Examine source code of Twitch Lurker

{
  "name": "Twitch Lurker",
  "description": "Always support your favorite streamer by automatically pulling up their stream when they go live.",
  "version": "3.0.9",
  "manifest_version": 3,
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "src/ui/pages/popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{74674eef-80d9-4cd3-af95-72ee34c0f2b6}"
    }
  },
  "permissions": [
    "identity",
    "alarms",
    "scripting",
    "contextMenus",
    "notifications",
    "storage",
    "unlimitedStorage"
  ],
  "host_permissions": [
    "https://*.googleapis.com/*",
    "https://*.twitch.tv/*",
    "https://*.kick.com/*",
    "https://*.youtube.com/*"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    {
      "matches": [
        "https://*.twitch.tv/*"
      ],
      "resources": [
        "assets/chrome-utils-BARE95Rf.js",
        "assets/main.ts-dT7Fw3zc.js"
      ]
    }
  ]
}