __webpack_require__(920); + +const { + fetchSourceMap, + hasOriginalURL, + clearOriginalURLs +} = __webpack_require__(921); + +const { + getSourceMap, + getSourceMapWithMetadata, + setSourceMap, + clearSourceMaps: clearSourceMapsRequests +} = __webpack_require__(643); + +const { + originalToGeneratedId, + generatedToOriginalId, + isGeneratedId, + isOriginalId, + getContentType +} = __webpack_require__(584); + +const { + clearWasmXScopes +} = __webpack_require__(610); + +async function getOriginalURLs(generatedSource) { + await fetchSourceMap(generatedSource); + const data = await getSourceMapWithMetadata(generatedSource.id); + return data ? data.sources : null; +} + +const COMPUTED_SPANS = new WeakSet(); +const SOURCE_MAPPINGS = new WeakMap(); + +async function getOriginalRanges(sourceId) { + if (!isOriginalId(sourceId)) { + return []; + } + + const generatedSourceId = originalToGeneratedId(sourceId); + const data = await getSourceMapWithMetadata(generatedSourceId); + + if (!data) { + return []; + } + + const { + map + } = data; + const url = data.urlsById.get(sourceId); + let mappings = SOURCE_MAPPINGS.get(map); + + if (!mappings) { + mappings = new Map(); + SOURCE_MAPPINGS.set(map, mappings); + } + + let fileMappings = mappings.get(url); + + if (!fileMappings) { + fileMappings = []; + mappings.set(url, fileMappings); + const originalMappings = fileMappings; + map.eachMapping(mapping => { + if (mapping.source !== url) { + return; + } + + const last = originalMappings[originalMappings.length - 1]; + + if (last && last.line === mapping.originalLine) { + if (last.columnStart < mapping.originalColumn) { + last.columnEnd = mapping.originalColumn; + } else { + // Skip this duplicate original location, + return; + } + } + + originalMappings.push({ + line: mapping.originalLine, + columnStart: mapping.originalColumn, + columnEnd: Infinity + }); + }, null, SourceMapConsumer.ORIGINAL_ORDER); + } + + return fileMappings; +} +/** + * Given an original location, find the ranges on the generated file that + * are mapped from the original range containing the location. + */ + + +async function getGeneratedRanges(location) { + if (!isOriginalId(location.sourceId)) { + return []; + } + + const generatedSourceId = originalToGeneratedId(location.sourceId); + const data = await getSourceMapWithMetadata(generatedSourceId); + + if (!data) { + return []; + } + + const { + urlsById, + map + } = data; + + if (!COMPUTED_SPANS.has(map)) { + COMPUTED_SPANS.add(map); + map.computeColumnSpans(); + } // We want to use 'allGeneratedPositionsFor' to get the _first_ generated + // location, but it hard-codes SourceMapConsumer.LEAST_UPPER_BOUND as the + // bias, making it search in the wrong direction for this usecase. + // To work around this, we use 'generatedPositionFor' and then look up the + // exact original location, making any bias value unnecessary, and then + // use that location for the call to 'allGeneratedPositionsFor'. + + + const genPos = map.generatedPositionFor({ + source: urlsById.get(location.sourceId), + line: location.line, + column: location.column == null ? 0 : location.column, + bias: SourceMapConsumer.GREATEST_LOWER_BOUND + }); + + if (genPos.line === null) { + return []; + } + + const positions = map.allGeneratedPositionsFor(map.originalPositionFor({ + line: genPos.line, + column: genPos.column + })); + return positions.map(mapping => ({ + line: mapping.line, + columnStart: mapping.column, + columnEnd: mapping.lastColumn + })).sort((a, b) => { + const line = a.line - b.line; + return line === 0 ? a.column - b.column : line; + }); +} + +async function getGeneratedLocation(location) { + if (!isOriginalId(location.sourceId)) { + return location; + } + + const generatedSourceId = originalToGeneratedId(location.sourceId); + const data = await getSourceMapWithMetadata(generatedSourceId); + + if (!data) { + return location; + } + + const { + urlsById, + map + } = data; + const positions = map.allGeneratedPositionsFor({ + source: urlsById.get(location.sourceId), + line: location.line, + column: location.column == null ? 0 : location.column + }); // Prior to source-map 0.7, the source-map module returned the earliest + // generated location in the file when there were multiple generated + // locations. The current comparison fn in 0.7 does not appear to take + // generated location into account properly. + + let match; + + for (const pos of positions) { + if (!match || pos.line < match.line || pos.column < match.column) { + match = pos; + } + } + + if (!match) { + match = map.generatedPositionFor({ + source: urlsById.get(location.sourceId), + line: location.line, + column: location.column == null ? 0 : location.column, + bias: SourceMapConsumer.LEAST_UPPER_BOUND + }); + } + + return { + sourceId: generatedSourceId, + line: match.line, + column: match.column + }; +} + +async function getAllGeneratedLocations(location) { + if (!isOriginalId(location.sourceId)) { + return []; + } + + const generatedSourceId = originalToGeneratedId(location.sourceId); + const data = await getSourceMapWithMetadata(generatedSourceId); + + if (!data) { + return []; + } + + const { + urlsById, + map + } = data; + const positions = map.allGeneratedPositionsFor({ + source: urlsById.get(location.sourceId), + line: location.line, + column: location.column == null ? 0 : location.column + }); + return positions.map(({ + line, + column + }) => ({ + sourceId: generatedSourceId, + line, + column + })); +} + +async function getOriginalLocations(locations, options = {}) { + const maps = {}; + const results = []; + + for (const location of locations) { + let map = maps[location.sourceId]; + + if (map === undefined) { + map = await getSourceMap(location.sourceId); + maps[location.sourceId] = map || null; + } + + results.push(map ? getOriginalLocationSync(map, location, options) : location); + } + + return results; +} + +function getOriginalLocationSync(map, location, { + search +} = {}) { + // First check for an exact match + let match = map.originalPositionFor({ + line: location.line, + column: location.column == null ? 0 : location.column + }); // If there is not an exact match, look for a match with a bias at the + // current location and then on subsequent lines + + if (search) { + let line = location.line; + let column = location.column == null ? 0 : location.column; + + while (match.source === null) { + match = map.originalPositionFor({ + line, + column, + bias: SourceMapConsumer[search] + }); + line += search == "LEAST_UPPER_BOUND" ? 1 : -1; + column = search == "LEAST_UPPER_BOUND" ? 0 : Infinity; + } + } + + const { + source: sourceUrl, + line, + column + } = match; + + if (sourceUrl == null) { + // No url means the location didn't map. + return location; + } + + return { + sourceId: generatedToOriginalId(location.sourceId, sourceUrl), + sourceUrl, + line, + column + }; +} + +async function getOriginalLocation(location, options = {}) { + if (!isGeneratedId(location.sourceId)) { + return location; + } + + const map = await getSourceMap(location.sourceId); + + if (!map) { + return location; + } + + return getOriginalLocationSync(map, location, options); +} + +async function getOriginalSourceText(originalSourceId) { + assert(isOriginalId(originalSourceId), "Source is not an original source"); + const generatedSourceId = originalToGeneratedId(originalSourceId); + const data = await getSourceMapWithMetadata(generatedSourceId); + + if (!data) { + return null; + } + + const { + urlsById, + map + } = data; + const url = urlsById.get(originalSourceId); + let text = map.sourceContentFor(url, true); + + if (!text) { + try { + const response = await networkRequest(url, { + loadFromCache: false + }); + text = response.content; + } catch (err) { + // Wrapper logic renders a notification about the specific URL that + // failed to load, so we include it in the error metadata. + err.metadata = { ...err.metadata, + url + }; + throw err; + } + } + + return { + text, + contentType: getContentType(url || "") + }; +} +/** + * Find the set of ranges on the generated file that map from the original + * file's locations. + * + * @param sourceId - The original ID of the file we are processing. + * @param url - The original URL of the file we are processing. + * @param mergeUnmappedRegions - If unmapped regions are encountered between + * two mappings for the given original file, allow the two mappings to be + * merged anyway. This is useful if you are more interested in the general + * contiguous ranges associated with a file, rather than the specifics of + * the ranges provided by the sourcemap. + */ + + +const GENERATED_MAPPINGS = new WeakMap(); + +async function getGeneratedRangesForOriginal(sourceId, mergeUnmappedRegions = false) { + assert(isOriginalId(sourceId), "Source is not an original source"); + const data = await getSourceMapWithMetadata(originalToGeneratedId(sourceId)); // NOTE: this is only needed for Flow + + if (!data) { + return []; + } + + const { + urlsById, + map + } = data; + const url = urlsById.get(sourceId); + + if (!COMPUTED_SPANS.has(map)) { + COMPUTED_SPANS.add(map); + map.computeColumnSpans(); + } + + if (!GENERATED_MAPPINGS.has(map)) { + GENERATED_MAPPINGS.set(map, new Map()); + } + + const generatedRangesMap = GENERATED_MAPPINGS.get(map); + + if (!generatedRangesMap) { + return []; + } + + if (generatedRangesMap.has(sourceId)) { + // NOTE we need to coerce the result to an array for Flow + return generatedRangesMap.get(sourceId) || []; + } // Gather groups of mappings on the generated file, with new groups created + // if we cross a mapping for a different file. + + + let currentGroup = []; + const originalGroups = [currentGroup]; + map.eachMapping(mapping => { + if (mapping.source === url) { + currentGroup.push({ + start: { + line: mapping.generatedLine, + column: mapping.generatedColumn + }, + end: { + line: mapping.generatedLine, + // The lastGeneratedColumn value is an inclusive value so we add + // one to it to get the exclusive end position. + column: mapping.lastGeneratedColumn + 1 + } + }); + } else if (typeof mapping.source === "string" && currentGroup.length > 0) { + // If there is a URL, but it is for a _different_ file, we create a + // new group of mappings so that we can tell + currentGroup = []; + originalGroups.push(currentGroup); + } + }, null, SourceMapConsumer.GENERATED_ORDER); + const generatedMappingsForOriginal = []; + + if (mergeUnmappedRegions) { + // If we don't care about excluding unmapped regions, then we just need to + // create a range that is the fully encompasses each group, ignoring the + // empty space between each individual range. + for (const group of originalGroups) { + if (group.length > 0) { + generatedMappingsForOriginal.push({ + start: group[0].start, + end: group[group.length - 1].end + }); + } + } + } else { + let lastEntry; + + for (const group of originalGroups) { + lastEntry = null; + + for (const { + start, + end + } of group) { + const lastEnd = lastEntry ? wrappedMappingPosition(lastEntry.end) : null; // If this entry comes immediately after the previous one, extend the + // range of the previous entry instead of adding a new one. + + if (lastEntry && lastEnd && lastEnd.line === start.line && lastEnd.column === start.column) { + lastEntry.end = end; + } else { + const newEntry = { + start, + end + }; + generatedMappingsForOriginal.push(newEntry); + lastEntry = newEntry; + } + } + } + } + + generatedRangesMap.set(sourceId, generatedMappingsForOriginal); + return generatedMappingsForOriginal; +} + +function wrappedMappingPosition(pos) { + if (pos.column !