mirror of https://github.com/webpack/webpack.git
145 lines
3.9 KiB
JavaScript
145 lines
3.9 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 { ConcatSource } = require("webpack-sources");
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const ConcatenatedModule = require("../optimize/ConcatenatedModule");
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const AbstractLibraryPlugin = require("./AbstractLibraryPlugin");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
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/** @typedef {import("../../declarations/WebpackOptions").LibraryType} LibraryType */
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/** @typedef {import("../Chunk")} Chunk */
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/** @typedef {import("../Compilation").ChunkHashContext} ChunkHashContext */
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/** @typedef {import("../Compiler")} Compiler */
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/** @typedef {import("../Module")} Module */
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/** @typedef {import("../Module").BuildMeta} BuildMeta */
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/** @typedef {import("../javascript/JavascriptModulesPlugin").StartupRenderContext} StartupRenderContext */
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/** @typedef {import("../util/Hash")} Hash */
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/** @template T @typedef {import("./AbstractLibraryPlugin").LibraryContext<T>} LibraryContext<T> */
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/**
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* @typedef {object} ModernModuleLibraryPluginOptions
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* @property {LibraryType} type
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*/
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/**
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* @typedef {object} ModernModuleLibraryPluginParsed
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* @property {string} name
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*/
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/**
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* @typedef {ModernModuleLibraryPluginParsed} T
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* @extends {AbstractLibraryPlugin<ModernModuleLibraryPluginParsed>}
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*/
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class ModernModuleLibraryPlugin extends AbstractLibraryPlugin {
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/**
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* Apply the plugin
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* @param {Compiler} compiler the compiler instance
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* @returns {void}
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*/
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apply(compiler) {
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super.apply(compiler);
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compiler.hooks.compilation.tap("ModernModuleLibraryPlugin", compilation => {
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const { exportsDefinitions } =
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ConcatenatedModule.getCompilationHooks(compilation);
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exportsDefinitions.tap("ModernModuleLibraryPlugin", () => true);
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});
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}
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/**
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* @param {ModernModuleLibraryPluginOptions} options the plugin options
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*/
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constructor(options) {
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super({
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pluginName: "ModernModuleLibraryPlugin",
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type: options.type
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});
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}
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/**
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* @param {LibraryOptions} library normalized library option
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* @returns {T | false} preprocess as needed by overriding
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*/
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parseOptions(library) {
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const { name } = library;
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if (name) {
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throw new Error(
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`Library name must be unset. ${AbstractLibraryPlugin.COMMON_LIBRARY_NAME_MESSAGE}`
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);
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}
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const _name = /** @type {string} */ (name);
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return {
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name: _name
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};
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}
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/**
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* @param {Source} source source
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* @param {Module} module module
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* @param {StartupRenderContext} renderContext render context
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* @param {LibraryContext<T>} libraryContext context
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* @returns {Source} source with library export
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*/
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renderStartup(
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source,
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module,
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{ moduleGraph, chunk },
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{ options, compilation }
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) {
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const result = new ConcatSource(source);
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const exportsInfo = moduleGraph.getExportsInfo(module);
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const definitions =
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/** @type {BuildMeta} */
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(module.buildMeta).exportsFinalName;
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const exports = [];
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for (const exportInfo of exportsInfo.orderedExports) {
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let shouldContinue = false;
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const reexport = exportInfo.findTarget(moduleGraph, _m => true);
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if (reexport) {
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const exp = moduleGraph.getExportsInfo(reexport.module);
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for (const reexportInfo of exp.orderedExports) {
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if (
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!reexportInfo.provided &&
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reexportInfo.name === /** @type {string[]} */ (reexport.export)[0]
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) {
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shouldContinue = true;
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}
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}
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}
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if (shouldContinue) continue;
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const webpackExportsProperty = exportInfo.getUsedName(
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exportInfo.name,
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chunk.runtime
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);
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const finalName =
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definitions[
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/** @type {string} */
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(webpackExportsProperty)
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];
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exports.push(
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finalName === exportInfo.name
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? finalName
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: `${finalName} as ${exportInfo.name}`
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);
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}
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if (exports.length > 0) {
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result.add(`export { ${exports.join(", ")} };\n`);
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}
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return result;
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}
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}
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module.exports = ModernModuleLibraryPlugin;
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