Method set

libs/state/src/lib/rx-state.service.ts:331–366

* @internal

(
    keyOrStateOrProjectState: Partial<State> | ProjectStateFn<State> | Key,
    stateOrSliceProjectFn?: ProjectValueFn<State, Key>,
  )

   * @internal
   */
  set<Key extends keyof State>(
    keyOrStateOrProjectState: Partial<State> | ProjectStateFn<State> | Key,
    stateOrSliceProjectFn?: ProjectValueFn<State, Key>,
  ): void {
    if (
      typeof keyOrStateOrProjectState === 'object' &&
      stateOrSliceProjectFn === undefined
    ) {
      this.accumulator.nextSlice(keyOrStateOrProjectState);
      return;
    }

    if (
      typeof keyOrStateOrProjectState === 'function' &&
      stateOrSliceProjectFn === undefined
    ) {
      this.accumulator.nextSlice(
        keyOrStateOrProjectState(this.accumulator.state),
      );
      return;
    }

    if (
      isKeyOf<State>(keyOrStateOrProjectState) &&
      typeof stateOrSliceProjectFn === 'function'
    ) {
      const state: Partial<State> = {};
      state[keyOrStateOrProjectState] = stateOrSliceProjectFn(
        this.accumulator.state,
      );
      this.accumulator.nextSlice(state);
      return;
    }

    throw new Error('wrong params passed to set');
  }

  /**
   * @description