feat: fix types aligning with doc; and support null for mutate #274
+6
−6
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Doc says
But type doesn't accept
null
as fetcher. resolves #148In addition,
mutate
(internallyrevalidate
) does not treatnull
as special value differing toundefined
. This changes runtime behavior a little. Now we can overridemutate
fetcher function withnull
even if initial fetcher function is notnull
.undefined
stays as falling back to initial fetcher.