Function createValidationPromise

packages/forms/test/util.ts:13–26

(
  result: ValidationErrors | null,
  timeout: number,
)

import {of} from 'rxjs';

function createValidationPromise(
  result: ValidationErrors | null,
  timeout: number,
): Promise<ValidationErrors | null> {
  return new Promise((resolve) => {
    if (timeout == 0) {
      resolve(result);
    } else {
      setTimeout(() => {
        resolve(result);
      }, timeout);
    }
  });
}

/**
 * Returns a promise-based async validator that emits, after a delay, either: