Telegram Desktop - Telegram Online Messenger

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Telegram Desktop - Telegram Online Messenger",
  "manifest_version": 3,
  "version": "1.0.8",
  "description": "Launching Telegram from your browser in a popup and get notifications when new messages received.",
  "default_locale": "en",
  "icons": {
    "128": "icons/128.png"
  },
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_icon": {
      "128": "icons/128.png"
    },
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "js": [
        "content-script.js"
      ],
      "matches": [
        "*://*.web.telegram.org/*"
      ],
      "run_at": "document_start"
    }
  ],
  "options_ui": {
    "open_in_tab": true,
    "page": "option.html"
  },
  "permissions": [
    "storage",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "*://*.web.telegram.org/*",
    "*://*.vesta.web.telegram.org/*"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ruleset_1",
        "enabled": true,
        "path": "rules/rule.json"
      }
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "content-script.js"
      ],
      "matches": [
        "https://*.web.telegram.org/*",
        "*://*.vesta.web.telegram.org/*"
      ]
    }
  ]
}