fix(CNavGroup): set default height
state to 0
#411
Merged
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Closes #410
The root cause of the issue is that height is
undefined
while the transition state isexiting
and thus the style sets height toundefined
. Then when the transition starts on opening the dropdown, the height is instantly set toauto
meaning there's no startpoint to transition from.This fix is a suggestion. This can also be solved using props or more complex style conditions.