VSIX download button

A simple user script to show vsix download button from vs-code extension marketplace. It will allow to download a file with .vsix

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

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

Tendrás que instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Tendrás que instalar una extensión como Tampermonkey antes de poder instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         VSIX download button
// @namespace    http://tampermonkey.net/
// @version      2025-02-05
// @description  A simple user script to show vsix download button from vs-code extension marketplace. It will allow to download a file with .vsix
// @author       dnh2025
// @icon         https://www.google.com/s2/favicons?sz=64&domain=githubusercontent.com
// @match        https://marketplace.visualstudio.com/*
// @grant        none
// @sources      https://github.com/mjmirza/Download-VSIX-From-Visual-Studio-Market-Place/blob/main/downloadVSIX-V2.js
// @license      MIT
// ==/UserScript==

(function () {
    'use strict';
    /***
    // First Script: Extracts extension data and creates a download button
    ***/
    // Object to store extension data (version, publisher, identifier)
    const extensionData = {
        version: "",
        publisher: "",
        identifier: "",
        // Function to get the download URL for the VSIX file
        getDownloadUrl: function () {
            return `https://${this.identifier.split(".")[0]}.gallery.vsassets.io/_apis/public/gallery/publisher/${this.identifier.split(".")[0]}/extension/${this.identifier.split(".")[1]}/${this.version}/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage`;
        },
        // Function to get the filename for the downloaded VSIX file
        getFileName: function () {
            return `${this.identifier}_${this.version}.vsix`;
        },
        // Function to create the download button element
        getDownloadButton: function () {
            const button = document.createElement("a");
            button.className = 'vsix-download-button';
            button.innerHTML = "Download VSIX";
            button.style.fontFamily = "wf_segoe-ui,Helvetica Neue,Helvetica,Arial,Verdana";
            button.style.display = "inline-block";
            button.style.padding = "10px 20px"; // Increased padding for a bigger button
            button.style.background = "darkgreen";
            button.style.color = "white";
            button.style.fontWeight = "bold";
            button.style.fontSize = "16px"; // Increased font size
            button.style.margin = "2px 5px";
            button.style.textDecoration = "none"; // Remove default link underline

            // Store the download URL and filename in data attributes
            button.setAttribute("data-download-url", this.getDownloadUrl());
            button.setAttribute("data-download-filename", this.getFileName());

            // Event handler for when the button is clicked
            button.onclick = function (event) {
                
                const downloadUrl = event.target.getAttribute("data-download-url");
                const downloadFilename = event.target.getAttribute("data-download-filename");

                /**
                 * This will not correct filename on chrome (edge)
                 */
                // // Create a temporary link element
                // const link = document.createElement("a");
                // link.href = downloadUrl;
                // link.download = downloadFilename;

                // // Trigger the download
                // link.click();



                //force filename with xhr blob
                window.URL = window.URL || window.webkitURL;

                let xhr = new XMLHttpRequest(),
                    a = document.createElement('a'), file;

                xhr.open('GET', downloadUrl, true);
                xhr.responseType = 'blob';
                xhr.onload = function () {
                    file = new Blob([xhr.response], { type: 'application/octet-stream' });
                    a.href = window.URL.createObjectURL(file);
                    a.download = downloadFilename;  // Set to whatever file name you want
                    // Now just click the link you created
                    // Note that you may have to append the a element to the body somewhere
                    // for this to work in Firefox
                    a.click();
                };
                xhr.send();
            };

            return button;
        }
    };

    const start = async () => {
        // Map to associate metadata table headers with extension data keys
        const metadataMap = {
            version: "version",
            publisher: "publisher",
            "unique-identifier": "identifier"
        };

        // Select all rows in the metadata table
        let metadataValues = document.querySelectorAll(".ux-table-metadata tr td[role='definition']");
        if (metadataValues.length === 0) { setTimeout(start, 500); return; }

        // Iterate through each row to extract extension data
        for (let i = 0; i < metadataValues.length; i++) {
            const cell = metadataValues[i];
            if (cell.getAttribute("aria-labelledby")) {
                const key = cell.getAttribute("aria-labelledby").trim();
                const value = cell.innerText.trim();
                if (metadataMap.hasOwnProperty(key)) {
                    extensionData[metadataMap[key]] = value;
                }
            }
        }

        // Find the element with the class ".ux-oneclick-install-button-container"
        const oneclickInstallButtonContainer = document.querySelector(".ux-oneclick-install-button-container");
        if (oneclickInstallButtonContainer) {
            // Append the download button to the parent element
            oneclickInstallButtonContainer.appendChild(extensionData.getDownloadButton());

            //có thể sẽ bị block bởi ads-blocker
            //thêm 1 setTimeout kiểm tra 1 lần sau 1s
            const checkLast = () => {
                if (!document.querySelector('.vsix-download-button')) {
                    setTimeout(checkLast, 1000);
                    document.querySelector(".ux-oneclick-install-button-container")?.appendChild(extensionData.getDownloadButton());
                };
            }
            setTimeout(checkLast, 1000);

        } else {
            console.error("Element with class 'ux-oneclick-install-button-container' not found.");
        }
    }
    start();
})();