Method _setupWithForm

packages/forms/src/directives/ng_model.ts:401–408

* Sets up the control with the form, handling FVC vs CVA branching. * Called by NgForm.addControl. * @internal

(callSetDisabledState?: SetDisabledStateOption)

   * @internal
   */
  _setupWithForm(callSetDisabledState?: SetDisabledStateOption): void {
    if (!this.isCustomControlBased) {
      this.valueAccessor ??= this.selectedValueAccessor;
      setUpControlValueAccessor(this.control, this, callSetDisabledState);
    } else {
      this.setupCustomControl();
    }
  }

  private _checkForErrors(): void {
    if ((typeof ngDevMode === 'undefined' || ngDevMode) && !this._isStandalone()) {