NProgress with anchors and nextjs

example.js

// NOTE(jim): This is a little hacky because we actually make server trips.
if (process.browser) {
  NProgress.configure({
    showSpinner: false,
    easing: 'ease',
    speed: 300,
    minimum: 0.8,
  });
  NProgress.done(true);

  window.onbeforeunload = function() {
    NProgress.configure({
      showSpinner: false,
      easing: 'ease',
      speed: 500,
      minimum: 0.08,
    });
    NProgress.start();
  };

  window.onunload = function() {
    NProgress.done();
  };
}