missing class attributes on wrapper functions #50
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this happens only when using the wrapper functions for hydration and not by using a tag.
e.g. you have a
<CustomComponentA class="xyz" />
and CustomComponentA has
<div class="blub"></div>
as template.Currently only "xyz" is applied while the component is not hydrated, with this regular class merging is happening and the final result class is "xyz blub".
I've added a test for this scenario.
Without the patch following scenarios happen:
SSR (correct):

before hydration (wrong, this also causes some flickering):

after hydration (correct again):

with this patch missing classes (missing in vnode, but are available in $el) are applied to the loading component.
@maoberlehner please let me know what you think of this issue.
thanks
simon