Examine source code of Holodex Plus

{
  "manifest_version": 3,
  "version": "1.0.0",
  "name": "Holodex Plus",
  "description": "Holodex companion extension",
  "options_ui": {
    "page": "src/pages/options/index.html",
    "open_in_tab": false
  },
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  },
  "action": {
    "default_icon": {
      "16": "src/icons/16.png",
      "32": "src/icons/32.png",
      "48": "src/icons/48.png",
      "64": "src/icons/64.png",
      "128": "src/icons/128.png"
    }
  },
  "icons": {
    "16": "src/icons/16.png",
    "128": "src/icons/128.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "contextMenus",
    "webRequest",
    "declarativeNetRequestWithHostAccess"
  ],
  "host_permissions": [
    "*://*.youtube.com/*",
    "*://*.holodex.net/*"
  ],
  "content_scripts": [
    {
      "js": [
        "assets/contentScript.ts-loader-BNIw39j1.js"
      ],
      "matches": [
        "*://*.holodex.net/*"
      ],
      "all_frames": true,
      "run_at": "document_start"
    },
    {
      "js": [
        "assets/contentScript.ts-loader-CFEsdsIF.js"
      ],
      "matches": [
        "*://*.youtube.com/live_chat*"
      ],
      "all_frames": true,
      "run_at": "document_end"
    },
    {
      "js": [
        "assets/contentScript.ts-loader-C4ck4ix7.js"
      ],
      "matches": [
        "*://*.youtube.com/*"
      ],
      "all_frames": true,
      "run_at": "document_start"
    },
    {
      "js": [
        "assets/contentScript.ts-loader-8fEBIKpC.js"
      ],
      "matches": [
        "*://*.youtube.com/embed/*"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7ff078b3-b3e9-44df-a646-45c702b2e17c}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "*://*.holodex.net/*"
      ],
      "resources": [
        "assets/misc-lDwJlZ4I.js",
        "assets/holodex-inject.ts-DiQRsil-.js",
        "assets/contentScript.ts-BEtajoE9.js"
      ]
    },
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "resources": [
        "assets/misc-lDwJlZ4I.js",
        "assets/inject.ts-CQQBYCft.js",
        "assets/contentScript.ts-pbWt0tMP.js",
        "assets/options-CXScWtas.js",
        "assets/contentScript.ts-BrCsFROU.js",
        "assets/contentScript.ts-4rxjCffF.js"
      ]
    }
  ]
}