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@ -9,16 +9,35 @@ |
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* https://github.com/zhukov/webogram/blob/master/LICENSE
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* https://github.com/zhukov/webogram/blob/master/LICENSE
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*/ |
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*/ |
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import { DatabaseStore, DatabaseStoreName } from "../config/database"; |
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import { Database } from "../config/databases"; |
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import DATABASE_SESSION from "../config/databases/session"; |
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import { CancellablePromise, deferredPromise } from "../helpers/cancellablePromise"; |
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import { CancellablePromise, deferredPromise } from "../helpers/cancellablePromise"; |
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import { throttle } from "../helpers/schedulers"; |
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import { throttle } from "../helpers/schedulers"; |
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import IDBStorage, { IDBOptions } from "./idb"; |
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import { WorkerTaskTemplate } from "../types"; |
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import IDBStorage from "./idb"; |
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function noop() {} |
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function noop() {} |
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export default class AppStorage<Storage extends Record<string, any>/* Storage extends {[name: string]: any} *//* Storage extends Record<string, any> */> { |
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export interface LocalStorageProxySetTask extends WorkerTaskTemplate { |
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private static STORAGES: AppStorage<any>[] = []; |
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type: 'localStorageProxy', |
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private storage: IDBStorage;//new CacheStorageController('session');
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payload: { |
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type: 'set', |
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keys: string[], |
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values: any[] |
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} |
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}; |
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export interface LocalStorageProxyDeleteTask extends WorkerTaskTemplate { |
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type: 'localStorageProxy', |
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payload: { |
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type: 'delete', |
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keys: string[] |
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} |
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}; |
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export default class AppStorage<Storage extends Record<string, any>, T extends Database<any>/* Storage extends {[name: string]: any} *//* Storage extends Record<string, any> */> { |
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private static STORAGES: AppStorage<any, Database<any>>[] = []; |
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private storage: IDBStorage<T>;//new CacheStorageController('session');
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//private cache: Partial<{[key: string]: Storage[typeof key]}> = {};
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//private cache: Partial<{[key: string]: Storage[typeof key]}> = {};
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private cache: Partial<Storage> = {}; |
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private cache: Partial<Storage> = {}; |
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@ -35,8 +54,8 @@ export default class AppStorage<Storage extends Record<string, any>/* Storage ex |
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private deleteThrottled: () => void; |
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private deleteThrottled: () => void; |
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private deleteDeferred = deferredPromise<void>(); |
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private deleteDeferred = deferredPromise<void>(); |
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constructor(storageOptions: Omit<IDBOptions, 'storeName' | 'stores'> & {stores?: DatabaseStore[], storeName: DatabaseStoreName}) { |
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constructor(private db: T, storeName: typeof db['stores'][number]['name']) { |
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this.storage = new IDBStorage(storageOptions); |
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this.storage = new IDBStorage<T>(db, storeName); |
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AppStorage.STORAGES.push(this); |
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AppStorage.STORAGES.push(this); |
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@ -53,7 +72,20 @@ export default class AppStorage<Storage extends Record<string, any>/* Storage ex |
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//console.log('setItem: will set', key/* , value */);
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//console.log('setItem: will set', key/* , value */);
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//await this.cacheStorage.delete(key); // * try to prevent memory leak in Chrome leading to 'Unexpected internal error.'
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//await this.cacheStorage.delete(key); // * try to prevent memory leak in Chrome leading to 'Unexpected internal error.'
