1 | this.workbox = this.workbox || {};
|
2 | this.workbox.expiration = (function (exports, DBWrapper_mjs, deleteDatabase_mjs, WorkboxError_mjs, assert_mjs, logger_mjs, cacheNames_mjs, getFriendlyURL_mjs, registerQuotaErrorCallback_mjs) {
|
3 | ;
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4 |
|
5 | try {
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6 | self['workbox:expiration:4.3.0'] && _();
|
7 | } catch (e) {} // eslint-disable-line
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8 |
|
9 | /*
|
10 | Copyright 2018 Google LLC
|
11 |
|
12 | Use of this source code is governed by an MIT-style
|
13 | license that can be found in the LICENSE file or at
|
14 | https://opensource.org/licenses/MIT.
|
15 | */
|
16 | const DB_NAME = 'workbox-expiration';
|
17 | const OBJECT_STORE_NAME = 'cache-entries';
|
18 |
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19 | const normalizeURL = unNormalizedUrl => {
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20 | const url = new URL(unNormalizedUrl, location);
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21 | url.hash = '';
|
22 | return url.href;
|
23 | };
|
24 | /**
|
25 | * Returns the timestamp model.
|
26 | *
|
27 | * @private
|
28 | */
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29 |
|
30 |
|
31 | class CacheTimestampsModel {
|
32 | /**
|
33 | *
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34 | * @param {string} cacheName
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35 | *
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36 | * @private
|
37 | */
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38 | constructor(cacheName) {
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39 | this._cacheName = cacheName;
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40 | this._db = new DBWrapper_mjs.DBWrapper(DB_NAME, 1, {
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41 | onupgradeneeded: event => this._handleUpgrade(event)
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42 | });
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43 | }
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44 | /**
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45 | * Should perform an upgrade of indexedDB.
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46 | *
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47 | * @param {Event} event
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48 | *
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49 | * @private
|
50 | */
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51 |
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52 |
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53 | _handleUpgrade(event) {
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54 | const db = event.target.result; // TODO(philipwalton): EdgeHTML doesn't support arrays as a keyPath, so we
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55 | // have to use the `id` keyPath here and create our own values (a
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56 | // concatenation of `url + cacheName`) instead of simply using
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57 | // `keyPath: ['url', 'cacheName']`, which is supported in other browsers.
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58 |
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59 | const objStore = db.createObjectStore(OBJECT_STORE_NAME, {
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60 | keyPath: 'id'
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61 | }); // TODO(philipwalton): once we don't have to support EdgeHTML, we can
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62 | // create a single index with the keyPath `['cacheName', 'timestamp']`
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63 | // instead of doing both these indexes.
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64 |
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65 | objStore.createIndex('cacheName', 'cacheName', {
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66 | unique: false
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67 | });
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68 | objStore.createIndex('timestamp', 'timestamp', {
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69 | unique: false
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70 | }); // Previous versions of `workbox-expiration` used `this._cacheName`
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71 | // as the IDBDatabase name.
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72 |
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73 | deleteDatabase_mjs.deleteDatabase(this._cacheName);
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74 | }
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75 | /**
|
76 | * @param {string} url
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77 | * @param {number} timestamp
|
78 | *
|
79 | * @private
|
80 | */
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81 |
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82 |
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83 | async setTimestamp(url, timestamp) {
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84 | url = normalizeURL(url);
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85 | await this._db.put(OBJECT_STORE_NAME, {
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86 | url,
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87 | timestamp,
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88 | cacheName: this._cacheName,
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89 | // Creating an ID from the URL and cache name won't be necessary once
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90 | // Edge switches to Chromium and all browsers we support work with
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91 | // array keyPaths.
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92 | id: this._getId(url)
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93 | });
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94 | }
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95 | /**
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96 | * Returns the timestamp stored for a given URL.
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97 | *
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98 | * @param {string} url
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99 | * @return {number}
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100 | *
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101 | * @private
|
102 | */
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103 |
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104 |
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105 | async getTimestamp(url) {
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106 | const entry = await this._db.get(OBJECT_STORE_NAME, this._getId(url));
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107 | return entry.timestamp;
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108 | }
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109 | /**
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110 | * Iterates through all the entries in the object store (from newest to
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111 | * oldest) and removes entries once either `maxCount` is reached or the
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112 | * entry's timestamp is less than `minTimestamp`.
