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node_modules/webpack/lib/ids/NamedChunkIdsPlugin.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { compareChunksNatural } = require("../util/comparators");
+const {
+	assignAscendingChunkIds,
+	assignNames,
+	getLongChunkName,
+	getShortChunkName,
+	getUsedChunkIds
+} = require("./IdHelpers");
+
+/** @typedef {import("../Compiler")} Compiler */
+
+/**
+ * @typedef {object} NamedChunkIdsPluginOptions
+ * @property {string=} context context
+ * @property {string=} delimiter delimiter
+ */
+
+const PLUGIN_NAME = "NamedChunkIdsPlugin";
+
+class NamedChunkIdsPlugin {
+	/**
+	 * @param {NamedChunkIdsPluginOptions=} options options
+	 */
+	constructor(options = {}) {
+		/** @type {NamedChunkIdsPluginOptions} */
+		this.options = options;
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(PLUGIN_NAME, (compilation) => {
+			const hashFunction = compilation.outputOptions.hashFunction;
+			compilation.hooks.chunkIds.tap(PLUGIN_NAME, (chunks) => {
+				const chunkGraph = compilation.chunkGraph;
+				const context = this.options.context
+					? this.options.context
+					: compiler.context;
+				const delimiter = this.options.delimiter || "-";
+
+				const unnamedChunks = assignNames(
+					[...chunks].filter((chunk) => {
+						if (chunk.name) {
+							chunk.id = chunk.name;
+							chunk.ids = [chunk.name];
+						}
+						return chunk.id === null;
+					}),
+					(chunk) =>
+						getShortChunkName(
+							chunk,
+							chunkGraph,
+							context,
+							delimiter,
+							hashFunction,
+							compiler.root
+						),
+					(chunk) =>
+						getLongChunkName(
+							chunk,
+							chunkGraph,
+							context,
+							delimiter,
+							hashFunction,
+							compiler.root
+						),
+					compareChunksNatural(chunkGraph),
+					getUsedChunkIds(compilation),
+					(chunk, name) => {
+						chunk.id = name;
+						chunk.ids = [name];
+					}
+				);
+				if (unnamedChunks.length > 0) {
+					assignAscendingChunkIds(unnamedChunks, compilation);
+				}
+			});
+		});
+	}
+}
+
+module.exports = NamedChunkIdsPlugin;