настройка webpack

node_modules/webpack/lib/dependencies/HarmonyCompatibilityDependency.js

@@ -0,0 +1,31 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+const NullDependency = require("./NullDependency");
+
+class HarmonyCompatibilityDependency extends NullDependency {
+	constructor(originModule) {
+		super();
+		this.originModule = originModule;
+	}
+
+	get type() {
+		return "harmony export header";
+	}
+}
+
+HarmonyCompatibilityDependency.Template = class HarmonyExportDependencyTemplate {
+	apply(dep, source, runtime) {
+		const usedExports = dep.originModule.usedExports;
+		if (usedExports !== false && !Array.isArray(usedExports)) {
+			const content = runtime.defineEsModuleFlagStatement({
+				exportsArgument: dep.originModule.exportsArgument
+			});
+			source.insert(-10, content);
+		}
+	}
+};
+
+module.exports = HarmonyCompatibilityDependency;