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113 | *
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114 | * @param {number} minTimestamp
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115 | * @param {number} maxCount
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116 | *
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117 | * @private
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118 | */
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119 |
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120 |
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121 | async expireEntries(minTimestamp, maxCount) {
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122 | const entriesToDelete = await this._db.transaction(OBJECT_STORE_NAME, 'readwrite', (txn, done) => {
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123 | const store = txn.objectStore(OBJECT_STORE_NAME);
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124 | const entriesToDelete = [];
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125 | let entriesNotDeletedCount = 0;
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126 |
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127 | store.index('timestamp').openCursor(null, 'prev').onsuccess = ({
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128 | target
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129 | }) => {
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130 | const cursor = target.result;
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131 |
|
132 | if (cursor) {
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133 | const result = cursor.value; // TODO(philipwalton): once we can use a multi-key index, we
|
134 | // won't have to check `cacheName` here.
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135 |
|
136 | if (result.cacheName === this._cacheName) {
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137 | // Delete an entry if it's older than the max age or
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138 | // if we already have the max number allowed.
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139 | if (minTimestamp && result.timestamp < minTimestamp || maxCount && entriesNotDeletedCount >= maxCount) {
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140 | // TODO(philipwalton): we should be able to delete the
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141 | // entry right here, but doing so causes an iteration
|
142 | // bug in Safari stable (fixed in TP). Instead we can
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143 | // store the keys of the entries to delete, and then
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144 | // delete the separate transactions.
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145 | // https://github.com/GoogleChrome/workbox/issues/1978
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146 | // cursor.delete();
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147 | // We only need to return the URL, not the whole entry.
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148 | entriesToDelete.push(cursor.value);
|
149 | } else {
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150 | entriesNotDeletedCount++;
|
151 | }
|
152 | }
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153 |
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154 | cursor.continue();
|
155 | } else {
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156 | done(entriesToDelete);
|
157 | }
|
158 | };
|
159 | }); // TODO(philipwalton): once the Safari bug in the following issue is fixed,
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160 | // we should be able to remove this loop and do the entry deletion in the
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161 | // cursor loop above:
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162 | // https://github.com/GoogleChrome/workbox/issues/1978
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163 |
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164 | const urlsDeleted = [];
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165 |
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166 | for (const entry of entriesToDelete) {
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167 | await this._db.delete(OBJECT_STORE_NAME, entry.id);
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168 | urlsDeleted.push(entry.url);
|
169 | }
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170 |
|
171 | return urlsDeleted;
|
172 | }
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173 | /**
|
174 | * Takes a URL and returns an ID that will be unique in the object store.
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175 | *
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176 | * @param {string} url
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177 | * @return {string}
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178 | *
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179 | * @private
|
180 | */
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181 |
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182 |
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183 | _getId(url) {
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184 | // Creating an ID from the URL and cache name won't be necessary once
|
185 | // Edge switches to Chromium and all browsers we support work with
|
186 | // array keyPaths.
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187 | return this._cacheName + '|' + normalizeURL(url);
|
188 | }
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189 |
|
190 | }
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191 |
|
192 | /*
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193 | Copyright 2018 Google LLC
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194 |
|
195 | Use of this source code is governed by an MIT-style
|
196 | license that can be found in the LICENSE file or at
|
197 | https://opensource.org/licenses/MIT.
|
198 | */
|
199 | /**
|
200 | * The `CacheExpiration` class allows you define an expiration and / or
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201 | * limit on the number of responses stored in a
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202 | * [`Cache`](https://developer.mozilla.org/en-US/docs/Web/API/Cache).
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203 | *
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204 | * @memberof workbox.expiration
|
205 | */
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206 |
|
207 | class CacheExpiration {
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208 | /**
|
209 | * To construct a new CacheExpiration instance you must provide at least
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210 | * one of the `config` properties.
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211 | *
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212 | * @param {string} cacheName Name of the cache to apply restrictions to.
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213 | * @param {Object} config
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214 | * @param {number} [config.maxEntries] The maximum number of entries to cache.
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215 | * Entries used the least will be removed as the maximum is reached.
