Method removeControl

packages/forms/src/model/form_group.ts:326–332

* Remove a control from this group. In a strongly-typed group, required controls cannot be * removed. * * This method also updates the value and validity of the control. * * @param name The control name to remove from the collection * @param options Specifies whether this FormGroup

(name: string, options: {emitEvent?: boolean} = {})

   * removed. When false, no events are emitted.
   */
  removeControl(name: string, options: {emitEvent?: boolean} = {}): void {
    const existingControl = this._find(name);
    if (existingControl) existingControl._registerOnCollectionChange(() => {});
    delete (this.controls as any)[name];
    this.updateValueAndValidity({emitEvent: options.emitEvent});
    this._onCollectionChange();
  }

  /**
   * Replace an existing control. In a strongly-typed group, the control must be in the group's type