1 files changed, 301 insertions, 209 deletions
diff --git a/node_modules/webpack/lib/SourceMapDevToolPlugin.js b/node_modules/webpack/lib/SourceMapDevToolPlugin.js
index e63f34afb..315a9c22c 100644
--- a/node_modules/webpack/lib/SourceMapDevToolPlugin.js
+++ b/node_modules/webpack/lib/SourceMapDevToolPlugin.js
@@ -1,209 +1,301 @@
-/*
-	MIT License http://www.opensource.org/licenses/mit-license.php
-	Author Tobias Koppers @sokra
-*/
-"use strict";
-
-const path = require("path");
-const crypto = require("crypto");
-const RequestShortener = require("./RequestShortener");
-const ConcatSource = require("webpack-sources").ConcatSource;
-const RawSource = require("webpack-sources").RawSource;
-const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
-const SourceMapDevToolModuleOptionsPlugin = require("./SourceMapDevToolModuleOptionsPlugin");
-
-const basename = (name) => {
-	if(name.indexOf("/") < 0) return name;
-	return name.substr(name.lastIndexOf("/") + 1);
-};
-
-function getTaskForFile(file, chunk, options, compilation) {
-	const asset = compilation.assets[file];
-	if(asset.__SourceMapDevToolFile === file && asset.__SourceMapDevToolData) {
-		const data = asset.__SourceMapDevToolData;
-		for(const cachedFile in data) {
-			compilation.assets[cachedFile] = data[cachedFile];
-			if(cachedFile !== file)
-				chunk.files.push(cachedFile);
-		}
-		return;
-	}
-	let source, sourceMap;
-	if(asset.sourceAndMap) {
-		const sourceAndMap = asset.sourceAndMap(options);
-		sourceMap = sourceAndMap.map;
-		source = sourceAndMap.source;
-	} else {
-		sourceMap = asset.map(options);
-		source = asset.source();
-	}
-	if(sourceMap) {
-		return {
-			chunk,
-			file,
-			asset,
-			source,
-			sourceMap,
-			modules: undefined
-		};
-	}
-}
-
-class SourceMapDevToolPlugin {
-	constructor(options) {
-		if(arguments.length > 1)
-			throw new Error("SourceMapDevToolPlugin only takes one argument (pass an options object)");
-		// TODO: remove in webpack 3
-		if(typeof options === "string") {
-			options = {
-				sourceMapFilename: options
-			};
-		}
-		if(!options) options = {};
-		this.sourceMapFilename = options.filename;
-		this.sourceMappingURLComment = options.append === false ? false : options.append || "\n//# sourceMappingURL=[url]";
-		this.moduleFilenameTemplate = options.moduleFilenameTemplate || "webpack:///[resourcePath]";
-		this.fallbackModuleFilenameTemplate = options.fallbackModuleFilenameTemplate || "webpack:///[resourcePath]?[hash]";
-		this.options = options;
-	}
-
-	apply(compiler) {
-		const sourceMapFilename = this.sourceMapFilename;
-		const sourceMappingURLComment = this.sourceMappingURLComment;
-		const moduleFilenameTemplate = this.moduleFilenameTemplate;
-		const fallbackModuleFilenameTemplate = this.fallbackModuleFilenameTemplate;
-		const requestShortener = new RequestShortener(compiler.context);
-		const options = this.options;
-		options.test = options.test || /\.(js|css)($|\?)/i;
-
-		const matchObject = ModuleFilenameHelpers.matchObject.bind(undefined, options);
-
-		compiler.plugin("compilation", compilation => {
-			new SourceMapDevToolModuleOptionsPlugin(options).apply(compilation);
-
-			compilation.plugin("after-optimize-chunk-assets", function(chunks) {
-				const moduleToSourceNameMapping = new Map();
-				const tasks = [];
-
-				chunks.forEach(function(chunk) {
-					chunk.files.forEach(file => {
-						if(matchObject(file)) {
-							const task = getTaskForFile(file, chunk, options, compilation);
-
-							if(task) {
-								const modules = task.sourceMap.sources.map(source => {
-									const module = compilation.findModule(source);
-									return module || source;
-								});
-
-								for(let idx = 0; idx < modules.length; idx++) {
-									const module = modules[idx];
-									if(!moduleToSourceNameMapping.get(module)) {
-										moduleToSourceNameMapping.set(module, ModuleFilenameHelpers.createFilename(module, moduleFilenameTemplate, requestShortener));
-									}
-								}
-
-								task.modules = modules;
-
-								tasks.push(task);
-							}
-						}
-					});
-				});
-
-				const usedNamesSet = new Set(moduleToSourceNameMapping.values());
-				const conflictDetectionSet = new Set();
-
-				// all modules in defined order (longest identifier first)
-				const allModules = Array.from(moduleToSourceNameMapping.keys()).sort((a, b) => {
