Replace to `workbox-webpack-plugin` from `offline-plugin` (#18409)
Yamagishi Kazutoshi
2 years ago
committed by
GitHub
parent
cd8d6a286e
commit
f922858b78
@ -1,27 +0,0 @@
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export default () => new Promise((resolve, reject) => {
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// ServiceWorker is required to synchronize the login state.
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// Microsoft Edge 17 does not support getAll according to:
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// Catalog of standard and vendor APIs across browsers - Microsoft Edge Development
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// https://developer.microsoft.com/en-us/microsoft-edge/platform/catalog/?q=specName%3Aindexeddb
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if (!('caches' in self && 'getAll' in IDBObjectStore.prototype)) {
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reject();
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return;
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}
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const request = indexedDB.open('mastodon');
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request.onerror = reject;
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request.onsuccess = ({ target }) => resolve(target.result);
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request.onupgradeneeded = ({ target }) => {
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const accounts = target.result.createObjectStore('accounts', { autoIncrement: true });
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const statuses = target.result.createObjectStore('statuses', { autoIncrement: true });
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accounts.createIndex('id', 'id', { unique: true });
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accounts.createIndex('moved', 'moved');
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statuses.createIndex('id', 'id', { unique: true });
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statuses.createIndex('account', 'account');
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statuses.createIndex('reblog', 'reblog');
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};
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});
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@ -1,211 +0,0 @@
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import openDB from './db';
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const accountAssetKeys = ['avatar', 'avatar_static', 'header', 'header_static'];
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const storageMargin = 8388608;
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const storeLimit = 1024;
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// navigator.storage is not present on:
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// Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.100 Safari/537.36 Edge/16.16299
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// estimate method is not present on Chrome 57.0.2987.98 on Linux.
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export const storageFreeable = 'storage' in navigator && 'estimate' in navigator.storage;
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function openCache() {
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// ServiceWorker and Cache API is not available on iOS 11
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// https://webkit.org/status/#specification-service-workers
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return self.caches ? caches.open('mastodon-system') : Promise.reject();
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}
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function printErrorIfAvailable(error) {
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if (error) {
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console.warn(error);
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}
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}
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function put(name, objects, onupdate, oncreate) {
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return openDB().then(db => (new Promise((resolve, reject) => {
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const putTransaction = db.transaction(name, 'readwrite');
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const putStore = putTransaction.objectStore(name);
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const putIndex = putStore.index('id');
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objects.forEach(object => {
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putIndex.getKey(object.id).onsuccess = retrieval => {
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function addObject() {
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putStore.add(object);
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}
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function deleteObject() {
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putStore.delete(retrieval.target.result).onsuccess = addObject;
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}
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if (retrieval.target.result) {
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if (onupdate) {
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onupdate(object, retrieval.target.result, putStore, deleteObject);
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} else {
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deleteObject();
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}
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} else {
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if (oncreate) {
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oncreate(object, addObject);
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} else {
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addObject();
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}
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}
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};
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});
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putTransaction.oncomplete = () => {
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const readTransaction = db.transaction(name, 'readonly');
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const readStore = readTransaction.objectStore(name);
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const count = readStore.count();
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count.onsuccess = () => {
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const excess = count.result - storeLimit;
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if (excess > 0) {
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const retrieval = readStore.getAll(null, excess);
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retrieval.onsuccess = () => resolve(retrieval.result);
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retrieval.onerror = reject;
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} else {
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resolve([]);
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}
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};
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count.onerror = reject;
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};
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putTransaction.onerror = reject;
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})).then(resolved => {
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db.close();
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return resolved;
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}, error => {
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db.close();
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throw error;
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}));
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}
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function evictAccountsByRecords(records) {
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return openDB().then(db => {
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const transaction = db.transaction(['accounts', 'statuses'], 'readwrite');
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const accounts = transaction.objectStore('accounts');
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const accountsIdIndex = accounts.index('id');
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const accountsMovedIndex = accounts.index('moved');
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const statuses = transaction.objectStore('statuses');
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const statusesIndex = statuses.index('account');
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function evict(toEvict) {
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toEvict.forEach(record => {
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openCache()
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.then(cache => accountAssetKeys.forEach(key => cache.delete(records[key])))
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.catch(printErrorIfAvailable);
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accountsMovedIndex.getAll(record.id).onsuccess = ({ target }) => evict(target.result);
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statusesIndex.getAll(record.id).onsuccess =
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({ target }) => evictStatusesByRecords(target.result);
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accountsIdIndex.getKey(record.id).onsuccess =
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({ target }) => target.result && accounts.delete(target.result);
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});
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}
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evict(records);
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db.close();
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}).catch(printErrorIfAvailable);
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}
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export function evictStatus(id) {
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evictStatuses([id]);
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}
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export function evictStatuses(ids) {
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return openDB().then(db => {
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const transaction = db.transaction('statuses', 'readwrite');
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const store = transaction.objectStore('statuses');
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const idIndex = store.index('id');
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const reblogIndex = store.index('reblog');
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ids.forEach(id => {
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reblogIndex.getAllKeys(id).onsuccess =
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({ target }) => target.result.forEach(reblogKey => store.delete(reblogKey));
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idIndex.getKey(id).onsuccess =
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({ target }) => target.result && store.delete(target.result);
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});
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db.close();
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}).catch(printErrorIfAvailable);
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}
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function evictStatusesByRecords(records) {
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return evictStatuses(records.map(({ id }) => id));
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}
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export function putAccounts(records, avatarStatic) {
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const avatarKey = avatarStatic ? 'avatar_static' : 'avatar';
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const newURLs = [];
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put('accounts', records, (newRecord, oldKey, store, oncomplete) => {
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store.get(oldKey).onsuccess = ({ target }) => {
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accountAssetKeys.forEach(key => {
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const newURL = newRecord[key];
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const oldURL = target.result[key];
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if (newURL !== oldURL) {
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openCache()
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.then(cache => cache.delete(oldURL))
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.catch(printErrorIfAvailable);
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}
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});
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const newURL = newRecord[avatarKey];
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const oldURL = target.result[avatarKey];
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if (newURL !== oldURL) {
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newURLs.push(newURL);
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}
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oncomplete();
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};
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}, (newRecord, oncomplete) => {
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newURLs.push(newRecord[avatarKey]);
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oncomplete();
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}).then(records => Promise.all([
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evictAccountsByRecords(records),
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openCache().then(cache => cache.addAll(newURLs)),
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])).then(freeStorage, error => {
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freeStorage();
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throw error;
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}).catch(printErrorIfAvailable);
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}
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export function putStatuses(records) {
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put('statuses', records)
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.then(evictStatusesByRecords)
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.catch(printErrorIfAvailable);
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}
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export function freeStorage() {
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return storageFreeable && navigator.storage.estimate().then(({ quota, usage }) => {
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if (usage + storageMargin < quota) {
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return null;
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}
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return openDB().then(db => new Promise((resolve, reject) => {
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const retrieval = db.transaction('accounts', 'readonly').objectStore('accounts').getAll(null, 1);
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retrieval.onsuccess = () => {
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if (retrieval.result.length > 0) {
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resolve(evictAccountsByRecords(retrieval.result).then(freeStorage));
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} else {
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resolve(caches.delete('mastodon-system'));
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}
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};
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retrieval.onerror = reject;
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db.close();
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}));
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});
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}
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@ -1 +1 @@
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assets/sw.js
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packs/sw.js
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@ -0,0 +1 @@
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packs/sw.js.map
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