NProgress and RequireJS with an interval

nprogress-requirejs-interval.js

// Start showing a progress bar
NProgress.start();

// Make the user think we're continuously making progress 
const timer = setInterval(() => NProgress.inc(), 100);

// Send a network request, and when it's done, hide the bar
sendNetworkRequest().then(() => {
    clearInterval(timer);
    NProgress.stop();
    doOtherWork();
});