Function promiseWithResolvers

packages/forms/signals/test/web/interop.spec.ts:1467–1481

()

 */
// TODO: share this with submit.spec.ts
function promiseWithResolvers<T = void>(): {
  promise: Promise<T>;
  resolve: (value: T | PromiseLike<T>) => void;
  reject: (reason?: any) => void;
} {
  let resolve!: (value: T | PromiseLike<T>) => void;
  let reject!: (reason?: any) => void;

  const promise = new Promise<T>((res, rej) => {
    resolve = res;
    reject = rej;
  });

  return {promise, resolve, reject};
}