educativeGrubPath.user.js

// ==UserScript==
// @name eductiveGrubPath
// @description Grub educative course
// @author Jem Jem
// @license MIT
// @version 1.0
// @include https://www.educative.io/path/*
// ==/UserScript==
(async function (window, undefined) {  // [2] нормализуем window

	function getModuleLinks() {
        const moduleBlocks = document.querySelectorAll(".major-second  div.flex.flex-col.w-full .h-full .border-transparent");
        for(let i = 0; i < moduleBlocks.length; i++) {
			if(!moduleBlocks[i].querySelector(".overflow-y-scroll")){
                let collapse = moduleBlocks[i].querySelector("div.cursor-pointer");
                if(collapse) {
                    collapse.click();
                }
            }
		}
		const links = document.querySelectorAll(".major-second .items-center .overflow-y-scroll.lg\\:hidden a:first-child");
		let result = [];
		for(let i = 0; i < links.length; i++) {
			let link = links[i].getAttribute('href');
			result.push(`https://www.educative.io${link}`);
		}
		return result;
	}

    function sleep(seconds) {
		return new Promise((res, rej) => {
			setTimeout(res, seconds * 1000);
		})
	}

    function saveDelimetrFile(data) {
		const fileName = 'Next Module.txt';
		let blob = new Blob([data],{ type: "text/plain;charset=utf-8" });
		let a = document.createElement("a");
		let url = window.URL.createObjectURL(blob);
		a.style = "display: none";
		a.href = url;
		a.download = fileName;
		document.body.appendChild(a);
		a.click();
	}

	async function grub() {
		let links = localStorage.getItem('modules-links');
		let hasFinished = localStorage.getItem('modules-saved');
		if(hasFinished === 'true') {
			return;
		}
		if(!links) {
			links = getModuleLinks();
		} else {
			links = JSON.parse(links);
		}
		const nextLink = links[0];
		localStorage.setItem('modules-links', JSON.stringify(links.slice(1)));
        saveDelimetrFile('123')
		window.location = nextLink;
	}

    await sleep(20);
    await grub();
})(window);