adds vsix download liks to https://marketplace.visualstudio.com

download-links.js

const extensions = document.querySelectorAll('.carousel-item');
extensions.forEach(e => {
    const image = e.querySelector('img');
    if (image === null) return;

    addDownloadLink(image);
});

/**
 * @param image {HTMLImageElement}
 */
function addDownloadLink(image) {
    const downloadElement = createDownloadElementFromImage(image);
    
    image.parentNode.insertBefore(downloadElement, image.nextSibling);
}

/**
 * @param image {HTMLImageElement}
 */
function createDownloadElementFromImage(image) {
    const parts = image.src.split('/');

    const publisher = parts[4];
    const extensionName = parts[5];
    const version = parts[6];

    const downloadElement = document.createElement('a');
    downloadElement.innerText = 'download vsix'
    downloadElement.href = createDownloadLink(publisher, extensionName, version);
    downloadElement.target = '_blank';
    downloadElement.setAttribute('onclick',`console.log('${extensionName}.${publisher}.${version}.vsix')`);

    return downloadElement;
}

/**
 * @param publisher {string}
 * @param extensionName {string}
 * @param version {string}
 */
function createDownloadLink(publisher, extensionName, version) {
    return `https://${publisher}.gallery.vsassets.io/_apis/public/gallery/publisher/${publisher}/extension/${extensionName}/${version}/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage`;
}