Interface ExpiringMap

src/expiring-map.ts:1–5

interface ExpiringMap<K, V> {
  get(key: K): V | undefined
  remember(key: K, factory: () => V): V
  set(key: K, value: V): void
}

export function expiringMap<K, V>(duration: number): ExpiringMap<K, V> {
  let map = new Map<K, { value: V; expiration: Date }>()