== Infinity) { + return pos; + } // If the end of the entry consumes the whole line, treat it as wrapping to + // the next line. + + + return { + line: pos.line + 1, + column: 0 + }; +} + +async function getFileGeneratedRange(originalSourceId) { + assert(isOriginalId(originalSourceId), "Source is not an original source"); + const data = await getSourceMapWithMetadata(originalToGeneratedId(originalSourceId)); + + if (!data) { + return; + } + + const { + urlsById, + map + } = data; + const start = map.generatedPositionFor({ + source: urlsById.get(originalSourceId), + line: 1, + column: 0, + bias: SourceMapConsumer.LEAST_UPPER_BOUND + }); + const end = map.generatedPositionFor({ + source: urlsById.get(originalSourceId), + line: Number.MAX_SAFE_INTEGER, + column: Number.MAX_SAFE_INTEGER, + bias: SourceMapConsumer.GREATEST_LOWER_BOUND + }); + return { + start, + end + }; +} + +function applySourceMap(generatedId, url, code, mappings) { + const generator = new SourceMapGenerator({ + file: url + }); + mappings.forEach(mapping => generator.addMapping(mapping)); + generator.setSourceContent(url, code); + const map = createConsumer(generator.toJSON()); + setSourceMap(generatedId, Promise.resolve(map)); +} + +function clearSourceMaps() { + clearSourceMapsRequests(); + clearWasmXScopes(); + clearOriginalURLs(); +} + +module.exports = { + getOriginalURLs, + hasOriginalURL, + getOriginalRanges, + getGeneratedRanges, + getGeneratedLocation, + getAllGeneratedLocations, + getOriginalLocation, + getOriginalLocations, + getOriginalSourceText, + getGeneratedRangesForOriginal, + getFileGeneratedRange, + applySourceMap, + clearSourceMaps +}; + +/***/ }), + +/***/ 913: +/***/ (function(module, exports) { + +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ + +const intToCharMap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split(""); + +/** + * Encode an integer in the range of 0 to 63 to a single base 64 digit. + */ +exports.encode = function(number) { + if (0 <= number && number < intToCharMap.length) { + return intToCharMap[number]; + } + throw new TypeError("Must be between 0 and 63: " + number); +}; + + +/***/ }), + +/***/ 914: +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ + + +/** + * Browser 'URL' implementations have been found to handle non-standard URL + * schemes poorly, and schemes like + * + * webpack:///src/folder/file.js + * + * are very common in source maps. For the time being we use a JS + * implementation in these contexts instead. See + * + * * https://bugzilla.mozilla.org/show_bug.cgi?id=1374505 + * * https://bugs.chromium.org/p/chromium/issues/detail?id=734880 + */ +module.exports = __webpack_require__(533).URL; + + +/***/ }), + +/***/ 915: +/***/ (function(module, exports, __webpack_require__) { + +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2014 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ + +const util = __webpack_require__(609); + +/** + * Determine whether mappingB is after mappingA with respect to generated + * position. + */ +function generatedPositionAfter(mappingA, mappingB) { + // Optimized for most common case + const lineA = mappingA.generatedLine; + const lineB = mappingB.generatedLine; + const columnA = mappingA.generatedColumn; + const columnB = mappingB.generatedColumn; + return lineB > lineA || lineB == lineA && columnB >= columnA || + util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0; +} + +/** + * A data structure to provide a sorted view of accumulated mappings in a + * performance conscious manner. It trades a negligible overhead in general + * case for a large speedup in case of mappings being added in order. + */ +class MappingList { + constructor() { + this._array = []; + this._sorted = true; + // Serves as infimum + this._last = {generatedLine: -1, generatedColumn: 0}; + } + + /** + * Iterate through internal items. This method takes the same arguments that + * `Array.prototype.forEach` takes. + * + * NOTE: The order of the mappings is NOT guaranteed. + */ + unsortedForEach(aCallback, aThisArg) { + this._array.forEach(aCallback, aThisArg); + } + + /** + * Add the given source mapping. + * + * @param Object aMapping + */ + add(aMapping) { + if (generatedPositionAfter(this._last, aMapping)) { + this._last = aMapping; + this._array.push(aMapping); + } else { + this._sorted = false; + this._array.push(aMapping); + } + } + + /** + * Returns the flat, sorted array of mappings. The mappings are sorted by + * generated position. + * + * WARNING: This method returns internal data without copying, for + * performance. The return value must NOT be mutated, and should be treated as + * an immutable borrow. If you want to take ownership, you must make your own + * copy. + */ + toArray() { + if (!this._sorted) { + this._array.sort(util.compareByGeneratedPositionsInflated); + this._sorted = true; + } + return this._array; + } +} + +exports.MappingList = MappingList; + + +/***/ }), + +/***/ 916: +/***/ (function(module, exports, __webpack_require__) { + +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ + +const util = __webpack_require__(609); +const binarySearch = __webpack_require__(917); +const ArraySet = __webpack_require__(704).ArraySet; +const base64VLQ = __webpack_require__(703); // eslint-disable-line no-unused-vars +const readWasm = __webpack_require__(705); +const wasm = __webpack_require__(918); + +const INTERNAL = Symbol("smcInternal"); + +class SourceMapConsumer { + constructor(aSourceMap, aSourceMapURL) { + // If the constructor was called by super(), just return Promise<this>. + // Yes, this is a hack to retain the pre-existing API of the base-class + // constructor also being an async factory function. + if (aSourceMap == INTERNAL) { + return Promise.resolve(this); + } + + return _factory(aSourceMap, aSourceMapURL); + } + + static initialize(opts) { + readWasm.initialize(opts["lib/mappings.wasm"]); + } + + static fromSourceMap(aSourceMap, aSourceMapURL) { + return _factoryBSM(aSourceMap, aSourceMapURL); + } + + /** + * Construct a new `SourceMapConsumer` from `rawSourceMap` and `sourceMapUrl` + * (see the `SourceMapConsumer` constructor for details. Then, invoke the `async + * function f(SourceMapConsumer) -> T` with the newly constructed consumer, wait + * for `f` to complete, call `destroy` on the consumer, and return `f`'s return + * value. + * + * You must not use the consumer after `f` completes! + * + * By using `with`, you do not have to remember to manually call `destroy` on + * the consumer, since it will be called automatically once `f` completes. + * + * ```js + * const xSquared = await SourceMapConsumer.with( + * myRawSourceMap, + * null, + * async function (consumer) { + * // Use `consumer` inside here and don't worry about remembering + * // to call `destroy`. + * + * const x = await whatever(consumer); + * return x * x; + * } + * ); + * + * // You may not use that `consumer` anymore out here; it has + * // been destroyed. But you can use `xSquared`. + * console.log(xSquared); + * ``` + */ + static async with(rawSourceMap, sourceMapUrl, f) { + const consumer = await new SourceMapConsumer(rawSourceMap, sourceMapUrl); + try { + return await f(consumer); + } finally { + consumer.destroy(); + } + } + + /** + * Iterate over each mapping between an original source/line/column and a + * generated line/column in this source map. + * + * @param Function aCallback + * The function that is called with each mapping. + * @param Object aContext + * Optional. If specified, this object will be the value of `this` every + * time that `aCallback` is called. + * @param aOrder + * Either `SourceMapConsumer.GENERATED_ORDER` or + * `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to + * iterate over the mappings sorted by the generated file's line/column + * order or the original's source/line/column order, respectively. Defaults to + * `SourceMapConsumer.GENERATED_ORDER`. + */ + eachMapping(aCallback, aContext, aOrder) { + throw new Error("Subclasses must implement eachMapping"); + } + + /** + * Returns all generated line and column information for the original source, + * line, and column provided. If no column is provided, returns all mappings + * corresponding to a either the line we are searching for or the next + * closest line that has any mappings. Otherwise, returns all mappings + * corresponding to the given line and either the column we are searching for + * or the next closest column that has any offsets. + * + * The only argument is an object with the following properties: + * + * - source: The filename of the original source. + * - line: The line number in the original source. The line number is 1-based. + * - column: Optional. the column number in the original source. + * The column number is 0-based. + * + * and an array of objects is returned, each with the following properties: + * + * - line: The line number in the generated source, or null. The + * line number is 1-based. + * - column: The column number in the generated source, or null. + * The column number is 0-based. + */ + allGeneratedPositionsFor(aArgs) { + throw new Error("Subclasses must implement allGeneratedPositionsFor"); + } + + destroy() { + throw new Error("Subclasses must implement destroy"); + } +} + +/** + * The version of the source mapping spec that we are consuming. + */ +SourceMapConsumer.prototype._version = 3; +SourceMapConsumer.GENERATED_ORDER = 1; +SourceMapConsumer.ORIGINAL_ORDER = 2; + +SourceMapConsumer.GREATEST_LOWER_BOUND = 1; +SourceMapConsumer.LEAST_UPPER_BOUND = 2; + +exports.SourceMapConsumer = SourceMapConsumer; + +/** + * A BasicSourceMapConsumer instance represents a parsed source map which we can + * query for information