我收到此错误
client:159 [at-loader] ./src/App.tsx:40:46 TS2322: Type 'unknown' is not assignable to type 'FunctionComponent | ComponentClass | ComponentClass, any> | FunctionComponent> | undefined'. Type 'unknown' is not assignable to type 'FunctionComponent>'.
在此组件上:
import React, { FC, useState } from 'react';
import { Provider } from 'react-redux';
import { BrowserRouter, Route, Switch } from 'react-router-dom';
import User from './scenes/user/User';
const store = configureStore();
type IsOpen = boolean;
const App: FC = () => {
const [sidebarOpen, setSidebarOpen] = useState<IsOpen>(false);
return (
<Provider store={store}>
<BrowserRouter>
<Sidebar
open={sidebarOpen}
sidebar={<PrimaryNav closeNav={() => setSidebarOpen(false)} />}
onSetOpen={setSidebarOpen}
styles={{ sidebar: { background: 'black' } }}>
<Header sidebarOpen={sidebarOpen} onSetSidebarOpen={setSidebarOpen} />
<Switch>
<Route exact={true} path='/' component={NewsArticles} />
<Route exact={true} path='/user' component={User} />
<Route path='/user/:id' component={User} />
</Switch>
</Sidebar>
</BrowserRouter>
</Provider>
);
};
export default App;
就这两行
<Route exact={true} path='/user' component={User} />
<Route path='/user/:id' component={User} />
这是用户组件:
import React, { FC, useEffect } from 'react';
import { withRouter } from 'react-router-dom';
type Props = {
match: any;
history: any;
location: any;
withRouter: any;
fetchUsers?: any;
users?: UserInfoModel[];
};
const mapState = (state: UsersAppState, props: Props) => {
return {
users: state.usersReducers.users,
...props
};
};
const actionCreators = {
fetchUsers
};
const User: FC<Props> = props => {
const { history, users, location, match, fetchUsers } = props;
const setID = match.params.hasOwnProperty('id') ? match.params.id : 'AbedA';
const handleFetch = () => {
return fetchUsers(setID);
};
useEffect(() => {
if (!users || !users.length) {
handleFetch();
}
}, []);
useEffect(() => {
handleFetch();
}, [location.pathname, match.params.id]);
return (
<UserContainer history={history} fetchUsers={() => fetchUsers(setID)} users={users} profilePicture={profileImg} />
);
};
export default compose(
connect(
mapState,
actionCreators
),
withRouter
)(User);
我提出的关于 react-router/react-router-dom
的每件事都带有错误。
如果我删除 withRouter
错误就会消失。
我做错了什么?
最佳答案
您可以这样解决错误:
export default compose<React.ComponentType<Props>>(
connect(
mapState,
actionCreators
),
withRouter
)(User);
关于javascript - TS错误: Type 'unknown' is not assignable to type 'FunctionComponent<any> due to withRouter,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/57172382/