/*
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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("../Compilation").EntryData} EntryData */
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/** @typedef {import("../Compiler")} Compiler */
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/** @typedef {import("../Entrypoint")} Entrypoint */
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const PLUGIN_NAME = "RuntimeChunkPlugin";
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/** @typedef {(entrypoint: { name: string }) => string} RuntimeChunkFunction */
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class RuntimeChunkPlugin {
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/**
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* @param {{ name?: RuntimeChunkFunction }=} options options
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*/
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constructor(options) {
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this.options = {
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/** @type {RuntimeChunkFunction} */
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name: entrypoint => `runtime~${entrypoint.name}`,
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...options
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};
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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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compilation.hooks.addEntry.tap(PLUGIN_NAME, (_, { name: entryName }) => {
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if (entryName === undefined) return;
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const data =
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/** @type {EntryData} */
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(compilation.entries.get(entryName));
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if (data.options.runtime === undefined && !data.options.dependOn) {
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// Determine runtime chunk name
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let name =
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/** @type {string | RuntimeChunkFunction} */
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(this.options.name);
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if (typeof name === "function") {
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name = name({ name: entryName });
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}
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data.options.runtime = name;
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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 = RuntimeChunkPlugin;
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