57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
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/*
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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 { getEntryRuntime } = require("./util/runtime");
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/** @typedef {import("./Compiler")} Compiler */
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const PLUGIN_NAME = "FlagEntryExportAsUsedPlugin";
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class FlagEntryExportAsUsedPlugin {
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/**
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* @param {boolean} nsObjectUsed true, if the ns object is used
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* @param {string} explanation explanation for the reason
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*/
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constructor(nsObjectUsed, explanation) {
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this.nsObjectUsed = nsObjectUsed;
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this.explanation = explanation;
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}
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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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compiler.hooks.thisCompilation.tap(PLUGIN_NAME, compilation => {
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const moduleGraph = compilation.moduleGraph;
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compilation.hooks.seal.tap(PLUGIN_NAME, () => {
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for (const [
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entryName,
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{ dependencies: deps, options }
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] of compilation.entries) {
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const runtime = getEntryRuntime(compilation, entryName, options);
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for (const dep of deps) {
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const module = moduleGraph.getModule(dep);
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if (module) {
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const exportsInfo = moduleGraph.getExportsInfo(module);
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if (this.nsObjectUsed) {
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exportsInfo.setUsedInUnknownWay(runtime);
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} else {
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exportsInfo.setAllKnownExportsUsed(runtime);
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}
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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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module.exports = FlagEntryExportAsUsedPlugin;
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