Get Chrome extension source

get-chrome-extension.sh

#!/bin/sh

# Downloads a Chrome extensions source.
# @param {string} extension_id - the id in the url for the extension

if [[ $# == 0 ]]; then
  printf "Enter the ID of the extension: "
  read -r extension_id
else
  extension_id=$1
fi

extension_url="https://clients2.google.com/service/update2/crx?response=redirect&os=mac&arch=x86-64&nacl_arch=x86-64&prod=chromecrx&prodchannel=stable&prodversion=44.0.2403.130&x=id%3D$extension_id%26uc"

curl -L -o "$HOME/Downloads/$extension_id.zip" "$extension_url"

unzip -d "$HOME/Downloads/$extension_id-source" "$HOME/Downloads/$extension_id.zip"