Examine source code of Barcode Scanner Search

{
  "manifest_version": 3,
  "name": "Barcode Scanner Search",
  "version": "1.0.1",
  "description": "Scannerizza i codici a barre, rimuove gli spazi superflui e li cerca automaticamente nella pagina",
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Barcode Scanner Search",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "barcode-scanner@lawrencedaniello.dev",
      "strict_min_version": "109.0"
    }
  }
}