Twitch Clip Downloader

Quick and easy way to download Twitch Clips.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Twitch Clip Downloader
// @description  Quick and easy way to download Twitch Clips.
// @version      1.2
// @author       yungsamd17
// @namespace    https://github.com/yungsamd17/UserScripts
// @license      MIT License
// @icon         https://raw.githubusercontent.com/yungsamd17/UserScripts/main/scripts/icons/Twitch-Clip-Downloader.png
// @match        https://www.twitch.tv/*
// @match        https://clips.twitch.tv/*
// @grant        GM_download
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';

    // create the button
    function createButton() {
        const targetClass = '[class*="Layout-sc-1xcs6mc-0"][class*="player-controls__right-control-group"]';
        const targetElement = document.querySelector(targetClass);
        if (!targetElement) {
            // if target element is not found, remove any existing button
            removeButton();
            return;
        }
        // check if we are on a clip page
        const isClipPage = window.location.href.includes('/clip/') || window.location.href.includes('clips.twitch.tv');
        if (!isClipPage) {
            removeButton();
            return;
        }
        // check if the button already exists
        const existingButton = document.querySelector('.twitchdownload-button');
        if (existingButton) {
            return;
        }

        // button CSS style
        const customStyles = `
            .twitchdownload-button {
                background-color: #9147ff;
                border: none;
                border-radius: 0.4rem;
                margin-right: 6px;
                padding: 5px 2px 5px 2px;
                cursor: pointer;
                width: auto;
                height: 30px;
                display: inline-block;
                align-items: center;
            }
            .twitchdownload-button:hover {
                background-color: #772ce8;
            }
            .twitchdownload-button:active {
                background-color: #5c16c5;
            }
            .twitchdownload-button:focus {
                background-color: #5c16c5;
            }
            .button-text {
                color: white;
                margin: 0 6px 0 6px;
                font-weight: bold;
            }
        `;

        const styleElement = document.createElement('style');
        styleElement.textContent = customStyles;
        document.head.appendChild(styleElement);

        // create the button and insert it
        const divWrapper = document.createElement('div');
        divWrapper.className = 'twitch-clip-downloader-userscript';
        const button = document.createElement('button');
        const buttonText = document.createElement('span');
        buttonText.textContent = 'Download'; // button Text
        button.className = 'twitchdownload-button';
        // button click event listener
        button.addEventListener('click', downloadClip);
        buttonText.className = 'button-text';
        button.appendChild(buttonText);
        divWrapper.appendChild(button);
        // insert the div wrapper before the last child
        targetElement.insertBefore(divWrapper, targetElement.firstChild);
    }

    // function to remove the button
    function removeButton() {
        const existingButton = document.querySelector('.twitchdownload-button');
        if (existingButton) {
            existingButton.remove();
        }
    }

    // function to download Twitch clip
    function downloadClip() {
        const videoElement = document.querySelector('video');
        if (videoElement) {
            const videoURL = videoElement.src;
            const downloadLink = document.createElement('a');
            downloadLink.href = videoURL;
            downloadLink.click();
        }
    }

    // MutationObserver to watch for DOM changes
    const observer = new MutationObserver(createButton);
    const observerOptions = {
        childList: true,
        subtree: true,
    };
    observer.observe(document.body, observerOptions);

    createButton();
})();