Method notifyOnChanges

packages/core/src/linker/query_list.ts:165–168

* Triggers a change event by emitting on the `changes` EventEmitter.

()

   * Triggers a change event by emitting on the `changes` {@link EventEmitter}.
   */
  notifyOnChanges(): void {
    if (this._changes !== undefined && (this._changesDetected || !this._emitDistinctChangesOnly))
      this._changes.next(this);
  }

  /** @internal */
  onDirty(cb: () => void) {