Examine source code of Live Chat Emotes

{
  "manifest_version": 3,
  "name": "Live Chat Emotes",
  "description": "Renders 7TV emotes in YouTube live chat, with autocomplete and an emote picker.",
  "version": "1.0.0",
  "action": {
    "default_popup": "src/popup/index.html",
    "default_title": "Live Chat Emotes"
  },
  "icons": {
    "16": "src/assets/icons/icon-16.png",
    "32": "src/assets/icons/icon-32.png",
    "48": "src/assets/icons/icon-48.png",
    "128": "src/assets/icons/icon-128.png"
  },
  "background": {
    "type": "module",
    "scripts": [
      "service-worker-loader.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "assets/chat.ts-loader-OJDEe5as.js"
      ],
      "matches": [
        "https://www.youtube.com/live_chat*"
      ],
      "run_at": "document_end",
      "all_frames": true,
      "css": [
        "assets/chat-B2U9CYTz.css"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://7tv.io/*",
    "https://cdn.7tv.app/*"
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "resources": [
        "assets/storage-WrQ2oBGX.js",
        "assets/chat.ts-DmVWfhL3.js"
      ],
      "use_dynamic_url": false
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "live-chat-emotes@magpielabs.co",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}