Examine source code of The Guardian

{
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "short_name": "TheGuardian",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "1.1.127",
  "icons": {
    "16": "ui/assets/images/logo-16.png",
    "32": "ui/assets/images/logo-32.png",
    "48": "ui/assets/images/logo-48.png",
    "64": "ui/assets/images/logo-64.png",
    "128": "ui/assets/images/logo-128.png",
    "256": "ui/assets/images/logo-256.png"
  },
  "background": {
    "scripts": [
      "js/gua_serviceworker.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "js/gua_scriptcontent.js"
      ],
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "ui/popup.html",
    "default_icon": {
      "16": "ui/assets/images/logo-16.png",
      "32": "ui/assets/images/logo-32.png",
      "48": "ui/assets/images/logo-48.png",
      "64": "ui/assets/images/logo-64.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "theGuardianDEVELOP@erreeffe.org",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "permissions": [
    "tabs",
    "scripting",
    "storage",
    "nativeMessaging",
    "declarativeNetRequest",
    "webRequest"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ads",
        "enabled": false,
        "path": "rules/ads.json"
      },
      {
        "id": "trk",
        "enabled": false,
        "path": "rules/trk.json"
      },
      {
        "id": "cookies",
        "enabled": false,
        "path": "rules/cookies.json"
      },
      {
        "id": "others",
        "enabled": false,
        "path": "rules/others.json"
      },
      {
        "id": "over",
        "enabled": false,
        "path": "rules/over.json"
      },
      {
        "id": "soc",
        "enabled": false,
        "path": "rules/soc.json"
      }
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "filters/css/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "assets/fonts/inter/*.ttf"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "resources/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}