0.2.0 - Mid migration

web/node_modules/workbox-expiration/build/workbox-expiration.dev.js

@@ -0,0 +1,649 @@
+this.workbox = this.workbox || {};
+this.workbox.expiration = (function (exports, assert_js, dontWaitFor_js, logger_js, WorkboxError_js, DBWrapper_js, deleteDatabase_js, cacheNames_js, getFriendlyURL_js, registerQuotaErrorCallback_js) {
+    'use strict';
+
+    try {
+      self['workbox:expiration:5.1.4'] && _();
+    } catch (e) {}
+
+    /*
+      Copyright 2018 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.
+    */
+    const DB_NAME = 'workbox-expiration';
+    const OBJECT_STORE_NAME = 'cache-entries';
+
+    const normalizeURL = unNormalizedUrl => {
+      const url = new URL(unNormalizedUrl, location.href);
+      url.hash = '';
+      return url.href;
+    };
+    /**
+     * Returns the timestamp model.
+     *
+     * @private
+     */
+
+
+    class CacheTimestampsModel {
+      /**
+       *
+       * @param {string} cacheName
+       *
+       * @private
+       */
+      constructor(cacheName) {
+        this._cacheName = cacheName;
+        this._db = new DBWrapper_js.DBWrapper(DB_NAME, 1, {
+          onupgradeneeded: event => this._handleUpgrade(event)
+        });
+      }
+      /**
+       * Should perform an upgrade of indexedDB.
+       *
+       * @param {Event} event
+       *
+       * @private
+       */
+
+
+      _handleUpgrade(event) {
+        const db = event.target.result; // TODO(philipwalton): EdgeHTML doesn't support arrays as a keyPath, so we
+        // have to use the `id` keyPath here and create our own values (a
+        // concatenation of `url + cacheName`) instead of simply using
+        // `keyPath: ['url', 'cacheName']`, which is supported in other browsers.
+
+        const objStore = db.createObjectStore(OBJECT_STORE_NAME, {
+          keyPath: 'id'
+        }); // TODO(philipwalton): once we don't have to support EdgeHTML, we can
+        // create a single index with the keyPath `['cacheName', 'timestamp']`
+        // instead of doing both these indexes.
+
+        objStore.createIndex('cacheName', 'cacheName', {
+          unique: false
+        });
+        objStore.createIndex('timestamp', 'timestamp', {
+          unique: false
+        }); // Previous versions of `workbox-expiration` used `this._cacheName`
+        // as the IDBDatabase name.
+
+        deleteDatabase_js.deleteDatabase(this._cacheName);
+      }
+      /**
+       * @param {string} url
+       * @param {number} timestamp
+       *
+       * @private
+       */
+
+
+      async setTimestamp(url, timestamp) {
+        url = normalizeURL(url);
+        const entry = {
+          url,
+          timestamp,
+          cacheName: this._cacheName,
+          // Creating an ID from the URL and cache name won't be necessary once
+          // Edge switches to Chromium and all browsers we support work with
+          // array keyPaths.
+          id: this._getId(url)
+        };
+        await this._db.put(OBJECT_STORE_NAME, entry);
+      }
+      /**
+       * Returns the timestamp stored for a given URL.
+       *
+       * @param {string} url
+       * @return {number}
+       *
+       * @private
+       */
+
+
+      async getTimestamp(url) {
+        const entry = await this._db.get(OBJECT_STORE_NAME, this._getId(url));
+        return entry.timestamp;
+      }
+      /**
+       * Iterates through all the entries in the object store (from newest to
+       * oldest) and removes entries once either `maxCount` is reached or the
+       * entry's timestamp is less than `minTimestamp`.
+       *
+       * @param {number} minTimestamp
+       * @param {number} maxCount
+       * @return {Array<string>}
+       *
+       * @private
+       */
+
+
+      async expireEntries(minTimestamp, maxCount) {
+        const entriesToDelete = await this._db.transaction(OBJECT_STORE_NAME, 'readwrite', (txn, done) => {
+          const store = txn.objectStore(OBJECT_STORE_NAME);
+          const request = store.index('timestamp').openCursor(null, 'prev');
+          const entriesToDelete = [];
+          let entriesNotDeletedCount = 0;
+
+          request.onsuccess = () => {
+            const cursor = request.result;
+
+            if (cursor) {
+              const result = cursor.value; // TODO(philipwalton): once we can use a multi-key index, we
+              // won't have to check `cacheName` here.
