Method get

libs/state/src/lib/rx-state.service.ts:253–284

@internal

(
    ...keys:
      | [KeyA]
      | [KeyA, KeyB]
      | [KeyA, KeyB, KeyC]
      | [KeyA, KeyB, KeyC, KeyD]
      | [KeyA, KeyB, KeyC, KeyD, KeyE]
      | [KeyA, KeyB, KeyC, KeyD, KeyE, KeyF]
  )

  /** @internal **/
  get<
    KeyA extends keyof State,
    KeyB extends keyof State[KeyA],
    KeyC extends keyof State[KeyA][KeyB],
    KeyD extends keyof State[KeyA][KeyB][KeyC],
    KeyE extends keyof State[KeyA][KeyB][KeyC][KeyD],
    KeyF extends keyof State[KeyA][KeyB][KeyC][KeyD][KeyE],
  >(
    ...keys:
      | [KeyA]
      | [KeyA, KeyB]
      | [KeyA, KeyB, KeyC]
      | [KeyA, KeyB, KeyC, KeyD]
      | [KeyA, KeyB, KeyC, KeyD, KeyE]
      | [KeyA, KeyB, KeyC, KeyD, KeyE, KeyF]
  ):
    | State
    | State[KeyA]
    | State[KeyA][KeyB]
    | State[KeyA][KeyB][KeyC]
    | State[KeyA][KeyB][KeyC][KeyD]
    | State[KeyA][KeyB][KeyC][KeyD][KeyE]
    | State[KeyA][KeyB][KeyC][KeyD][KeyE][KeyF] {
    const hasStateAnyKeys = Object.keys(this.accumulator.state).length > 0;
    if (!!keys && keys.length) {
      return safePluck(this.accumulator.state, keys);
    } else {
      return hasStateAnyKeys
        ? this.accumulator.state
        : (undefined as unknown as State);
    }
  }

  /**
   * @description