Examine source code of X/Twitter Location Flags, Time & Blocker

{
  "manifest_version": 3,
  "name": "X/Twitter Location Flags, Time & Blocker",
  "version": "1.2.1",
  "description": "Adds country flags to X/Twitter usernames and lets you auto-hide posts from specific countries. Fast, private, and community-driven.",
  "permissions": [
    "activeTab",
    "storage",
    "tabs"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Twitter Location Flag",
    "default_icon": {
      "16": "icons/16.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "host_permissions": [
    "https://x.com/*",
    "https://twitter.com/*",
    "https://twitter-countries-api.tnemoroccan.workers.dev/*",
    "https://raw.githubusercontent.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://x.com/*",
        "https://twitter.com/*"
      ],
      "js": [
        "countryFlags.js",
        "content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://x.com/*",
        "https://twitter.com/*"
      ],
      "js": [
        "pageScript.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "pageScript.js"
      ],
      "matches": [
        "https://x.com/*",
        "https://twitter.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "twitter-flags@incconutwo.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}