How can I choose a language in the Flatfile importer?

To choose a language within the Flatfile importer, use the importer.setLanguage('xx')method. You can use this method right after importer.setCustomer(). The code snippet below shows an example of how to choose a language in the Flatfile importer., 

const importer = new FlatfileImporter(
  licenseKey,
  settings
)

importer.setCustomer(customer);
importer.setLanguage("xx");

const importOnClick = () => {
  importer.requestDataFromUser().then(
    // do something
  )
}

Supported languages:

• German - de & "de-DE"
• English - en , "en-CA" , "en-GB" & "en-US"
• Spanish - es & "es-ES"
• French - fr , "fr-FR" & "fr-CA"
• Italian - it
• Japanese - ja
• Korean - ko
• Dutch - nl
• Polish - pl
• Portuguese - pt & "pt-BR"
• Swedish - sv
• Thai - th
• Turkish - tr
• Chinese - zh , "zh-Hans" , "zh-Hant" & "zh-Hant-TW"
• Indonesian - id