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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- "use strict";
-
- const RawSource = require("webpack-sources").RawSource;
- const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
-
- class EvalSourceMapDevToolModuleTemplatePlugin {
- constructor(compilation, options) {
- this.compilation = compilation;
- this.sourceMapComment = options.append || "//# sourceURL=[module]\n//# sourceMappingURL=[url]";
- this.moduleFilenameTemplate = options.moduleFilenameTemplate || "webpack:///[resource-path]?[hash]";
- this.options = options;
- }
-
- apply(moduleTemplate) {
- const self = this;
- const options = this.options;
- moduleTemplate.plugin("module", function(source, module) {
- if(source.__EvalSourceMapDevToolData)
- return source.__EvalSourceMapDevToolData;
- let sourceMap;
- let content;
- if(source.sourceAndMap) {
- const sourceAndMap = source.sourceAndMap(options);
- sourceMap = sourceAndMap.map;
- content = sourceAndMap.source;
- } else {
- sourceMap = source.map(options);
- content = source.source();
- }
- if(!sourceMap) {
- return source;
- }
-
- // Clone (flat) the sourcemap to ensure that the mutations below do not persist.
- sourceMap = Object.keys(sourceMap).reduce(function(obj, key) {
- obj[key] = sourceMap[key];
- return obj;
- }, {});
- const modules = sourceMap.sources.map(function(source) {
- const module = self.compilation.findModule(source);
- return module || source;
- });
- let moduleFilenames = modules.map(function(module) {
- return ModuleFilenameHelpers.createFilename(module, self.moduleFilenameTemplate, this.requestShortener);
- }, this);
- moduleFilenames = ModuleFilenameHelpers.replaceDuplicates(moduleFilenames, function(filename, i, n) {
- for(let j = 0; j < n; j++)
- filename += "*";
- return filename;
- });
- sourceMap.sources = moduleFilenames;
- if(sourceMap.sourcesContent) {
- sourceMap.sourcesContent = sourceMap.sourcesContent.map(function(content, i) {
- return `${content}\n\n\n${ModuleFilenameHelpers.createFooter(modules[i], this.requestShortener)}`;
- }, this);
- }
- sourceMap.sourceRoot = options.sourceRoot || "";
- sourceMap.file = `${module.id}.js`;
-
- const footer = self.sourceMapComment.replace(/\[url\]/g, `data:application/json;charset=utf-8;base64,${new Buffer(JSON.stringify(sourceMap), "utf8").toString("base64")}`) + //eslint-disable-line
- `\n//# sourceURL=webpack-internal:///${module.id}\n`; // workaround for chrome bug
- source.__EvalSourceMapDevToolData = new RawSource(`eval(${JSON.stringify(content + footer)});`);
- return source.__EvalSourceMapDevToolData;
- });
- moduleTemplate.plugin("hash", function(hash) {
- hash.update("eval-source-map");
- hash.update("2");
- });
- }
- }
- module.exports = EvalSourceMapDevToolModuleTemplatePlugin;
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