import React, { Component } from "react"; import { HashRouter, Route, Switch} from "react-router-dom"; import { enquireScreen } from "enquire-js"; import Home from "./Home/main"; import Page2 from "./Home/history"; import Entry from "./Entry"; import Login from "./components/Login"; import ChooseTime from "./components/ChooseTime" let isMobile; enquireScreen((b) => { isMobile = b; }); class App extends Component { constructor(props) { super(props); this.state = { isMobile, }; } componentDidMount() { enquireScreen((b) => { this.setState({ isMobile: !!b }); }); } render() { return (