Class CustomCheckbox

packages/forms/signals/test/web/form_field.spec.ts:4527–4534

  it('synchronizes with a custom checkbox control', () => {
    @Component({
      selector: 'my-checkbox',
      template:
        '<input type="checkbox" #i [checked]="checked()" (input)="checked.set(i.checked)" />',
    })
    class CustomCheckbox implements FormCheckboxControl {
      checked = model(false);
    }

    @Component({
      imports: [FormField, CustomCheckbox],