import { StatusBar } from "expo-status-bar";
import React from "react";
import { StyleSheet, Text, View } from "react-native";
import Login from "./components/Login";
import Home from "./components/Home";
import { NativeRouter, Switch, Route, Link } from "react-router-native";
im;
export default class App extends React.Component {
constructor(props) {
super(props);
this.state = {
user: {},
};
}
componentDidMount() {
this.authListener();
}
authListener() {
fire.auth().onAuthStateChanged((user) => {
if (user) {
this.setState({ user });
} else {
this.setState({ user: null });
}
});
}
render() {
return (
<NativeRouter>
<View style={styles.container}>
<Switch>
<Route exact path="/">
{this.state.user ? <h1><Home/></h1> : <h1><Login/></h1>}
</Route>
</Switch>
</View>
</NativeRouter>
);
}
}
**在上面的代码中,我使用的是 firebase 身份验证。如果用户已登录,那么我需要将应用程序路由到其他应用程序组件,将应用程序路由到登录组件。我使用 react-router-native 作为 npm 包来路由这里。但我收到错误为“D:/csearch-client/csearch-client/node_modules/react-router-native/NativeRouter.js 11:9 模块解析失败:意外令牌 (11:9) 您可能需要适当的加载器为了处理这个文件类型,目前没有配置加载器来处理这个文件。见https://webpack.js.org/concepts#loaders | */ | function NativeRouter(props) {
返回 <MemoryRouter {...props} />; | } |"**