Examine source code of Cardmarket Helper

{
  "manifest_version": 3,
  "name": "Cardmarket Helper",
  "version": "2026.5.2.0",
  "description": "An Add-On to enhance the user experience on cardmarket",
  "action": {
    "default_icon": {
      "32": "images/geschaft-32.png"
    },
    "default_title": "Cardmarket Helper",
    "default_popup": "config/config.html"
  },
  "icons": {
    "16": "images/geschaft.png",
    "32": "images/geschaft-32.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6b7ad442-dbee-4ef8-bc53-43af0e3de819}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "options_ui": {
    "page": "config/config.html",
    "browser_style": true,
    "open_in_tab": true
  },
  "host_permissions": [
    "https://api.scryfall.com/*",
    "https://downloads.s3.cardmarket.com/*",
    "https://raw.githubusercontent.com/*"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "html/popup.html",
        "config/config.html",
        "config/config.js",
        "css/keyrune.min.css",
        "fonts/*",
        "resources/table.html",
        "resources/table-filter-tr-template.html"
      ],
      "matches": [
        "https://www.cardmarket.com/*"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.cardmarket.com/*"
      ],
      "js": [
        "js/config.js",
        "js/article-sale-database.js",
        "js/update-notification.js",
        "js/fetch-helper.js",
        "js/load-price-data.js",
        "js/pagination-control.js"
      ]
    },
    {
      "matches": [
        "https://www.cardmarket.com/*"
      ],
      "exclude_matches": [
        "https://www.cardmarket.com/*/Offers/Singles*",
        "https://www.cardmarket.com/*/Magic/Wants/ShoppingWizard/Results*",
        "https://www.cardmarket.com/*/Magic/Orders/*"
      ],
      "js": [
        "js/get-thumbnail.js",
        "js/show-thumbnail.js"
      ]
    },
    {
      "matches": [
        "https://www.cardmarket.com/*/Magic/*"
      ],
      "js": [
        "js/fetch-helper.js",
        "js/scryfall.js",
        "lib/papaparse.min.js",
        "js/upload-csv.js"
      ]
    },
    {
      "matches": [
        "https://www.cardmarket.com/*/*/Orders/*"
      ],
      "exclude_matches": [
        "https://www.cardmarket.com/*/Magic/Orders/*"
      ],
      "js": [
        "lib/papaparse.min.js",
        "js/cardmarket-util.js",
        "js/export-articles.js"
      ]
    },
    {
      "matches": [
        "https://www.cardmarket.com/*/Magic/Orders/*"
      ],
      "exclude_matches": [
        "https://www.cardmarket.com/*/Orders/Sales/Paid"
      ],
      "js": [
        "lib/papaparse.min.js",
        "js/get-thumbnail.js",
        "js/cardmarket-util.js",
        "js/export-articles.js",
        "js/orders.js"
      ]
    },
    {
      "matches": [
        "https://www.cardmarket.com/*/Orders/Sales/Paid"
      ],
      "js": [
        "js/sales-paid.js"
      ]
    },
    {
      "matches": [
        "https://www.cardmarket.com/*/Magic/Wants/*/AddDeckList"
      ],
      "js": [
        "js/wantslist_import.js"
      ]
    },
    {
      "matches": [
        "https://www.cardmarket.com/*/Magic/Wants/*"
      ],
      "exclude_matches": [
        "https://www.cardmarket.com/*/Magic/Wants/*/AddDeckList"
      ],
      "js": [
        "js/wantslist_export.js"
      ]
    },
    {
      "matches": [
        "https://www.cardmarket.com/*/Offers/*"
      ],
      "js": [
        "js/get-thumbnail.js",
        "js/fetch-helper.js",
        "js/offers.js"
      ]
    },
    {
      "matches": [
        "https://www.cardmarket.com/*/Magic/*/Offers/Singles*"
      ],
      "exclude_matches": [
        "https://www.cardmarket.com/*/Magic/Stock/Offers/Singles*"
      ],
      "js": [
        "js/mtgtop8-data.js",
        "js/cardmarket-util.js",
        "js/offers-singles-magic.js"
      ],
      "css": [
        "css/popup.css"
      ]
    },
    {
      "matches": [
        "https://www.cardmarket.com/*/Magic/Products/Singles/*"
      ],
      "js": [
        "js/cardmarket-util.js",
        "js/sell.js",
        "js/sell-metric-icons.js"
      ],
      "css": [
        "css/keyrune.min.css"
      ]
    }
  ]
}