Examine source code of Hide Cancelled Amazon Orders

{
  "manifest_version": 3,
  "name": "Hide Cancelled Amazon Orders",
  "version": "1.1.0",
  "description": "Hides cancelled (and optionally returned or refunded) orders in your Amazon order history so your list only shows orders that still matter.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac56b324-4f30-44b3-911f-0a2bb638c06e}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage"
  ],
  "action": {
    "default_title": "Hide Cancelled Amazon Orders",
    "default_popup": "src/popup.html",
    "default_icon": {
      "16": "icons/icon.svg",
      "32": "icons/icon.svg",
      "48": "icons/icon.svg",
      "128": "icons/icon.svg"
    }
  },
  "commands": {
    "toggle-hiding": {
      "suggested_key": {
        "default": "Alt+Shift+C"
      },
      "description": "Turn order hiding on or off"
    }
  },
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "icons": {
    "16": "icons/icon.svg",
    "32": "icons/icon.svg",
    "48": "icons/icon.svg",
    "128": "icons/icon.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.amazon.com/gp/css/order-history*",
        "*://www.amazon.com/gp/your-account/order-history*",
        "*://www.amazon.com/your-orders/*",
        "*://www.amazon.co.uk/gp/css/order-history*",
        "*://www.amazon.co.uk/gp/your-account/order-history*",
        "*://www.amazon.co.uk/your-orders/*",
        "*://www.amazon.ca/gp/css/order-history*",
        "*://www.amazon.ca/gp/your-account/order-history*",
        "*://www.amazon.ca/your-orders/*",
        "*://www.amazon.com.au/gp/css/order-history*",
        "*://www.amazon.com.au/gp/your-account/order-history*",
        "*://www.amazon.com.au/your-orders/*",
        "*://www.amazon.de/gp/css/order-history*",
        "*://www.amazon.de/gp/your-account/order-history*",
        "*://www.amazon.de/your-orders/*",
        "*://www.amazon.fr/gp/css/order-history*",
        "*://www.amazon.fr/gp/your-account/order-history*",
        "*://www.amazon.fr/your-orders/*",
        "*://www.amazon.es/gp/css/order-history*",
        "*://www.amazon.es/gp/your-account/order-history*",
        "*://www.amazon.es/your-orders/*",
        "*://www.amazon.it/gp/css/order-history*",
        "*://www.amazon.it/gp/your-account/order-history*",
        "*://www.amazon.it/your-orders/*",
        "*://www.amazon.nl/gp/css/order-history*",
        "*://www.amazon.nl/gp/your-account/order-history*",
        "*://www.amazon.nl/your-orders/*",
        "*://www.amazon.com.be/gp/css/order-history*",
        "*://www.amazon.com.be/gp/your-account/order-history*",
        "*://www.amazon.com.be/your-orders/*",
        "*://www.amazon.pl/gp/css/order-history*",
        "*://www.amazon.pl/gp/your-account/order-history*",
        "*://www.amazon.pl/your-orders/*",
        "*://www.amazon.se/gp/css/order-history*",
        "*://www.amazon.se/gp/your-account/order-history*",
        "*://www.amazon.se/your-orders/*",
        "*://www.amazon.ie/gp/css/order-history*",
        "*://www.amazon.ie/gp/your-account/order-history*",
        "*://www.amazon.ie/your-orders/*",
        "*://www.amazon.co.jp/gp/css/order-history*",
        "*://www.amazon.co.jp/gp/your-account/order-history*",
        "*://www.amazon.co.jp/your-orders/*",
        "*://www.amazon.in/gp/css/order-history*",
        "*://www.amazon.in/gp/your-account/order-history*",
        "*://www.amazon.in/your-orders/*",
        "*://www.amazon.sg/gp/css/order-history*",
        "*://www.amazon.sg/gp/your-account/order-history*",
        "*://www.amazon.sg/your-orders/*",
        "*://www.amazon.com.tr/gp/css/order-history*",
        "*://www.amazon.com.tr/gp/your-account/order-history*",
        "*://www.amazon.com.tr/your-orders/*",
        "*://www.amazon.ae/gp/css/order-history*",
        "*://www.amazon.ae/gp/your-account/order-history*",
        "*://www.amazon.ae/your-orders/*",
        "*://www.amazon.sa/gp/css/order-history*",
        "*://www.amazon.sa/gp/your-account/order-history*",
        "*://www.amazon.sa/your-orders/*",
        "*://www.amazon.eg/gp/css/order-history*",
        "*://www.amazon.eg/gp/your-account/order-history*",
        "*://www.amazon.eg/your-orders/*",
        "*://www.amazon.com.mx/gp/css/order-history*",
        "*://www.amazon.com.mx/gp/your-account/order-history*",
        "*://www.amazon.com.mx/your-orders/*",
        "*://www.amazon.com.br/gp/css/order-history*",
        "*://www.amazon.com.br/gp/your-account/order-history*",
        "*://www.amazon.com.br/your-orders/*",
        "*://www.amazon.cl/gp/css/order-history*",
        "*://www.amazon.cl/gp/your-account/order-history*",
        "*://www.amazon.cl/your-orders/*",
        "*://www.amazon.com.co/gp/css/order-history*",
        "*://www.amazon.com.co/gp/your-account/order-history*",
        "*://www.amazon.com.co/your-orders/*",
        "*://www.amazon.co.za/gp/css/order-history*",
        "*://www.amazon.co.za/gp/your-account/order-history*",
        "*://www.amazon.co.za/your-orders/*"
      ],
      "js": [
        "src/matcher.js",
        "src/locales.js",
        "src/content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ]
}