Examine source code of ASBPlayer: Learn with Subs

{
  "name": "asbplayer: Language-learning with subtitles",
  "description": "Language learning subtitle player for streaming platforms like Netflix, YouTube, and more.",
  "version": "1.9.1",
  "manifest_version": 3,
  "default_locale": "en",
  "icons": {
    "16": "assets/icon16.png",
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "contextMenus",
    "webRequest",
    "webRequestBlocking"
  ],
  "action": {
    "default_title": "asbplayer"
  },
  "options_ui": {
    "page": "settings-ui.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_globs": [
        "*://killergerbah.github.io/asbplayer*",
        "*://localhost:3000/*"
      ],
      "js": [
        "video.js"
      ],
      "css": [
        "video.css"
      ],
      "all_frames": true,
      "run_at": "document_idle"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_globs": [
        "*://killergerbah.github.io/asbplayer*",
        "*://localhost:3000/*"
      ],
      "js": [
        "page.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://killergerbah.github.io/asbplayer*",
        "*://localhost/*"
      ],
      "js": [
        "asbplayer.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "commands": {
    "copy-subtitle": {
      "description": "__MSG_shortcutMineSubtitleDescription__"
    },
    "copy-subtitle-with-dialog": {
      "suggested_key": {
        "default": "Ctrl+Shift+X",
        "mac": "MacCtrl+Shift+X"
      },
      "description": "__MSG_shortcutMineSubtitleAndOpenDialogDescription__"
    },
    "update-last-card": {
      "suggested_key": {
        "default": "Ctrl+Shift+U",
        "mac": "MacCtrl+Shift+U"
      },
      "description": "__MSG_shortcutUpdateLastCardDescription__"
    },
    "toggle-video-select": {
      "suggested_key": {
        "default": "Ctrl+Shift+F",
        "mac": "MacCtrl+Shift+F"
      },
      "description": "__MSG_shortcutSelectSubtitleTrackDescription__"
    },
    "take-screenshot": {
      "suggested_key": {
        "default": "Ctrl+Shift+V",
        "mac": "MacCtrl+Shift+V"
      },
      "description": "__MSG_shortcutTakeScreenshotDescription__"
    },
    "toggle-recording": {
      "description": "__MSG_shortcutToggleRecordingDescription__"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "chunks/*",
        "assets/image.png",
        "assets/fonts.css",
        "assets/Roboto-Bold.woff2",
        "assets/Roboto-Light.woff2",
        "assets/Roboto-Medium.woff2",
        "assets/Roboto-Regular.woff2",
        "assets/Roboto-BoldItalic.woff2",
        "assets/Roboto-LightItalic.woff2",
        "assets/Roboto-MediumItalic.woff2",
        "assets/Roboto-Italic.woff2",
        "pages/netflix-page.js",
        "pages/youtube-page.js",
        "pages/tver-page.js",
        "pages/bandai-channel-page.js",
        "pages/amazon-prime-page.js",
        "pages/hulu-page.js",
        "pages/disney-plus-page.js",
        "pages/apps-disney-plus-page.js",
        "pages/viki-page.js",
        "pages/unext-page.js",
        "pages/emby-jellyfin-page.js",
        "pages/osnplus-page.js",
        "pages/bilibili-page.js",
        "pages/nrk-tv-page.js",
        "pages/plex-page.js",
        "pages/areena-yle-page.js",
        "anki-ui.js",
        "mp3-encoder-worker.js",
        "pgs-parser-worker.js",
        "video-data-sync-ui.js",
        "video-select-ui.js",
        "mobile-video-overlay-ui.html",
        "mobile-video-overlay-ui.js",
        "notification-ui.js",
        "asbplayer-locales/de.json",
        "asbplayer-locales/en.json",
        "asbplayer-locales/es.json",
        "asbplayer-locales/ja.json",
        "asbplayer-locales/pl.json",
        "asbplayer-locales/zh_CN.json",
        "asbplayer-locales/pt_BR.json",
        "asbplayer-locales/ru.json"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a6b3e1d4-8c23-4cfa-9123-1f2b95a7ab23}"
    }
  }
}