Quickly get info from <link>s,filtering unwanted `rel`s

linkfilter.js

function $(query) {
  return Array.from(document.querySelectorAll(query));
}

$('link').filter(link = > ![
  'icon',
	'stylesheet',
	'next',
	'prev'
].some(rel => link.relList.contains(rel))).reduce((links, link) => {
  links[link.rel] = link.href;
  return links
}, {});