about the original file positions by giving it a file + * position in the generated source. + * + * The first parameter is the raw source map (either as a JSON string, or + * already parsed to an object). According to the spec, source maps have the + * following attributes: + * + * - version: Which version of the source map spec this map is following. + * - sources: An array of URLs to the original source files. + * - names: An array of identifiers which can be referenced by individual mappings. + * - sourceRoot: Optional. The URL root from which all sources are relative. + * - sourcesContent: Optional. An array of contents of the original source files. + * - mappings: A string of base64 VLQs which contain the actual mappings. + * - file: Optional. The generated file this source map is associated with. + * + * Here is an example source map, taken from the source map spec[0]: + * + * { + * version : 3, + * file: "out.js", + * sourceRoot : "", + * sources: ["foo.js", "bar.js"], + * names: ["src", "maps", "are", "fun"], + * mappings: "AA,AB;;ABCDE;" + * } + * + * The second parameter, if given, is a string whose value is the URL + * at which the source map was found. This URL is used to compute the + * sources array. + * + * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1# + */ +class BasicSourceMapConsumer extends SourceMapConsumer { + constructor(aSourceMap, aSourceMapURL) { + return super(INTERNAL).then(that => { + let sourceMap = aSourceMap; + if (typeof aSourceMap === "string") { + sourceMap = util.parseSourceMapInput(aSourceMap); + } + + const version = util.getArg(sourceMap, "version"); + const sources = util.getArg(sourceMap, "sources").map(String); + // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which + // requires the array) to play nice here. + const names = util.getArg(sourceMap, "names", []); + const sourceRoot = util.getArg(sourceMap, "sourceRoot", null); + const sourcesContent = util.getArg(sourceMap, "sourcesContent", null); + const mappings = util.getArg(sourceMap, "mappings"); + const file = util.getArg(sourceMap, "file", null); + + // Once again, Sass deviates from the spec and supplies the version as a + // string rather than a number, so we use loose equality checking here. + if (version != that._version) { + throw new Error("Unsupported version: " + version); + } + + that._sourceLookupCache = new Map(); + + // Pass `true` below to allow duplicate names and sources. While source maps + // are intended to be compressed and deduplicated, the TypeScript compiler + // sometimes generates source maps with duplicates in them. See Github issue + // #72 and bugzil.la/889492. + that._names = ArraySet.fromArray(names.map(String), true); + that._sources = ArraySet.fromArray(sources, true); + + that._absoluteSources = ArraySet.fromArray(that._sources.toArray().map(function(s) { + return util.computeSourceURL(sourceRoot, s, aSourceMapURL); + }), true); + + that.sourceRoot = sourceRoot; + that.sourcesContent = sourcesContent; + that._mappings = mappings; + that._sourceMapURL = aSourceMapURL; + that.file = file; + + that._computedColumnSpans = false; + that._mappingsPtr = 0; + that._wasm = null; + + return wasm().then(w => { + that._wasm = w; + return that; + }); + }); + } + + /** + * Utility function to find the index of a source. Returns -1 if not + * found. + */ + _findSourceIndex(aSource) { + // In the most common usecases, we'll be constantly looking up the index for the same source + // files, so we cache the index lookup to avoid constantly recomputing the full URLs. + const cachedIndex = this._sourceLookupCache.get(aSource); + if (typeof cachedIndex === "number") { + return cachedIndex; + } + + // Treat the source as map-relative overall by default. + const sourceAsMapRelative = util.computeSourceURL(null, aSource, this._sourceMapURL); + if (this._absoluteSources.has(sourceAsMapRelative)) { + const index = this._absoluteSources.indexOf(sourceAsMapRelative); + this._sourceLookupCache.set(aSource, index); + return index; + } + + // Fall back to treating the source as sourceRoot-relative. + const sourceAsSourceRootRelative = util.computeSourceURL(this.sourceRoot, aSource, this._sourceMapURL); + if (this._absoluteSources.has(sourceAsSourceRootRelative)) { + const index = this._absoluteSources.indexOf(sourceAsSourceRootRelative); + this._sourceLookupCache.set(aSource, index); + return index; + } + + // To avoid this cache growing forever, we do not cache lookup misses. + return -1; + } + + /** + * Create a BasicSourceMapConsumer from a SourceMapGenerator. + * + * @param SourceMapGenerator aSourceMap + * The source map that will be consumed. + * @param String aSourceMapURL + * The URL at which the source map can be found (optional) + * @returns BasicSourceMapConsumer + */ + static fromSourceMap(aSourceMap, aSourceMapURL) { + return new BasicSourceMapConsumer(aSourceMap.toString()); + } + + get sources() { + return this._absoluteSources.toArray(); + } + + _getMappingsPtr() { + if (this._mappingsPtr === 0) { + this._parseMappings(); + } + + return this._mappingsPtr; + } + + /** + * Parse the mappings in a string in to a data structure which we can easily + * query (the ordered arrays in the `this.__generatedMappings` and + * `this.__originalMappings` properties). + */ + _parseMappings() { + const aStr = this._mappings; + const size = aStr.length; + + const mappingsBufPtr = this._wasm.exports.allocate_mappings(size); + const mappingsBuf = new Uint8Array(this._wasm.exports.memory.buffer, mappingsBufPtr, size); + for (let i = 0; i < size; i++) { + mappingsBuf[i] = aStr.charCodeAt(i); + } + + const mappingsPtr = this._wasm.exports.parse_mappings(mappingsBufPtr); + + if (!mappingsPtr) { + const error = this._wasm.exports.get_last_error(); + let msg = `Error parsing mappings (code ${error}): `; + + // XXX: keep these error codes in sync with `fitzgen/source-map-mappings`. + switch (error) { + case 1: + msg += "the mappings contained a negative line, column, source index, or name index"; + break; + case 2: + msg += "the mappings contained a number larger than 2**32"; + break; + case 3: + msg += "reached EOF while in the middle of parsing a VLQ"; + break; + case 4: + msg += "invalid base 64 character while parsing a VLQ"; + break; + default: + msg += "unknown error code"; + break; + } + + throw new Error(msg); + } + + this._mappingsPtr = mappingsPtr; + } + + eachMapping(aCallback, aContext, aOrder) { + const context = aContext || null; + const order = aOrder || SourceMapConsumer.GENERATED_ORDER; + + this._wasm.withMappingCallback( + mapping => { + if (mapping.source !== null) { + mapping.source = this._absoluteSources.at(mapping.source); + + if (mapping.name !== null) { + mapping.name = this._names.at(mapping.name); + } + } + if (this._computedColumnSpans && mapping.lastGeneratedColumn === null) { + mapping.lastGeneratedColumn = Infinity; + } + + aCallback.call(context, mapping); + }, + () => { + switch (order) { + case SourceMapConsumer.GENERATED_ORDER: + this._wasm.exports.by_generated_location(this._getMappingsPtr()); + break; + case SourceMapConsumer.ORIGINAL_ORDER: + this._wasm.exports.by_original_location(this._getMappingsPtr()); + break; + default: + throw new Error("Unknown order of iteration."); + } + } + ); + } + + allGeneratedPositionsFor(aArgs) { + let source = util.getArg(aArgs, "source"); + const originalLine = util.getArg(aArgs, "line"); + const originalColumn = aArgs.column || 0; + + source = this._findSourceIndex(source); + if (source < 0) { + return []; + } + + if (originalLine < 1) { + throw new Error("Line numbers must be >= 1"); + } + + if (originalColumn < 0) { + throw new Error("Column numbers must be >= 0"); + } + + const mappings = []; + + this._wasm.withMappingCallback( + m => { + let lastColumn = m.lastGeneratedColumn; + if (this._computedColumnSpans && lastColumn === null) { + lastColumn = Infinity; + } + mappings.push({ + line: m.generatedLine, + column: m.generatedColumn, + lastColumn, + }); + }, () => { + this._wasm.exports.all_generated_locations_for( + this._getMappingsPtr(), + source, + originalLine - 1, + "column" in aArgs, + originalColumn + ); + } + ); + + return mappings; + } + + destroy() { + if (this._mappingsPtr !== 0) { + this._wasm.exports.free_mappings(this._mappingsPtr); + this._mappingsPtr = 0; + } + } + + /** + * Compute the last column for each generated mapping. The last column is + * inclusive. + */ + computeColumnSpans() { + if (this._computedColumnSpans) { + return; + } + + this._wasm.exports.compute_column_spans(this._getMappingsPtr()); + this._computedColumnSpans = true; + } + + /** + * Returns the original source, line, and column information for the generated + * source's line and column positions provided. The only argument is an object + * with the following properties: + * + * - line: The line number in the generated source. The line number + * is 1-based. + * - column: The column number in the generated source. The column + * number is 0-based. + * - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or + * 'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the + * closest element that is smaller than or greater than the one we are + * searching for, respectively, if the exact element cannot be found. + * Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'. + * + * and an object is returned with the following properties: + * + * - source: The original source file, or null. + * - line: The line number in the original source, or null. The + * line number is 1-based. + * - column: The column number in the original source, or null. The + * column number is 0-based. + * - name: The original identifier, or null. + */ + originalPositionFor(aArgs) { + const needle = { + generatedLine: util.getArg(aArgs, "line"), + generatedColumn: util.getArg(aArgs, "column") + }; + + if (needle.generatedLine < 1) { + throw new Error("Line numbers must be >= 1"); + } + + if (needle.generatedColumn < 0) { + throw new Error("Column numbers must be >= 0"); + } + + let bias = util.getArg(aArgs, "bias", SourceMapConsumer.GREATEST_LOWER_BOUND); + if (bias == null) { + bias = SourceMapConsumer.GREATEST_LOWER_BOUND; + } + + let mapping; + this._wasm.withMappingCallback(m => mapping = m, () => { + this._wasm.exports.original_location_for( + this._getMappingsPtr(), + needle.generatedLine - 1, + needle.generatedColumn, + bias + ); + }); + + if (mapping) { + if (mapping.generatedLine === needle.generatedLine) { + let source = util.getArg(mapping, "source", null); + if (source !== null) { + source = this._absoluteSources.at(source); + } + + let name = util.getArg(mapping, "name", null); + if (name !