Function: memoizeAsync()

function memoizeAsync<TArgs, TResult>(fn, options?): (...args) => Promise<TResult>;

Memoizes an async function, caching results by serialized arguments with optional TTL. 缓存异步函数的结果，支持按参数序列化 key 及可选的 TTL 过期时间。

Type Parameters

Type Parameter
TArgs extends unknown[]
TResult

Parameters

Parameter	Type
fn	(...args) => Promise<TResult>
options	MemoizeAsyncOptions

Returns

(...args) => Promise<TResult>

Example

let calls = 0
const fn = memoizeAsync(async (x) => { calls++; return x * 2 })
await fn(5) // => 10
await fn(5) // => 10 (cached)
calls // => 1

Since

1.0.0