v1.0 with SW PWA enabled

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

@@ -0,0 +1,42 @@
+/*
+  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 { removeIgnoredSearchParams } from './removeIgnoredSearchParams.js';
+import '../_version.js';
+/**
+ * Generator function that yields possible variations on the original URL to
+ * check, one at a time.
+ *
+ * @param {string} url
+ * @param {Object} options
+ *
+ * @private
+ * @memberof workbox-precaching
+ */
+export function* generateURLVariations(url, { ignoreURLParametersMatching = [/^utm_/, /^fbclid$/], directoryIndex = 'index.html', cleanURLs = true, urlManipulation, } = {}) {
+    const urlObject = new URL(url, location.href);
+    urlObject.hash = '';
+    yield urlObject.href;
+    const urlWithoutIgnoredParams = removeIgnoredSearchParams(urlObject, ignoreURLParametersMatching);
+    yield urlWithoutIgnoredParams.href;
+    if (directoryIndex && urlWithoutIgnoredParams.pathname.endsWith('/')) {
+        const directoryURL = new URL(urlWithoutIgnoredParams.href);
+        directoryURL.pathname += directoryIndex;
+        yield directoryURL.href;
+    }
+    if (cleanURLs) {
+        const cleanURL = new URL(urlWithoutIgnoredParams.href);
+        cleanURL.pathname += '.html';
+        yield cleanURL.href;
+    }
+    if (urlManipulation) {
+        const additionalURLs = urlManipulation({ url: urlObject });
+        for (const urlToAttempt of additionalURLs) {
+            yield urlToAttempt.href;
+        }
+    }
+}