Automatically likes videos of channels you're subscribed to
Version vom
// ==UserScript==
// @name YouTube Auto-Liker
// @name:zh YouTube自動點讚
// @name:ja YouTubeのような自動
// @namespace https://github.com/HatScripts/youtube-auto-liker
// @version 1.3.3
// @description Automatically likes videos of channels you're subscribed to
// @description:zh 對您訂閲的頻道視頻自動點讚
// @description:ja 購読しているチャンネルの動画が自動的に好きです
// @description:ru Автоматически нравится видео каналов, на которые вы подписаны
// @description:es Le gustan automáticamente los videos de los canales a los que está suscrito
// @description:pt Gosta automaticamente de vídeos de canais nos quais você está inscrito
// @author HatScripts
// @license MIT
// @icon https://raw.githubusercontent.com/HatScripts/youtube-auto-liker/master/logo.svg
// @match http://*.youtube.com/*
// @match https://*.youtube.com/*
// @run-at document-idle
// @noframes
// ==/UserScript==
/* global GM_info */
(() => {
'use strict'
function Debugger (name, enabled) {
this.debug = {}
if (!window.console) {
return () => {}
}
for (let m in console) {
if (typeof console[m] === 'function') {
if (enabled) {
this.debug[m] = console[m].bind(window.console, name + ': ')
} else {
this.debug[m] = () => {}
}
}
}
return this.debug
}
const DEBUG_ENABLED = GM_info.script.version === 'DEV_VERSION'
const DEBUG = new Debugger(GM_info.script.name, DEBUG_ENABLED)
const OPTIONS = {
CHECK_FREQUENCY: 5000,
WATCH_THRESHOLD: 0.5,
HIDE_LIKE_NOTIFICATION: false,
LIKE_IF_NOT_SUBSCRIBED: false,
}
const SELECTORS = {
PLAYER: '#movie_player',
SUBSCRIBE_BUTTON: '#subscribe-button > ytd-subscribe-button-renderer > tp-yt-paper-button',
LIKE_BUTTON: 'ytd-video-primary-info-renderer #top-level-buttons-computed > ytd-toggle-button-renderer:nth-child(1)',
NOTIFICATION: 'ytd-popup-container',
}
const LIKE_BUTTON_CLICKED_CLASS = 'style-default-active'
let autoLikedVideoIds = []
setTimeout(wait, OPTIONS.CHECK_FREQUENCY)
function getVideoId () {
let elem = document.querySelector('#page-manager > ytd-watch-flexy')
if (elem && elem.hasAttribute('video-id')) {
return elem.getAttribute('video-id')
} else {
return new URLSearchParams(window.location.search).get('v')
}
}
function watchThresholdReached () {
let player = document.querySelector(SELECTORS.PLAYER)
if (player) {
return player.getCurrentTime() / player.getDuration() >= OPTIONS.WATCH_THRESHOLD
}
return true
}
function isSubscribed () {
DEBUG.info('Checking whether subscribed...')
let subscribeButton = document.querySelector(SELECTORS.SUBSCRIBE_BUTTON)
if (!subscribeButton) {
throw Error('Couldn\'t find sub button')
}
let subscribed = subscribeButton.hasAttribute('subscribed')
DEBUG.info(subscribed ? 'We are subscribed' : 'We are not subscribed')
return subscribed
}
function wait () {
if (watchThresholdReached()) {
try {
if (OPTIONS.LIKE_IF_NOT_SUBSCRIBED || isSubscribed()) {
like()
}
} catch (e) {
DEBUG.info(`Failed to like video: ${e}. Will try again in ${OPTIONS.CHECK_FREQUENCY} ms...`)
}
}
setTimeout(wait, OPTIONS.CHECK_FREQUENCY)
}
function hideLikeNotification () {
DEBUG.info('Trying to hide notification...')
let notification = document.querySelector(SELECTORS.NOTIFICATION)
if (notification) {
DEBUG.info('Found notification. Hiding it...')
notification.style.display = 'none'
setTimeout(() => {
DEBUG.info('Un-hiding notification')
notification.style.removeProperty('display')
}, 5000)
} else {
DEBUG.info('Couldn\'t find notification')
}
}
function like () {
DEBUG.info('Trying to like video...')
let likeButton = document.querySelector(SELECTORS.LIKE_BUTTON)
if (!likeButton) {
throw Error('Couldn\'t find like button')
}
let videoId = getVideoId()
if (likeButton.classList.contains(LIKE_BUTTON_CLICKED_CLASS)) {
DEBUG.info('Like button has already been clicked')
autoLikedVideoIds.push(videoId)
} else if (autoLikedVideoIds.includes(videoId)) {
DEBUG.info('Video has already been auto-liked. User must ' +
'have un-liked it, so we won\'t like it again')
} else {
DEBUG.info('Found like button')
if (OPTIONS.HIDE_LIKE_NOTIFICATION) {
hideLikeNotification()
}
DEBUG.info('It\'s unclicked. Clicking it...')
likeButton.click()
autoLikedVideoIds.push(videoId)
DEBUG.info('Successfully liked video')
}
}
})()