1 files changed, 57 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/optimize/RuntimeChunkPlugin.js b/node_modules/webpack/lib/optimize/RuntimeChunkPlugin.js
new file mode 100644
index 00000000..1923e468
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/RuntimeChunkPlugin.js
@@ -0,0 +1,57 @@
+/*
+	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 {
+	/**
+	 * @param {{ name?: (entrypoint: { name: string }) => string }} options options
+	 */
+	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 =
+							/** @type {string | ((entrypoint: { name: string }) => string)} */
+							(this.options.name);
+						if (typeof name === "function") {
+							name = name({ name: entryName });
+						}
+						data.options.runtime = name;
+					}
+				}
+			);
+		});
+	}
+}
+
+module.exports = RuntimeChunkPlugin;