manifest.json

{
  "manifest_version": 3,
  "name": "Libby Audiobook Exporter",
  "version": "2.4",
  "description": "A browser extension which can save Libby audiobooks to your local drive.",
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "background": {
    "service_worker": "scripts/service-worker.js",
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "scripts/content.js"
      ],
      "matches": [
        "*://*.libbyapp.com/open/loan/*"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Libby Audiobook Exporter"
  },
  "permissions": [
    "downloads",
    "activeTab",
    "storage"
  ],
  "host_permissions": [
    "*://*.libbyapp.com/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "scripts/common.js"
      ],
      "matches": [
        "*://libbyapp.com/*"
      ]
    }
  ],
  "homepage_url": "https://github.com/houtianze/libby-audiobook-exporter-browser-extension"
}