[When I provide](https://oss.sheetjs.com/ssf/) the negative value `-1.00069444444444` with the format `[h]:mm:ss` the result is an empty string. I expect that result be `-24:01:00`. Also thanks for all the great work on this really helpful utility!
When I provide the negative value
-1.00069444444444with the format[h]:mm:ssthe result is an empty string. I expect that result be-24:01:00.Also thanks for all the great work on this really helpful utility!