Function attemptAsync

attemptAsync<T extends (...args: any[]) => Promise<any>, E = Error>(
func: T,
...args: Parameters<T>,
): Promise<[null, AsyncReturnType<T>] | [E, null]>
Attempt to execute a function and return the result or error. Returns a Promise that resolves to a tuple where:
- On success: [null, Result] - First element is null, second is the result
- On error: [Error, null] - First element is the caught error, second is null
Only applicable to asynchronous execution functions

尝试执行函数并返回结果或错误。返回一个解析为元组的 Promise，其中：
- 成功时：[null, Result] - 第一个元素为 null，第二个为结果
- 错误时：[Error, null] - 第一个元素为捕获的错误，第二个为 null
仅适用于异步执行函数
Type Parameters
- T extends (...args: any[]) => Promise<any>
  The type of elements in the array / 数组元素的类型
- E = Error
Parameters
- func: T
  The asynchronous function to execute. 要执行的异步函数
- ...args: Parameters<T>
  The arguments to pass to the function. 要传递给函数的参数
Returns Promise<[null, AsyncReturnType<T>] | [E, null]>
A tuple of [Error, null] if the function throws an error, or [null, Result] if it resolves successfully 如果函数抛出错误，则返回 [Error, null] 元组；如果成功解析，则返回 [null, Result] 元组。
Example
```
const [error, result] = await attemptAsync(() => Promise.resolve(12)) // [null, 12]
const [error, result] = await attemptAsync(() => { return Promise.reject(new Error('error')) }) // [Error, null]
```
Example
```
const add = (a, b) => Promise.resolve(a + b)
const [error, result] = await attemptAsync(add, 1, 2) // [null, 3]
// or
const [error, result] = await attemptAsync(async() => await add(1, 2)) // [null, 3]
```
- Defined in src/util/attempt-async.ts:41

Function attemptAsync

Type Parameters

Parameters

Returns Promise<[null, AsyncReturnType<T>] | [E, null]>

Example

Example

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