Unseen Message

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Unseen Message",
  "author": "alexstack.dev",
  "version": "1.0.4",
  "manifest_version": 3,
  "description": "Blocking sending \"seen\"(Unseen message) and typing features in Facebook/Messenger",
  "icons": {
    "48": "src/images/48.png",
    "128": "src/images/128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.facebook.com/*",
    "https://www.messenger.com/*"
  ],
  "background": {
    "service_worker": "src/scripts/service_worker.js"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.facebook.com/*",
        "https://www.messenger.com/*"
      ],
      "js": [
        "src/inject/inject_worker.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "src/html/popup.html",
    "default_icon": "src/images/48.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "src/inject/injectws.js"
      ],
      "matches": [
        "https://www.facebook.com/*",
        "https://www.messenger.com/*"
      ]
    }
  ],
  "homepage_url": "https://facebook.com/alexstack.dev"
}