Calm Down YouTube

Converts titles on YouTube to be less obnoxious.

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

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

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         Calm Down YouTube
// @version      1.3
// @description  Converts titles on YouTube to be less obnoxious.
// @author       Ryan Poole
// @match        *://www.youtube.com/*
// @run-at        document-start
// @namespace https://greasyfork.org/users/48078
// ==/UserScript==

var channels = ['Hat Films', 'YOGSCAST Lewis & Simon'];

var acronyms = ['GTA', 'TTT'];

function transformTitle (title) {
    var splitTitle = /(.*?)(\((.*)\))?$/.exec(title.trim());
    var gameName = splitTitle[3];
    var videoName = splitTitle[1];
    var newName = ((gameName ? gameName.trim() + " - "  : "") + videoName.trim()).toLowerCase();
    acronyms.forEach(function(a) {
        newName = newName.replace(a.toLowerCase(), a.toUpperCase());
    });
    return newName;
}

var observer = new MutationObserver(parsePage);

function onPageLoad () {
    setupObservers();
    parsePage();
}

function setupObservers () {
    observer.disconnect();
    var elsToObserve = ['.section-list', '.branded-page-v2-body', '.channels-browse-content-grid', '#pl-load-more-destination', '#watch-more-related'];
    var el;
    elsToObserve.forEach(function(elName) {
        if ((el = document.querySelector(elName)) !== null) {
            observer.observe(el, {childList:true});
        }
    });
}

function parsePage () {
    var titleEls = [];

    var pageChannelNameEl = document.querySelector('.branded-page-header-title-link');

    function parseDOMList (opts) {
        var listSelector = opts.list || null;
        var nameSelector = opts.name || null;
        var titleSelector = opts.title || null;
        var videos = document.querySelectorAll(listSelector);
        for (var i = 0; i < videos.length; i++) {
            var currentVideoEl = videos[i];
            var currentNameEl = currentVideoEl.querySelector(nameSelector);
            var channelName = (currentNameEl !== null ? currentNameEl.textContent : null) || (pageChannelNameEl !== null ? pageChannelNameEl.text : null) || null;
            if (channelName === null) {
                continue;
            }
            if (channels.includes(channelName)) {
                titleEls.push(currentVideoEl.querySelector(titleSelector));
            }
        }
    }

    parseDOMList({
        list:'.yt-lockup-content',
        name:'.yt-lockup-byline>a',
        title:'.yt-lockup-title>a'
    });

    parseDOMList({
        list:'.lohp-media-object-content',
        name:'.content-uploader>a',
        title:'.lohp-video-link'
    });

    parseDOMList({
        list:'.pl-video',
        name:'.pl-video-owner>a',
        title:'.pl-video-title>a'
    });

    parseDOMList({
        list:'.video-list-item',
        name:'.g-hovercard',
        title:'.title'
    });

    parseDOMList({
        list:'.playlist-video',
        name:'.video-uploader-byline>span',
        title:'h4'
    });

    parseDOMList({
        list:'.video-detail',
        title:'h3>a'
    });

    parseDOMList({
        list:'.lohp-large-shelf-container',
        name:'.content-uploader>a',
        title:'.lohp-video-link'
    });

    for (i = 0; i < titleEls.length; i++) {
        var titleEl = titleEls[i];
        if (titleEl.getAttribute("data-parsed" === "true")) {
            continue;
        }
        titleEl.style.textTransform = 'capitalize';
        titleEl.setAttribute("data-parsed", true);
        titleEl.textContent = transformTitle(titleEl.textContent);
    }
}

(function() {
    'use strict';
    document.addEventListener('spfdone', onPageLoad);
    window.addEventListener('DOMContentLoaded', onPageLoad);
})();