Wrong return types for default exported function

[Aamir Afridi]

General information

• Library version: 9.1.0
• Browser and OS Chrome, Max OS

Wrong return types for default exported function

In your types file:

declare function creditCardType(cardNumber: string): Array<CreditCardType>;

But it can return undefined e.g. if you provide a card number 000...

[Aamir Afridi]

it does return empty array. my bad