-					const ai = typeof a === "string" ? a : a.identifier();
-					const bi = typeof b === "string" ? b : b.identifier();
-					return ai.length - bi.length;
-				});
-
-				// find modules with conflicting source names
-				for(let idx = 0; idx < allModules.length; idx++) {
-					const module = allModules[idx];
-					let sourceName = moduleToSourceNameMapping.get(module);
-					let hasName = conflictDetectionSet.has(sourceName);
-					if(!hasName) {
-						conflictDetectionSet.add(sourceName);
-						continue;
-					}
-
-					// try the fallback name first
-					sourceName = ModuleFilenameHelpers.createFilename(module, fallbackModuleFilenameTemplate, requestShortener);
-					hasName = usedNamesSet.has(sourceName);
-					if(!hasName) {
-						moduleToSourceNameMapping.set(module, sourceName);
-						usedNamesSet.add(sourceName);
-						continue;
-					}
-
-					// elsewise just append stars until we have a valid name
-					while(hasName) {
-						sourceName += "*";
-						hasName = usedNamesSet.has(sourceName);
-					}
-					moduleToSourceNameMapping.set(module, sourceName);
-					usedNamesSet.add(sourceName);
-				}
-				tasks.forEach(function(task) {
-					const chunk = task.chunk;
-					const file = task.file;
-					const asset = task.asset;
-					const sourceMap = task.sourceMap;
-					const source = task.source;
-					const modules = task.modules;
-					const moduleFilenames = modules.map(m => moduleToSourceNameMapping.get(m));
-					sourceMap.sources = moduleFilenames;
-					if(sourceMap.sourcesContent && !options.noSources) {
-						sourceMap.sourcesContent = sourceMap.sourcesContent.map((content, i) => typeof content === "string" ? `${content}\n\n\n${ModuleFilenameHelpers.createFooter(modules[i], requestShortener)}` : null);
-					} else {
-						sourceMap.sourcesContent = undefined;
-					}
-					sourceMap.sourceRoot = options.sourceRoot || "";
-					sourceMap.file = file;
-					asset.__SourceMapDevToolFile = file;
-					asset.__SourceMapDevToolData = {};
-					let currentSourceMappingURLComment = sourceMappingURLComment;
-					if(currentSourceMappingURLComment !== false && /\.css($|\?)/i.test(file)) {
-						currentSourceMappingURLComment = currentSourceMappingURLComment.replace(/^\n\/\/(.*)$/, "\n/*$1*/");
-					}
-					const sourceMapString = JSON.stringify(sourceMap);
-					if(sourceMapFilename) {
-						let filename = file;
-						let query = "";
-						const idx = filename.indexOf("?");
-						if(idx >= 0) {
-							query = filename.substr(idx);
-							filename = filename.substr(0, idx);
-						}
-						let sourceMapFile = compilation.getPath(sourceMapFilename, {
-							chunk,
-							filename: options.fileContext ? path.relative(options.fileContext, filename) : filename,
-							query,
-							basename: basename(filename)
-						});
-						if(sourceMapFile.indexOf("[contenthash]") !== -1) {
-							sourceMapFile = sourceMapFile.replace(/\[contenthash\]/g, crypto.createHash("md5").update(sourceMapString).digest("hex"));
-						}
-						const sourceMapUrl = options.publicPath ? options.publicPath + sourceMapFile.replace(/\\/g, "/") : path.relative(path.dirname(file), sourceMapFile).replace(/\\/g, "/");
-						if(currentSourceMappingURLComment !== false) {
-							asset.__SourceMapDevToolData[file] = compilation.assets[file] = new ConcatSource(new RawSource(source), currentSourceMappingURLComment.replace(/\[url\]/g, sourceMapUrl));
-						}
-						asset.__SourceMapDevToolData[sourceMapFile] = compilation.assets[sourceMapFile] = new RawSource(sourceMapString);
-						chunk.files.push(sourceMapFile);
-					} else {
-						asset.__SourceMapDevToolData[file] = compilation.assets[file] = new ConcatSource(new RawSource(source), currentSourceMappingURLComment
-							.replace(/\[map\]/g, () => sourceMapString)
-							.replace(/\[url\]/g, () => `data:application/json;charset=utf-8;base64,${new Buffer(sourceMapString, "utf-8").toString("base64")}`) // eslint-disable-line
-						);
-					}
-				});
-			});
-		});
-	}
-}
-
-module.exports = SourceMapDevToolPlugin;
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+const { ConcatSource, RawSource } = require("webpack-sources");
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+const SourceMapDevToolModuleOptionsPlugin = require("./SourceMapDevToolModuleOptionsPlugin");
+const createHash = require("./util/createHash");
+
+const validateOptions = require("schema-utils");
