troika-three-text: no way to handle sync() errors

[pikilipita]

Under certains cases, sync() requires a network connection to perform a fetch.

If there is no network connection, this error happens:
Uncaught (in promise) TypeError: Failed to fetch
at T (861c985d-fdcb-469b-8949-cd8659c4d8ab:5:2247)
at A (861c985d-fdcb-469b-8949-cd8659c4d8ab:5:2747)
at t.getFontsForString (861c985d-fdcb-469b-8949-cd8659c4d8ab:5:2820)
...

I can't find any way to handle this error. Usual try / catch won't work here