打字稿：类型“从不”上不存在属性“标签”

Question

如何解决这个错误：

类型“从不”上不存在属性“标签”

  <Picker
        dropdownIconColor='black'
        mode="dropdown">
        {stateList.map(option => <Picker.Item label={option.label} key={option.key} value={option.value} />)}
      </Picker>

Answer 1

在 Typescript 中使用 useState 钩子如下：

//react javascript
const [wearablesList, setWearablesList] = useState([]);

//react typescript
interface Provider {
  connected: boolean;
  type: string;
}
const [wearablesList, setWearablesList] = useState<Provider[]>([]);