import { PINNED_MESSAGES } from '../actions/actionsTypes'; const initialState = { messages: [], isOpen: false }; export default function server(state = initialState, action) { switch (action.type) { case PINNED_MESSAGES.OPEN: return { ...state, isOpen: true }; case PINNED_MESSAGES.MESSAGES_RECEIVED: return { ...state, messages: [...state.messages, ...action.messages] }; case PINNED_MESSAGES.MESSAGE_UNPINNED: return { ...state, messages: state.messages.filter(message => message._id !== action.messageId) }; case PINNED_MESSAGES.CLOSE: return initialState; default: return state; } }