Найден не подлежащий вызову @@ iterator в реагирующий магазин

Question

TypeError: Найдена не подлежащая вызову @@ iterator

const middelware = {thunk};const Store = createStore (rootReducer, initialState, compose (applyMiddleware (... middelware), window.devToolsExtension? window.devToolsExtension (): f => f

const middelware = {thunk}; const Store = createStore)(rootReducer, initialState, compose (applyMiddleware (... middelware), window.devToolsExtension? window.devToolsExtension (): f => f