+
+              if (result.cacheName === this._cacheName) {
+                // Delete an entry if it's older than the max age or
+                // if we already have the max number allowed.
+                if (minTimestamp && result.timestamp < minTimestamp || maxCount && entriesNotDeletedCount >= maxCount) {
+                  // TODO(philipwalton): we should be able to delete the
+                  // entry right here, but doing so causes an iteration
+                  // bug in Safari stable (fixed in TP). Instead we can
+                  // store the keys of the entries to delete, and then
+                  // delete the separate transactions.
+                  // https://github.com/GoogleChrome/workbox/issues/1978
+                  // cursor.delete();
+                  // We only need to return the URL, not the whole entry.
+                  entriesToDelete.push(cursor.value);
+                } else {
+                  entriesNotDeletedCount++;
+                }
+              }
+
+              cursor.continue();
+            } else {
+              done(entriesToDelete);
+            }
+          };
+        }); // TODO(philipwalton): once the Safari bug in the following issue is fixed,
+        // we should be able to remove this loop and do the entry deletion in the
+        // cursor loop above:
+        // https://github.com/GoogleChrome/workbox/issues/1978
+
+        const urlsDeleted = [];
+
+        for (const entry of entriesToDelete) {
+          await this._db.delete(OBJECT_STORE_NAME, entry.id);
+          urlsDeleted.push(entry.url);
+        }
+
+        return urlsDeleted;
+      }
+      /**
+       * Takes a URL and returns an ID that will be unique in the object store.
+       *
+       * @param {string} url
+       * @return {string}
+       *
+       * @private
+       */
+
+
+      _getId(url) {
+        // Creating an ID from the URL and cache name won't be necessary once
+        // Edge switches to Chromium and all browsers we support work with
+        // array keyPaths.
+        return this._cacheName + '|' + normalizeURL(url);
+      }
+
+    }
+
+    /*
+      Copyright 2018 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.
+    */
+    /**
+     * The `CacheExpiration` class allows you define an expiration and / or
+     * limit on the number of responses stored in a
+     * [`Cache`](https://developer.mozilla.org/en-US/docs/Web/API/Cache).
+     *
+     * @memberof module:workbox-expiration
+     */
+
+    class CacheExpiration {
+      /**
+       * To construct a new CacheExpiration instance you must provide at least
+       * one of the `config` properties.
+       *
+       * @param {string} cacheName Name of the cache to apply restrictions to.
+       * @param {Object} config
+       * @param {number} [config.maxEntries] The maximum number of entries to cache.
+       * Entries used the least will be removed as the maximum is reached.
+       * @param {number} [config.maxAgeSeconds] The maximum age of an entry before
+       * it's treated as stale and removed.
+       */
+      constructor(cacheName, config = {}) {
+        this._isRunning = false;
+        this._rerunRequested = false;
+
+        {
+          assert_js.assert.isType(cacheName, 'string', {
+            moduleName: 'workbox-expiration',
+            className: 'CacheExpiration',
+            funcName: 'constructor',
+            paramName: 'cacheName'
+          });
+
+          if (!(config.maxEntries || config.maxAgeSeconds)) {
+            throw new WorkboxError_js.WorkboxError('max-entries-or-age-required', {
+              moduleName: 'workbox-expiration',
+              className: 'CacheExpiration',
+              funcName: 'constructor'
+            });
+          }
+
+          if (config.maxEntries) {
+            assert_js.assert.isType(config.maxEntries, 'number', {
+              moduleName: 'workbox-expiration',
+              className: 'CacheExpiration',
+              funcName: 'constructor',
+              paramName: 'config.maxEntries'
+            }); // TODO: Assert is positive
+          }
+
+          if (config.maxAgeSeconds) {
+            assert_js.assert.isType(config.maxAgeSeconds, 'number', {
+              moduleName: 'workbox-expiration',
+              className: 'CacheExpiration',
+              funcName: 'constructor',
+              paramName: 'config.maxAgeSeconds'
+            }); // TODO: Assert is positive
+          }
+        }
+
+        this._maxEntries = config.maxEntries;
+        this._maxAgeSeconds = config.maxAgeSeconds;
+        this._cacheName = cacheName;
+        this._timestampModel = new CacheTimestampsModel(cacheName);
+      }
+      /**
+       * Expires entries for the given cache and given criteria.
