Examine source code of URLSafe — URL Scanner

{
  "manifest_version": 3,
  "name": "URLSafe — URL Scanner",
  "short_name": "URLSafe",
  "version": "2.0.0",
  "description": "Scan URLs for phishing/malware using VirusTotal and urlscan.io",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "https://www.virustotal.com/*",
    "https://urlscan.io/*",
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "URLSafe Scanner",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentScript.js"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "urlsafe@example.com",
      "strict_min_version": "109.0"
    }
  }
}