Function prepareFormSubscriber

src/FinalForm.subscribing.test.ts:8–28

(fieldName, subscription, config = {})

describe("FinalForm.subscribing", () => {
  const prepareFormSubscriber = (fieldName, subscription, config = {}) => {
    const form = createForm({ onSubmit: onSubmitMock, ...config });
    const spy = jest.fn();
    form.subscribe(spy, subscription);
    expect(spy).toHaveBeenCalled();
    expect(spy).toHaveBeenCalledTimes(1);

    let blur;
    let change;
    let focus;
    form.registerField(
      fieldName,
      (fieldState) => {
        blur = fieldState.blur;
        change = fieldState.change;
        focus = fieldState.focus;
      },
      {},
    );
    return { blur, change, focus, spy };
  };

  it("should throw an error if no callback is given", () => {
    const form = createForm({ onSubmit: onSubmitMock });