настройка webpack

node_modules/webpack/lib/dependencies/HarmonyImportSideEffectDependency.js

@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const HarmonyImportDependency = require("./HarmonyImportDependency");
+
+class HarmonyImportSideEffectDependency extends HarmonyImportDependency {
+	constructor(request, originModule, sourceOrder, parserScope) {
+		super(request, originModule, sourceOrder, parserScope);
+	}
+
+	getReference() {
+		if (this._module && this._module.factoryMeta.sideEffectFree) return null;
+
+		return super.getReference();
+	}
+
+	get type() {
+		return "harmony side effect evaluation";
+	}
+}
+
+HarmonyImportSideEffectDependency.Template = class HarmonyImportSideEffectDependencyTemplate extends HarmonyImportDependency.Template {
+	getHarmonyInitOrder(dep) {
+		if (dep._module && dep._module.factoryMeta.sideEffectFree) return NaN;
+		return super.getHarmonyInitOrder(dep);
+	}
+};
+
+module.exports = HarmonyImportSideEffectDependency;