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216 | * @param {number} [config.maxAgeSeconds] The maximum age of an entry before
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217 | * it's treated as stale and removed.
|
218 | */
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219 | constructor(cacheName, config = {}) {
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220 | {
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221 | assert_mjs.assert.isType(cacheName, 'string', {
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222 | moduleName: 'workbox-expiration',
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223 | className: 'CacheExpiration',
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224 | funcName: 'constructor',
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225 | paramName: 'cacheName'
|
226 | });
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227 |
|
228 | if (!(config.maxEntries || config.maxAgeSeconds)) {
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229 | throw new WorkboxError_mjs.WorkboxError('max-entries-or-age-required', {
|
230 | moduleName: 'workbox-expiration',
|
231 | className: 'CacheExpiration',
|
232 | funcName: 'constructor'
|
233 | });
|
234 | }
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235 |
|
236 | if (config.maxEntries) {
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237 | assert_mjs.assert.isType(config.maxEntries, 'number', {
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238 | moduleName: 'workbox-expiration',
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239 | className: 'CacheExpiration',
|
240 | funcName: 'constructor',
|
241 | paramName: 'config.maxEntries'
|
242 | }); // TODO: Assert is positive
|
243 | }
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244 |
|
245 | if (config.maxAgeSeconds) {
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246 | assert_mjs.assert.isType(config.maxAgeSeconds, 'number', {
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247 | moduleName: 'workbox-expiration',
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248 | className: 'CacheExpiration',
|
249 | funcName: 'constructor',
|
250 | paramName: 'config.maxAgeSeconds'
|
251 | }); // TODO: Assert is positive
|
252 | }
|
253 | }
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254 |
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255 | this._isRunning = false;
|
256 | this._rerunRequested = false;
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257 | this._maxEntries = config.maxEntries;
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258 | this._maxAgeSeconds = config.maxAgeSeconds;
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259 | this._cacheName = cacheName;
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260 | this._timestampModel = new CacheTimestampsModel(cacheName);
|
261 | }
|
262 | /**
|
263 | * Expires entries for the given cache and given criteria.
|
264 | */
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265 |
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266 |
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267 | async expireEntries() {
|
268 | if (this._isRunning) {
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269 | this._rerunRequested = true;
|
270 | return;
|
271 | }
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272 |
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273 | this._isRunning = true;
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274 | const minTimestamp = this._maxAgeSeconds ? Date.now() - this._maxAgeSeconds * 1000 : undefined;
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275 | const urlsExpired = await this._timestampModel.expireEntries(minTimestamp, this._maxEntries); // Delete URLs from the cache
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276 |
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277 | const cache = await caches.open(this._cacheName);
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278 |
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279 | for (const url of urlsExpired) {
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280 | await cache.delete(url);
|
281 | }
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282 |
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283 | {
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284 | if (urlsExpired.length > 0) {
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285 | logger_mjs.logger.groupCollapsed(`Expired ${urlsExpired.length} ` + `${urlsExpired.length === 1 ? 'entry' : 'entries'} and removed ` + `${urlsExpired.length === 1 ? 'it' : 'them'} from the ` + `'${this._cacheName}' cache.`);
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286 | logger_mjs.logger.log(`Expired the following ${urlsExpired.length === 1 ? 'URL' : 'URLs'}:`);
|
287 | urlsExpired.forEach(url => logger_mjs.logger.log(` ${url}`));
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288 | logger_mjs.logger.groupEnd();
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289 | } else {
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290 | logger_mjs.logger.debug(`Cache expiration ran and found no entries to remove.`);
|
291 | }
|
292 | }
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293 |
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294 | this._isRunning = false;
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295 |
|
296 | if (this._rerunRequested) {
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297 | this._rerunRequested = false;
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298 | this.expireEntries();
|
299 | }
|
300 | }
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301 | /**
|
302 | * Update the timestamp for the given URL. This ensures the when
|
303 | * removing entries based on maximum entries, most recently used
|
304 | * is accurate or when expiring, the timestamp is up-to-date.
|
305 | *
|
306 | * @param {string} url
|
307 | */
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308 |
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309 |
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310 | async updateTimestamp(url) {
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311 | {
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312 | assert_mjs.assert.isType(url, 'string', {
|
313 | moduleName: 'workbox-expiration',
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314 | className: 'CacheExpiration',
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315 | funcName: 'updateTimestamp',
|
316 | paramName: 'url'
|
317 | });
|
318 | }
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319 |
|
320 | await this._timestampModel.setTimestamp(url, Date.now());
|
321 | }
|
322 | /**
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323 | * Can be used to check if a URL has expired or not before it's used.
|
324 | *
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325 | * This requires a look up from IndexedDB, so can be slow.
|
326 | *
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327 | * Note: This method will not remove the cached entry, call
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328 | * `expireEntries()` to remove indexedDB and Cache entries.
