import { POLLS_IMPORT } from '../actions/importer'; import { Map as ImmutableMap, fromJS } from 'immutable'; const importPolls = (state, polls) => state.withMutations(map => polls.forEach(poll => map.set(poll.id, fromJS(poll)))); const initialState = ImmutableMap(); export default function polls(state = initialState, action) { switch(action.type) { case POLLS_IMPORT: return importPolls(state, action.polls); default: return state; } }