+       */
+
+
+      async expireEntries() {
+        if (this._isRunning) {
+          this._rerunRequested = true;
+          return;
+        }
+
+        this._isRunning = true;
+        const minTimestamp = this._maxAgeSeconds ? Date.now() - this._maxAgeSeconds * 1000 : 0;
+        const urlsExpired = await this._timestampModel.expireEntries(minTimestamp, this._maxEntries); // Delete URLs from the cache
+
+        const cache = await self.caches.open(this._cacheName);
+
+        for (const url of urlsExpired) {
+          await cache.delete(url);
+        }
+
+        {
+          if (urlsExpired.length > 0) {
+            logger_js.logger.groupCollapsed(`Expired ${urlsExpired.length} ` + `${urlsExpired.length === 1 ? 'entry' : 'entries'} and removed ` + `${urlsExpired.length === 1 ? 'it' : 'them'} from the ` + `'${this._cacheName}' cache.`);
+            logger_js.logger.log(`Expired the following ${urlsExpired.length === 1 ? 'URL' : 'URLs'}:`);
+            urlsExpired.forEach(url => logger_js.logger.log(`    ${url}`));
+            logger_js.logger.groupEnd();
+          } else {
+            logger_js.logger.debug(`Cache expiration ran and found no entries to remove.`);
+          }
+        }
+
+        this._isRunning = false;
+
+        if (this._rerunRequested) {
+          this._rerunRequested = false;
+          dontWaitFor_js.dontWaitFor(this.expireEntries());
+        }
+      }
+      /**
+       * Update the timestamp for the given URL. This ensures the when
+       * removing entries based on maximum entries, most recently used
+       * is accurate or when expiring, the timestamp is up-to-date.
+       *
+       * @param {string} url
+       */
+
+
+      async updateTimestamp(url) {
+        {
+          assert_js.assert.isType(url, 'string', {
+            moduleName: 'workbox-expiration',
+            className: 'CacheExpiration',
+            funcName: 'updateTimestamp',
+            paramName: 'url'
+          });
+        }
+
+        await this._timestampModel.setTimestamp(url, Date.now());
+      }
+      /**
+       * Can be used to check if a URL has expired or not before it's used.
+       *
+       * This requires a look up from IndexedDB, so can be slow.
+       *
+       * Note: This method will not remove the cached entry, call
+       * `expireEntries()` to remove indexedDB and Cache entries.
+       *
+       * @param {string} url
+       * @return {boolean}
+       */
+
+
+      async isURLExpired(url) {
+        if (!this._maxAgeSeconds) {
+          {
+            throw new WorkboxError_js.WorkboxError(`expired-test-without-max-age`, {
+              methodName: 'isURLExpired',
+              paramName: 'maxAgeSeconds'
+            });
+          }
+        } else {
+          const timestamp = await this._timestampModel.getTimestamp(url);
+          const expireOlderThan = Date.now() - this._maxAgeSeconds * 1000;
+          return timestamp < expireOlderThan;
+        }
+      }
+      /**
+       * Removes the IndexedDB object store used to keep track of cache expiration
+       * metadata.
+       */
+
+
+      async delete() {
+        // Make sure we don't attempt another rerun if we're called in the middle of
+        // a cache expiration.
+        this._rerunRequested = false;
+        await this._timestampModel.expireEntries(Infinity); // Expires all.
+      }
+
+    }
+
+    /*
+      Copyright 2018 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.
+    */
+    /**
+     * This plugin can be used in the Workbox APIs to regularly enforce a
+     * limit on the age and / or the number of cached requests.
+     *
+     * Whenever a cached request is used or updated, this plugin will look
+     * at the used Cache and remove any old or extra requests.
+     *
+     * When using `maxAgeSeconds`, requests may be used *once* after expiring
+     * because the expiration clean up will not have occurred until *after* the
+     * cached request has been used. If the request has a "Date" header, then
+     * a light weight expiration check is performed and the request will not be
+     * used immediately.
+     *
+     * When using `maxEntries`, the entry least-recently requested will be removed
+     * from the cache first.
