Copies a short URL for the current page to the clipboard, using ShortBlox by @railworks2

LICENSE

Copyright 2020 csqrl (ClockworkSquirrel)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

shortblox.user.js

// ==UserScript==
// @name         ShortBlox - URL Shortener
// @namespace    csqrl.railworks2.shortblox
// @version      0.0.4
// @license      MIT
// @description  Copies a short URL for the current page to the clipboard, using ShortBlox by railworks2
// @author       csqrl
// @match        https://devforum.roblox.com/*
// @match        https://web.roblox.com/*
// @match        https://www.roblox.com/*
// @homepage     https://devforum.link/779370
// @source       https://gist.github.com/cxmeel/24860e710bb33d2d614d631a4978540b
// @updateURL    https://gist.githubusercontent.com/cxmeel/24860e710bb33d2d614d631a4978540b/raw/shortblox.user.js
// @downloadURL  https://gist.githubusercontent.com/cxmeel/24860e710bb33d2d614d631a4978540b/raw/shortblox.user.js
// @supportURL   https://gist.github.com/cxmeel/24860e710bb33d2d614d631a4978540b#file-shortblox-user-js
// @iconURL      https://devforum.roblox.com/favicon/proxied
// @run-at       document-body
// @grant        GM_setClipboard
// @grant        GM_notification
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_registerMenuCommand
// @grant        GM_openInTab
// ==/UserScript==

const Enum = {
    Site: {
        Unknown: 0,
        Roblox: 100,
        DevForum: 200,
    },
    ContentType: {
        Unknown: 0,
        Game: 100,
        Profile: 200,
        Catalogue: 300,
        Group: 400,
        Library: 500,
        DevForumPost: 600,
        DevForumHome: 700,
    },
    DataKeys: {
        CopyProfileByUsername: "CopyProfileByUsername",
    },
}

Enum.ShortBlox = {
    [Enum.ContentType.Game]: "rblx.games",
    [Enum.ContentType.Profile]: "rblx.name",
    [Enum.ContentType.Catalogue]: "rblx.clothing",
    [Enum.ContentType.Group]: "rblx.social",
    [Enum.ContentType.Library]: "rblx.media",
    [Enum.ContentType.DevForumPost]: "devforum.link",
    [Enum.ContentType.DevForumHome]: "devforum.link",

    ProfileAsUsername: "user.rblx.name",
}

Enum.IdPosition = {
    [Enum.ContentType.Game]: 2,
    [Enum.ContentType.Profile]: 2,
    [Enum.ContentType.Catalogue]: 2,
    [Enum.ContentType.Group]: 2,
    [Enum.ContentType.Library]: 2,
    [Enum.ContentType.DevForumPost]: 3,
    [Enum.ContentType.DevForumHome]: 0,
}

function awaitElement(selector, parent = document) {
    return new Promise((resolve, reject) => {
        const ELEMENT = parent.querySelector(selector)
        if (ELEMENT) resolve(ELEMENT)

        let resolved = false
        const observer = new MutationObserver(mutations => {
            mutations.forEach(mutation => {
                for (var node of Array.from(mutation.addedNodes)) {
                    if (node.matches && node.matches(selector)) {
                        observer.disconnect()
                        resolved = true

                        resolve(node)
                    }
                }
            })
        })

        observer.observe(parent, { childList: true, subtree: true })

        setTimeout(() => {
            if (resolved == false) {
                reject()
            }
        }, 10000)
    })
}

function getPageType(hostname = location.hostname) {
    return (hostname === "devforum.roblox.com")
        ? Enum.Site.DevForum
        : Enum.Site.Roblox
}

function getContentType(pathname = location.pathname) {
    const pageType = getPageType()

    if (pageType === Enum.Site.DevForum) {
        return pathname === "/"
            ? Enum.ContentType.DevForumHome
            : pathname.startsWith("/t/")
                ? Enum.ContentType.DevForumPost
                : Enum.ContentType.Unknown
    } else {
        const category = pathname.split("/")[1]

        switch (category) {
            case "library":
                return Enum.ContentType.Library
            case "groups":
                return Enum.ContentType.Group
            case "catalog":
                return Enum.ContentType.Catalogue
            case "users":
                return Enum.ContentType.Profile
            case "games":
                return Enum.ContentType.Game
            default:
                return Enum.ContentType.Unknown
        }
    }
}

function makeURL(url = location.href) {
    const location = new URL(url)
    const contentType = getContentType(location.pathname)
    const path = location.pathname.split("/")

    if (contentType === Enum.ContentType.DevForumPost) {
        const idPosition = Enum.IdPosition[contentType]
        const filteredPath = path.filter((_, idx) => idx >= idPosition).join("/")

        return `${Enum.ShortBlox[contentType]}/${filteredPath}`
    } else if (contentType === Enum.ContentType.Profile) {
        const useUsernames = GM_getValue(Enum.DataKeys.CopyProfileByUsername, false)
        const metaDescription = document.querySelector("meta[name='description']")

        if (useUsernames && metaDescription) {
            const usernameText = metaDescription.getAttribute("content")
            const username = usernameText.substr(0, usernameText.indexOf(" ")).trim()

            if (username.length) {
                return `${Enum.ShortBlox.ProfileAsUsername}/${username}`
            }
        }
    }

    const pathId = path[Enum.IdPosition[contentType]] || ""
    return `${Enum.ShortBlox[contentType]}/${pathId}`
}

function copyShortURLToClipboard(shortURL = makeURL()) {
    GM_setClipboard(shortURL, "text")