== null) { + name = this._names.at(name); + } + + return { + source, + line: util.getArg(mapping, "originalLine", null), + column: util.getArg(mapping, "originalColumn", null), + name + }; + } + } + + return { + source: null, + line: null, + column: null, + name: null + }; + } + + /** + * Return true if we have the source content for every source in the source + * map, false otherwise. + */ + hasContentsOfAllSources() { + if (!this.sourcesContent) { + return false; + } + return this.sourcesContent.length >= this._sources.size() && + !this.sourcesContent.some(function(sc) { return sc == null; }); + } + + /** + * Returns the original source content. The only argument is the url of the + * original source file. Returns null if no original source content is + * available. + */ + sourceContentFor(aSource, nullOnMissing) { + if (!this.sourcesContent) { + return null; + } + + const index = this._findSourceIndex(aSource); + if (index >= 0) { + return this.sourcesContent[index]; + } + + // This function is used recursively from + // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we + // don't want to throw if we can't find the source - we just want to + // return null, so we provide a flag to exit gracefully. + if (nullOnMissing) { + return null; + } + + throw new Error('"' + aSource + '" is not in the SourceMap.'); + } + + /** + * Returns the generated line and column information for the original source, + * line, and column positions provided. The only argument is an object with + * the following properties: + * + * - source: The filename of the original source. + * - line: The line number in the original source. The line number + * is 1-based. + * - column: The column number in the original source. The column + * number is 0-based. + * - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or + * 'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the + * closest element that is smaller than or greater than the one we are + * searching for, respectively, if the exact element cannot be found. + * Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'. + * + * and an object is returned with the following properties: + * + * - line: The line number in the generated source, or null. The + * line number is 1-based. + * - column: The column number in the generated source, or null. + * The column number is 0-based. + */ + generatedPositionFor(aArgs) { + let source = util.getArg(aArgs, "source"); + source = this._findSourceIndex(source); + if (source < 0) { + return { + line: null, + column: null, + lastColumn: null + }; + } + + const needle = { + source, + originalLine: util.getArg(aArgs, "line"), + originalColumn: util.getArg(aArgs, "column") + }; + + if (needle.originalLine < 1) { + throw new Error("Line numbers must be >= 1"); + } + + if (needle.originalColumn < 0) { + throw new Error("Column numbers must be >= 0"); + } + + let bias = util.getArg(aArgs, "bias", SourceMapConsumer.GREATEST_LOWER_BOUND); + if (bias == null) { + bias = SourceMapConsumer.GREATEST_LOWER_BOUND; + } + + let mapping; + this._wasm.withMappingCallback(m => mapping = m, () => { + this._wasm.exports.generated_location_for( + this._getMappingsPtr(), + needle.source, + needle.originalLine - 1, + needle.originalColumn, + bias + ); + }); + + if (mapping) { + if (mapping.source === needle.source) { + let lastColumn = mapping.lastGeneratedColumn; + if (this._computedColumnSpans && lastColumn === null) { + lastColumn = Infinity; + } + return { + line: util.getArg(mapping, "generatedLine", null), + column: util.getArg(mapping, "generatedColumn", null), + lastColumn, + }; + } + } + + return { + line: null, + column: null, + lastColumn: null + }; + } +} + +BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer; +exports.BasicSourceMapConsumer = BasicSourceMapConsumer; + +/** + * An IndexedSourceMapConsumer instance represents a parsed source map which + * we can query for information. It differs from BasicSourceMapConsumer in + * that it takes "indexed" source maps (i.e. ones with a "sections" field) as + * input. + * + * The first parameter is a raw source map (either as a JSON string, or already + * parsed to an object). According to the spec for indexed source maps, they + * have the following attributes: + * + * - version: Which version of the source map spec this map is following. + * - file: Optional. The generated file this source map is associated with. + * - sections: A list of section definitions. + * + * Each value under the "sections" field has two fields: + * - offset: The offset into the original specified at which this section + * begins to apply, defined as an object with a "line" and "column" + * field. + * - map: A source map definition. This source map could also be indexed, + * but doesn't have to be. + * + * Instead of the "map" field, it's also possible to have a "url" field + * specifying a URL to retrieve a source map from, but that's currently + * unsupported. + * + * Here's an example source map, taken from the source map spec[0], but + * modified to omit a section which uses the "url" field. + * + * { + * version : 3, + * file: "app.js", + * sections: [{ + * offset: {line:100, column:10}, + * map: { + * version : 3, + * file: "section.js", + * sources: ["foo.js", "bar.js"], + * names: ["src", "maps", "are", "fun"], + * mappings: "AAAA,E;;ABCDE;" + * } + * }], + * } + * + * The second parameter, if given, is a string whose value is the URL + * at which the source map was found. This URL is used to compute the + * sources array. + * + * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt + */ +class IndexedSourceMapConsumer extends SourceMapConsumer { + constructor(aSourceMap, aSourceMapURL) { + return super(INTERNAL).then(that => { + let sourceMap = aSourceMap; + if (typeof aSourceMap === "string") { + sourceMap = util.parseSourceMapInput(aSourceMap); + } + + const version = util.getArg(sourceMap, "version"); + const sections = util.getArg(sourceMap, "sections"); + + if (version != that._version) { + throw new Error("Unsupported version: " + version); + } + + let lastOffset = { + line: -1, + column: 0 + }; + return Promise.all(sections.map(s => { + if (s.url) { + // The url field will require support for asynchronicity. + // See https://github.com/mozilla/source-map/issues/16 + throw new Error("Support for url field in sections not implemented."); + } + const offset = util.getArg(s, "offset"); + const offsetLine = util.getArg(offset, "line"); + const offsetColumn = util.getArg(offset, "column"); + + if (offsetLine < lastOffset.line || + (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) { + throw new Error("Section offsets must be ordered and non-overlapping."); + } + lastOffset = offset; + + const cons = new SourceMapConsumer(util.getArg(s, "map"), aSourceMapURL); + return cons.then(consumer => { + return { + generatedOffset: { + // The offset fields are 0-based, but we use 1-based indices when + // encoding/decoding from VLQ. + generatedLine: offsetLine + 1, + generatedColumn: offsetColumn + 1 + }, + consumer + }; + }); + })).then(s => { + that._sections = s; + return that; + }); + }); + } + + /** + * The list of original sources. + */ + get sources() { + const sources = []; + for (let i = 0; i < this._sections.length; i++) { + for (let j = 0; j < this._sections[i].consumer.sources.length; j++) { + sources.push(this._sections[i].consumer.sources[j]); + } + } + return sources; + } + + /** + * Returns the original source, line, and column information for the generated + * source's line and column positions provided. The only argument is an object + * with the following properties: + * + * - line: The line number in the generated source. The line number + * is 1-based. + * - column: The column number in the generated source. The column + * number is 0-based. + * + * and an object is returned with the following properties: + * + * - source: The original source file, or null. + * - line: The line number in the original source, or null. The + * line number is 1-based. + * - column: The column number in the original source, or null. The + * column number is 0-based. + * - name: The original identifier, or null. + */ + originalPositionFor(aArgs) { + const needle = { + generatedLine: util.getArg(aArgs, "line"), + generatedColumn: util.getArg(aArgs, "column") + }; + + // Find the section containing the generated position we're trying to map + // to an original position. + const sectionIndex = binarySearch.search(needle, this._sections, + function(aNeedle, section) { + const cmp = aNeedle.generatedLine - section.generatedOffset.generatedLine; + if (cmp) { + return cmp; + } + + return (aNeedle.generatedColumn - + section.generatedOffset.generatedColumn); + }); + const section = this._sections[sectionIndex]; + + if (!section) { + return { + source: null, + line: null, + column: null, + name: null + }; + } + + return section.consumer.originalPositionFor({ + line: needle.generatedLine - + (section.generatedOffset.generatedLine - 1), + column: needle.generatedColumn - + (section.generatedOffset.generatedLine === needle.generatedLine + ? section.generatedOffset.generatedColumn - 1 + : 0), + bias: aArgs.bias + }); + } + + /** + * Return true if we have the source content for every source in the source + * map, false otherwise. + */ + hasContentsOfAllSources() { + return this._sections.every(function(s) { + return s.consumer.hasContentsOfAllSources(); + }); + } + + /** + * Returns the original source content. The only argument is the url of the + * original source file. Returns null if no original source content is + * available. + */ + sourceContentFor(aSource, nullOnMissing) { + for (let i = 0; i < this._sections.length; i++) { + const section = this._sections[i]; + + const content = section.consumer.sourceContentFor(aSource, true); + if (content) { + return content; + } + } + if (nullOnMissing) { + return null; + } + throw new Error('"' + aSource + '" is not in the SourceMap.'); + } + + _findSectionIndex(source) { + for (let i = 0; i < this._sections.length; i++) { + const { consumer } = this._sections[i]; + if (consumer._findSourceIndex(source) !