雖然在一個非常類似的問題: Failed prop type: The prop todos[0].id is marked as required in TodoList, but its value is undefined無法運行Redux的待辦事項例如(待辦事項陣列未定義)
貌似只有症狀是相同的(我糾正了所有的勸告進口)
我可以添加待辦事項元件,但是當我點擊的元件上,以某種方式todos
陣列變得undefined
,並打印以下錯誤輸出到控制檯:
Warning: Failed prop type: The prop `todos[0]` is marked as required in `TodoList`, but its value is `undefined`.
我有創建一個最小化例如儲存庫,其在表現該問題: https://github.com/klaszlo/redux-todo-nonworking
((原來的例子:https://github.com/reactjs/redux/tree/master/examples/todos))
步驟重現:
I.安裝的依賴關係:
git clone https://github.com/klaszlo/redux-todo-nonworking.git
cd redux-todo-nonworking
npm install
II。建立:
npm run build
三,運行本地服務器:
cd dist && npm run test:server
四,導航在瀏覽器中:
http://localhost:8080
五BUG重現
- 添加待辦事項元素
- 一下就可以了(和觀看的JavaScript輸出)