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fix: allow > 26 children for element children as well as top-level fragments (#2918)

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Greg Johnston 2024-09-03 14:53:38 -04:00 committed by GitHub
parent ee5cbf1891
commit 4a3b3ffb8a
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1 changed files with 29 additions and 9 deletions
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38
leptos_macro/src/view/mod.rs
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@ -101,19 +101,39 @@ fn element_children_to_tokens(
parent_slots,
global_class,
view_marker,
)
.into_iter()
.map(|child| {
quote! {
);
if children.is_empty() {
None
} else if children.len() == 1 {
let child = &children[0];
Some(quote! {
.child(
#[allow(unused_braces)]
{ #child }
)
}
});
Some(quote! {
#(#children)*
})
})
} else if children.len() > 16 {
// implementations of various traits used in routing and rendering are implemented for
// tuples of sizes 0, 1, 2, 3, ... N. N varies but is > 16. The traits are also implemented
// for tuples of tuples, so if we have more than 16 items, we can split them out into
// multiple tuples.
let chunks = children.chunks(16).map(|children| {
quote! {
(#(#children),*)
}
});
Some(quote! {
.child(
(#(#chunks),*)
)
})
} else {
Some(quote! {
.child(
(#(#children),*)
)
})
}
}
fn fragment_to_tokens(