bind Listener

bindListener.swift

// MARK: - Binding

private extension UserListViewController {
  func bind(listener: UserListPresentableListener?) {
    guard let listener = listener else { return }
    bindActions(to: listener)
    bindState(from: listener)
  }
}

// MARK: - Binding Action

private extension UserListViewController {
  func bindActions(to listener: UserListPresentableListener) {
    bindItemSelectedAction(to: listener)
    /* ... */
  }
  
  func bindItemSelectedAction(to listener: UserListPresentableListener) {
    tableView.rx.itemSelected
      .map { .itemSelected($0) }
      .bind(to: listener.action)
      .disposed(by: disposeBag)
  }
  
  /* ... */
}

// MARK: - Binding State

private extension UserListViewController {
  func bindState(from listener: UserListPresentableListener) {
    bindUserListSectionsState(from: listener)
    /* ... */
  }
  
  func bindUserListSectionsState(from listener: UserListPresentableListener) {
    listener.state.map(\.userListSections)
      .distinctUntilChanged()
      .asDriver(onErrorJustReturn: [])
      .drive(tableView.rx.items(dataSource: dataSource()))
      .disposed(by: disposeBag)
  }
  
  /* ... */
}