+     *
+     * @memberof module:workbox-expiration
+     */
+
+    class ExpirationPlugin {
+      /**
+       * @param {Object} config
+       * @param {number} [config.maxEntries] The maximum number of entries to cache.
+       * Entries used the least will be removed as the maximum is reached.
+       * @param {number} [config.maxAgeSeconds] The maximum age of an entry before
+       * it's treated as stale and removed.
+       * @param {boolean} [config.purgeOnQuotaError] Whether to opt this cache in to
+       * automatic deletion if the available storage quota has been exceeded.
+       */
+      constructor(config = {}) {
+        /**
+         * A "lifecycle" callback that will be triggered automatically by the
+         * `workbox-strategies` handlers when a `Response` is about to be returned
+         * from a [Cache](https://developer.mozilla.org/en-US/docs/Web/API/Cache) to
+         * the handler. It allows the `Response` to be inspected for freshness and
+         * prevents it from being used if the `Response`'s `Date` header value is
+         * older than the configured `maxAgeSeconds`.
+         *
+         * @param {Object} options
+         * @param {string} options.cacheName Name of the cache the response is in.
+         * @param {Response} options.cachedResponse The `Response` object that's been
+         *     read from a cache and whose freshness should be checked.
+         * @return {Response} Either the `cachedResponse`, if it's
+         *     fresh, or `null` if the `Response` is older than `maxAgeSeconds`.
+         *
+         * @private
+         */
+        this.cachedResponseWillBeUsed = async ({
+          event,
+          request,
+          cacheName,
+          cachedResponse
+        }) => {
+          if (!cachedResponse) {
+            return null;
+          }
+
+          const isFresh = this._isResponseDateFresh(cachedResponse); // Expire entries to ensure that even if the expiration date has
+          // expired, it'll only be used once.
+
+
+          const cacheExpiration = this._getCacheExpiration(cacheName);
+
+          dontWaitFor_js.dontWaitFor(cacheExpiration.expireEntries()); // Update the metadata for the request URL to the current timestamp,
+          // but don't `await` it as we don't want to block the response.
+
+          const updateTimestampDone = cacheExpiration.updateTimestamp(request.url);
+
+          if (event) {
+            try {
+              event.waitUntil(updateTimestampDone);
+            } catch (error) {
+              {
+                // The event may not be a fetch event; only log the URL if it is.
+                if ('request' in event) {
+                  logger_js.logger.warn(`Unable to ensure service worker stays alive when ` + `updating cache entry for ` + `'${getFriendlyURL_js.getFriendlyURL(event.request.url)}'.`);
+                }
+              }
+            }
+          }
+
+          return isFresh ? cachedResponse : null;
+        };
+        /**
+         * A "lifecycle" callback that will be triggered automatically by the
+         * `workbox-strategies` handlers when an entry is added to a cache.
+         *
+         * @param {Object} options
+         * @param {string} options.cacheName Name of the cache that was updated.
+         * @param {string} options.request The Request for the cached entry.
+         *
+         * @private
+         */
+
+
+        this.cacheDidUpdate = async ({
+          cacheName,
+          request
+        }) => {
+          {
+            assert_js.assert.isType(cacheName, 'string', {
+              moduleName: 'workbox-expiration',
+              className: 'Plugin',
+              funcName: 'cacheDidUpdate',
+              paramName: 'cacheName'
+            });
+            assert_js.assert.isInstance(request, Request, {
+              moduleName: 'workbox-expiration',
+              className: 'Plugin',
+              funcName: 'cacheDidUpdate',
+              paramName: 'request'
+            });
+          }
+
+          const cacheExpiration = this._getCacheExpiration(cacheName);
+
+          await cacheExpiration.updateTimestamp(request.url);
+          await cacheExpiration.expireEntries();
+        };
+
+        {
+          if (!(config.maxEntries || config.maxAgeSeconds)) {
+            throw new WorkboxError_js.WorkboxError('max-entries-or-age-required', {
+              moduleName: 'workbox-expiration',
+              className: 'Plugin',
+              funcName: 'constructor'
+            });
+          }
+
+          if (config.maxEntries) {
+            assert_js.assert.isType(config.maxEntries, 'number', {
+              moduleName: 'workbox-expiration',
+              className: 'Plugin',
+              funcName: 'constructor',
+              paramName: 'config.maxEntries'
+            });
+          }
+
+          if (config.maxAgeSeconds) {
+            assert_js.assert.isType(config.maxAgeSeconds, 'number', {
+              moduleName: 'workbox-expiration',
+              className: 'Plugin',
+              funcName: 'constructor',
+              paramName: 'config.maxAgeSeconds'
+            });
+          }
+        }
+
+        this._config = config;
+        this._maxAgeSeconds = config.maxAgeSeconds;
+        this._cacheExpirations = new Map();
+
+        if (config.purgeOnQuotaError) {
+          registerQuotaErrorCallback_js.registerQuotaErrorCallback(() => this.deleteCacheAndMetadata());
+        }
+      }
+      /**
+       * A simple helper method to return a CacheExpiration instance for a given
+       * cache name.
