UNPKG

503 BTypeScriptView Raw
1import { EventEmitter } from 'events';
2
3export class CacheEntry<T> extends EventEmitter {
4 get(callback?: (err: Error, result: T) => void): T | undefined;
5 set(value: T): void;
6 clear(): void;
7}
8
9export class Cache {
10 /**
11 * Clear cache entries prefix matching given key
12 * @param key Key prefix of cache entry to clear
13 */
14 clear(key?: string): void;
15
16 /**
17 * Retrieve cache entry, or create if not exists
18 * @param key Key of cache entry
19 */
20 get<T>(key?: string): CacheEntry<T>;
21}