Available on Game Pass

manifest.json

{
  "browser_specific_settings": {
    "gecko": {
      "id": "[email protected]"
    }
  },
  "name": "Available on Game Pass",
  "description": "Know if a game on Steam is also available on Game Pass displaying all platforms where you can play it",
  "version": "1.3",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "scripts/background.js"
    ],
    "persistent": false,
    "type": "module"
  },
  "permissions": [
    "storage",
    "alarms"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://store.steampowered.com/*"
      ],
      "css": [
        "css/styles.css"
      ],
      "js": [
        "scripts/index.js",
        "scripts/page.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "/images/icon-16.png",
    "32": "/images/icon-32.png",
    "48": "/images/icon-48.png",
    "128": "/images/icon-128.png"
  }
}