noytshorts.user.js

// ==UserScript==
// @name        No YouTube Shorts
// @namespace   https://gist.github.com/Silveere/55d9f114e9eea259164881fdb6bda0e7
// @match       *://www.youtube.com/*
// @grant       none
// @version     1.0
// @author      NullBite
// @updateURL   https://gist.github.com/Silveere/55d9f114e9eea259164881fdb6bda0e7/raw/noytshorts.user.js
// @downloadURL https://gist.github.com/Silveere/55d9f114e9eea259164881fdb6bda0e7/raw/noytshorts.user.js
// @description 3/21/2022, 8:25:41 AM
// ==/UserScript==

function main() {
  if (window.location.href.match(/^https?:\/\/www\.youtube\.[a-z.]*\/shorts\//)) {
    href="https://www.youtube.com/watch?v=" + window.location.href.match(/\/([A-Za-z0-9-_]*)$/)[1]
    console.log("Short detected. Redirecting to " + href)
    window.location.replace(href)
  }
}
console.log("No YouTube Shorts loaded")
main()

last_href=window.location.href

setInterval(function() {
    if (last_href != window.location.href) {
      main()
    }
    last_href=window.location.href
  }, 500)