text: import React from "react";
  import ReactDOM from "react-dom";
  import App from "next/app";
  import Head from "next/head";
  import Router from "next/router";
  
  import PageChange from "components/PageChange/PageChange.js";
  
  import "assets/scss/nextjs-material-kit.scss?v=1.1.0";
  
  Router.events.on("routeChangeStart", url => {
    console.log(`Loading: ${url}`);
    document.body.classList.add("body-page-transition");
    ReactDOM.render(
      <PageChange path={url} />,
      document.getElementById("page-transition")
    );
  });
  Router.events.on("routeChangeComplete", () => {
    ReactDOM.unmountComponentAtNode(document.getElementById("page-transition"));
    document.body.classList.remove("body-page-transition");
  });
  Router.events.on("routeChangeError", () => {
    ReactDOM.unmountComponentAtNode(document.getElementById("page-transition"));
    document.body.classList.remove("body-page-transition");
  });
  
  export default class MyApp extends App {
    componentDidMount() {
      let comment = document.createComment(`
  
  `);
      document.insertBefore(comment, document.documentElement);
    }
    static async getInitialProps({ Component, router, ctx }) {
      let pageProps = {};
  
      if (Component.getInitialProps) {
        pageProps = await Component.getInitialProps(ctx);
      }
  
      return { pageProps };
    }
    render() {
      const { Component, pageProps } = this.props;
  
      return (
        <React.Fragment>
          <Head>
            <title>Tech Tag</title>
          </Head>
          <Component {...pageProps} />
        </React.Fragment>
      );
    }
  }
  