Remove rounding

Removes rounding of all elements on all sites. | Прибирає срані заокруглення усіх елементів на всіх сайтах

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Remove rounding 
// @namespace    http://tampermonkey.net/
// @version      0.4
// @description   Removes rounding of all elements on all sites. | Прибирає срані заокруглення усіх елементів на всіх сайтах
// @author       SergoZar
// @match        *://*/*
// @license GPL v2.0
// ==/UserScript==

(function() {
    'use strict';

 function add_style(e, shadow=false){
        var style = document.createElement("style");
        style.setAttribute("unround", '1');
        style.textContent = ` *{
            border-radius: 0 !important;
        }`;

        if (e.shadowRoot){
            //document.querySelectorAll("style[unround='1']")
            e.shadowRoot.append(style);
            console.log(e.shadowRoot.querySelectorAll("style[unround='1']"));
        }
        else
            e.append(style);
    }
    add_style(document.head);

    // https://gist.github.com/Spencer-Doak/9954daae8a859337a08f0022293313a6
    function findRoots(ele) {
    return [ ele, ...ele.querySelectorAll('*') ]
        .filter(e => !!e.shadowRoot)
        .flatMap(e => [e.shadowRoot, ...findRoots(e.shadowRoot)])
    }

    function equal(ar1, ar2){
      if (ar1.length !== ar2.length)
          return false;
      for (var i = 0; i < ar1.length; i++)
          if (ar1[i] !== ar2[i])
              return false;
      return true;
    }

    var shadows_old = findRoots(document.body);
    shadows_old.forEach( i => add_style(i, true) );

    setInterval(function () {
        var shadows_new = findRoots(document.body);
        if(equal(shadows_new, shadows_old)){

        }
        else{
            console.log("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA")
            shadows_old = shadows_new;
            shadows_new.forEach( i => add_style(i, true));
        }
    }, 3000);
})();