9gag - Return dislike count

Display the like and dislike counts next to the arrow buttons
Verzia zo dňa 23.05.2023. Pozri najnovšiu verziu.
Spýtať sa otázku, uverejniť recenziu, alebo nahlásiť skript.
Zalomiť riadky
// ==UserScript==
// @name         9gag - Return dislike count
// @namespace    https://github.com/Procyon-b
// @version      0.2
// @description  Display the like and dislike counts next to the arrow buttons
// @author       Achernar
// @match        https://9gag.com/*
// @run-at       document-start
// @grant        none
// ==/UserScript==

(function() {
"use strict";

// JSON.parse
var JP=JSON.parse;
JSON.parse=function(){
  var r=JP(...arguments);

  if (r && r.data && r.data.posts) {
    for (let v,k=0; v=r.data.posts[k]; k++) {
      posts[v.id]={id: v.id, up: v.upVoteCount, down: v.downVoteCount};
      }
    }

  return r;
}




var posts={};
window._posts=posts;

function init() {
  var obs = new MutationObserver(function(muts){
    for (let mut of muts) {
      if (mut.addedNodes.length) {
        getBtnV(mut.target);
        break;
        }
      }
    });
  obs.observe(document.body, {subtree: true, childList: true} );

  addSt();
  getBtnV();
  }

if (document.readyState != 'loading') init('"already done"', 1);
else {
  document.addEventListener('DOMContentLoaded', (ev) => { init('DOM');} );
  window.addEventListener('load', (ev) => { init('wLoad', 1);} );
  }

function getBtnV(r=document) {
  var a=r.querySelectorAll(':first-child.btn-vote:not(._fixed), .post-vote:not(.fixed)');
  for (let n of a) {
    n.classList.add('_fixed');
    let p=n.closest('article');
    if (p) {
      let id= (p.id || '').split('-').pop();
      if (!id) { // mobile
        let e=p.querySelector(':scope > header > a[href^="/gag/"]');
        if (e) id=e.href.split('/').pop();
        }
      if (posts[id]) {
        n.classList.add('_exists');
        n.style='--upvotes: "'+posts[id].up+'"; --downvotes: "'+posts[id].down+'";';
        }
      }
    }
  }

var ST, iST=`
._fixed._exists li::before,
._fixed._exists .post-vote__btn.upvote::before {
  content: var(--upvotes);
}
._fixed._exists li::after,
._fixed._exists .post-vote__btn.downvote::after {
  content: var(--downvotes);
}
._fixed._exists .post-vote__btn.upvote,
._fixed._exists .post-vote__btn.downvote {
  display: flex;
}
`;

function addSt() {
console.info('addSt()');
  if (!iST) {
    document.documentElement.appendChild(ST);
    return;
    }
  try {
    ST=document.createElement('style');
    document.documentElement.appendChild(ST);
    ST.textContent=iST;
    iST='';
  }catch(e){
    setTimeout(addSt,0); }
}


})();