== -1) { + return i; + } + } + return -1; + } + + /** + * Returns the generated line and column information for the original source, + * line, and column positions provided. The only argument is an object with + * the following properties: + * + * - source: The filename of the original source. + * - line: The line number in the original source. The line number + * is 1-based. + * - column: The column number in the original source. The column + * number is 0-based. + * + * and an object is returned with the following properties: + * + * - line: The line number in the generated source, or null. The + * line number is 1-based. + * - column: The column number in the generated source, or null. + * The column number is 0-based. + */ + generatedPositionFor(aArgs) { + const index = this._findSectionIndex(util.getArg(aArgs, "source")); + const section = index >= 0 ? this._sections[index] : null; + const nextSection = + index >= 0 && index + 1 < this._sections.length + ? this._sections[index + 1] + : null; + + const generatedPosition = + section && section.consumer.generatedPositionFor(aArgs); + if (generatedPosition && generatedPosition.line !== null) { + const lineShift = section.generatedOffset.generatedLine - 1; + const columnShift = section.generatedOffset.generatedColumn - 1; + + if (generatedPosition.line === 1) { + generatedPosition.column += columnShift; + if (typeof generatedPosition.lastColumn === "number") { + generatedPosition.lastColumn += columnShift; + } + } + + if ( + generatedPosition.lastColumn === Infinity && + nextSection && + generatedPosition.line === nextSection.generatedOffset.generatedLine + ) { + generatedPosition.lastColumn = + nextSection.generatedOffset.generatedColumn - 2; + } + generatedPosition.line += lineShift; + + return generatedPosition; + } + + return { + line: null, + column: null, + lastColumn: null + }; + } + + allGeneratedPositionsFor(aArgs) { + const index = this._findSectionIndex(util.getArg(aArgs, "source")); + const section = index >= 0 ? this._sections[index] : null; + const nextSection = + index >= 0 && index + 1 < this._sections.length + ? this._sections[index + 1] + : null; + + if (!section) return []; + + return section.consumer.allGeneratedPositionsFor(aArgs).map( + generatedPosition => { + const lineShift = section.generatedOffset.generatedLine - 1; + const columnShift = section.generatedOffset.generatedColumn - 1; + + if (generatedPosition.line === 1) { + generatedPosition.column += columnShift; + if (typeof generatedPosition.lastColumn === "number") { + generatedPosition.lastColumn += columnShift; + } + } + + if ( + generatedPosition.lastColumn === Infinity && + nextSection && + generatedPosition.line === nextSection.generatedOffset.generatedLine + ) { + generatedPosition.lastColumn = + nextSection.generatedOffset.generatedColumn - 2; + } + generatedPosition.line += lineShift; + + return generatedPosition; + } + ); + } + + eachMapping(aCallback, aContext, aOrder) { + this._sections.forEach((section, index) => { + const nextSection = + index + 1 < this._sections.length + ? this._sections[index + 1] + : null; + const { generatedOffset } = section; + + const lineShift = generatedOffset.generatedLine - 1; + const columnShift = generatedOffset.generatedColumn - 1; + + section.consumer.eachMapping(function(mapping) { + if (mapping.generatedLine === 1) { + mapping.generatedColumn += columnShift; + + if (typeof mapping.lastGeneratedColumn === "number") { + mapping.lastGeneratedColumn += columnShift; + } + } + + if ( + mapping.lastGeneratedColumn === Infinity && + nextSection && + mapping.generatedLine === nextSection.generatedOffset.generatedLine + ) { + mapping.lastGeneratedColumn = + nextSection.generatedOffset.generatedColumn - 2; + } + mapping.generatedLine += lineShift; + + aCallback.call(this, mapping); + }, aContext, aOrder); + }); + } + + computeColumnSpans() { + for (let i = 0; i < this._sections.length; i++) { + this._sections[i].consumer.computeColumnSpans(); + } + } + + destroy() { + for (let i = 0; i < this._sections.length; i++) { + this._sections[i].consumer.destroy(); + } + } +} +exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer; + +/* + * Cheat to get around inter-twingled classes. `factory()` can be at the end + * where it has access to non-hoisted classes, but it gets hoisted itself. + */ +function _factory(aSourceMap, aSourceMapURL) { + let sourceMap = aSourceMap; + if (typeof aSourceMap === "string") { + sourceMap = util.parseSourceMapInput(aSourceMap); + } + + const consumer = sourceMap.sections != null + ? new IndexedSourceMapConsumer(sourceMap, aSourceMapURL) + : new BasicSourceMapConsumer(sourceMap, aSourceMapURL); + return Promise.resolve(consumer); +} + +function _factoryBSM(aSourceMap, aSourceMapURL) { + return BasicSourceMapConsumer.fromSourceMap(aSourceMap, aSourceMapURL); +} + + +/***/ }), + +/***/ 917: +/***/ (function(module, exports) { + +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ + +exports.GREATEST_LOWER_BOUND = 1; +exports.LEAST_UPPER_BOUND = 2; + +/** + * Recursive implementation of binary search. + * + * @param aLow Indices here and lower do not contain the needle. + * @param aHigh Indices here and higher do not contain the needle. + * @param aNeedle The element being searched for. + * @param aHaystack The non-empty array being searched. + * @param aCompare Function which takes two elements and returns -1, 0, or 1. + * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or + * 'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the + * closest element that is smaller than or greater than the one we are + * searching for, respectively, if the exact element cannot be found. + */ +function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) { + // This function terminates when one of the following is true: + // + // 1. We find the exact element we are looking for. + // + // 2. We did not find the exact element, but we can return the index of + // the next-closest element. + // + // 3. We did not find the exact element, and there is no next-closest + // element than the one we are searching for, so we return -1. + const mid = Math.floor((aHigh - aLow) / 2) + aLow; + const cmp = aCompare(aNeedle, aHaystack[mid], true); + if (cmp === 0) { + // Found the element we are looking for. + return mid; + } else if (cmp > 0) { + // Our needle is greater than aHaystack[mid]. + if (aHigh - mid > 1) { + // The element is in the upper half. + return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias); + } + + // The exact needle element was not found in this haystack. Determine if + // we are in termination case (3) or (2) and return the appropriate thing. + if (aBias == exports.LEAST_UPPER_BOUND) { + return aHigh < aHaystack.length ? aHigh : -1; + } + return mid; + } + + // Our needle is less than aHaystack[mid]. + if (mid - aLow > 1) { + // The element is in the lower half. + return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias); + } + + // we are in termination case (3) or (2) and return the appropriate thing. + if (aBias == exports.LEAST_UPPER_BOUND) { + return mid; + } + return aLow < 0 ? -1 : aLow; +} + +/** + * This is an implementation of binary search which will always try and return + * the index of the closest element if there is no exact hit. This is because + * mappings between original and generated line/col pairs are single points, + * and there is an implicit region between each of them, so a miss just means + * that you aren't on the very start of a region. + * + * @param aNeedle The element you are looking for. + * @param aHaystack The array that is being searched. + * @param aCompare A function which takes the needle and an element in the + * array and returns -1, 0, or 1 depending on whether the needle is less + * than, equal to, or greater than the element, respectively. + * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or + * 'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the + * closest element that is smaller than or greater than the one we are + * searching for, respectively, if the exact element cannot be found. + * Defaults to 'binarySearch.GREATEST_LOWER_BOUND'. + */ +exports.search = function search(aNeedle, aHaystack, aCompare, aBias) { + if (aHaystack.length === 0) { + return -1; + } + + let index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack, + aCompare, aBias || exports.GREATEST_LOWER_BOUND); + if (index < 0) { + return -1; + } + + // We have found either the exact element, or the next-closest element than + // the one we are searching for. However, there may be more than one such + // element. Make sure we always return the smallest of these. + while (index - 1 >= 0) { + if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) { + break; + } + --index; + } + + return index; +}; + + +/***/ }), + +/***/ 918: +/***/ (function(module, exports, __webpack_require__) { + +const readWasm = __webpack_require__(705); + +/** + * Provide the JIT with a nice shape / hidden class. + */ +function Mapping() { + this.generatedLine = 0; + this.generatedColumn = 0; + this.lastGeneratedColumn = null; + this.source = null; + this.originalLine = null; + this.originalColumn = null; + this.name = null; +} + +let cachedWasm = null; + +module.exports = function wasm() { + if (cachedWasm) { + return cachedWasm; + } + + const callbackStack = []; + + cachedWasm = readWasm().then(buffer => { + return WebAssembly.instantiate(buffer, { + env: { + mapping_callback( + generatedLine, + generatedColumn, + + hasLastGeneratedColumn, + lastGeneratedColumn, + + hasOriginal, + source, + originalLine, + originalColumn, + + hasName, + name + ) { + const mapping = new Mapping(); + // JS uses 1-based line numbers, wasm uses 0-based. + mapping.generatedLine = generatedLine + 1; + mapping.generatedColumn = generatedColumn; + + if (hasLastGeneratedColumn) { + // JS uses inclusive last generated column, wasm uses exclusive. + mapping.lastGeneratedColumn = lastGeneratedColumn - 1; + } + + if (hasOriginal) { + mapping.source = source; + // JS uses 1-based line numbers, wasm uses 0-based. + mapping.originalLine = originalLine + 1; + mapping.originalColumn = originalColumn; + + if (hasName) { + mapping.name = name; + } + } + + callbackStack[callbackStack.length - 1](mapping); + }, + + start_all_generated_locations_for() { console.time("all_generated_locations_for"); }, + end_all_generated_locations_for() { console.timeEnd("all_generated_locations_for"); }, + + start_compute_column_spans() { console.time("compute_column_spans"); }, + end_compute_column_spans() { console.timeEnd("compute_column_spans"); }, + + start_generated_location_for() { console.time("generated_location_for"); }, + end_generated_location_for() { console.timeEnd("generated_location_for"); }, + + start_original_location_for() { console.time("original_location_for"); }, + end_original_location_for() { console.timeEnd("original_location_for"); }, + + start_parse_mappings() { console.time("parse_mappings"); }, + end_parse_mappings() { console.timeEnd("parse_mappings"); }, + + start_sort_by_generated_location() { console.time("sort_by_generated_location"); }, + end_sort_by_generated_location() { console.timeEnd("sort_by_generated_location"); }, + + start_sort_by_original_location() { console.time("sort_by_original_location"); }, + end_sort_by_original_location() { console.timeEnd("sort_by_original_location"); }, + } + }); + }).then(Wasm => { + return { + exports: Wasm.instance.exports, + withMappingCallback: (mappingCallback, f) => { + callbackStack.push(mappingCallback); + try { + f(); + } finally { + callbackStack.pop(); + } + } + }; + }).then(null, e => { + cachedWasm = null; + throw e; + }); + + return cachedWasm; +}; + + +/***/ }), + +/***/ 919: +/***/ (function(module, exports, __webpack_require__) { + +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ + +const SourceMapGenerator = __webpack_require__(702).SourceMapGenerator; +const util = __webpack_require__(609); + +// Matches a Windows-style `\r\n` newline or a `\n` newline used by all other +// operating systems these days (capturing the result). +const REGEX_NEWLINE = /(\r?