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1interface CacheEntry<T> {
2 value: T;
3 expiry: number;
4}
5
6class TimedCache<T> {
7 private cache = new Map<string, CacheEntry<T>>();
8 private ttl: number; // Time to live in milliseconds
9
10 constructor(ttl: number) {
11 this.ttl = ttl;
12 }
13
14 get(key: string): T | undefined {
15 const entry = this.cache.get(key);
16 if (!entry) {
17 return undefined;
18 }
19
20 if (Date.now() > entry.expiry) {
21 this.cache.delete(key); // Entry expired
22 return undefined;
23 }
24
25 return entry.value;
26 }
27
28 set(key: string, value: T): void {
29 const expiry = Date.now() + this.ttl;
30 this.cache.set(key, { value, expiry });
31 }
32
33 delete(key: string): void {
34 this.cache.delete(key);
35 }
36
37 clear(): void {
38 this.cache.clear();
39 }
40}
41
42export const postCache = new TimedCache<any>(2 * 60 * 1000); // 2 minutes cache