Tampermonkey LeetCode Utils

TampermonkeyLeetCodeUtils.js

// ==UserScript==
// @name         LeetCode Utils
// @namespace    http://tampermonkey.net/
// @version      2025-02-11
// @description  try to take over the world!
// @author       You
// @match        https://leetcode.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=leetcode.com
// @grant        GM_openInTab
// @grant        GM_registerMenuCommand
// ==/UserScript==

(function() {
    'use strict';

    let ready = false

    window.addEventListener("load", function(e) {
        ready = true
    })

    function copyToClipboard(text) {
        navigator.clipboard.writeText(text)
    }

    GM_registerMenuCommand("Copy LeetCode Problem Description to Clipboard", function() {
        if (!ready) return alert("Page is still loading, wait a moment.")

        const titleLinkEl = document.querySelector("div.flex.items-start.gap-2 > div > a") || document.querySelector(".question-title")
        const descriptionEl = document.querySelector(`div[data-track-load=description_content]`) || document.querySelector(".question-description__3U1T")
        const problemDescription = descriptionEl.innerHTML
        const difficultyEl = document.querySelector(`div[class*='text-difficulty-']`)
        const difficulty = difficultyEl?.textContent?.toLowerCase() || "unspecified"

        const title = titleLinkEl.textContent

        console.log(`LeetCode Title: ${title}`)

        const url = ((url) => {
            url.search = ""
            return url.toString()
        })(new URL(window.location.toString()))

        const content = `---
title: ${title}
url: ${url}
extra:
  leetcode_difficulty: ${difficulty}
---
${problemDescription}
`
        copyToClipboard(content)
    })
})();