export default (state = {rowData: [], currencySymbol: '£', exchangeRate: 1}, action) => { switch (action.type) { case 'ROW_DATA_CHANGED': return { ...state, rowData: action.rowData, }; case 'CURRENCY_CHANGED': return { ...state, currencySymbol: action.currencySymbol, exchangeRate: action.exchangeRate }; default: return state; } };