75 lines
2.0 KiB
JavaScript
75 lines
2.0 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const { RawSource } = require("webpack-sources");
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const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("./ModuleTemplate")} ModuleTemplate */
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/** @type {WeakMap<Source, Source>} */
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const cache = new WeakMap();
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class EvalDevToolModuleTemplatePlugin {
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constructor(options) {
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this.compilation = options.compilation;
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this.sourceUrlComment = options.sourceUrlComment || "\n//# sourceURL=[url]";
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this.moduleFilenameTemplate =
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options.moduleFilenameTemplate ||
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"webpack://[namespace]/[resourcePath]?[loaders]";
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this.namespace = options.namespace || "";
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}
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/**
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* @param {ModuleTemplate} moduleTemplate the module template
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* @returns {void}
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*/
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apply(moduleTemplate) {
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moduleTemplate.hooks.module.tap(
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"EvalDevToolModuleTemplatePlugin",
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(source, module) => {
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const cacheEntry = cache.get(source);
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if (cacheEntry !== undefined) return cacheEntry;
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const content = source.source();
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const str = ModuleFilenameHelpers.createFilename(
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module,
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{
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moduleFilenameTemplate: this.moduleFilenameTemplate,
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namespace: this.namespace
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},
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{
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requestShortener: moduleTemplate.runtimeTemplate.requestShortener,
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chunkGraph: this.compilation.chunkGraph
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}
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);
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const footer =
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"\n" +
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this.sourceUrlComment.replace(
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/\[url\]/g,
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encodeURI(str)
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.replace(/%2F/g, "/")
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.replace(/%20/g, "_")
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.replace(/%5E/g, "^")
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.replace(/%5C/g, "\\")
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.replace(/^\//, "")
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);
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const result = new RawSource(
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`eval(${JSON.stringify(content + footer)});`
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);
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cache.set(source, result);
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return result;
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}
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);
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moduleTemplate.hooks.hash.tap("EvalDevToolModuleTemplatePlugin", hash => {
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hash.update("EvalDevToolModuleTemplatePlugin");
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hash.update("2");
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});
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}
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}
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module.exports = EvalDevToolModuleTemplatePlugin;
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