VKXiaoPlus.user.js

// ==UserScript==
// @name            VK Xiao
// @namespace       https://vk.com/xiaoxiaoflood
// @description     VK tweaks
// @match           https://vk.com/*
// @version         1.4
// @downloadURL     https://gist.githubusercontent.com/xiaoxiaoflood/2dc7432c2430528880b66ac825a47d19/raw/VKXiaoPlus.user.js
// @grant           none
// @run-at          document-start
// ==/UserScript==

// tira "respondeu em" do fórum imediatamente quando primeira página do VK na aba é o fórum
function imediatoTiraRespondeuEm () {
  if (/^\/board/.test(location.pathname)) {
    let obs = new MutationObserver(mutations => {
      mutations.forEach(mutation => {
        if (mutation.addedNodes?.[0].id === 'page_wrap') {
          obs.disconnect();
          for (const elem of mutation.addedNodes[0].getElementsByClassName('blst_date'))
            elem.textContent = elem.textContent.replace(/^(respondeu|escreveu|posted) (em ){0,2}/g, '');
        }
      });
    });

    obs.observe(document.documentElement, {
      childList: true,
      subtree: true
    });
  }
}

// tira "respondeu em" do fórum em navegação interna e rolagem
function tiraRespondeuEm () {
  if (/^\/board/.test(location.pathname)) {
    for (const elem of document.getElementsByClassName('blst_date'))
      elem.textContent = elem.textContent.replace(/^(respondeu|escreveu|posted) (em ){0,2}/g, '');

    if (unsafeWindow.Board.loaded.patched)
      return;

    unsafeWindow.Board.loaded = exportFunction(new Proxy(unsafeWindow.Board.loaded, {
      apply (target, thisArg, args) {
        let numt = document.getElementsByClassName('blst_date').length;

        // com apply seria (thisArg, args), porém daria erro porque o apply tenta acessar args.length e não seria permitido
        let result = target.call(thisArg, ...args);

        for (let n = numt; n < document.getElementsByClassName('blst_date').length; n++)
          document.getElementsByClassName('blst_date')[n].textContent = document.getElementsByClassName('blst_date')[n].textContent.replace(/^(respondeu|escreveu|posted) (em ){0,2}/g, '');

        return result;
      }
    }), unsafeWindow);

    unsafeWindow.Board.loaded.patched = true;
  }
}

// altera o link do avatar das comunidades na página Comunidades para ir direto ao fórum
function linkAvatarForum () {
  if (/^\/groups$/.test(location.pathname)) {
    for (const elem of document.getElementsByClassName('group_row_photo'))
      elem.href = 'https://vk.com/board' + elem.parentElement.dataset.groupId;

    let obs = new MutationObserver(mutations => {
     mutations.forEach(mutation => {
       for (const elem of mutation.addedNodes)
         elem.getElementsByTagName('a')[0].href = 'https://vk.com/board' + elem.id.match(/gl_(admin|groups)(\d+)/)[2];
     })
    })

    obs.observe(document.getElementById('groups_list_content'), {
      childList: true,
      subtree: true
    });
  }
}

/* primeiro previne uso do cache ao clicar pra capa ou pro fórum,
   depois força exibição de 20 posts na última página */
function previneCacheEForca20Posts () {
  document.body.addEventListener('mouseup', e => {
    let aLink = e.target.closest('a');
    if (aLink) {
      /* ao clicar no link pra capa da comunidade (0) ou pro fórum (1), o VK usa back: true
       * para carregar pelo cache ao invés de atualizar. Edito isso para forçar atualização. */
      if (aLink === document.getElementsByClassName('ui_crumb')[0] ||
          aLink === document.getElementsByClassName('ui_crumb')[1]) {
        //clique para a capa da comunidade não carrega do cache
        aLink.setAttribute('onclick', aLink.getAttribute('onclick').replace(/true/, 'false'));
        return;
      }

