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USO - add USOa button on userstyle page

Add a link to the copy of the current userstyle on uso.kkx.one

当前为 2022-06-09 提交的版本，查看 最新版本。

// ==UserScript==
// @name         USO - add USOa button on userstyle page
// @namespace    github.com/Procyon-b
// @version      0.2
// @description  Add a link to the copy of the current userstyle on uso.kkx.one
// @author       Achernar
// @match        https://userstyles.org/styles/*
// @grant        none
// ==/UserScript==

(function() {
"use strict";

var b=document.querySelector('#top-buttons > .left');

const obs=new MutationObserver(function(muts){
  for (let mut of muts) {
    for (let n of mut.addedNodes) {
      b=n && n.querySelector && n.querySelector('#top-buttons > .left');
      if (b) {
        this.disconnect();
        setTimeout(addLink,0);
        return;
        }
      }
    }
  });

if (b) addLink();
else obs.observe(document.body, {attributes: false, subtree: true, childList: true });

function addLink() {
  var L='https://uso.kkx.one/style/'+location.pathname.split('/')[2];
  var e=document.createElement('style');
  b.appendChild(e);
  e.innerText='#USOa {background: #39c739; color: white; text-align: center;}';
  e=document.createElement('a');
  b.appendChild(e);
  e.outerHTML='<a href="'+L+'" target="_blank" class="customize_button" id="USOa"><div>Install from USO&nbsp;archive</div></a>';
}

})();