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Fetches something from itemDB, handling authentication issues arising from the March 2026 API update.
Ten skrypt nie powinien być instalowany bezpośrednio. Jest to biblioteka dla innych skyptów do włączenia dyrektywą meta // @require https://update.greasyfork.org/scripts/567036/1759045/itemDB%20Fetch%20Lib.js
This is not a script and does nothing on its own. It was created to be @required by userscripts.
This allows an userscript to send a query to itemDB, showing an error message if the user is unauthenticated.
To use it, asynchronously call the function fetchItemDb(url, scriptName), using the URL you would use for a fetch (example: https://itemdb.com.br/api/v1/items/negg) as url, and your script's name for UI purposes in case authorization fails.
