2023-11-09 23:06:42 +01:00
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import { Subject } from "rxjs";
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import { AbstractMemoryStorageService, StorageUpdate } from "../abstractions/storage.service";
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2018-06-09 21:26:21 +02:00
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2023-01-12 21:39:33 +01:00
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export class MemoryStorageService extends AbstractMemoryStorageService {
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2023-11-21 22:35:37 +01:00
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protected store = new Map<string, unknown>();
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2023-11-09 23:06:42 +01:00
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private updatesSubject = new Subject<StorageUpdate>();
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2023-11-16 20:15:34 +01:00
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get valuesRequireDeserialization(): boolean {
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return false;
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}
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2023-11-09 23:06:42 +01:00
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get updates$() {
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return this.updatesSubject.asObservable();
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}
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2018-06-09 21:26:21 +02:00
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get<T>(key: string): Promise<T> {
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if (this.store.has(key)) {
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const obj = this.store.get(key);
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return Promise.resolve(obj as T);
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}
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return Promise.resolve(null);
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2021-12-17 15:57:11 +01:00
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}
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2018-06-09 21:26:21 +02:00
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2021-06-15 23:34:54 +02:00
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async has(key: string): Promise<boolean> {
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2022-12-06 23:26:42 +01:00
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return (await this.get(key)) != null;
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2021-06-15 23:34:54 +02:00
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}
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2023-11-09 23:06:42 +01:00
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save<T>(key: string, obj: T): Promise<void> {
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2018-06-09 21:26:21 +02:00
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if (obj == null) {
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return this.remove(key);
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}
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2023-11-29 15:59:50 +01:00
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// TODO: Remove once foreground/background contexts are separated in browser
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// Needed to ensure ownership of all memory by the context running the storage service
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2024-01-02 16:46:45 +01:00
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const toStore = structuredClone(obj);
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this.store.set(key, toStore);
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2023-11-16 20:15:34 +01:00
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this.updatesSubject.next({ key, updateType: "save" });
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2018-06-09 21:26:21 +02:00
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return Promise.resolve();
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2021-12-17 15:57:11 +01:00
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}
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2018-06-09 21:26:21 +02:00
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2023-11-09 23:06:42 +01:00
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remove(key: string): Promise<void> {
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2018-06-09 21:26:21 +02:00
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this.store.delete(key);
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2023-11-16 20:15:34 +01:00
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this.updatesSubject.next({ key, updateType: "remove" });
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2018-06-09 21:26:21 +02:00
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return Promise.resolve();
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}
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2023-01-12 21:39:33 +01:00
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getBypassCache<T>(key: string): Promise<T> {
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return this.get<T>(key);
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}
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2018-06-09 21:26:21 +02:00
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}
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