      /* clicar para a última página de um tópico precisa redirecionar para forçar a exibição
       * de página completa, ou seja, 20 posts. Primeira parte se aplica ao fórum, segunda à
       * capa da comunidade */
      if ((/^https?:\/\/vk\.com\/board\d+$/.test(location.href) &&
           /^https?:\/\/vk\.com\/topic-\d+_\d+\?offset\=last&scroll\=1$/.test(aLink.href)) ||
          (e.target.className == 'topic_inner_link' &&
           /\/topic-\d+_\d+\?offset\=last&scroll\=1/.test(e.target.getAttribute('onmouseover')))) {
        let nposts = e.target.className === 'topic_inner_link' ?
                       /* tira ',' como separador de milhar (independe da língua) para processar número,
                        * primeiro na capa da comunidade e depois no fórum. */
                       e.target.parentElement.firstChild.textContent.match(/[\d,]+/)[0].replace(/,/g,'') :
                       aLink.nextElementSibling.querySelector('.blst_other').textContent.match(/[\d,]+/)[0].replace(/,/g,'');
        let aLinkOrig = aLink.href;
        aLink.href = aLink.href.replace(/last/, nposts > 20 ? nposts -= 20 : 0);
        // restaura link original para que cliques subsequentes continuem indo para o último post
        setTimeout(() => aLink.href = aLinkOrig);
        return;
      }

      /* clicar na última página de um tópico dentro do próprio tópico precisa redirecionar
       * para forçar a exibição de 20 posts também. Seletor para elemento de paginação, a
       * classe é para o elemento flutuante, a id é o elemento fixo no topo. */
      if (aLink === aLink.closest('.pg_fixed_pages, #bt_pages')?.lastElementChild) {
        aLink.href = location.pathname + '?offset=' + (unsafeWindow.cur.pgCount - 20);
        return;
      }

      // no fórum, clicar no link do número da última página também deve exibir 20 posts
      if (aLink === aLink.closest('.blst_other')?.lastElementChild) {
        let nposts = aLink.parentElement.firstChild.textContent.match(/[\d,]+/)[0].replace(/,/g,'');
        let npag = parseInt(aLink.href.match(/^https?:\/\/vk\.com\/topic-\d+_\d+\?offset\=(\d+)$/)[1]);
        if (npag + 20 >= nposts)
          aLink.href = aLink.href.replace(/^(https?:\/\/vk\.com\/topic-\d+_\d+\?offset\=)(\d+)$/, '$1' + (nposts - 20));
      }
    }
  });
}

function testLocation() {
  linkAvatarForum();
  tiraRespondeuEm();

  if (/^\/board/.test(location.pathname))
    linkForum();
  else if (/^\/topic/.test(location.pathname))
    natfun(), obslink(), navtecla(), last();
  else if (document.getElementById('group'))
    obslink();
}

function init () {
  previneCacheEForca20Posts();

  unsafeWindow.nav.setLoc = exportFunction(new Proxy(unsafeWindow.nav.setLoc, {
    apply (target, thisArg, args) {
      let result = target.call(thisArg, ...args);
      testLocation();
      return result;
    }
  }), unsafeWindow);

  pagin = typeof Pagination == 'undefined' ? 0 : 1;
  testLocation();
}

//Mostrar os link completos e tira redirecionamento, depois fazer pra rodar em todas as páginas (posts de mural) e corrigir links cortados (que possuem vírgula, asterisco etc). e links enviados/posts atualizados não estão sendo mostrados por inteiro, conferir
function linkfix(el) {//ultima alteração: coloquei esses dois elses porque link postado sem protocolo tava ficando errado, a ver se esses elses não vão quebrar nada
  if (!el.href.indexOf(location.origin + '/away.php?to='))
      el.href = decodeURIComponent(el.search.slice(4, -8));
  if (el.hasAttribute('title')) {
    let title = (new DOMParser).parseFromString('<!doctype html><body>' + el.title, 'text/html').body.textContent;
    el.href = /^(?!ftp|https?|magnet)/.test(title) ? 'http://' + title : title;
    el.textContent = title;
    el.removeAttribute('title');
  }
  if (el.nextSibling && el.nextSibling.nodeType == 3 && el.nextSibling.data.match(/^[^\s]*(\.[a-zA-Z]{1,5}|\d{7,})([^a-zA-Z] ?|$)/))
     el.href += el.nextSibling.data.match(/(^[^\s]*(\.[a-zA-Z]{1,5}|\d{7,}))([^a-zA-Z] ?|$)/)[1],
     el.innerHTML += el.nextSibling.data.match(/(^[^\s]*(\.[a-zA-Z]{1,5}|\d{7,}))([^a-zA-Z] ?|$)/)[1],
     el.nextSibling.data = el.nextSibling.data.slice(el.nextSibling.data.match(/(^[^\s]*(\.[a-zA-Z]{1,5}|\d{7,}))([^a-zA-Z] ?|$)/)[1].length);
}

