mirror of https://github.com/webpack/webpack.git
45 lines
1.0 KiB
JavaScript
45 lines
1.0 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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/** @typedef {import("./Compiler")} Compiler */
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class FlagInitialModulesAsUsedPlugin {
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constructor(explanation) {
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this.explanation = explanation;
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}
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/**
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* @param {Compiler} compiler webpack compiler
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.compilation.tap(
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"FlagInitialModulesAsUsedPlugin",
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compilation => {
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const moduleGraph = compilation.moduleGraph;
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compilation.hooks.afterOptimizeChunks.tap(
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"FlagInitialModulesAsUsedPlugin",
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chunks => {
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const chunkGraph = compilation.chunkGraph;
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for (const chunk of chunks) {
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if (!chunk.isOnlyInitial()) {
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return;
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}
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for (const module of chunkGraph.getChunkModulesIterable(chunk)) {
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moduleGraph.setUsedExports(module, true);
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moduleGraph.addExtraReason(module, this.explanation);
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}
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}
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}
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);
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}
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);
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}
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}
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module.exports = FlagInitialModulesAsUsedPlugin;
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