Lock Tab

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Lock Tab",
  "description": "Prevents a tab from being closed accidentally",
  "version": "1.2.1",
  "author": "gabrielmaldi",
  "homepage_url": "https://github.com/gabrielmaldi/chrome-lock-tab",
  "manifest_version": 3,
  "permissions": [
    "activeTab",
    "storage"
  ],
  "icons": {
    "128": "images/unlocked-light.png"
  },
  "background": {
    "service_worker": "src/background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/script.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {},
  "options_page": "src/options.html"
}