+       *
+       * @param {string} cacheName
+       * @return {CacheExpiration}
+       *
+       * @private
+       */
+
+
+      _getCacheExpiration(cacheName) {
+        if (cacheName === cacheNames_js.cacheNames.getRuntimeName()) {
+          throw new WorkboxError_js.WorkboxError('expire-custom-caches-only');
+        }
+
+        let cacheExpiration = this._cacheExpirations.get(cacheName);
+
+        if (!cacheExpiration) {
+          cacheExpiration = new CacheExpiration(cacheName, this._config);
+
+          this._cacheExpirations.set(cacheName, cacheExpiration);
+        }
+
+        return cacheExpiration;
+      }
+      /**
+       * @param {Response} cachedResponse
+       * @return {boolean}
+       *
+       * @private
+       */
+
+
+      _isResponseDateFresh(cachedResponse) {
+        if (!this._maxAgeSeconds) {
+          // We aren't expiring by age, so return true, it's fresh
+          return true;
+        } // Check if the 'date' header will suffice a quick expiration check.
+        // See https://github.com/GoogleChromeLabs/sw-toolbox/issues/164 for
+        // discussion.
+
+
+        const dateHeaderTimestamp = this._getDateHeaderTimestamp(cachedResponse);
+
+        if (dateHeaderTimestamp === null) {
+          // Unable to parse date, so assume it's fresh.
+          return true;
+        } // If we have a valid headerTime, then our response is fresh iff the
+        // headerTime plus maxAgeSeconds is greater than the current time.
+
+
+        const now = Date.now();
+        return dateHeaderTimestamp >= now - this._maxAgeSeconds * 1000;
+      }
+      /**
+       * This method will extract the data header and parse it into a useful
+       * value.
+       *
+       * @param {Response} cachedResponse
+       * @return {number|null}
+       *
+       * @private
+       */
+
+
+      _getDateHeaderTimestamp(cachedResponse) {
+        if (!cachedResponse.headers.has('date')) {
+          return null;
+        }
+
+        const dateHeader = cachedResponse.headers.get('date');
+        const parsedDate = new Date(dateHeader);
+        const headerTime = parsedDate.getTime(); // If the Date header was invalid for some reason, parsedDate.getTime()
+        // will return NaN.
+
+        if (isNaN(headerTime)) {
+          return null;
+        }
+
+        return headerTime;
+      }
+      /**
+       * This is a helper method that performs two operations:
+       *
+       * - Deletes *all* the underlying Cache instances associated with this plugin
+       * instance, by calling caches.delete() on your behalf.
+       * - Deletes the metadata from IndexedDB used to keep track of expiration
+       * details for each Cache instance.
+       *
+       * When using cache expiration, calling this method is preferable to calling
+       * `caches.delete()` directly, since this will ensure that the IndexedDB
+       * metadata is also cleanly removed and open IndexedDB instances are deleted.
+       *
+       * Note that if you're *not* using cache expiration for a given cache, calling
+       * `caches.delete()` and passing in the cache's name should be sufficient.
+       * There is no Workbox-specific method needed for cleanup in that case.
+       */
+
+
+      async deleteCacheAndMetadata() {
+        // Do this one at a time instead of all at once via `Promise.all()` to
+        // reduce the chance of inconsistency if a promise rejects.
+        for (const [cacheName, cacheExpiration] of this._cacheExpirations) {
+          await self.caches.delete(cacheName);
+          await cacheExpiration.delete();
+        } // Reset this._cacheExpirations to its initial state.
