import { TRENDS_FETCH_REQUEST, TRENDS_FETCH_SUCCESS, TRENDS_FETCH_FAIL, } from '../actions/trends'; import { Map as ImmutableMap, List as ImmutableList, fromJS } from 'immutable'; const initialState = ImmutableMap({ items: ImmutableList(), isLoading: false, }); export default function trendsReducer(state = initialState, action) { switch(action.type) { case TRENDS_FETCH_REQUEST: return state.set('isLoading', true); case TRENDS_FETCH_SUCCESS: return state.withMutations(map => { map.set('items', fromJS(action.tags.map((x => x)))) map.set('isLoading', false); }); case TRENDS_FETCH_FAIL: return state.set('isLoading', false); default: return state; } };