+const schema = require("../schemas/plugins/SourceMapDevToolPlugin.json");
+
+const basename = name => {
+	if (!name.includes("/")) return name;
+	return name.substr(name.lastIndexOf("/") + 1);
+};
+
+const assetsCache = new WeakMap();
+
+const getTaskForFile = (file, chunk, options, compilation) => {
+	const asset = compilation.assets[file];
+	const cache = assetsCache.get(asset);
+	if (cache && cache.file === file) {
+		for (const cachedFile in cache.assets) {
+			compilation.assets[cachedFile] = cache.assets[cachedFile];
+			if (cachedFile !== file) chunk.files.push(cachedFile);
+		}
+		return;
+	}
+	let source, sourceMap;
+	if (asset.sourceAndMap) {
+		const sourceAndMap = asset.sourceAndMap(options);
+		sourceMap = sourceAndMap.map;
+		source = sourceAndMap.source;
+	} else {
+		sourceMap = asset.map(options);
+		source = asset.source();
+	}
+	if (sourceMap) {
+		return {
+			chunk,
+			file,
+			asset,
+			source,
+			sourceMap,
+			modules: undefined
+		};
+	}
+};
+
+class SourceMapDevToolPlugin {
+	constructor(options) {
+		if (arguments.length > 1) {
+			throw new Error(
+				"SourceMapDevToolPlugin only takes one argument (pass an options object)"
+			);
+		}
+
+		validateOptions(schema, options || {}, "SourceMap DevTool Plugin");
+
+		if (!options) options = {};
+		this.sourceMapFilename = options.filename;
+		this.sourceMappingURLComment =
+			options.append === false
+				? false
+				: options.append || "\n//# sourceMappingURL=[url]";
+		this.moduleFilenameTemplate =
+			options.moduleFilenameTemplate || "webpack://[namespace]/[resourcePath]";
+		this.fallbackModuleFilenameTemplate =
+			options.fallbackModuleFilenameTemplate ||
+			"webpack://[namespace]/[resourcePath]?[hash]";
+		this.namespace = options.namespace || "";
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const sourceMapFilename = this.sourceMapFilename;
+		const sourceMappingURLComment = this.sourceMappingURLComment;
+		const moduleFilenameTemplate = this.moduleFilenameTemplate;
+		const namespace = this.namespace;
+		const fallbackModuleFilenameTemplate = this.fallbackModuleFilenameTemplate;
+		const requestShortener = compiler.requestShortener;
+		const options = this.options;
+		options.test = options.test || /\.(m?js|css)($|\?)/i;
+
+		const matchObject = ModuleFilenameHelpers.matchObject.bind(
+			undefined,
+			options
+		);
+
+		compiler.hooks.compilation.tap("SourceMapDevToolPlugin", compilation => {
+			new SourceMapDevToolModuleOptionsPlugin(options).apply(compilation);
+
+			compilation.hooks.afterOptimizeChunkAssets.tap(
+				{
+					name: "SourceMapDevToolPlugin",
+					context: true
+				},
+				(context, chunks) => {
+					const moduleToSourceNameMapping = new Map();
+					const reportProgress =
+						context && context.reportProgress
+							? context.reportProgress
+							: () => {};
+
+					const files = [];
+					for (const chunk of chunks) {
+						for (const file of chunk.files) {
+							if (matchObject(file)) {
+								files.push({
+									file,
+									chunk
+								});
+							}
+						}
+					}
+
+					reportProgress(0.0);
+					const tasks = [];
+					files.forEach(({ file, chunk }, idx) => {
+						reportProgress(
+							(0.5 * idx) / files.length,
+							file,
+							"generate SourceMap"
+						);
+						const task = getTaskForFile(file, chunk, options, compilation);
+
+						if (task) {
+							const modules = task.sourceMap.sources.map(source => {
+								const module = compilation.findModule(source);
+								return module || source;
+							});
+
+							for (let idx = 0; idx < modules.length; idx++) {
+								const module = modules[idx];
+								if (!moduleToSourceNameMapping.get(module)) {
+									moduleToSourceNameMapping.set(
+										module,
+										ModuleFilenameHelpers.createFilename(
+											module,
+											{
+												moduleFilenameTemplate: moduleFilenameTemplate,
+												namespace: namespace
+											},
+											requestShortener
+										)
+									);
+								}
+							}
+
+							task.modules = modules;
+
+							tasks.push(task);
+						}
+					});
+
+					reportProgress(0.5, "resolve sources");
+					const usedNamesSet = new Set(moduleToSourceNameMapping.values());
+					const conflictDetectionSet = new Set();
+
+					// all modules in defined order (longest identifier first)