\n)/; + +// Newline character code for charCodeAt() comparisons +const NEWLINE_CODE = 10; + +// Private symbol for identifying `SourceNode`s when multiple versions of +// the source-map library are loaded. This MUST NOT CHANGE across +// versions! +const isSourceNode = "$$$isSourceNode$$$"; + +/** + * SourceNodes provide a way to abstract over interpolating/concatenating + * snippets of generated JavaScript source code while maintaining the line and + * column information associated with the original source code. + * + * @param aLine The original line number. + * @param aColumn The original column number. + * @param aSource The original source's filename. + * @param aChunks Optional. An array of strings which are snippets of + * generated JS, or other SourceNodes. + * @param aName The original identifier. + */ +class SourceNode { + constructor(aLine, aColumn, aSource, aChunks, aName) { + this.children = []; + this.sourceContents = {}; + this.line = aLine == null ? null : aLine; + this.column = aColumn == null ? null : aColumn; + this.source = aSource == null ? null : aSource; + this.name = aName == null ? null : aName; + this[isSourceNode] = true; + if (aChunks != null) this.add(aChunks); + } + + /** + * Creates a SourceNode from generated code and a SourceMapConsumer. + * + * @param aGeneratedCode The generated code + * @param aSourceMapConsumer The SourceMap for the generated code + * @param aRelativePath Optional. The path that relative sources in the + * SourceMapConsumer should be relative to. + */ + static fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) { + // The SourceNode we want to fill with the generated code + // and the SourceMap + const node = new SourceNode(); + + // All even indices of this array are one line of the generated code, + // while all odd indices are the newlines between two adjacent lines + // (since `REGEX_NEWLINE` captures its match). + // Processed fragments are accessed by calling `shiftNextLine`. + const remainingLines = aGeneratedCode.split(REGEX_NEWLINE); + let remainingLinesIndex = 0; + const shiftNextLine = function() { + const lineContents = getNextLine(); + // The last line of a file might not have a newline. + const newLine = getNextLine() || ""; + return lineContents + newLine; + + function getNextLine() { + return remainingLinesIndex < remainingLines.length ? + remainingLines[remainingLinesIndex++] : undefined; + } + }; + + // We need to remember the position of "remainingLines" + let lastGeneratedLine = 1, lastGeneratedColumn = 0; + + // The generate SourceNodes we need a code range. + // To extract it current and last mapping is used. + // Here we store the last mapping. + let lastMapping = null; + let nextLine; + + aSourceMapConsumer.eachMapping(function(mapping) { + if (lastMapping !== null) { + // We add the code from "lastMapping" to "mapping": + // First check if there is a new line in between. + if (lastGeneratedLine < mapping.generatedLine) { + // Associate first line with "lastMapping" + addMappingWithCode(lastMapping, shiftNextLine()); + lastGeneratedLine++; + lastGeneratedColumn = 0; + // The remaining code is added without mapping + } else { + // There is no new line in between. + // Associate the code between "lastGeneratedColumn" and + // "mapping.generatedColumn" with "lastMapping" + nextLine = remainingLines[remainingLinesIndex] || ""; + const code = nextLine.substr(0, mapping.generatedColumn - + lastGeneratedColumn); + remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn - + lastGeneratedColumn); + lastGeneratedColumn = mapping.generatedColumn; + addMappingWithCode(lastMapping, code); + // No more remaining code, continue + lastMapping = mapping; + return; + } + } + // We add the generated code until the first mapping + // to the SourceNode without any mapping. + // Each line is added as separate string. + while (lastGeneratedLine < mapping.generatedLine) { + node.add(shiftNextLine()); + lastGeneratedLine++; + } + if (lastGeneratedColumn < mapping.generatedColumn) { + nextLine = remainingLines[remainingLinesIndex] || ""; + node.add(nextLine.substr(0, mapping.generatedColumn)); + remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn); + lastGeneratedColumn = mapping.generatedColumn; + } + lastMapping = mapping; + }, this); + // We have processed all mappings. + if (remainingLinesIndex < remainingLines.length) { + if (lastMapping) { + // Associate the remaining code in the current line with "lastMapping" + addMappingWithCode(lastMapping, shiftNextLine()); + } + // and add the remaining lines without any mapping + node.add(remainingLines.splice(remainingLinesIndex).join("")); + } + + // Copy sourcesContent into SourceNode + aSourceMapConsumer.sources.forEach(function(sourceFile) { + const content = aSourceMapConsumer.sourceContentFor(sourceFile); + if (content != null) { + if (aRelativePath != null) { + sourceFile = util.join(aRelativePath, sourceFile); + } + node.setSourceContent(sourceFile, content); + } + }); + + return node; + + function addMappingWithCode(mapping, code) { + if (mapping === null || mapping.source === undefined) { + node.add(code); + } else { + const source = aRelativePath + ? util.join(aRelativePath, mapping.source) + : mapping.source; + node.add(new SourceNode(mapping.originalLine, + mapping.originalColumn, + source, + code, + mapping.name)); + } + } + } + + /** + * Add a chunk of generated JS to this source node. + * + * @param aChunk A string snippet of generated JS code, another instance of + * SourceNode, or an array where each member is one of those things. + */ + add(aChunk) { + if (Array.isArray(aChunk)) { + aChunk.forEach(function(chunk) { + this.add(chunk); + }, this); + } else if (aChunk[isSourceNode] || typeof aChunk === "string") { + if (aChunk) { + this.children.push(aChunk); + } + } else { + throw new TypeError( + "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk + ); + } + return this; + } + + /** + * Add a chunk of generated JS to the beginning of this source node. + * + * @param aChunk A string snippet of generated JS code, another instance of + * SourceNode, or an array where each member is one of those things. + */ + prepend(aChunk) { + if (Array.isArray(aChunk)) { + for (let i = aChunk.length - 1; i >= 0; i--) { + this.prepend(aChunk[i]); + } + } else if (aChunk[isSourceNode] || typeof aChunk === "string") { + this.children.unshift(aChunk); + } else { + throw new TypeError( + "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk + ); + } + return this; + } + + /** + * Walk over the tree of JS snippets in this node and its children. The + * walking function is called once for each snippet of JS and is passed that + * snippet and the its original associated source's line/column location. + * + * @param aFn The traversal function. + */ + walk(aFn) { + let chunk; + for (let i = 0, len = this.children.length; i < len; i++) { + chunk = this.children[i]; + if (chunk[isSourceNode]) { + chunk.walk(aFn); + } else if (chunk !== "") { + aFn(chunk, { source: this.source, + line: this.line, + column: this.column, + name: this.name }); + } + } + } + + /** + * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between + * each of `this.children`. + * + * @param aSep The separator. + */ + join(aSep) { + let newChildren; + let i; + const len = this.children.length; + if (len > 0) { + newChildren = []; + for (i = 0; i < len - 1; i++) { + newChildren.push(this.children[i]); + newChildren.push(aSep); + } + newChildren.push(this.children[i]); + this.children = newChildren; + } + return this; + } + + /** + * Call String.prototype.replace on the very right-most source snippet. Useful + * for trimming whitespace from the end of a source node, etc. + * + * @param aPattern The pattern to replace. + * @param aReplacement The thing to replace the pattern with. + */ + replaceRight(aPattern, aReplacement) { + const lastChild = this.children[this.children.length - 1]; + if (lastChild[isSourceNode]) { + lastChild.replaceRight(aPattern, aReplacement); + } else if (typeof lastChild === "string") { + this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement); + } else { + this.children.push("".replace(aPattern, aReplacement)); + } + return this; + } + + /** + * Set the source content for a source file. This will be added to the SourceMapGenerator + * in the sourcesContent field. + * + * @param aSourceFile The filename of the source file + * @param aSourceContent The content of the source file + */ + setSourceContent(aSourceFile, aSourceContent) { + this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent; + } + + /** + * Walk over the tree of SourceNodes. The walking function is called for each + * source file content and is passed the filename and source content. + * + * @param aFn The traversal function. + */ + walkSourceContents(aFn) { + for (let i = 0, len = this.children.length; i < len; i++) { + if (this.children[i][isSourceNode]) { + this.children[i].walkSourceContents(aFn); + } + } + + const sources = Object.keys(this.sourceContents); + for (let i = 0, len = sources.length; i < len; i++) { + aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]); + } + } + + /** + * Return the string representation of this source node. Walks over the tree + * and concatenates all the various snippets together to one string. + */ + toString() { + let str = ""; + this.walk(function(chunk) { + str += chunk; + }); + return str; + } + + /** + * Returns the string representation of this source node along with a source + * map. + */ + toStringWithSourceMap(aArgs) { + const generated = { + code: "", + line: 1, + column: 0 + }; + const map = new SourceMapGenerator(aArgs); + let sourceMappingActive = false; + let lastOriginalSource = null; + let lastOriginalLine = null; + let lastOriginalColumn = null; + let lastOriginalName = null; + this.walk(function(chunk, original) { + generated.code += chunk; + if (original.source !