function obslink () {
  var observerl = new MutationObserver (function (mutations) {
    mutations.forEach(function (mutation) {//console.log(mutation.target.id + ' ' + mutation.target.className);
      if (mutation.target.className == 'bp_text') {
        for(var n = 0; n < mutation.addedNodes.length; n++){
          if (mutation.addedNodes[n].nodeType == 1 && mutation.addedNodes[n].tagName == 'A') {
            linkfix(mutation.addedNodes[n]);
          }
        }
        if (/(?!">|")( |^|>)magnet:.[^\s<]*/.test(mutation.target)) {
          mutation.target = mutation.target.replace(/( |^|>)(magnet:.[^\s<]*)/g, '$1<a href="$2">$2</a>');
        }
      } else if (mutation.target.className == 'wall_post_text') {
        for(var n = 0; n < mutation.addedNodes.length; n++){
          if (mutation.addedNodes[n].nodeType == 1 && mutation.addedNodes[n].tagName == 'A') {
            linkfix(mutation.addedNodes[n]);
          }
        }
      } else if (mutation.target.id == 'bt_rows') {
        if (mutation.addedNodes[0].className == 'bp_post clear_fix ' || mutation.addedNodes[0].className == 'bp_post clear_fix bp_selected') {
          mutation.addedNodes[0].getElementsByTagName('a').length && [...mutation.addedNodes[0].getElementsByTagName('a')].forEach(el => {
            if (!el.classList.contains('like_btn'))
              linkfix(el);
          })
          if (/(?!">|")( |^|>)magnet:.[^\s<]*/.test(mutation.addedNodes[0].getElementsByClassName('bp_text')[0].innerHTML)) {
            mutation.addedNodes[0].getElementsByClassName('bp_text')[0].innerHTML = mutation.addedNodes[0].getElementsByClassName('bp_text')[0].innerHTML.replace(/( |^|>)(magnet:.[^\s<]*)/g, '$1<a href="$2">$2</a>');
          }
        }
      } else if (mutation.target.id == 'page_wall_posts') {
        if (mutation.addedNodes[0].className == '_post post page_block all own'/* || mutation.addedNodes[0].className == 'bp_post clear_fix bp_selected'*/) {
          mutation.addedNodes[0].getElementsByTagName('a').length && [...mutation.addedNodes[0].getElementsByTagName('a')].forEach(el => {
            if (!el.classList.contains('like_btn'))
              linkfix(el);
          })
        }
      } else if (mutation.target.className == 'page_block' && mutation.addedNodes.length) {
        if (mutation.addedNodes[0].getElementsByClassName('bp_text').length) {
          mutation.addedNodes[0].getElementsByClassName('bp_text')[0].getElementsByTagName('a').length && [...mutation.addedNodes[0].getElementsByClassName('bp_text')[0].getElementsByTagName('a')].forEach(el => {
            if (!el.classList.contains('like_btn'))
              linkfix(el);
          })
          if (/(?!">|")( |^|>)magnet:.[^\s<]*/.test(mutation.addedNodes[0].getElementsByClassName('bp_text')[0].innerHTML)) {
            mutation.addedNodes[0].getElementsByClassName('bp_text')[0].innerHTML = mutation.addedNodes[0].getElementsByClassName('bp_text')[0].innerHTML.replace(/( |^|>)(magnet:.[^\s<]*)/g, '$1<a href="$2">$2</a>');
          }
        } else if (mutation.addedNodes[0].getElementsByClassName('wall_post_text').length) {
          mutation.addedNodes[0].getElementsByClassName('wall_post_text')[0].getElementsByTagName('a').length && [...mutation.addedNodes[0].getElementsByClassName('wall_post_text')[0].getElementsByTagName('a')].forEach(el => {
            if (!el.classList.contains('like_btn'))
              linkfix(el);
          })
        }
      }
    })
  })

  observerl.observe(document.getElementById('content'), {
    childList: true,
    subtree: true});
  if (document.getElementById('bt_rows')) {
    document.getElementById('bt_rows').getElementsByTagName('a').length && [...document.getElementById('bt_rows').getElementsByTagName('a')].forEach(el => {
      if (!el.classList.contains('like_btn'))
        linkfix(el);
    })
    for (var e of document.getElementsByClassName('bp_text')) {
      if (/(?!">|")( |^|>)magnet:.[^\s<]*/.test(e.innerHTML)) {
        e.innerHTML = e.innerHTML.replace(/( |^|>)(magnet:.[^\s<]*)/g, '$1<a href="$2">$2</a>');
      }
    };
  } else if (document.getElementById('page_wall_posts')) {
    document.getElementById('page_wall_posts').getElementsByTagName('a').length && [...document.getElementById('page_wall_posts').getElementsByTagName('a')].forEach(el => {
      if (!el.classList.contains('like_btn'))
        linkfix(el);
    })
  }
}