+
+
+        this._cacheExpirations = new Map();
+      }
+
+    }
+
+    exports.CacheExpiration = CacheExpiration;
+    exports.ExpirationPlugin = ExpirationPlugin;
+
+    return exports;
+
+}({}, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core));
+//# sourceMappingURL=workbox-expiration.dev.js.map

web/node_modules/workbox-expiration/build/workbox-expiration.prod.js

@@ -0,0 +1,2 @@
+this.workbox=this.workbox||{},this.workbox.expiration=function(t,e,s,i,a,n,h){"use strict";try{self["workbox:expiration:5.1.4"]&&_()}catch(t){}const r=t=>{const e=new URL(t,location.href);return e.hash="",e.href};class c{constructor(t){this.t=t,this.s=new i.DBWrapper("workbox-expiration",1,{onupgradeneeded:t=>this.i(t)})}i(t){const e=t.target.result.createObjectStore("cache-entries",{keyPath:"id"});e.createIndex("cacheName","cacheName",{unique:!1}),e.createIndex("timestamp","timestamp",{unique:!1}),a.deleteDatabase(this.t)}async setTimestamp(t,e){const s={url:t=r(t),timestamp:e,cacheName:this.t,id:this.h(t)};await this.s.put("cache-entries",s)}async getTimestamp(t){return(await this.s.get("cache-entries",this.h(t))).timestamp}async expireEntries(t,e){const s=await this.s.transaction("cache-entries","readwrite",(s,i)=>{const a=s.objectStore("cache-entries").index("timestamp").openCursor(null,"prev"),n=[];let h=0;a.onsuccess=()=>{const s=a.result;if(s){const i=s.value;i.cacheName===this.t&&(t&&i.timestamp<t||e&&h>=e?n.push(s.value):h++),s.continue()}else i(n)}}),i=[];for(const t of s)await this.s.delete("cache-entries",t.id),i.push(t.url);return i}h(t){return this.t+"|"+r(t)}}class o{constructor(t,e={}){this.o=!1,this.u=!1,this.l=e.maxEntries,this.m=e.maxAgeSeconds,this.t=t,this.p=new c(t)}async expireEntries(){if(this.o)return void(this.u=!0);this.o=!0;const t=this.m?Date.now()-1e3*this.m:0,s=await this.p.expireEntries(t,this.l),i=await self.caches.open(this.t);for(const t of s)await i.delete(t);this.o=!1,this.u&&(this.u=!1,e.dontWaitFor(this.expireEntries()))}async updateTimestamp(t){await this.p.setTimestamp(t,Date.now())}async isURLExpired(t){if(this.m){return await this.p.getTimestamp(t)<Date.now()-1e3*this.m}return!1}async delete(){this.u=!1,await this.p.expireEntries(1/0)}}return t.CacheExpiration=o,t.ExpirationPlugin=class{constructor(t={}){this.cachedResponseWillBeUsed=async({event:t,request:s,cacheName:i,cachedResponse:a})=>{if(!a)return null;const n=this.k(a),h=this.D(i);e.dontWaitFor(h.expireEntries());const r=h.updateTimestamp(s.url);if(t)try{t.waitUntil(r)}catch(t){}return n?a:null},this.cacheDidUpdate=async({cacheName:t,request:e})=>{const s=this.D(t);await s.updateTimestamp(e.url),await s.expireEntries()},this.N=t,this.m=t.maxAgeSeconds,this.g=new Map,t.purgeOnQuotaError&&h.registerQuotaErrorCallback(()=>this.deleteCacheAndMetadata())}D(t){if(t===n.cacheNames.getRuntimeName())throw new s.WorkboxError("expire-custom-caches-only");let e=this.g.get(t);return e||(e=new o(t,this.N),this.g.set(t,e)),e}k(t){if(!this.m)return!0;const e=this._(t);if(null===e)return!0;return e>=Date.now()-1e3*this.m}_(t){if(!t.headers.has("date"))return null;const e=t.headers.get("date"),s=new Date(e).getTime();return isNaN(s)?null:s}async deleteCacheAndMetadata(){for(const[t,e]of this.g)await self.caches.delete(t),await e.delete();this.g=new Map}},t}({},workbox.core._private,workbox.core._private,workbox.core._private,workbox.core._private,workbox.core._private,workbox.core);
+//# sourceMappingURL=workbox-expiration.prod.js.map