Font does not extract its font family in array objects

[CNV1018]

Hi, I come across these fonts: Bahnschrift, Sitka, Sitka italic, Cascadia Mono, Cascadia Code, and Segoe UI Variable.
I checked the installed fonts, they come in a lot of font styles. However, when I do the Typr.parse(fontContent), it only returns me 1 object, not like TTC font which can return multiple objects.

I checked online, these fonts are called as Variation Fonts. How can I get the glyph content correctly for each font style?

[photopea]

Typr.js does not support variable fonts yet :(