1 files changed, 31 insertions, 30 deletions
diff --git a/node_modules/webpack/lib/dependencies/HarmonyCompatibilityDependency.js b/node_modules/webpack/lib/dependencies/HarmonyCompatibilityDependency.js
index 8bd7bb708..d6febb5ac 100644
--- a/node_modules/webpack/lib/dependencies/HarmonyCompatibilityDependency.js
+++ b/node_modules/webpack/lib/dependencies/HarmonyCompatibilityDependency.js
@@ -1,30 +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) {
-		const usedExports = dep.originModule.usedExports;
-		if(usedExports && !Array.isArray(usedExports)) {
-			const exportName = dep.originModule.exportsArgument || "exports";
-			const content = `Object.defineProperty(${exportName}, "__esModule", { value: true });\n`;
-			source.insert(-10, content);
-		}
-	}
-};
-
-module.exports = HarmonyCompatibilityDependency;
+/*
+	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;