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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
/** @typedef {import("../Compilation").EntryData} EntryData */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../Entrypoint")} Entrypoint */
class RuntimeChunkPlugin {
constructor(options) {
this.options = {
/**
* @param {Entrypoint} entrypoint entrypoint name
* @returns {string} runtime chunk name
*/
name: entrypoint => `runtime~${entrypoint.name}`,
...options
};
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.thisCompilation.tap("RuntimeChunkPlugin", compilation => {
compilation.hooks.addEntry.tap(
"RuntimeChunkPlugin",
(_, { name: entryName }) => {
if (entryName === undefined) return;
const data =
/** @type {EntryData} */
(compilation.entries.get(entryName));
if (data.options.runtime === undefined && !data.options.dependOn) {
// Determine runtime chunk name
let name = this.options.name;
if (typeof name === "function") {
name = name({ name: entryName });
}
data.options.runtime = name;
}
}
);
});
}
}
module.exports = RuntimeChunkPlugin;
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