highway.js/examples/fade/src/js/main.js

Highway is an light-weight JS Page Loader

// Dependencies
import Highway from 'highway';
import TweenMax from 'gsap';

// Views
import Home from 'views/home';
import Page from 'views/page';

// App
class App {
  constructor() {
    document.addEventListener('DOMContentLoaded', () => {
      new Highway.Loader({
        views: {
          'home': Home,
          'page': Page,
        },
      });
    });
  }
}

new App();