Greasy Fork is available in English.

9gag - Return dislike count

Display the like and dislike counts next to the arrow buttons. Forces display of poster's name instead of section. Display account's age next to posts and comments

このスクリプトの質問や評価の投稿はこちら、通報はこちらへお寄せください。 
// ==UserScript==
// @name         9gag - Return dislike count
// @namespace    https://github.com/Procyon-b
// @version      0.5
// @description  Display the like and dislike counts next to the arrow buttons. Forces display of poster's name instead of section. Display account's age next to posts and comments
// @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.post && r.data.post.interests) {
    r.data.post.interests=[];
    addProf(r.data.post.creator);
    }
  if (r && r.data && r.data.posts) {
    for (let v,k=0; v=r.data.posts[k]; k++) {
      v.interests=[];    
      posts[v.id]={id: v.id, up: v.upVoteCount, down: v.downVoteCount};
      addProf(v.creator);
      }
    }
  try{
    if (r.data.items) {
      for (let v,k=0; v=r.data.items[k]; k++) {
        if (v.post) v.post.interests=[];
        }
      }
    }
  catch(e){}

  if (r && r.payload && r.payload.comments) {
    for (let v,k=0; v=r.payload.comments[k]; k++) {
      addProf(v.user);
      }
    }

  return r;
  }


var posts={}, done=false,
    prof={},
    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;
}
.post-award-users {
  display: none !important;
}

.ui-post-creator__creation::after,
.post-view-header__head::after,
.ui-comment-header__container .ui-comment-header__time::after {
  content: var(--profage);
  margin-left: 1em;
  color: var(--palette-text-normal);
  pointer-events: none;
}
.ui-comment-header__container a.ui-comment-header__time::after {
  position: absolute;
}
`;

function addProf(v) {
  if (v && !prof[v.username || v.displayName]) {
    prof[v.username || v.displayName]={v, id: v.accountId, creation: v.creationTs || v.timestamp || (v.userId && v.userId.substr(2,10)), fullName: v.fullName, username: v.username || v.displayName, approx: v.creationTs?0:1 }
    }
  }

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

  addSt();
  getBtnV();
  }

if (document.readyState != 'loading') init();
else {
  document.addEventListener('DOMContentLoaded', init);
  window.addEventListener('load', init);
  }

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+'";';
        }
      }
    }
  
  a=r.querySelectorAll('.ui-post-creator__author:not(._fixed), .post-view-header__author:not(._fixed), .ui-comment-header__username:not(._fixed)');
  for (let n of a) {
    n.classList.add('_fixed');
    let id=n.href.split('/').pop();
    if (prof[id] && parseInt(prof[id].creation) ) {
      let d=parseInt( ( Date.now()/1000 - prof[id].creation ) /60/60/24 )
      n.parentNode.style='--profage: "('+(prof[id].approx?'~ ':'')+d+' days old)"';
      }
    }
  }

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


})();