Examine source code of Giftibly | Gift Assistant

{
  "manifest_version": 2,
  "name": "Giftibly | Gift Assistant",
  "version": "1.1.301",
  "description": "Add gifts to your collection at Giftibly.com from nearly anywhere on the web.",
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "img/icon16.png",
      "48": "img/icon48.png",
      "128": "img/icon.png"
    },
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "scripts/eventPage.js"
    ],
    "persistent": false
  },
  "externally_connectable": {
    "matches": [
      "http://localhost:3000/*",
      "http://giftibly.com/*",
      "http://ec2-54-196-89-160.compute-1.amazonaws.com/*"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "vendor/jquery-3.2.1.min.js",
        "vendor/purify.min.js",
        "scripts/item.js",
        "scripts/ga-loggedin.js"
      ]
    }
  ],
  "permissions": [
    "tabs",
    "activeTab",
    "https://*/"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'"
}