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pMap() function

Promise.all(data.map(callback)) 的简写。

Signature:

export declare function pMap<T, R>(list: T[], callback: (item: T, index: number, list: T[]) => R | PromiseLike<R>): Promise<R[]>;

Parameters

Parameter	Type	Description
list	T[]	列表数据
callback	(item: T, index: number, list: T[]) => R | PromiseLike<R>	回调

Returns:

Promise<R[]>

Example

const res = await pMap(
  [1, 2],
  i => Promise.resolve(i),
)
// => [1, 2]

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