Function simpleAsyncValidator

packages/forms/test/util.ts:56–70

({
  timeout = 0,
  shouldFail,
  customError = {
    async: true,
  },
}: {
  timeout?: number;
  shouldFail: boolean;
  customError?: any;
})

 * @param customError When supplied, overrides the default error `{async: true}`
 */
export function simpleAsyncValidator({
  timeout = 0,
  shouldFail,
  customError = {
    async: true,
  },
}: {
  timeout?: number;
  shouldFail: boolean;
  customError?: any;
}): AsyncValidatorFn {
  const result = shouldFail ? customError : null;
  return (c: AbstractControl) =>
    timeout === 0 ? of(result) : createValidationPromise(result, timeout);
}

/**
 * Returns the asynchronous validation state of each provided control