Examine source code of X-Posed: Account Location & Device Info

{
  "manifest_version": 3,
  "name": "X-Posed: Account Location & Device Info",
  "version": "3.3.0",
  "description": "See where X users are located and what devices they use. Country flags & device icons next to every username. Optional geo-blocking.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "x-posed@xaitax.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteActivity"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.x.com/*",
    "*://*.twitter.com/*",
    "https://x-posed-cache.xaitax.workers.dev/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.x.com/*",
        "*://*.twitter.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles/content.css"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "page-script.js",
        "styles/content.css",
        "fonts/*.woff2"
      ],
      "matches": [
        "*://*.x.com/*",
        "*://*.twitter.com/*"
      ]
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "X-Posed"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  }
}