noway.gabb.fr
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1/**
2 * `AppStoreKit` `Storage` implementation for the "web" client
3 *
4 * Note: The `AppStoreKit` `Storage` interface is declared as a global, which has the (presumably
5 * accidental) side-effect of implicitly being merged with the DOM library's own `Storage` interface
6 * (like `localStorage`), since interfaces declared in the same scope are merged together by TypeScript.
7 * There's no way to tell TypeScript that we only care about the `AppStoreKit` part of it, so
8 * satifying TypeScript here means that we need to implement both interfaces.
9 */
10export class WebStorage extends Map<string, string> implements Storage {
11 /* == "DOM" `Storage` Interface == */
12
13 get length() {
14 return this.size;
15 }
16
17 getItem(key: string): string | null {
18 return this.get(key) ?? null;
19 }
20
21 key(_index: number): string | null {
22 throw new Error('Method not implemented.');
23 }
24
25 removeItem(key: string): void {
26 this.delete(key);
27 }
28
29 setItem(key: string, value: string): void {
30 this.set(key, value);
31 }
32
33 /* == AppStoreKit `Storage` Interface == */
34
35 storeString(aString: string, key: string): void {
36 this.set(key, aString);
37 }
38
39 retrieveString(key: string): string {
40 // Fallback value designed based on how the ObjectGraph `StorageWrapper` handles that specific value
41 // https://github.pie.apple.com/app-store/ios-appstore-app/blob/1761d575b8dc3d7a63e7e36f3320cf9245be9f37/src/foundation/wrappers/storage.ts#L13
42 return this.get(key) ?? '<null>';
43 }
44}