Negative value passed to translator.toWords() returns undefined

[sliterok]

For example, -231 returns undefined hundred and undefined

[silvium]

Well, technically speaking, the Readme does say:

Now available locales

• en_US (0...999999999)
• cs_CZ (0...999999999)

So that would make your issue a feature request.

[beeing]

How about adding a simple detection to add minus then Math.abs the value?