nfp_sites/heimaerbest/app/index.js

const m = require('mithril')
const Header = require('./header')
const Footer = require('./footer')
const Frontpage = require('./site_frontpage')
const NotFound = require('./site_404')
window.m = m

m.route.setOrig = m.route.set
m.route.set = function(path, data, options){
  m.route.setOrig(path, data, options)
  window.scrollTo(0, 0)
}

m.route.linkOrig = m.route.link
m.route.link = function(vnode){
  m.route.linkOrig(vnode)
  window.scrollTo(0, 0)
}

m.route.prefix = ''

const allRoutes = {
  '/': Frontpage, // Frontpage
  '/:404...': NotFound,
}

// Wait until we finish checking avif support, some views render immediately and will ask for this immediately before the callback gets called.

/*
 * imgsupport.js from leechy/imgsupport 
 */
const AVIF = new Image();
AVIF.onload = AVIF.onerror = function () {
  window.supportsavif = (AVIF.height === 2)
  document.body.className = document.body.className + ' ' + (window.supportsavif ? 'avifsupport' : 'jpegonly')

  m.mount(document.getElementById('header'), Header)
  m.route(document.getElementById('main'), '/', allRoutes)
  m.mount(document.getElementById('footer'), Footer)
}
AVIF.src = 'data:image/avif;base64,AAAAIGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZk1BMUIAAADybWV0YQAAAAAAAAAoaGRscgAAAAAAAAAAcGljdAAAAAAAAAAAAAAAAGxpYmF2aWYAAAAADnBpdG0AAAAAAAEAAAAeaWxvYwAAAABEAAABAAEAAAABAAABGgAAABcAAAAoaWluZgAAAAAAAQAAABppbmZlAgAAAAABAABhdjAxQ29sb3IAAAAAamlwcnAAAABLaXBjbwAAABRpc3BlAAAAAAAAAAIAAAACAAAAEHBpeGkAAAAAAwgICAAAAAxhdjFDgQAMAAAAABNjb2xybmNseAABAA0ABoAAAAAXaXBtYQAAAAAAAAABAAEEAQKDBAAAAB9tZGF0EgAKCBgAPkgIaDQgMgkf8AAAQAAAr3A=';