//atualizar o fórum clicando em Quadro de Discussão, código do VK Manager
function linkForum () {
  if (!/^\?act=(search|create)/.test(location.search)) {
    var $discussionBoard = document.getElementsByClassName('ui_crumb')[1];
    if ($discussionBoard) {
      var $linka = document.createElement('div');
      $linka.setAttribute('class', 'ui_crumb');
      $link = document.createElement('a');
      $link.setAttribute('class', 'ui_crumb');
      $link.textContent = $discussionBoard.firstChild.textContent;
      $link.setAttribute('href', document.location.pathname);
      $link.setAttribute('onclick', 'return nav.go(this, event, {back: false})');
      if ($discussionBoard.childNodes.length >= 1) {
        var $spanEl = document.createElement('span');
        $spanEl.setAttribute('class', 'ui_crumb_count');
        var $span = $discussionBoard.childNodes[1];
        $spanEl.textContent = $span.textContent;
        $linka.appendChild($link);
        $linka.appendChild($spanEl);
      }
      $discussionBoard.parentNode.replaceChild($linka, $discussionBoard);
    }
  }
  setTimeout(function () {
    if (!document.getElementById('board_q').value)
      document.getElementById('board_q').blur();
  }, 2000);//100 instant

  window.addEventListener("keypress", function (e) {
    if (e.key == 'f' && document.activeElement != document.getElementById('board_q') && !document.activeElement.contentEditable)
      document.getElementById('board_q').focus();
  });
}

function last () {
  // tentar dar um jeito para não mexer nisso se não for efetivamente a última página
  if (/\?(offset|post)=\d+(&scroll=1)?/.test(location.search)) {
    history.replaceState({}, 0, location.pathname + '?offset=last&scroll=1');
  }
}

//muda função nativa pra evitar erros no processo de digitar um post num tópico
function natfun() {
  if (document.getElementById('bt_reply_form_wrap')) {
    unsafeWindow.Emoji.editableFocus = exportFunction(function (editable, obj, after, noCollapse, noForce) {
      if (!editable || (noForce && document.activeElement === editable))
        return false;
      editable = unsafeWindow.ge(editable);
      editable.focus();
      if (editable.phonfocus)
        editable.phonfocus();
      if (typeof window.getSelection != 'undefined' && typeof document.createRange != 'undefined') {
        var sel = window.getSelection();
        if (unsafeWindow.browser.opera && !after) {
          sel.collapse(obj || editable, 0);
        } else {
          var range = document.createRange();
          if (obj)
            range.selectNode(obj);
          else
            range.selectNodeContents(editable);

          if (unsafeWindow.mozilla && editable.innerHTML === '<br>')
            editable.innerHTML = ''; // fix strange ff behaviour, inserting empty brs in contenteidtable

          if (!noCollapse)
            range.collapse(after ? false : true);
        }
      } else if (typeof document.body.createTextRange != 'undefined') {
        var textRange = document.body.createTextRange();
        textRange.moveToElementText(obj || editable);
        textRange.collapse(after ? false : true);
        textRange.select();
      }
    }, unsafeWindow);

    unsafeWindow.Emoji.editableFocus.pbind = exportFunction(function () {
      var args = Array.prototype.slice.call(arguments);
      args.unshift(window);
      return this.bind.apply(this, args);
    }, unsafeWindow);
  }
}//fim

//navegar entre as páginas de um tópico usando as teclas de seta
function navtecla () {
  if (pagin)
    removeEvent(window, 'keydown', Pagination.keyNav);

  Pagination.keyNav = function (e) {
    if (!(layers.visible || cur.pgNoArrowNav && cur.pgNoArrowNav())) {
      var r = cur.pgPage,
      i = cur.pgPerPage;
      if (e.keyCode == KEY.RIGHT ? ++r : e.keyCode == KEY.LEFT && --r, !(r == cur.pgPage || 0 > r || r >= Math.ceil(cur.pgCount / i))) {
        var a = nav.objLoc;
        return r && !(e.ctrlKey && e.keyCode == KEY.LEFT) ? a.offset = e.ctrlKey && e.keyCode == KEY.RIGHT ? cur.pgCount - 20 : r * i : delete a.offset ,
        nav.go(a, !1, {
          pgFromFixed : isVisible(cur.pgFixed)
        }),
        cancelEvent(e)
      }
    }
  }

  if (pagin)
    addEvent(window, 'keydown', Pagination.keyNav), pagin = 0;
}

imediatoTiraRespondeuEm();
addEventListener('DOMContentLoaded', init);