|
329 | *
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330 | * @param {string} url
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331 | * @return {boolean}
|
332 | */
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333 |
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334 |
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335 | async isURLExpired(url) {
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336 | {
|
337 | if (!this._maxAgeSeconds) {
|
338 | throw new WorkboxError_mjs.WorkboxError(`expired-test-without-max-age`, {
|
339 | methodName: 'isURLExpired',
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340 | paramName: 'maxAgeSeconds'
|
341 | });
|
342 | }
|
343 | }
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344 |
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345 | const timestamp = await this._timestampModel.getTimestamp(url);
|
346 | const expireOlderThan = Date.now() - this._maxAgeSeconds * 1000;
|
347 | return timestamp < expireOlderThan;
|
348 | }
|
349 | /**
|
350 | * Removes the IndexedDB object store used to keep track of cache expiration
|
351 | * metadata.
|
352 | */
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353 |
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354 |
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355 | async delete() {
|
356 | // Make sure we don't attempt another rerun if we're called in the middle of
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357 | // a cache expiration.
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358 | this._rerunRequested = false;
|
359 | await this._timestampModel.expireEntries(Infinity); // Expires all.
|
360 | }
|
361 |
|
362 | }
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363 |
|
364 | /*
|
365 | Copyright 2018 Google LLC
|
366 |
|
367 | Use of this source code is governed by an MIT-style
|
368 | license that can be found in the LICENSE file or at
|
369 | https://opensource.org/licenses/MIT.
|
370 | */
|
371 | /**
|
372 | * This plugin can be used in the Workbox APIs to regularly enforce a
|
373 | * limit on the age and / or the number of cached requests.
|
374 | *
|
375 | * Whenever a cached request is used or updated, this plugin will look
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376 | * at the used Cache and remove any old or extra requests.
|
377 | *
|
378 | * When using `maxAgeSeconds`, requests may be used *once* after expiring
|
379 | * because the expiration clean up will not have occurred until *after* the
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380 | * cached request has been used. If the request has a "Date" header, then
|
381 | * a light weight expiration check is performed and the request will not be
|
382 | * used immediately.
|
383 | *
|
384 | * When using `maxEntries`, the entry least-recently requested will be removed from the cache first.
|
385 | *
|
386 | * @memberof workbox.expiration
|
387 | */
|
388 |
|
389 | class Plugin {
|
390 | /**
|
391 | * @param {Object} config
|
392 | * @param {number} [config.maxEntries] The maximum number of entries to cache.
|
393 | * Entries used the least will be removed as the maximum is reached.
|
394 | * @param {number} [config.maxAgeSeconds] The maximum age of an entry before
|
395 | * it's treated as stale and removed.
|
396 | * @param {boolean} [config.purgeOnQuotaError] Whether to opt this cache in to
|
397 | * automatic deletion if the available storage quota has been exceeded.
|
398 | */
|
399 | constructor(config = {}) {
|
400 | {
|
401 | if (!(config.maxEntries || config.maxAgeSeconds)) {
|
402 | throw new WorkboxError_mjs.WorkboxError('max-entries-or-age-required', {
|
403 | moduleName: 'workbox-expiration',
|
404 | className: 'Plugin',
|
405 | funcName: 'constructor'
|
406 | });
|
407 | }
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408 |
|
409 | if (config.maxEntries) {
|
410 | assert_mjs.assert.isType(config.maxEntries, 'number', {
|
411 | moduleName: 'workbox-expiration',
|
412 | className: 'Plugin',
|
413 | funcName: 'constructor',
|
414 | paramName: 'config.maxEntries'
|
415 | });
|
416 | }
|
417 |
|
418 | if (config.maxAgeSeconds) {
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419 | assert_mjs.assert.isType(config.maxAgeSeconds, 'number', {
|
420 | moduleName: 'workbox-expiration',
|
421 | className: 'Plugin',
|
422 | funcName: 'constructor',
|
423 | paramName: 'config.maxAgeSeconds'
|
424 | });
|
425 | }
|
426 | }
|
427 |
|
428 | this._config = config;
|
429 | this._maxAgeSeconds = config.maxAgeSeconds;
|
430 | this._cacheExpirations = new Map();
|
431 |
|
432 | if (config.purgeOnQuotaError) {
|
433 | registerQuotaErrorCallback_mjs.registerQuotaErrorCallback(() => this.deleteCacheAndMetadata());
|
434 | }
|
435 | }
|
436 | /**
|
437 | * A simple helper method to return a CacheExpiration instance for a given
|
438 | * cache name.
