1 files changed, 79 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/ids/DeterministicChunkIdsPlugin.js b/node_modules/webpack/lib/ids/DeterministicChunkIdsPlugin.js
new file mode 100644
index 00000000..4547400c
--- /dev/null
+++ b/node_modules/webpack/lib/ids/DeterministicChunkIdsPlugin.js
@@ -0,0 +1,79 @@
+/*
+	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 => {
+								return 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;
+							},
+							[Math.pow(10, maxLength)],
+							10,
+							usedIds.size
+						);
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = DeterministicChunkIdsPlugin;