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//await this.storage.save(key, new Response(value, {headers: {'Content-Type': 'application/json'}}));
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//await this.storage.save(key, new Response(value, {headers: {'Content-Type': 'application/json'}}));
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await this.storage.save(keys, keys.map(key => this.cache[key])); |
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const values = keys.map(key => this.cache[key]); |
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if(db === DATABASE_SESSION && !('localStorage' in self)) { // * support legacy Webogram's localStorage
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self.postMessage({ |
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type: 'localStorageProxy', |
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payload: { |
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type: 'set', |
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keys, |
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values |
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} |
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} as LocalStorageProxySetTask); |
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} |
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await this.storage.save(keys, values); |
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//console.log('setItem: have set', key/* , value */);
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//console.log('setItem: have set', key/* , value */);
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} catch(e) { |
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} catch(e) { |
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//this.useCS = false;
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//this.useCS = false;
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@ -78,6 +110,16 @@ export default class AppStorage<Storage extends Record<string, any>/* Storage ex |
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set.clear(); |
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set.clear(); |
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try { |
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try { |
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if(db === DATABASE_SESSION && !('localStorage' in self)) { // * support legacy Webogram's localStorage
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self.postMessage({ |
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type: 'localStorageProxy', |
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payload: { |
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type: 'delete', |
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keys |
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} |
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} as LocalStorageProxyDeleteTask); |
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} |
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await this.storage.delete(keys); |
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await this.storage.delete(keys); |
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} catch(e) { |
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} catch(e) { |
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console.error('[AS]: delete error:', e, keys); |
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console.error('[AS]: delete error:', e, keys); |
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@ -107,7 +149,7 @@ export default class AppStorage<Storage extends Record<string, any>/* Storage ex |
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}, (error) => { |
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}, (error) => { |
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if(!['NO_ENTRY_FOUND', 'STORAGE_OFFLINE'].includes(error)) { |
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if(!['NO_ENTRY_FOUND', 'STORAGE_OFFLINE'].includes(error)) { |
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this.useStorage = false; |
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this.useStorage = false; |
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console.error('[AS]: get error:', error, keys, storageOptions.storeName); |
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console.error('[AS]: get error:', error, keys, storeName); |
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} |
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} |
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for(let i = 0, length = keys.length; i < length; ++i) { |
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for(let i = 0, length = keys.length; i < length; ++i) { |
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@ -135,7 +177,7 @@ export default class AppStorage<Storage extends Record<string, any>/* Storage ex |
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return this.cache; |
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return this.cache; |
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} |
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} |
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public getFromCache(key: keyof Storage) { |
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public getFromCache<T extends keyof Storage>(key: T) { |
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return this.cache[key]; |
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return this.cache[key]; |
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} |
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} |
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@ -143,12 +185,12 @@ export default class AppStorage<Storage extends Record<string, any>/* Storage ex |
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return this.cache[key] = value; |
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return this.cache[key] = value; |
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} |
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} |
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public async get(key: keyof Storage, useCache = true): Promise<Storage[typeof key]> { |
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public async get<T extends keyof Storage>(key: T, useCache = true): Promise<Storage[T]> { |
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if(this.cache.hasOwnProperty(key) && useCache) { |
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if(this.cache.hasOwnProperty(key) && useCache) { |
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return this.getFromCache(key); |
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return this.getFromCache(key); |
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} else if(this.useStorage) { |
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} else if(this.useStorage) { |
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const r = this.getPromises.get(key); |
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const r = this.getPromises.get(key); |
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if(r) return r; |
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if(r) return r as any; |
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const p = deferredPromise<Storage[typeof key]>(); |
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const p = deferredPromise<Storage[typeof key]>(); |
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this.getPromises.set(key, p); |
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this.getPromises.set(key, p); |
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@ -232,8 +274,21 @@ export default class AppStorage<Storage extends Record<string, any>/* Storage ex |
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storage.keysToDelete.clear(); |
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storage.keysToDelete.clear(); |
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storage.getPromises.forEach((deferred) => deferred.resolve()); |
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storage.getPromises.forEach((deferred) => deferred.resolve()); |
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storage.getPromises.clear(); |
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storage.getPromises.clear(); |
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if(storage.db === DATABASE_SESSION && 'localStorage' in self) { // * support legacy Webogram's localStorage
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localStorage.clear(); |
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} |
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return storage.clear(); |
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return storage.clear(); |
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} else { |
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} else { |
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if(storage.db === DATABASE_SESSION && 'localStorage' in self) { // * support legacy Webogram's localStorage
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for(const i in storage.cache) { |
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if(storage.cache[i] !== undefined) { |
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localStorage.setItem(i, JSON.stringify(storage.cache[i])); |
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} |
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} |
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} |
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return storage.set(storage.cache); |
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return storage.set(storage.cache); |
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} |
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} |
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})).catch(noop); |
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})).catch(noop); |
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morethanwords
4 years ago