+					const allModules = Array.from(moduleToSourceNameMapping.keys()).sort(
+						(a, b) => {
+							const ai = typeof a === "string" ? a : a.identifier();
+							const bi = typeof b === "string" ? b : b.identifier();
+							return ai.length - bi.length;
+						}
+					);
+
+					// find modules with conflicting source names
+					for (let idx = 0; idx < allModules.length; idx++) {
+						const module = allModules[idx];
+						let sourceName = moduleToSourceNameMapping.get(module);
+						let hasName = conflictDetectionSet.has(sourceName);
+						if (!hasName) {
+							conflictDetectionSet.add(sourceName);
+							continue;
+						}
+
+						// try the fallback name first
+						sourceName = ModuleFilenameHelpers.createFilename(
+							module,
+							{
+								moduleFilenameTemplate: fallbackModuleFilenameTemplate,
+								namespace: namespace
+							},
+							requestShortener
+						);
+						hasName = usedNamesSet.has(sourceName);
+						if (!hasName) {
+							moduleToSourceNameMapping.set(module, sourceName);
+							usedNamesSet.add(sourceName);
+							continue;
+						}
+
+						// elsewise just append stars until we have a valid name
+						while (hasName) {
+							sourceName += "*";
+							hasName = usedNamesSet.has(sourceName);
+						}
+						moduleToSourceNameMapping.set(module, sourceName);
+						usedNamesSet.add(sourceName);
+					}
+					tasks.forEach((task, index) => {
+						reportProgress(
+							0.5 + (0.5 * index) / tasks.length,
+							task.file,
+							"attach SourceMap"
+						);
+						const assets = Object.create(null);
+						const chunk = task.chunk;
+						const file = task.file;
+						const asset = task.asset;
+						const sourceMap = task.sourceMap;
+						const source = task.source;
+						const modules = task.modules;
+						const moduleFilenames = modules.map(m =>
+							moduleToSourceNameMapping.get(m)
+						);
+						sourceMap.sources = moduleFilenames;
+						if (options.noSources) {
+							sourceMap.sourcesContent = undefined;
+						}
+						sourceMap.sourceRoot = options.sourceRoot || "";
+						sourceMap.file = file;
+						assetsCache.set(asset, { file, assets });
+						let currentSourceMappingURLComment = sourceMappingURLComment;
+						if (
+							currentSourceMappingURLComment !== false &&
+							/\.css($|\?)/i.test(file)
+						) {
+							currentSourceMappingURLComment = currentSourceMappingURLComment.replace(
+								/^\n\/\/(.*)$/,
+								"\n/*$1*/"
+							);
+						}
+						const sourceMapString = JSON.stringify(sourceMap);
+						if (sourceMapFilename) {
+							let filename = file;
+							let query = "";
+							const idx = filename.indexOf("?");
+							if (idx >= 0) {
+								query = filename.substr(idx);
+								filename = filename.substr(0, idx);
+							}
+							let sourceMapFile = compilation.getPath(sourceMapFilename, {
+								chunk,
+								filename: options.fileContext
+									? path.relative(options.fileContext, filename)
+									: filename,
+								query,
+								basename: basename(filename),
+								contentHash: createHash("md4")
+									.update(sourceMapString)
+									.digest("hex")
+							});
+							const sourceMapUrl = options.publicPath
+								? options.publicPath + sourceMapFile.replace(/\\/g, "/")
+								: path
+										.relative(path.dirname(file), sourceMapFile)
+										.replace(/\\/g, "/");
+							if (currentSourceMappingURLComment !== false) {
+								assets[file] = compilation.assets[file] = new ConcatSource(
+									new RawSource(source),
+									currentSourceMappingURLComment.replace(
+										/\[url\]/g,
+										sourceMapUrl
+									)
+								);
+							}
+							assets[sourceMapFile] = compilation.assets[
+								sourceMapFile
+							] = new RawSource(sourceMapString);
+							chunk.files.push(sourceMapFile);
+						} else {
+							assets[file] = compilation.assets[file] = new ConcatSource(
+								new RawSource(source),
+								currentSourceMappingURLComment
+									.replace(/\[map\]/g, () => sourceMapString)
+									.replace(
+										/\[url\]/g,
+										() =>
+											`data:application/json;charset=utf-8;base64,${Buffer.from(
+												sourceMapString,
+												"utf-8"
+											).toString("base64")}`
+									)
+							);
+						}
+					});
+					reportProgress(1.0);
+				}
+			);
+		});
+	}
+}
+
+module.exports = SourceMapDevToolPlugin;