Method array

packages/forms/src/form_builder.ts:400–408

* Constructs a new `FormArray` from the given array of configurations, * validators and options. Accepts a single generic argument, which is the type of each control * inside the array. * * @param controls An array of child controls or control configs. Each child control is given an *

(
    controls: Array<T>,
    validatorOrOpts?: ValidatorFn | ValidatorFn[] | AbstractControlOptions | null,
    asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null,
  )

   * @param asyncValidator A single async validator or array of async validator functions.
   */
  array<T>(
    controls: Array<T>,
    validatorOrOpts?: ValidatorFn | ValidatorFn[] | AbstractControlOptions | null,
    asyncValidator?: AsyncValidatorFn | AsyncValidatorFn[] | null,
  ): FormArray<ɵElement<T, null>> {
    const createdControls = controls.map((c) => this._createControl(c));
    // Cast to `any` because the inferred types are not as specific as Element.
    return new FormArray(createdControls, validatorOrOpts, asyncValidator) as any;
  }

  /** @internal */
  _reduceControls<T>(controls: {