This script automates the process of skipping videos on Udemy
// ==UserScript==
// @name Udemy Skip Video
// @namespace http://tampermonkey.net/
// @version 0.1.6
// @description This script automates the process of skipping videos on Udemy
// @author entyd1004
// @match https://*.udemy.com/course/*
// @icon https://frontends.udemycdn.com/frontends-homepage/staticx/udemy/images/v8/favicon-32x32.png
// @grant none
// @license MIT
// ==/UserScript==
function skipToLast5Second() {
const video = document.querySelector("video");
if (video) {
video.currentTime = video.duration - 5;
}
}
async function skipAllVideos() {
const sections = document.querySelector('#ct-sidebar-scroll-container > div > div').childNodes;
for (const section of sections) {
await sectionCollapse(section, true)
const lessons = section.childNodes[2].childNodes[0].childNodes[0].childNodes
for (const lesson of lessons) {
if (lesson.querySelector('input').checked != true) {
const hasIconVideo = Array.from(lesson.querySelectorAll('svg > use')).some(use => use.getAttribute('xlink:href') === '#icon-video');
if (hasIconVideo) {
let lessonButton = lesson.querySelector('button[type="button"]')
lessonButton.click();
await new Promise(resolve => setTimeout(resolve, 5000));
skipToLast5Second();
await new Promise(resolve => setTimeout(resolve, 1000));
}
const hasIconArticle = Array.from(lesson.querySelectorAll('svg > use')).some(use => use.getAttribute('xlink:href') === '#icon-article');
if (hasIconArticle) {
let lessonButton = lesson.querySelector('button[type="button"]')
lessonButton.click();
await new Promise(resolve => setTimeout(resolve, 25000));
}
}
}
await sectionCollapse(section, false)
}
}
function awaitToElement(element) {
return new Promise((resolve) => {
let nIntervId = setInterval(() => {
const isReady = document.querySelectorAll(element).length != 0;
if (isReady) {
resolve();
clearInterval(nIntervId);
}
}, 100);
});
}
function sectionCollapse(section, action) {
return new Promise(async (resolve) => {
const sectionButtonCollapse = section.querySelector('button[type="button"]')
const isChecked = section.querySelector('span[data-checked]').getAttribute('data-checked') === 'checked'
if (isChecked != action) {
sectionButtonCollapse.click()
if (action) {
await awaitToElement('ul.ud-unstyled-list')
}
}
resolve()
});
}
async function actionSection(section, action) {
await sectionCollapse(section, true)
const lessons = section.childNodes[2].childNodes[0].childNodes[0].childNodes;
for (const lesson of lessons) {
if (lesson.querySelector('input').checked != action) {
const hasIconVideo = Array.from(lesson.querySelectorAll('svg > use')).some(use => use.getAttribute('xlink:href') === '#icon-video');
if (hasIconVideo) {
let lessonButton = lesson.querySelector('button[type="button"]')
lessonButton.click();
await new Promise(resolve => setTimeout(resolve, 5000));
skipToLast5Second();
await new Promise(resolve => setTimeout(resolve, 1000));
}
const hasIconArticle = Array.from(lesson.querySelectorAll('svg > use')).some(use => use.getAttribute('xlink:href') === '#icon-article');
if (hasIconArticle) {
let lessonButton = lesson.querySelector('button[type="button"]')
lessonButton.click();
await new Promise(resolve => setTimeout(resolve, 25000));
}
}
}
await sectionCollapse(section, false)
}
async function actionCourse(sections, action) {
for (const section of sections) {
await actionSection(section, action)
}
}
const isPageLoaded = async () => awaitToElement('div[data-purpose="curriculum-section-container"]');
async function main() {
await isPageLoaded();
const sections = document.querySelector('#ct-sidebar-scroll-container > div > div').childNodes;
const courseActions = document.querySelector('section[data-purpose="sidebar"]').childNodes[0];
let completeCourseBtn = document.createElement("div");
completeCourseBtn.tabIndex = 0;
completeCourseBtn.role = "button";
completeCourseBtn.className = "item-link ud-btn ud-btn-small ud-btn-primary ud-heading-sm";
completeCourseBtn.innerHTML = '<span>Complete</span>';
completeCourseBtn.onclick = () => skipToLast5Second();
courseActions.appendChild(completeCourseBtn);
let completeAllCourseBtn = document.createElement("div");
completeAllCourseBtn.tabIndex = 0;
completeAllCourseBtn.role = "button";
completeAllCourseBtn.className = "item-link ud-btn ud-btn-small ud-btn-primary ud-heading-sm";
completeAllCourseBtn.innerHTML = '<span>Complete All</span>';
completeAllCourseBtn.onclick = () => skipAllVideos();
courseActions.appendChild(completeAllCourseBtn);
for (const section of sections) {
let completeSectionBtn = document.createElement("div");
completeSectionBtn.tabIndex = 0
completeSectionBtn.role = "button"
completeSectionBtn.className = "item-link ud-btn ud-btn-small ud-btn-primary ud-heading-sm";
completeSectionBtn.innerHTML = '<span>Complete Section</span>'
completeSectionBtn.style.margin = '5px'
completeSectionBtn.onclick = () => { actionSection(section, true) }
section.appendChild(completeSectionBtn)
}
}
main();