import actions from '../actions'; const defaultState = { keys: [], }; export default function reducer(state = defaultState, action = {}) { switch (action.type) { case actions.INPUT_KEY_PRESS: return Object.assign({}, state, { keys: state.keys.concat([ { code: action.code, ctrl: action.ctrl } ]) }); case actions.INPUT_CLEAR_KEYS: return Object.assign({}, state, { keys: [], }); default: return state; } }