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app_vue/node_modules/webpack/lib/ids/DeterministicChunkIdsPlugin.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Florent Cailhol @ooflorent
+*/
+
+"use strict";
+
+const { compareChunksNatural } = require("../util/comparators");
+const {
+	getFullChunkName,
+	getUsedChunkIds,
+	assignDeterministicIds
+} = require("./IdHelpers");
+
+/** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("../Module")} Module */
+
+/**
+ * @typedef {object} DeterministicChunkIdsPluginOptions
+ * @property {string=} context context for ids
+ * @property {number=} maxLength maximum length of ids
+ */
+
+class DeterministicChunkIdsPlugin {
+	/**
+	 * @param {DeterministicChunkIdsPluginOptions=} options options
+	 */
+	constructor(options = {}) {
+		this.options = options;
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"DeterministicChunkIdsPlugin",
+			compilation => {
+				compilation.hooks.chunkIds.tap(
+					"DeterministicChunkIdsPlugin",
+					chunks => {
+						const chunkGraph = compilation.chunkGraph;
+						const context = this.options.context
+							? this.options.context
+							: compiler.context;
+						const maxLength = this.options.maxLength || 3;
+
+						const compareNatural = compareChunksNatural(chunkGraph);
+
+						const usedIds = getUsedChunkIds(compilation);
+						assignDeterministicIds(
+							Array.from(chunks).filter(chunk => chunk.id === null),
+							chunk =>
+								getFullChunkName(chunk, chunkGraph, context, compiler.root),
+							compareNatural,
+							(chunk, id) => {
+								const size = usedIds.size;
+								usedIds.add(`${id}`);
+								if (size === usedIds.size) return false;
+								chunk.id = id;
+								chunk.ids = [id];
+								return true;
+							},
+							[10 ** maxLength],
+							10,
+							usedIds.size
+						);
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = DeterministicChunkIdsPlugin;