fix: Missing error on invalid island children #1736
Merged
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In #1674 a reproduction was posted where a json object was passed to an island instead of an expected JSX element.
Whilst this is technically possible in Preact, if the receiving component knows how to deal with that, it's not something that's encouraged. It breaks the compositional nature of components and leads to difficult to understand errors.
Instead users should pass data via any other prop where the already existing serialization mechanism we have in Fresh will kick in. The
children
prop is reserved for JSX nodes only.All this PR does, is throw an error when it detects that the user is trying to pass something invalid via
children
to an island