[Fizz] Block on Suspensey Fonts during reveal #33342
Merged
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This is the same technique we do for the client except we don't check whether this is newly created font loading to keep code small.
Unfortunately, we can't use this technique for Suspensey images. They'll need to block before we call
startViewTransition
in a separate refactor. This is due to a bug in Chrome whereimg.decode()
doesn't resolve untilstartViewTransition
does.