See DataTransferLoaderOptions for configuration options.

import { locale } from 'filepond/locales/en-gb.js';
import { DataTransferLoader } from 'filepond/extensions/data-transfer-loader.js';

defineFilePond({
    extensions: [
        // Load the BlobLoader extension
        [DataTransferLoader, {
            // The BlobLoader properties
        }]
    ]
})