blob: df0dc1308f796b062376a5ec269a1f5c9c7adedc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
export type MemoryStorage = {
has: (key: string) => boolean;
getItem: <T>(key: string) => T | null;
setItem: (key: string, value: unknown) => void;
removeItem: (key: string) => void;
clear: () => void;
size: number;
};
class MemoryStorageImpl implements MemoryStorage {
private readonly storage: Map<string, unknown>;
constructor() {
this.storage = new Map();
}
has(key: string): boolean {
return this.storage.has(key);
}
getItem<T>(key: string): T | null {
return this.storage.has(key) ? this.storage.get(key) as T : null;
}
setItem(key: string, value: unknown): void {
this.storage.set(key, value);
}
removeItem(key: string): void {
this.storage.delete(key);
}
clear(): void {
this.storage.clear();
}
get size(): number {
return this.storage.size;
}
}
export function createMemoryStorage(): MemoryStorage {
return new MemoryStorageImpl();
}
/**
* SessionStorageよりも更に短い期間でクリアされるストレージです
* - ブラウザの再読み込みやタブの閉じると内容が揮発します
* - このストレージは他のタブと共有されません
* - アカウント切り替えやログアウトを行うと内容が揮発します
*/
export const defaultMemoryStorage: MemoryStorage = createMemoryStorage();
|
