小编Yoh*_*non的帖子

useLocation我对 React Router以及如何获取当前路径名有一些问题。

这就是我正在做的：

    import {BrowserRouter as Router, Switch, Route, Link} from "react-router-dom";
    import {useHistory, useLocation} from 'react-router-dom'
        
    function Home(props) {
        const [isHome, setIsHome] = useState(true);
        const [isContents, setIsContents] = useState(false);
        const [isUserProfile, setIsUserProfile] = useState(false);
        let location = useLocation();
        let history = useHistory();
    
        console.log(location)
        console.log(history)
    
        function getCurrentLocation() {
    
        }
    
        function logout() {
            const logger = fetch('/users/logout');
            logger.then(logout => {
                if (logout.ok) {
                    props.logout()
                } else {
                    console.log('error', logout);
                }
            })
        }
 
    
        return (
            <Router>
                <div className={'container-fluid h-100'}>
                    <div …

webpack devServer将我的项目包从更新为 后，"webpack-dev-server": "3.11.2"当"webpack-dev-server": "4.3.0"我启动项目时，我遇到了这个问题：

>> npm run start
> backoffice@1.0.0 start
> webpack serve --config webpack.dev.js

[webpack-cli] Invalid options object. Dev Server has been initialized using an options object that does not match the API schema.
 - options has an unknown property 'writeToDisk'. These properties are valid:
   object { allowedHosts?, bonjour?, client?, compress?, devMiddleware?, headers?, historyApiFallback?, host?, hot?, http2?, https?, ipc?, liveReload?, magicHtml?, onAfterSetupMiddleware?, onBeforeSetupMiddleware?, onListening?, open?, port?, proxy?, setupExitSignals?, static?, watchFiles?, webSocketServer? } …