TamperMonkey YouTube keyboard shortcuts

// ==UserScript==
// @name         YT Full Like Dislike Rewind
// @namespace    http://tampermonkey.net/
// @version      2025-02-23
// @description  try to take over the world!
// @author       You
// @match        https://www.youtube.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    document.addEventListener('keydown', function(event) {
        console.dir(event);
        var yts;
        if (event.altKey && event.key === ']') {
            //Like the ***currently visible*** YouTube Short
            //
            //Although I think YouTube no longer shows the previous and next video's Like/Dislike buttons off screen, they did previously exist.  The clientRect function makes sure we target the buttons for the video visible in the viewport.
            yts = [...document.querySelectorAll("ytd-toggle-button-renderer#like-button button")].filter(cv => cv.getBoundingClientRect().top > 0 & cv.getBoundingClientRect().top < window.innerHeight);
            if (yts.length > 0) {
                yts[0].click();
            }
            //Like regular YouTube video
            var ytr = [...document.querySelectorAll("like-button-view-model .yt-spec-touch-feedback-shape__fill")];
            if (ytr.length > 0) {
                ytr[0].click();
            }
        }
        if (event.altKey && event.key === '[') {
            //Dislike currently visible YouTube Short
            //
            //Although I think YouTube no longer shows the previous and next video's Like/Dislike buttons off screen, they did previously exist.  The clientRect function makes sure we target the buttons for the video visible in the viewport.
            yts = [...document.querySelectorAll("ytd-toggle-button-renderer#dislike-button button")].filter(cv => cv.getBoundingClientRect().top > 0 & cv.getBoundingClientRect().top < window.innerHeight);
            if (yts.length > 0) {
                //document.querySelector("dislike-button-view-model button").click();
                yts[0].click();
            }
            //Dislike regular YouTube video
            else {
                [...document.querySelectorAll("dislike-button-view-model .yt-spec-touch-feedback-shape__fill")][0].click();
            }
        }
        //Rewind 5 secs
        if (event.altKey && event.key === 'j') {
            Array.from(document.querySelectorAll("video")).filter(cv => cv.clientHeight > 0)[0].currentTime -= 5;
        }
        if (event.key == 'ArrowLeft' && document.location.pathname.split('/')[1] == "shorts") {
            Array.from(document.querySelectorAll("video")).filter(cv => cv.clientHeight > 0)[0].currentTime -= 5;
        }
        //FF 5 secs
        if (event.key == 'ArrowRight' && document.location.pathname.split('/')[1] == "shorts") {
            Array.from(document.querySelectorAll("video")).filter(cv => cv.clientHeight > 0)[0].currentTime += 5;
        }
        if (event.altKey && event.key === 'l') {
            Array.from(document.querySelectorAll("video")).filter(cv => cv.clientHeight > 0)[0].currentTime += 5;
        }
        //Rewind or Skip 1 second in Shorts  using the '<' and '>' keys (as long as you don't have the comments box open (so you can use puncuation in your comments without screwing up the video))
        if (event.key === ',' && [...document.querySelectorAll("ytd-engagement-panel-section-list-renderer")].filter(cv => cv.getBoundingClientRect().top > 0 & cv.getBoundingClientRect().top < window.innerHeight).length == 0) {
            Array.from(document.querySelectorAll("video")).filter(cv => cv.clientHeight > 0)[0].currentTime -= 1;
        }
        if (event.key === '.' && [...document.querySelectorAll("ytd-engagement-panel-section-list-renderer")].filter(cv => cv.getBoundingClientRect().top > 0 & cv.getBoundingClientRect().top < window.innerHeight).length == 0) {
            Array.from(document.querySelectorAll("video")).filter(cv => cv.clientHeight > 0)[0].currentTime += 1;
        }
        //Click menu button for currently visible Short
        //This gives you the ability to select menu items such as "Description", "Save to Playlist", toggle "Ambient Mode", toggle "Captions", etc.  You can use Arrow Up/Down or Tab to highlight the menu item and Space/Enter to click it.
        if (event.altKey && event.key === ';') {
             ([...document.querySelectorAll("#menu-button button")].filter(cv => cv.getBoundingClientRect().top > 0 & cv.getBoundingClientRect().top < window.innerHeight)[0] || document.querySelector("button[aria-label='More actions']")).click();
        }
        //Subscribe to current Short or Video
        //If it's a Video, it shows the menu that gives you the choice of All, Personalized, None, or Unsubscribe, rather than just performing the default "Subscribed" option that clicking the button does.
        if (event.altKey && event.key === 's') {
            (([...document.querySelectorAll("yt-subscribe-button-view-model button")].filter(cv => cv.getBoundingClientRect().top > 0 & cv.getBoundingClientRect().top < window.innerHeight))[0] || (document.evaluate("//span[text()='Subscribed']", document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null )).snapshotItem(0) ||
             (document.evaluate("//button/div/span[text()='Subscribed']", document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null )).snapshotItem(0)
            ).click();
        }
        //***Some*** YouTube Shorts have text on a seperate line, which is preceeded by a "▶".  Clicking that text takes you either to the FULL video that this Short is taken from ***OR*** to another Short from this author.  This clicks that link.
        if (event.altKey && event.key === 'w') {
            (document.querySelectorAll("yt-reel-multi-format-link-view-model a")[0]).click();
        }
        //Clicking on the text in the Short brings up the video description.  This keyboard shortcut does that.
        if (event.altKey && event.key === 'i') {
            (document.querySelectorAll("yt-shorts-video-title-view-model h2")[0]).click();
        }
        //Save non-Short video to playlist
        if (event.altKey && event.key === 'a') {
            document.querySelector("button[title='Save']").click();
        }
        //Click the X to close the playlist popup
        if (event.shiftKey && event.code == "KeyX") {
            document.querySelectorAll("yt-icon[icon='close']")[0].click();
        }
    });

    //Show blue background on tab-focused items.  Used for testing/debugging and checking that the script is running.
    //Array.from([...document.styleSheets].filter(cv => cv.href == document.querySelectorAll("style.global_styles")[0].previousSibling.href)[0].cssRules).filter(cv => cv.selectorText == ".yt-spec-button-shape-next--mono.yt-spec-button-shape-next--focused")[0].style.background = "blue";


    // Your code here...
})();