WIP - add extractor, generate snippet_data

node_modules/workbox-precaching/utils/cleanRedirect.mjs

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+/*
+  Copyright 2017 Google Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+import '../_version.mjs';
+
+/**
+ * @param {Response} response
+ * @return {Response}
+ *
+ * @private
+ * @memberof module:workbox-precaching
+ */
+const cleanRedirect = async (response) => {
+  const clonedResponse = response.clone();
+
+  // Not all browsers support the Response.body stream, so fall back
+  // to reading the entire body into memory as a blob.
+  const bodyPromise = 'body' in clonedResponse ?
+    Promise.resolve(clonedResponse.body) :
+    clonedResponse.blob();
+
+  const body = await bodyPromise;
+
+  // new Response() is happy when passed either a stream or a Blob.
+  return new Response(body, {
+    headers: clonedResponse.headers,
+    status: clonedResponse.status,
+    statusText: clonedResponse.statusText,
+  });
+};
+
+export default cleanRedirect;

node_modules/workbox-precaching/utils/printCleanupDetails.mjs

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+/*
+  Copyright 2017 Google Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+import {logger} from 'workbox-core/_private/logger.mjs';
+import '../_version.mjs';
+
+const logGroup = (groupTitle, urls) => {
+  logger.groupCollapsed(groupTitle);
+
+  urls.forEach((url) => {
+    logger.log(url);
+  });
+
+  logger.groupEnd();
+};
+
+/**
+ * @param {Array<string>} deletedCacheRequests
+ * @param {Array<string>} deletedRevisionDetails
+ *
+ * @private
+ * @memberof module:workbox-precachig
+ */
+export default (deletedCacheRequests, deletedRevisionDetails) => {
+  if (deletedCacheRequests.length === 0 &&
+    deletedRevisionDetails.length === 0) {
+    return;
+  }
+
+  const cacheDeleteCount = deletedCacheRequests.length;
+  const revisionDeleteCount = deletedRevisionDetails.length;
+
+  const cacheDeleteText =
+    `${cacheDeleteCount} cached ` +
+    `request${cacheDeleteCount === 1 ? ' was' : 's were'} deleted`;
+  const revisionDeleteText =
+    `${revisionDeleteCount} ` +
+    `${revisionDeleteCount === 1 ? 'entry' : 'entries'} ` +
+    `${revisionDeleteCount === 1 ? 'was' : 'were'} deleted from IndexedDB.`;
+
+  logger.groupCollapsed(
+    `During precaching cleanup, ${cacheDeleteText} and ${revisionDeleteText}`);
+
+  logGroup('Deleted Cache Requests', deletedCacheRequests);
+  logGroup('Revision Details Deleted from DB', deletedRevisionDetails);
+
+  logger.groupEnd();
+};

node_modules/workbox-precaching/utils/printInstallDetails.mjs

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+/*
+  Copyright 2017 Google Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+import {logger} from 'workbox-core/_private/logger.mjs';
+import '../_version.mjs';
+
+/**
+ * @param {string} groupTitle
+ * @param {Array<PrecacheEntry>} entries
+ *
+ * @private
+ */
+const _nestedGroup = (groupTitle, entries) => {
+  if (entries.length === 0) {
+    return;
+  }
+
+  logger.groupCollapsed(groupTitle);
+
+  entries.forEach((entry) => {
+    logger.log(entry._originalInput);
+  });
+
+  logger.groupEnd();
+};
+
+/**
+ * @param {Array<Object>} entriesToPrecache
+ * @param {Array<Object>} alreadyPrecachedEntries
+ *
+ * @private
+ * @memberof module:workbox-precachig
+ */
+export default (entriesToPrecache, alreadyPrecachedEntries) => {
+  // Goal is to print the message:
+  //    Precaching X files.
+  // Or:
+  //    Precaching X files. Y files were cached and up-to-date.
+
+  const precachedCount = entriesToPrecache.length;
+  const alreadyPrecachedCount = alreadyPrecachedEntries.length;
+  let printText =
+    `Precaching ${precachedCount} file${precachedCount === 1 ? '' : 's'}.`;
+  if (alreadyPrecachedCount > 0) {
+    printText += ` ${alreadyPrecachedCount} ` +
+      `file${alreadyPrecachedCount === 1 ? ' is' : 's are'} already cached.`;
+  }
+
+  logger.groupCollapsed(printText);
+
+  _nestedGroup(
+    `View precached URLs.`,
+    entriesToPrecache);
+  _nestedGroup(
+    `View URLs that were already precached.`,
+    alreadyPrecachedEntries);
+  logger.groupEnd();
+};

node_modules/workbox-precaching/utils/showWarningsIfNeeded.mjs

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+/*
+  Copyright 2017 Google Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+import {logger} from 'workbox-core/_private/logger.mjs';
+import '../_version.mjs';
+
+/**
+ * This method will print out a warning if a precache entry doesn't have
+ * a `revision` value.
+ *
+ * This is common if the asset if revisioned in the url like `index.1234.css`.
+ *
+ * @param {Map} entriesMap
+ *
+ * @private
+ * @memberof module:workbox-preaching
+ */
+export default (entriesMap) => {
+  const urlOnlyEntries = [];
+  entriesMap.forEach(
+    (entry) => {
+      if (typeof entry === 'string' || !entry._originalInput.revision) {
+        urlOnlyEntries.push(entry._originalInput);
+      }
+    }
+  );
+
+  if (urlOnlyEntries.length === 0) {
+    // No warnings needed.
+    return;
+  }
+
+  logger.groupCollapsed('Are your precached assets revisioned?');
+
+  const urlsList = urlOnlyEntries.map((urlOnlyEntry) => {
+    return `    - ${JSON.stringify(urlOnlyEntry)}`;
+  }).join(`\n`);
+
+  logger.warn(
+    `The following precache entries might not be revisioned:` +
+    `\n\n` +
+    urlsList +
+    `\n\n`
+  );
+
+  logger.unprefixed.warn(`You can learn more about why this might be a ` +
+    `problem here: https://developers.google.com/web/tools/workbox/modules/workbox-precaching`);
+
+  logger.groupEnd();
+};