Examine source code of EpisoPass

{
  "name": "EpisoPass",
  "short_name": "EpisoPass",
  "version": "0.0.4",
  "manifest_version": 2,
  "description": "EpisoPass2021対応拡張機能",
  "permissions": [
    "http://*/",
    "storage"
  ],
  "icons": {
    "48": "icons/episopass-48.png",
    "96": "icons/episopass-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "exports.js",
        "jquery-3.6.0.js",
        "md5.js",
        "crypt.js",
        "app.js",
        "episopass.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "episopass.css"
  ]
}