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1 files changed, 68 insertions, 0 deletions

diff --git a/node_modules/webpack/lib/optimize/ChunkModuleIdRangePlugin.js b/node_modules/webpack/lib/optimize/ChunkModuleIdRangePlugin.js
new file mode 100644
index 00000000..f507e426
--- /dev/null
+++ b/node_modules/webpack/lib/optimize/ChunkModuleIdRangePlugin.js
@@ -0,0 +1,68 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const sortByIndex = (a, b) => {
+	return a.index - b.index;
+};
+
+const sortByIndex2 = (a, b) => {
+	return a.index2 - b.index2;
+};
+
+class ChunkModuleIdRangePlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(compiler) {
+		const options = this.options;
+		compiler.hooks.compilation.tap("ChunkModuleIdRangePlugin", compilation => {
+			compilation.hooks.moduleIds.tap("ChunkModuleIdRangePlugin", modules => {
+				const chunk = compilation.chunks.find(
+					chunk => chunk.name === options.name
+				);
+				if (!chunk) {
+					throw new Error(
+						`ChunkModuleIdRangePlugin: Chunk with name '${
+							options.name
+						}"' was not found`
+					);
+				}
+
+				let chunkModules;
+				if (options.order) {
+					chunkModules = Array.from(chunk.modulesIterable);
+					switch (options.order) {
+						case "index":
+							chunkModules.sort(sortByIndex);
+							break;
+						case "index2":
+							chunkModules.sort(sortByIndex2);
+							break;
+						default:
+							throw new Error(
+								"ChunkModuleIdRangePlugin: unexpected value of order"
+							);
+					}
+				} else {
+					chunkModules = modules.filter(m => {
+						return m.chunksIterable.has(chunk);
+					});
+				}
+
+				let currentId = options.start || 0;
+				for (let i = 0; i < chunkModules.length; i++) {
+					const m = chunkModules[i];
+					if (m.id === null) {
+						m.id = currentId++;
+					}
+					if (options.end && currentId > options.end) break;
+				}
+			});
+		});
+	}
+}
+module.exports = ChunkModuleIdRangePlugin;