chrome .crx extension file download api

get-chrome-crx.js

/**
 * https://blog.httpwatch.com/2017/11/15/installing-a-chrome-extension-without-an-internet-connection/
 */
const args = process.argv

if (args.length !== 4) {
  console.error('usage: node get-chrome-crx.js chromeVersion extentionID')
} else {
  const chromeVersion = args[2] // chrome version (eg. 67)
  const extentionID = args[3] // extension id (from chrome store URL)
  const API = `https://clients2.google.com/service/update2/crx`
  const link = `${API}?response=redirect&prodversion=${chromeVersion}&x=id%3D${extentionID}%26uc`
  console.info(link)
}