In Visual Studio Code: for adding a download link to download extension in .vsix format to install offiline

download-vsix-link

// ==UserScript==
// @name        get vsix
// @namespace   https://gist.github.com/Mido22
// @include     https://marketplace.visualstudio.com/items?itemName=*
// @version     0.0.1
// @grant       none
// ==/UserScript==


window.addEventListener('load', setDownloadLink)

function setDownloadLink () {

  let version = document.querySelector('.ux-table-metadata > tbody:nth-child(1) > tr:nth-child(1) > td:nth-child(2) > div:nth-child(1)').innerText
    , itemDetails = window.location.search.replace('?', '').split('&').filter(str => !str.indexOf('itemName')).map(str => str.split('=')[1])[0]
  
  if (!itemDetails) return;

  let [author, extension] = itemDetails.split('.')
    , lAuthor = author.toLowerCase()
    , href = `https://${lAuthor}.gallery.vsassets.io:443/_apis/public/gallery/publisher/${author}/extension/${extension}/${version}/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage`
    , element = document.createElement('a')

    
  element.href = href
  element.className = 'vscode-moreinformation dark'
  element.innerHTML = 'download .vsix file'
  element.download  = `${extension}.${version}.vsix`
  document.querySelector('.vscode-install-info-container').appendChild(element)
}