    GM_notification({
        text: `${shortURL}`,
        title: "Copied to Clipboard!",
        silent: true,
        timeout: 6e3,
        onClick: () => {
            GM_openInTab(`https://${shortURL}`, {
                active: true,
                insert: true,
                setParent: true,
            })
        }
    })
}

function buildRobloxShortener() {
    const shortURL = makeURL()

    awaitElement("#container-main .content")
        .then(content => {
            const container = document.createElement("div")
            const copyButton = document.createElement("button")

            container.setAttribute("style", "display: flex; width: 100%; margin-bottom: 1rem; align-items: center; column-gap: 1rem;")
            container.innerHTML = `
                <label class="text-label">Share</label>
                <input class="form-control input-field" value="${shortURL}" readonly style="cursor: text;">
            `

            copyButton.classList.add("btn-growth-md")
            copyButton.classList.add("btn-primary-md")
            copyButton.textContent = "Copy"

            copyButton.addEventListener("click", () => copyShortURLToClipboard(shortURL))

            container.append(copyButton)
            content.prepend(container)
        })
}

function buildDevForumShortener(focusTarget) {
    if (!focusTarget.matches("#share-link input[type='text']")) {
        return
    }

    const textInput = focusTarget
    if (textInput.getAttribute("data-csqrl")) {
        return
    }

    awaitElement("head")
        .then(head => {
            if (head.querySelector("link[data-csqrl]")) {
                return
            }

            const faLink = document.createElement("link")
            faLink.setAttribute("rel", "stylesheet")
            faLink.setAttribute("href", "https://use.fontawesome.com/releases/v5.14.0/css/fontawesome.css")

            const faSolidLink = document.createElement("link")
            faSolidLink.setAttribute("rel", "stylesheet")
            faSolidLink.setAttribute("href", "https://use.fontawesome.com/releases/v5.14.0/css/solid.css")
            faSolidLink.setAttribute("data-csqrl", true)

            head.append(faLink)
            head.append(faSolidLink)
        })

    function onTextInputFocused() {
        const inputText = textInput.value
        const inputURL = new URL(inputText)

        if (inputURL.hostname !== "devforum.roblox.com") {
            return
        }

        const shortURL = makeURL(inputText)
        textInput.value = `https://${shortURL}`

        textInput.select()
    }

    const copyButton = document.createElement("a")
    copyButton.setAttribute("title", "Copy to Clipboard")
    copyButton.setAttribute("aria-label", "Copy to Clipboard")
    copyButton.setAttribute("style", "position: absolute; right: 0; top: 50%; height: 32px; width: 32px; display: flex; align-items: center; justify-content: center; transform: translateY(-50%); cursor: pointer; color: inherit;")
    copyButton.innerHTML = `<i class="fas fa-clipboard"></i>`

    copyButton.addEventListener("click", evt => {
        evt.preventDefault()
        copyShortURLToClipboard(textInput.value)
        textInput.select()
    })

    textInput.parentNode.append(copyButton)
    textInput.parentNode.style.position = "relative"
    textInput.setAttribute("data-csqrl", true)
    textInput.addEventListener("focus", () => onTextInputFocused())

    onTextInputFocused()
}

(async () => {
    const siteType = getPageType()

    if (siteType === Enum.Site.DevForum) {
        document.addEventListener("focusin", evt => {
            buildDevForumShortener(evt.target)
        })
    } else {
        if (getContentType() === Enum.ContentType.Unknown) {
            return
        }

        buildRobloxShortener()
    }
})()

try {
    GM_registerMenuCommand("Copy Profiles by Username", () => {
        const doLink = !GM_getValue(Enum.DataKeys.CopyProfileByUsername, false)
        const isProfile = getContentType() === Enum.ContentType.Profile

        GM_setValue(Enum.DataKeys.CopyProfileByUsername, doLink)

        GM_notification({
            title: `Profile Links: ${doLink ? "Usernames" : "User IDs"}`,
            text: isProfile ? "Reload to apply changes." : `Profile links will be generated using ${doLink ? "usernames" : "user IDs"}`,
            silent: true,
            timeout: 6e3,
            onclick: () => window.location.reload(),
        })
    })
} catch (_) {}