Examine source code of HLS & M3U8 Video Downloader - VidNeatDown

{
  "manifest_version": 3,
  "default_locale": "en",
  "name": "__MSG_appName__",
  "version": "3.4.1",
  "description": "__MSG_appDescription__",
  "browser_specific_settings": {
    "gecko": {
      "id": "vidneatdown@handancorp.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "webRequest",
    "storage",
    "downloads",
    "alarms",
    "activeTab",
    "tabs",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "background": {
    "scripts": [
      "src/background/bg_globals.js",
      "src/background/bg_chrome_api.js",
      "src/background/bg_crypto.js",
      "src/background/bg_performance.js",
      "src/background/bg_ad_filter.js",
      "src/background/bg_license.js",
      "src/background/bg_utils.js",
      "src/background/bg_media_probes.js",
      "src/background/bg_hls_parsers.js",
      "src/background/bg_archive.js",
      "src/background/bg_models.js",
      "src/background/bg_queue.js",
      "src/background/bg_offscreen.js",
      "src/background/bg_engine.js",
      "src/background/bg_alarms.js",
      "src/background/bg_listeners.js"
    ]
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; base-uri 'none'; frame-ancestors 'self'; img-src 'self' data: blob:; media-src 'self' blob:; connect-src 'self' http: https: blob:;"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "src/content/capture_injector.js"
      ],
      "run_at": "document_start",
      "world": "MAIN",
      "all_frames": true
    },
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "src/content.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "*://*.facebook.com/*",
        "*://www.facebook.com/*",
        "*://m.facebook.com/*"
      ],
      "js": [
        "src/content/parser_bridge.js",
        "src/content/parsers/facebook_parser.js",
        "src/content/facebook_extractor.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "*://*.twitter.com/*",
        "*://twitter.com/*",
        "*://*.x.com/*",
        "*://x.com/*"
      ],
      "js": [
        "src/content/parser_bridge.js",
        "src/content/parsers/twitter_parser.js",
        "src/content/twitter_extractor.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "*://*.vimeo.com/*",
        "*://vimeo.com/*",
        "*://player.vimeo.com/*"
      ],
      "js": [
        "src/content/parser_bridge.js",
        "src/content/parsers/vimeo_parser.js",
        "src/content/vimeo_extractor.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    },
    {
      "matches": [
        "*://*.bilibili.com/*",
        "*://bilibili.com/*"
      ],
      "js": [
        "src/content/bilibili_extractor.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "src/content/capture_injector.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    },
    {
      "resources": [
        "src/content/facebook_injector.js",
        "src/content/parser_worker.js",
        "src/content/parsers/facebook_parser.js"
      ],
      "matches": [
        "*://*.facebook.com/*",
        "*://www.facebook.com/*",
        "*://m.facebook.com/*"
      ]
    },
    {
      "resources": [
        "src/content/twitter_injector.js",
        "src/content/parser_worker.js",
        "src/content/parsers/twitter_parser.js"
      ],
      "matches": [
        "*://*.twitter.com/*",
        "*://twitter.com/*",
        "*://*.x.com/*",
        "*://x.com/*"
      ]
    },
    {
      "resources": [
        "src/content/parser_worker.js",
        "src/content/parsers/vimeo_parser.js"
      ],
      "matches": [
        "*://*.vimeo.com/*",
        "*://vimeo.com/*",
        "*://player.vimeo.com/*"
      ]
    }
  ],
  "action": {
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "16": "src/icons/icon16.png",
      "32": "src/icons/icon32.png",
      "48": "src/icons/icon48.png",
      "128": "src/icons/icon128.png"
    }
  },
  "sidebar_action": {
    "default_panel": "src/popup/popup.html?view=sidepanel",
    "default_title": "__MSG_appName__",
    "default_icon": {
      "16": "src/icons/icon16.png",
      "32": "src/icons/icon32.png",
      "48": "src/icons/icon48.png",
      "128": "src/icons/icon128.png"
    }
  },
  "icons": {
    "16": "src/icons/icon16.png",
    "32": "src/icons/icon32.png",
    "48": "src/icons/icon48.png",
    "128": "src/icons/icon128.png"
  }
}