Examine source code of Compactify

{
  "manifest_version": 2,
  "name": "Compactify",
  "version": "1.5",
  "description": "Make links to reddit in a compact reddit tab redirect to the compact site.",
  "homepage_url": "https://github.com/dburggie/compactify",
  "icons": {
    "32": "icons/compactify-32.png",
    "48": "icons/compactify-48.png",
    "64": "icons/compactify-64.png",
    "96": "icons/compactify-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*.compact*"
      ],
      "js": [
        "compactify.js"
      ]
    }
  ]
}