|
439 | *
|
440 | * @param {string} cacheName
|
441 | * @return {CacheExpiration}
|
442 | *
|
443 | * @private
|
444 | */
|
445 |
|
446 |
|
447 | _getCacheExpiration(cacheName) {
|
448 | if (cacheName === cacheNames_mjs.cacheNames.getRuntimeName()) {
|
449 | throw new WorkboxError_mjs.WorkboxError('expire-custom-caches-only');
|
450 | }
|
451 |
|
452 | let cacheExpiration = this._cacheExpirations.get(cacheName);
|
453 |
|
454 | if (!cacheExpiration) {
|
455 | cacheExpiration = new CacheExpiration(cacheName, this._config);
|
456 |
|
457 | this._cacheExpirations.set(cacheName, cacheExpiration);
|
458 | }
|
459 |
|
460 | return cacheExpiration;
|
461 | }
|
462 | /**
|
463 | * A "lifecycle" callback that will be triggered automatically by the
|
464 | * `workbox.strategies` handlers when a `Response` is about to be returned
|
465 | * from a [Cache](https://developer.mozilla.org/en-US/docs/Web/API/Cache) to
|
466 | * the handler. It allows the `Response` to be inspected for freshness and
|
467 | * prevents it from being used if the `Response`'s `Date` header value is
|
468 | * older than the configured `maxAgeSeconds`.
|
469 | *
|
470 | * @param {Object} options
|
471 | * @param {string} options.cacheName Name of the cache the response is in.
|
472 | * @param {Response} options.cachedResponse The `Response` object that's been
|
473 | * read from a cache and whose freshness should be checked.
|
474 | * @return {Response} Either the `cachedResponse`, if it's
|
475 | * fresh, or `null` if the `Response` is older than `maxAgeSeconds`.
|
476 | *
|
477 | * @private
|
478 | */
|
479 |
|
480 |
|
481 | cachedResponseWillBeUsed({
|
482 | event,
|
483 | request,
|
484 | cacheName,
|
485 | cachedResponse
|
486 | }) {
|
487 | if (!cachedResponse) {
|
488 | return null;
|
489 | }
|
490 |
|
491 | let isFresh = this._isResponseDateFresh(cachedResponse); // Expire entries to ensure that even if the expiration date has
|
492 | // expired, it'll only be used once.
|
493 |
|
494 |
|
495 | const cacheExpiration = this._getCacheExpiration(cacheName);
|
496 |
|
497 | cacheExpiration.expireEntries(); // Update the metadata for the request URL to the current timestamp,
|
498 | // but don't `await` it as we don't want to block the response.
|
499 |
|
500 | const updateTimestampDone = cacheExpiration.updateTimestamp(request.url);
|
501 |
|
502 | if (event) {
|
503 | try {
|
504 | event.waitUntil(updateTimestampDone);
|
505 | } catch (error) {
|
506 | {
|
507 | logger_mjs.logger.warn(`Unable to ensure service worker stays alive when ` + `updating cache entry for '${getFriendlyURL_mjs.getFriendlyURL(event.request.url)}'.`);
|
508 | }
|
509 | }
|
510 | }
|
511 |
|
512 | return isFresh ? cachedResponse : null;
|
513 | }
|
514 | /**
|
515 | * @param {Response} cachedResponse
|
516 | * @return {boolean}
|
517 | *
|
518 | * @private
|
519 | */
|
520 |
|
521 |
|
522 | _isResponseDateFresh(cachedResponse) {
|
523 | if (!this._maxAgeSeconds) {
|
524 | // We aren't expiring by age, so return true, it's fresh
|
525 | return true;
|
526 | } // Check if the 'date' header will suffice a quick expiration check.
|
527 | // See https://github.com/GoogleChromeLabs/sw-toolbox/issues/164 for
|
528 | // discussion.
|
529 |
|
530 |
|
531 | const dateHeaderTimestamp = this._getDateHeaderTimestamp(cachedResponse);
|
532 |
|
533 | if (dateHeaderTimestamp === null) {
|
534 | // Unable to parse date, so assume it's fresh.
|
535 | return true;
|
536 | } // If we have a valid headerTime, then our response is fresh iff the
|
537 | // headerTime plus maxAgeSeconds is greater than the current time.
