@actualwave/resolve-or-timeout 中文文档教程

Question

@actualwave/resolve-or-timeout

在 Promise.race() 中运行的函数是您的承诺和超时，如果超时先完成，则结果承诺会因错误而拒绝。

export const resolveOrTimeout = <T = unknown>(

  // Promise or a function that will be passed to a Promise object
  promiseOrHandler:
    | Promise<T>
    | ((
        resolve: (data: T) => void,
        reject?: (data: unknown) => void
      ) => unknown),

  // timeout in milliseconds. if 0, race condition will not apply and original promise will be returned as is
  timeout: number, 

  // optional, timeout error message
  timeoutError?: string, 

  // optional callback that will be executed when timeout completes first
  onTimeout?: (msg: string) => void 
) => Promise<T>;

Example

try {
  /*
    if request resolves in less than 500 ms, you will get response
  */
  const response = await resolveOrTimeout(
    fetch('/super/long/request'),
    500,
    'Sorry, your request takes toooooo long.',
  );
} catch (error) {
  /*
    if request takes longer than 500 ms, promise rejects with error message
  */
}

它接受承诺或将传递给承诺的函数。

const response = await resolveOrTimeout(
  (resolve) => {
    // do something then resolve
  },
  500
);