Airscript - Airtable File Import

let table = base.getTable('People');

let csvFile = await input.fileAsync(
    'Pick a CSV file to upload',
    {allowedFileTypes: ['.csv'], hasHeaderRow: true}
);

if(csvFile) {
    let fileRows = csvFile.parsedContents;
    output.text('Here are the first 10 records of your file');
    output.table(fileRows.slice(0, 10));

    let proceed = await input.buttonsAsync(
        'Would you like to continue with this import?',
        [{label: 'Proceed', variant: 'primary'}, 'Cancel']
    ) 

    if(proceed == 'Proceed') {
        let newRecords = fileRows.map(fileRow => ({
            fields: {
                'First Name': fileRow.first_name,
                'Last Name': fileRow.last_name,
                'Email': fileRow.email
            }
        }));
        output.text('Importing data');
        while (newRecords.length > 0) {
            await table.createRecordsAsync(newRecords.slice(0, 50));
            newRecords = newRecords.slice(50);
        }
        output.text('Import completed');
    }
}