youtube_like_after_30_seconds

youtube_like_after_30_seconds.userscript.js

// ==UserScript==
// @name         youtube_like_after_30_seconds
// @namespace    http://tampermonkey.net/
// @version      1.0.0
// @description  like videos after 30 seconds
// @author       github.com/insanj
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant        none
// @match       *://*.youtube.com/*
// @run-at       document-load
// @noframes
// ==/UserScript==

(function() {
  'use strict';
  const uuid = window.crypto.randomUUID();
  const log = (msg, ...objs) => objs ? console.info(`[youtube_like_after_thirty] <${uuid}> ${msg}`, objs) : console.info(`[youtube_like_after_thirty] ${msg}`);

  var likeAfterThiry_threshold = 30; // in seconds
  var likeAfterThiry_duration = 10; // in seconds
  let likeAfterThirtyRuntime;
  likeAfterThirtyRuntime = () => {
     const nothingToDoUntilNextTime = () => {
       setTimeout(() => {
         likeAfterThirtyRuntime();
       }, likeAfterThiry_duration * 1000);
     };
     log('runtime loop, i am alive :D', new Date());
     const video = document.querySelector("video");
     if (!video) {
       nothingToDoUntilNextTime();
       log('we may be broken; could not find video');
       return; // no currently playing videos
     }
     const likeButton = document.querySelector("like-button-view-model button");
     if (!likeButton) {
       nothingToDoUntilNextTime();
       log('we may be broken; could not find like button');
       return;
     }
     const isPressedAlready = likeButton.getAttribute("aria-pressed");
     if (isPressedAlready && isPressedAlready === "true") {
       nothingToDoUntilNextTime();
       return;
     }
     const srcToLike = video.currentSrc;
     // likeAfterThiry_currentSrc = srcToLike;
     if (video.currentTime >= likeAfterThiry_threshold) {
       likeButton.click();
       log(`autoliked video [currentTime ${video.currentTime}] [src ${srcToLike}]`);
       nothingToDoUntilNextTime();
     } else {
       const timeUntilLike = likeAfterThiry_threshold - video.currentTime;
       log(`scheduling autoliked video [timeUntilLike ${timeUntilLike}]`);
       setTimeout(() => {
        likeAfterThirtyRuntime();
       }, timeUntilLike * 1000);
     }
  };
  setTimeout(() => {
    likeAfterThirtyRuntime();
  }, 2500);
})();