Examine source code of OPFS Browser

{
  "manifest_version": 3,
  "name": "OPFS Browser",
  "description": "See your OPFS file system in the debug tools",
  "icons": {
    "32": "icon-32.png",
    "128": "icon-128.png"
  },
  "permissions": [
    "activeTab"
  ],
  "devtools_page": "src/pages/devtools/index.html",
  "content_scripts": [
    {
      "js": [
        "assets/content.js-loader.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "opfs-browser@keshuac.com"
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "icon-128.png",
        "icon-32.png",
        "src/pages/devtools/panel.html",
        "src/pages/devtools/panel.tsx",
        "assets/content.js-_PbZ0RKR.js"
      ]
    }
  ],
  "version": "1.0.3",
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  }
}