|
538 |
|
539 |
|
540 | const now = Date.now();
|
541 | return dateHeaderTimestamp >= now - this._maxAgeSeconds * 1000;
|
542 | }
|
543 | /**
|
544 | * This method will extract the data header and parse it into a useful
|
545 | * value.
|
546 | *
|
547 | * @param {Response} cachedResponse
|
548 | * @return {number}
|
549 | *
|
550 | * @private
|
551 | */
|
552 |
|
553 |
|
554 | _getDateHeaderTimestamp(cachedResponse) {
|
555 | if (!cachedResponse.headers.has('date')) {
|
556 | return null;
|
557 | }
|
558 |
|
559 | const dateHeader = cachedResponse.headers.get('date');
|
560 | const parsedDate = new Date(dateHeader);
|
561 | const headerTime = parsedDate.getTime(); // If the Date header was invalid for some reason, parsedDate.getTime()
|
562 | // will return NaN.
|
563 |
|
564 | if (isNaN(headerTime)) {
|
565 | return null;
|
566 | }
|
567 |
|
568 | return headerTime;
|
569 | }
|
570 | /**
|
571 | * A "lifecycle" callback that will be triggered automatically by the
|
572 | * `workbox.strategies` handlers when an entry is added to a cache.
|
573 | *
|
574 | * @param {Object} options
|
575 | * @param {string} options.cacheName Name of the cache that was updated.
|
576 | * @param {string} options.request The Request for the cached entry.
|
577 | *
|
578 | * @private
|
579 | */
|
580 |
|
581 |
|
582 | async cacheDidUpdate({
|
583 | cacheName,
|
584 | request
|
585 | }) {
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586 | {
|
587 | assert_mjs.assert.isType(cacheName, 'string', {
|
588 | moduleName: 'workbox-expiration',
|
589 | className: 'Plugin',
|
590 | funcName: 'cacheDidUpdate',
|
591 | paramName: 'cacheName'
|
592 | });
|
593 | assert_mjs.assert.isInstance(request, Request, {
|
594 | moduleName: 'workbox-expiration',
|
595 | className: 'Plugin',
|
596 | funcName: 'cacheDidUpdate',
|
597 | paramName: 'request'
|
598 | });
|
599 | }
|
600 |
|
601 | const cacheExpiration = this._getCacheExpiration(cacheName);
|
602 |
|
603 | await cacheExpiration.updateTimestamp(request.url);
|
604 | await cacheExpiration.expireEntries();
|
605 | }
|
606 | /**
|
607 | * This is a helper method that performs two operations:
|
608 | *
|
609 | * - Deletes *all* the underlying Cache instances associated with this plugin
|
610 | * instance, by calling caches.delete() on your behalf.
|
611 | * - Deletes the metadata from IndexedDB used to keep track of expiration
|
612 | * details for each Cache instance.
|
613 | *
|
614 | * When using cache expiration, calling this method is preferable to calling
|
615 | * `caches.delete()` directly, since this will ensure that the IndexedDB
|
616 | * metadata is also cleanly removed and open IndexedDB instances are deleted.
|
617 | *
|
618 | * Note that if you're *not* using cache expiration for a given cache, calling
|
619 | * `caches.delete()` and passing in the cache's name should be sufficient.
|
620 | * There is no Workbox-specific method needed for cleanup in that case.
|
621 | */
|
622 |
|
623 |
|
624 | async deleteCacheAndMetadata() {
|
625 | // Do this one at a time instead of all at once via `Promise.all()` to
|
626 | // reduce the chance of inconsistency if a promise rejects.
|
627 | for (const [cacheName, cacheExpiration] of this._cacheExpirations) {
|
628 | await caches.delete(cacheName);
|
629 | await cacheExpiration.delete();
|
630 | } // Reset this._cacheExpirations to its initial state.
|
631 |
|
632 |
|
633 | this._cacheExpirations = new Map();
|
634 | }
|
635 |
|
636 | }
|
637 |
|
638 | /*
|
639 | Copyright 2018 Google LLC
|
640 |
|
641 | Use of this source code is governed by an MIT-style
|
642 | license that can be found in the LICENSE file or at
|
643 | https://opensource.org/licenses/MIT.
|
644 | */
|
645 |
|
646 | exports.CacheExpiration = CacheExpiration;
|
647 | exports.Plugin = Plugin;
|
648 |
|
649 | return exports;
|
650 |
|
651 | }({}, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core));
|
652 |
|