Examine source code of YouTubeGrab - Download Video, Audio, Transcript

{
  "manifest_version": 3,
  "name": "YTGrab — Transcript & Media for YouTube",
  "short_name": "YTGrab",
  "description": "YTGrab — a YouTube toolbar companion. Read transcripts, save thumbnails, share to youtubegrab.com, and grab media.",
  "version": "1.2.0",
  "action": {
    "default_title": "Open YTGrab",
    "default_popup": "src/popup/index.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+G",
        "mac": "Command+Shift+G"
      },
      "description": "Open YTGrab for the current tab"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "type": "module",
    "scripts": [
      "service-worker-loader.js"
    ]
  },
  "permissions": [
    "tabs",
    "storage",
    "contextMenus",
    "downloads"
  ],
  "host_permissions": [
    "https://youtubegrab.com/*",
    "https://analytics.biji.uk/*",
    "https://errors.biji.uk/*"
  ],
  "content_scripts": [
    {
      "js": [
        "assets/web-sync.ts-loader-BZ8F2ULU.js"
      ],
      "matches": [
        "https://youtubegrab.com/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ytgrab@youtubegrab.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "https://youtubegrab.com/*"
      ],
      "resources": [
        "assets/recents-A9lX3s7o.js",
        "assets/recents-A9lX3s7o.js.map",
        "assets/web-sync.ts-CS2_nAdF.js",
        "assets/web-sync.ts-CS2_nAdF.js.map"
      ],
      "use_dynamic_url": false
    }
  ]
}