== null + && original.line !== null + && original.column !== null) { + if (lastOriginalSource !== original.source + || lastOriginalLine !== original.line + || lastOriginalColumn !== original.column + || lastOriginalName !== original.name) { + map.addMapping({ + source: original.source, + original: { + line: original.line, + column: original.column + }, + generated: { + line: generated.line, + column: generated.column + }, + name: original.name + }); + } + lastOriginalSource = original.source; + lastOriginalLine = original.line; + lastOriginalColumn = original.column; + lastOriginalName = original.name; + sourceMappingActive = true; + } else if (sourceMappingActive) { + map.addMapping({ + generated: { + line: generated.line, + column: generated.column + } + }); + lastOriginalSource = null; + sourceMappingActive = false; + } + for (let idx = 0, length = chunk.length; idx < length; idx++) { + if (chunk.charCodeAt(idx) === NEWLINE_CODE) { + generated.line++; + generated.column = 0; + // Mappings end at eol + if (idx + 1 === length) { + lastOriginalSource = null; + sourceMappingActive = false; + } else if (sourceMappingActive) { + map.addMapping({ + source: original.source, + original: { + line: original.line, + column: original.column + }, + generated: { + line: generated.line, + column: generated.column + }, + name: original.name + }); + } + } else { + generated.column++; + } + } + }); + this.walkSourceContents(function(sourceFile, sourceContent) { + map.setSourceContent(sourceFile, sourceContent); + }); + + return { code: generated.code, map }; + } +} + +exports.SourceNode = SourceNode; + + +/***/ }), + +/***/ 920: +/***/ (function(module, exports) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +function assert(condition, message) { + if (!condition) { + throw new Error(`Assertion failure: ${message}`); + } +} + +module.exports = assert; + +/***/ }), + +/***/ 921: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +const { + networkRequest +} = __webpack_require__(560); + +const { + getSourceMap, + setSourceMap +} = __webpack_require__(643); + +const { + WasmRemap +} = __webpack_require__(922); + +const { + SourceMapConsumer +} = __webpack_require__(608); + +const { + convertToJSON +} = __webpack_require__(610); + +const { + createConsumer +} = __webpack_require__(706); // URLs which have been seen in a completed source map request. + + +const originalURLs = new Set(); + +function clearOriginalURLs() { + originalURLs.clear(); +} + +function hasOriginalURL(url) { + return originalURLs.has(url); +} + +function _resolveSourceMapURL(source) { + let { + sourceMapBaseURL, + sourceMapURL + } = source; + sourceMapBaseURL = sourceMapBaseURL || ""; + sourceMapURL = sourceMapURL || ""; + + if (!sourceMapBaseURL) { + // If the source doesn't have a URL, don't resolve anything. + return { + sourceMapURL, + baseURL: sourceMapURL + }; + } + + let resolvedString; + let baseURL; // When the sourceMap is a data: URL, fall back to using the source's URL, + // if possible. We don't use `new URL` here because it will be _very_ slow + // for large inlined source-maps, and we don't actually need to parse them. + + if (sourceMapURL.startsWith("data:")) { + resolvedString = sourceMapURL; + baseURL = sourceMapBaseURL; + } else { + resolvedString = new URL(sourceMapURL, // If the URL is a data: URL, the sourceMapURL needs to be absolute, so + // we might as well pass `undefined` to avoid parsing a potentially + // very large data: URL for no reason. + sourceMapBaseURL.startsWith("data:") ? undefined : sourceMapBaseURL).toString(); + baseURL = resolvedString; + } + + return { + sourceMapURL: resolvedString, + baseURL + }; +} + +async function _resolveAndFetch(generatedSource) { + // Fetch the sourcemap over the network and create it. + const { + sourceMapURL, + baseURL + } = _resolveSourceMapURL(generatedSource); + + let fetched = await networkRequest(sourceMapURL, { + loadFromCache: false + }); + + if (fetched.isDwarf) { + fetched = { + content: await convertToJSON(fetched.content) + }; + } // Create the source map and fix it up. + + + let map = await createConsumer(fetched.content, baseURL); + + if (generatedSource.isWasm) { + map = new WasmRemap(map); // Check if experimental scope info exists. + + if (fetched.content.includes("x-scopes")) { + const parsedJSON = JSON.parse(fetched.content); + map.xScopes = parsedJSON["x-scopes"]; + } + } + + if (map && map.sources) { + map.sources.forEach(url => originalURLs.add(url)); + } + + return map; +} + +function fetchSourceMap(generatedSource) { + const existingRequest = getSourceMap(generatedSource.id); // If it has already been requested, return the request. Make sure + // to do this even if sourcemapping is turned off, because + // pretty-printing uses sourcemaps. + // + // An important behavior here is that if it's in the middle of + // requesting it, all subsequent calls will block on the initial + // request. + + if (existingRequest) { + return existingRequest; + } + + if (!generatedSource.sourceMapURL) { + return null; + } // Fire off the request, set it in the cache, and return it. + + + const req = _resolveAndFetch(generatedSource); // Make sure the cached promise does not reject, because we only + // want to report the error once. + + + setSourceMap(generatedSource.id, req.catch(() => null)); + return req; +} + +module.exports = { + fetchSourceMap, + hasOriginalURL, + clearOriginalURLs +}; + +/***/ }), + +/***/ 922: +/***/ (function(module, exports) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ + +/** + * SourceMapConsumer for WebAssembly source maps. It transposes columns with + * lines, which allows mapping data to be used with SpiderMonkey Debugger API. + */ +class WasmRemap { + /** + * @param map SourceMapConsumer + */ + constructor(map) { + this._map = map; + this.version = map.version; + this.file = map.file; + this._computeColumnSpans = false; + } + + get sources() { + return this._map.sources; + } + + get sourceRoot() { + return this._map.sourceRoot; + } + + get names() { + return this._map.names; + } + + get sourcesContent() { + return this._map.sourcesContent; + } + + get mappings() { + throw new Error("not supported"); + } + + computeColumnSpans() { + this._computeColumnSpans = true; + } + + originalPositionFor(generatedPosition) { + const result = this._map.originalPositionFor({ + line: 1, + column: generatedPosition.line, + bias: generatedPosition.bias + }); + + return result; + } + + _remapGeneratedPosition(position) { + const generatedPosition = { + line: position.column, + column: 0 + }; + + if (this._computeColumnSpans) { + generatedPosition.lastColumn = 0; + } + + return generatedPosition; + } + + generatedPositionFor(originalPosition) { + const position = this._map.generatedPositionFor(originalPosition); + + return this._remapGeneratedPosition(position); + } + + allGeneratedPositionsFor(originalPosition) { + const positions = this._map.allGeneratedPositionsFor(originalPosition); + + return positions.map(position => { + return this._remapGeneratedPosition(position); + }); + } + + hasContentsOfAllSources() { + return this._map.hasContentsOfAllSources(); + } + + sourceContentFor(source, returnNullOnMissing) { + return this._map.sourceContentFor(source, returnNullOnMissing); + } + + eachMapping(callback, context, order) { + this._map.eachMapping(entry => { + const { + source, + generatedColumn, + originalLine, + originalColumn, + name + } = entry; + callback({ + source, + generatedLine: generatedColumn, + generatedColumn: 0, + lastGeneratedColumn: 0, + originalLine, + originalColumn, + name + }); + }, context, order); + } + +} + +exports.WasmRemap = WasmRemap; + +/***/ }), + +/***/ 923: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ + +/* eslint camelcase: 0*/ +const { + getDwarfToWasmData +} = __webpack_require__(707); + +let cachedWasmModule; +let utf8Decoder; + +function convertDwarf(wasm, instance) { + const { + memory, + alloc_mem, + free_mem, + convert_dwarf + } = instance.exports; + const wasmPtr = alloc_mem(wasm.byteLength); + new Uint8Array(memory.buffer, wasmPtr, wasm.byteLength).set(new Uint8Array(wasm)); + const resultPtr = alloc_mem(12); + const enableXScopes = true; + const success = convert_dwarf(wasmPtr, wasm.byteLength, resultPtr, resultPtr + 4, enableXScopes); + free_mem(wasmPtr); + const resultView = new DataView(memory.buffer, resultPtr, 12); + const outputPtr = resultView.getUint32(0, true), + outputLen = resultView.getUint32(4, true); + free_mem(resultPtr); + + if (!success) { + throw new Error("Unable to convert from DWARF sections"); + } + + if (!utf8Decoder) { + utf8Decoder = new TextDecoder("utf-8"); + } + + const output = utf8Decoder.decode(new Uint8Array(memory.buffer, outputPtr, outputLen)); + free_mem(outputPtr); + return output; +} + +async function convertToJSON(buffer) { + // Note: We don't 'await' here because it could mean that multiple + // calls to 'convertToJSON' could cause multiple fetches to be started. + cachedWasmModule = cachedWasmModule || loadConverterModule(); + return convertDwarf(buffer, await cachedWasmModule); +} + +async function loadConverterModule() { + const wasm = await getDwarfToWasmData(); + const imports = {}; + const { + instance + } = await WebAssembly.instantiate(wasm, imports); + return instance; +} + +module.exports = { + convertToJSON +}; + +/***/ }), + +/***/ 924: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ + +/* eslint camelcase: 0*/ +const { + decodeExpr +} = __webpack_require__(925); + +const xScopes = new Map(); + +function indexLinkingNames(items) { + const result = new Map(); + let queue = [...items]; + + while (queue.length > 0) { + const item = queue.shift(); + + if ("uid" in item) { + result.set(item.uid, item); + } else if ("linkage_name" in item) { + // TODO the linkage_name string value is used for compatibility + // with old format. Remove in favour of the uid referencing. + result.set(item.linkage_name, item); + } + + if ("children" in item) { + queue = [...queue, ...item.children]; + } + } + + return result; +} + +function getIndexedItem(index, key) { + if (typeof key === "object" && key != null) { + return index.get(key.uid); + } + + if (typeof key === "string") { + return index.get(key); + } + + return null; +} + +async function getXScopes(sourceId, getSourceMap) { + if (xScopes.has(sourceId)) { + return xScopes.get(sourceId); + } + + const