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frontend/node_modules/workbox-precaching/utils/getOrCreatePrecacheController.js

@@ -0,0 +1,20 @@
+/*
+  Copyright 2019 Google LLC
+
+  Use of this source code is governed by an MIT-style
+  license that can be found in the LICENSE file or at
+  https://opensource.org/licenses/MIT.
+*/
+import { PrecacheController } from '../PrecacheController.js';
+import '../_version.js';
+let precacheController;
+/**
+ * @return {PrecacheController}
+ * @private
+ */
+export const getOrCreatePrecacheController = () => {
+    if (!precacheController) {
+        precacheController = new PrecacheController();
+    }
+    return precacheController;
+};