4chan sort comments

buttons to sort 4chan comments (placed under the thread watcher)

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        4chan sort comments
// @namespace   github.com/diegostafa/userscripts
// @match       https://boards.4chan.org/*/thread/*
// @match       https://boards.4channel.org/*/thread/*
// @grant       none
// @version     1.0
// @author      Diego <[email protected]> (github.com/diegostafa)
// @description buttons to sort 4chan comments (placed under the thread watcher)
// @run-at      document-end
// ==/UserScript==

const sortComments = (sortingRule) => {
  let thread = document.querySelector(".thread");
  let comments = [...thread.children];

  comments.shift(); // ignore OP
  comments.sort(sortingRule);
  comments.forEach(comment => {
    thread.appendChild(comment);
  });
};

const urlRegex = /.*:(\/\/|\?).*/gi;

const isImage = (file) => {
  return !file.endsWith(".webm") && !file.endsWith(".gif");
};

const byRepliesDesc = (a, b) => {
  const repliesA = a.querySelectorAll(".backlink > span").length;
  const repliesB = b.querySelectorAll(".backlink > span").length;
  return repliesB - repliesA;
};

const byTimeDesc = (a, b) => {
  const timeA = a.querySelector(".dateTime").getAttribute("data-utc");
  const timeB = b.querySelector(".dateTime").getAttribute("data-utc");
  return timeA - timeB;
};

const byImagesFirst = (a, b) => {
  const fileA = a.querySelector(".fileThumb");
  const fileB = b.querySelector(".fileThumb");

  if (fileB && isImage(fileB.getAttribute("href")))
    return 1;
  if (fileA && isImage(fileA.getAttribute("href")))
    return -1;
  return 0;
};

const byVideosFirst = (a, b) => {
  const fileA = a.querySelector(".fileThumb");
  const fileB = b.querySelector(".fileThumb");

  if (fileB && !isImage(fileB.getAttribute("href")))
    return 1;
  if (fileA && !isImage(fileA.getAttribute("href")))
    return -1;
  return 0;
};

const byLinksFirst = (a, b) => {
  const textA = a.querySelector(".postMessage").innerText;
  const textB = b.querySelector(".postMessage").innerText;

  return urlRegex.test(textB) - urlRegex.test(textA);
};

const createSortButton = (text, action) => {
  let button = document.createElement("div");
  button.addEventListener("click", action);
  button.innerHTML = text;
  button.style.backgroundColor = "#444444";
  button.style.color = "white";
  button.style.textAlign = "center";
  button.style.border = "none";
  button.style.padding = "2px";
  button.style.cursor = "pointer";
  return button;
};

const createBtnContainer = () => {
  let div = document.createElement("div");
  div.style.display = "grid";
  div.style.gridTemplateColumns = "repeat(2, 1fr)";
  div.style.gridGap = "2px";
  return div;
};


let threadWatcher = document.getElementById("threadWatcher");
let btnContainer = createBtnContainer();

btnContainer.appendChild(createSortButton("by replies", () => { sortComments(byRepliesDesc); }));
btnContainer.appendChild(createSortButton("by time", () => { sortComments(byTimeDesc); }));
btnContainer.appendChild(createSortButton("images first", () => { sortComments(byImagesFirst); }));
btnContainer.appendChild(createSortButton("videos first", () => { sortComments(byVideosFirst); }));
btnContainer.appendChild(createSortButton("links first", () => { sortComments(byLinksFirst); }));

threadWatcher.appendChild(btnContainer);