map = await getSourceMap(sourceId); + + if (!map || !map.xScopes) { + xScopes.set(sourceId, null); + return null; + } + + const { + code_section_offset, + debug_info + } = map.xScopes; + const xScope = { + code_section_offset, + debug_info, + idIndex: indexLinkingNames(debug_info), + sources: map.sources + }; + xScopes.set(sourceId, xScope); + return xScope; +} + +function isInRange(item, pc) { + if ("ranges" in item) { + return item.ranges.some(r => r[0] <= pc && pc < r[1]); + } + + if ("high_pc" in item) { + return item.low_pc <= pc && pc < item.high_pc; + } + + return false; +} + +function decodeExprAt(expr, pc) { + if (typeof expr === "string") { + return decodeExpr(expr); + } + + const foundAt = expr.find(i => i.range[0] <= pc && pc < i.range[1]); + return foundAt ? decodeExpr(foundAt.expr) : null; +} + +function getVariables(scope, pc) { + const vars = scope.children ? scope.children.reduce((result, item) => { + switch (item.tag) { + case "variable": + case "formal_parameter": + result.push({ + name: item.name || "", + expr: item.location ? decodeExprAt(item.location, pc) : null + }); + break; + + case "lexical_block": + // FIXME build scope blocks (instead of combining) + const tmp = getVariables(item, pc); + result = [...tmp.vars, ...result]; + break; + } + + return result; + }, []) : []; + const frameBase = scope.frame_base ? decodeExpr(scope.frame_base) : null; + return { + vars, + frameBase + }; +} + +function filterScopes(items, pc, lastItem, index) { + if (!items) { + return []; + } + + return items.reduce((result, item) => { + switch (item.tag) { + case "compile_unit": + if (isInRange(item, pc)) { + result = [...result, ...filterScopes(item.children, pc, lastItem, index)]; + } + + break; + + case "namespace": + case "structure_type": + case "union_type": + result = [...result, ...filterScopes(item.children, pc, lastItem, index)]; + break; + + case "subprogram": + if (isInRange(item, pc)) { + const s = { + id: item.linkage_name, + name: item.name, + variables: getVariables(item, pc) + }; + result = [...result, s, ...filterScopes(item.children, pc, s, index)]; + } + + break; + + case "inlined_subroutine": + if (isInRange(item, pc)) { + const linkedItem = getIndexedItem(index, item.abstract_origin); + const s = { + id: item.abstract_origin, + name: linkedItem ? linkedItem.name : void 0, + variables: getVariables(item, pc) + }; + + if (lastItem) { + lastItem.file = item.call_file; + lastItem.line = item.call_line; + } + + result = [...result, s, ...filterScopes(item.children, pc, s, index)]; + } + + break; + } + + return result; + }, []); +} + +class XScope { + constructor(xScopeData, sourceMapContext) { + this.xScope = xScopeData; + this.sourceMapContext = sourceMapContext; + } + + search(generatedLocation) { + const { + code_section_offset, + debug_info, + sources, + idIndex + } = this.xScope; + const pc = generatedLocation.line - (code_section_offset || 0); + const scopes = filterScopes(debug_info, pc, null, idIndex); + scopes.reverse(); + return scopes.map(i => { + if (!("file" in i)) { + return { + displayName: i.name || "", + variables: i.variables + }; + } + + const sourceId = this.sourceMapContext.generatedToOriginalId(generatedLocation.sourceId, sources[i.file || 0]); + return { + displayName: i.name || "", + variables: i.variables, + location: { + line: i.line || 0, + sourceId + } + }; + }); + } + +} + +async function getWasmXScopes(sourceId, sourceMapContext) { + const { + getSourceMap + } = sourceMapContext; + const xScopeData = await getXScopes(sourceId, getSourceMap); + + if (!xScopeData) { + return null; + } + + return new XScope(xScopeData, sourceMapContext); +} + +function clearWasmXScopes() { + xScopes.clear(); +} + +module.exports = { + getWasmXScopes, + clearWasmXScopes +}; + +/***/ }), + +/***/ 925: +/***/ (function(module, exports) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ + +/* eslint camelcase: 0*/ + +/* eslint-disable no-inline-comments */ +class Value { + constructor(val) { + this.val = val; + } + + toString() { + return `${this.val}`; + } + +} + +const Int32Formatter = { + fromAddr(addr) { + return `(new DataView(memory0.buffer).getInt32(${addr}, true))`; + }, + + fromValue(value) { + return `${value.val}`; + } + +}; +const Uint32Formatter = { + fromAddr(addr) { + return `(new DataView(memory0.buffer).getUint32(${addr}, true))`; + }, + + fromValue(value) { + return `(${value.val} >>> 0)`; + } + +}; + +function createPieceFormatter(bytes) { + let getter; + + switch (bytes) { + case 0: + case 1: + getter = "getUint8"; + break; + + case 2: + getter = "getUint16"; + break; + + case 3: + case 4: + default: + // FIXME 64-bit + getter = "getUint32"; + break; + } + + const mask = (1 << 8 * bytes) - 1; + return { + fromAddr(addr) { + return `(new DataView(memory0.buffer).${getter}(${addr}, true))`; + }, + + fromValue(value) { + return `((${value.val} & ${mask}) >>> 0)`; + } + + }; +} // eslint-disable-next-line complexity + + +function toJS(buf, typeFormatter, frame_base = "fp()") { + const readU8 = function () { + return buf[i++]; + }; + + const readS8 = function () { + return readU8() << 24 >> 24; + }; + + const readU16 = function () { + const w = buf[i] | buf[i + 1] << 8; + i += 2; + return w; + }; + + const readS16 = function () { + return readU16() << 16 >> 16; + }; + + const readS32 = function () { + const w = buf[i] | buf[i + 1] << 8 | buf[i + 2] << 16 | buf[i + 3] << 24; + i += 4; + return w; + }; + + const readU32 = function () { + return readS32() >>> 0; + }; + + const readU = function () { + let n = 0, + shift = 0, + b; + + while ((b = readU8()) & 0x80) { + n |= (b & 0x7f) << shift; + shift += 7; + } + + return n | b << shift; + }; + + const readS = function () { + let n = 0, + shift = 0, + b; + + while ((b = readU8()) & 0x80) { + n |= (b & 0x7f) << shift; + shift += 7; + } + + n |= b << shift; + shift += 7; + return shift > 32 ? n << 32 - shift >> 32 - shift : n; + }; + + const popValue = function (formatter) { + const loc = stack.pop(); + + if (loc instanceof Value) { + return formatter.fromValue(loc); + } + + return formatter.fromAddr(loc); + }; + + let i = 0, + a, + b; + const stack = [frame_base]; + + while (i < buf.length) { + const code = buf[i++]; + + switch (code) { + case 0x03 + /* DW_OP_addr */ + : + stack.push(Uint32Formatter.fromAddr(readU32())); + break; + + case 0x08 + /* DW_OP_const1u 0x08 1 1-byte constant */ + : + stack.push(readU8()); + break; + + case 0x09 + /* DW_OP_const1s 0x09 1 1-byte constant */ + : + stack.push(readS8()); + break; + + case 0x0a + /* DW_OP_const2u 0x0a 1 2-byte constant */ + : + stack.push(readU16()); + break; + + case 0x0b + /* DW_OP_const2s 0x0b 1 2-byte constant */ + : + stack.push(readS16()); + break; + + case 0x0c + /* DW_OP_const2u 0x0a 1 2-byte constant */ + : + stack.push(readU32()); + break; + + case 0x0d + /* DW_OP_const2s 0x0b 1 2-byte constant */ + : + stack.push(readS32()); + break; + + case 0x10 + /* DW_OP_constu 0x10 1 ULEB128 constant */ + : + stack.push(readU()); + break; + + case 0x11 + /* DW_OP_const2s 0x0b 1 2-byte constant */ + : + stack.push(readS()); + break; + + case 0x1c + /* DW_OP_minus */ + : + b = stack.pop(); + a = stack.pop(); + stack.push(`${a} - ${b}`); + break; + + case 0x22 + /* DW_OP_plus */ + : + b = stack.pop(); + a = stack.pop(); + stack.push(`${a} + ${b}`); + break; + + case 0x23 + /* DW_OP_plus_uconst */ + : + b = readU(); + a = stack.pop(); + stack.push(`${a} + ${b}`); + break; + + case 0x30 + /* DW_OP_lit0 */ + : + case 0x31: + case 0x32: + case 0x33: + case 0x34: + case 0x35: + case 0x36: + case 0x37: + case 0x38: + case 0x39: + case 0x3a: + case 0x3b: + case 0x3c: + case 0x3d: + case 0x3e: + case 0x3f: + case 0x40: + case 0x41: + case 0x42: + case 0x43: + case 0x44: + case 0x45: + case 0x46: + case 0x47: + case 0x48: + case 0x49: + case 0x4a: + case 0x4b: + case 0x4c: + case 0x4d: + case 0x4e: + case 0x4f: + stack.push(`${code - 0x30}`); + break; + + case 0x93 + /* DW_OP_piece */ + : + { + a = readU(); + const formatter = createPieceFormatter(a); + stack.push(popValue(formatter)); + break; + } + + case 0x9f + /* DW_OP_stack_value */ + : + stack.push(new Value(stack.pop())); + break; + + case 0xf6 + /* WASM ext (old, FIXME phase out) */ + : + case 0xed + /* WASM ext */ + : + b = readU(); + a = readS(); + + switch (b) { + case 0: + stack.push(`var${a}`); + break; + + case 1: + stack.push(`global${a}`); + break; + + default: + stack.push(`ti${b}(${a})`); + break; + } + + break; + + default: + // Unknown encoding, baling out + return null; + } + } // FIXME use real DWARF type information + + + return popValue(typeFormatter); +} + +function decodeExpr(expr) { + if (expr.includes("//")) { + expr = expr.slice(0, expr.indexOf("//")).trim(); + } + + const code = new Uint8Array(expr.length >> 1); + + for (let i = 0; i < code.length; i++) { + code[i] = parseInt(expr.substr(i << 1, 2), 16); + } + + const typeFormatter = Int32Formatter; + return toJS(code, typeFormatter) || `dwarf("${expr}")`; +} + +module.exports = { + decodeExpr +}; + +/***/ }), + +/***/ 926: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +const { + getWasmXScopes +} = __webpack_require__(610); + +const { + getSourceMap +} = __webpack_require__(643); + +const { + generatedToOriginalId +} = __webpack_require__(584); // Returns expanded stack frames details based on the generated location. +// The function return null if not information was found. + + +async function getOriginalStackFrames(generatedLocation) { + const wasmXScopes = await getWasmXScopes(generatedLocation.sourceId, { + getSourceMap, + generatedToOriginalId + }); + + if (!wasmXScopes) { + return null; + } + + const scopes = wasmXScopes.search(generatedLocation); + + if (scopes.length === 0) { + console.warn("Something wrong with debug data: none original frames found"); + return null; + } + + return scopes; +} + +module.exports = { + getOriginalStackFrames +}; + +/***/ }), + +/***/ 927: +/***/ (function(module, exports, __webpack_require__) { + +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ +const { + SourceMapConsumer +} = __webpack_require__(608); + +const { + setAssetRootURL: wasmDwarfSetAssetRootURL +} = __webpack_require__(610); + +function setAssetRootURL(assetRoot) { + // Remove any trailing slash so we don't generate a double-slash below. + const root = assetRoot.replace(/\/$/, ""); + wasmDwarfSetAssetRootURL(root); + SourceMapConsumer.initialize({ + "lib/mappings.wasm": `${root}/source-map-mappings.wasm` + }); +} + +module.exports = { + setAssetRootURL +}; + +/***/ }) + +/******/ }); +});
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