настройка webpack

node_modules/webpack/lib/FlagInitialModulesAsUsedPlugin.js

@@ -0,0 +1,36 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class FlagInitialModulesAsUsedPlugin {
+	constructor(explanation) {
+		this.explanation = explanation;
+	}
+
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"FlagInitialModulesAsUsedPlugin",
+			compilation => {
+				compilation.hooks.afterOptimizeChunks.tap(
+					"FlagInitialModulesAsUsedPlugin",
+					chunks => {
+						for (const chunk of chunks) {
+							if (!chunk.isOnlyInitial()) {
+								return;
+							}
+							for (const module of chunk.modulesIterable) {
+								module.used = true;
+								module.usedExports = true;
+								module.addReason(null, null, this.explanation);
+							}
+						}
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = FlagInitialModulesAsUsedPlugin;