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added clone: to components in view! macro to help with move dilemmaa

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This commit is contained in:
Jose Quesada 2022-12-28 09:24:52 -06:00
parent 3c1e1e12d2
commit 0da8d0113c
1 changed files with 154 additions and 120 deletions
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264
leptos_macro/src/view.rs
View file

@ -490,7 +490,9 @@ fn fragment_to_tokens(cx: &Ident, _span: Span, nodes: &[Node], lazy: bool) -> To
fn node_to_tokens(cx: &Ident, node: &Node) -> TokenStream {
match node {
Node::Fragment(fragment) => fragment_to_tokens(cx, Span::call_site(), &fragment.children, false),
Node::Fragment(fragment) => {
fragment_to_tokens(cx, Span::call_site(), &fragment.children, false)
}
Node::Comment(_) | Node::Doctype(_) => quote! {},
Node::Text(node) => {
let value = node.value.as_ref();
@ -518,12 +520,10 @@ fn element_to_tokens(cx: &Ident, node: &NodeElement) -> TokenStream {
} else if is_svg_element(&tag) {
let name = &node.name;
quote! { leptos::leptos_dom::svg::#name(#cx) }
}
else if is_math_ml_element(&tag) {
} else if is_math_ml_element(&tag) {
let name = &node.name;
quote! { leptos::leptos_dom::math::#name(#cx) }
}
else {
} else {
let name = &node.name;
quote! { leptos::leptos_dom::#name(#cx) }
};
@ -642,23 +642,17 @@ fn component_to_tokens(cx: &Ident, node: &NodeElement) -> TokenStream {
let span = node.name.span();
let component_props_name = format_ident!("{component_name}Props");
let children = if node.children.is_empty() {
quote! {}
} else {
let children = fragment_to_tokens(cx, span, &node.children, true);
quote! { .children(Box::new(move |#cx| #children)) }
};
let props = node
.attributes
.iter()
.filter_map(|node| {
let attrs = node.attributes.iter().filter_map(|node| {
if let Node::Attribute(node) = node {
Some(node)
} else {
None
}
})
});
let props = attrs
.clone()
.filter(|attr| !attr.key.to_string().starts_with("clone:"))
.map(|attr| {
let name = &attr.key;
@ -676,6 +670,38 @@ fn component_to_tokens(cx: &Ident, node: &NodeElement) -> TokenStream {
}
});
let items_to_clone = attrs
.filter(|attr| attr.key.to_string().starts_with("clone:"))
.map(|attr| {
let ident = attr
.key
.to_string()
.strip_prefix("clone:")
.unwrap()
.to_owned();
format_ident!("{ident}", span = attr.key.span())
})
.collect::<Vec<_>>();
let children = if node.children.is_empty() {
quote! {}
} else {
let children = fragment_to_tokens(cx, span, &node.children, true);
let clonables = items_to_clone
.iter()
.map(|ident| quote! { let #ident = #ident.clone(); });
quote! {
.children({
#(#clonables)*
Box::new(move |#cx| #children)
})
}
};
quote! {
#name(
#cx,
@ -747,110 +773,118 @@ fn is_self_closing(node: &NodeElement) -> bool {
fn camel_case_tag_name(tag_name: &str) -> String {
let mut chars = tag_name.chars();
let first = chars.next();
first.map(|f| f.to_ascii_uppercase()).into_iter()
first
.map(|f| f.to_ascii_uppercase())
.into_iter()
.chain(chars)
.collect()
}
fn is_svg_element(tag: &str) -> bool {
matches!(tag, "animate" |
"animateMotion" |
"animateTransform" |
"circle" |
"clipPath" |
"defs" |
"desc" |
"discard" |
"ellipse" |
"feBlend" |
"feColorMatrix" |
"feComponentTransfer" |
"feComposite" |
"feConvolveMatrix" |
"feDiffuseLighting" |
"feDisplacementMap" |
"feDistantLight" |
"feDropShadow" |
"feFlood" |
"feFuncA" |
"feFuncB" |
"feFuncG" |
"feFuncR" |
"feGaussianBlur" |
"feImage" |
"feMerge" |
"feMergeNode" |
"feMorphology" |
"feOffset" |
"fePointLight" |
"feSpecularLighting" |
"feSpotLight" |
"feTile" |
"feTurbulence" |
"filter" |
"foreignObject" |
"g" |
"hatch" |
"hatchpath" |
"image" |
"line" |
"linearGradient" |
"marker" |
"mask" |
"metadata" |
"mpath" |
"path" |
"pattern" |
"polygon" |
"polyline" |
"radialGradient" |
"rect" |
"script" |
"set" |
"stop" |
"style" |
"svg" |
"switch" |
"symbol" |
"text" |
"textPath" |
"title" |
"tspan" |
"use" |
"use_" |
"view")
matches!(
tag,
"animate"
| "animateMotion"
| "animateTransform"
| "circle"
| "clipPath"
| "defs"
| "desc"
| "discard"
| "ellipse"
| "feBlend"
| "feColorMatrix"
| "feComponentTransfer"
| "feComposite"
| "feConvolveMatrix"
| "feDiffuseLighting"
| "feDisplacementMap"
| "feDistantLight"
| "feDropShadow"
| "feFlood"
| "feFuncA"
| "feFuncB"
| "feFuncG"
| "feFuncR"
| "feGaussianBlur"
| "feImage"
| "feMerge"
| "feMergeNode"
| "feMorphology"
| "feOffset"
| "fePointLight"
| "feSpecularLighting"
| "feSpotLight"
| "feTile"
| "feTurbulence"
| "filter"
| "foreignObject"
| "g"
| "hatch"
| "hatchpath"
| "image"
| "line"
| "linearGradient"
| "marker"
| "mask"
| "metadata"
| "mpath"
| "path"
| "pattern"
| "polygon"
| "polyline"
| "radialGradient"
| "rect"
| "script"
| "set"
| "stop"
| "style"
| "svg"
| "switch"
| "symbol"
| "text"
| "textPath"
| "title"
| "tspan"
| "use"
| "use_"
| "view"
)
}
fn is_math_ml_element(tag: &str) -> bool {
matches!(tag, "math" |
"mi" |
"mn" |
"mo" |
"ms" |
"mspace" |
"mtext" |
"menclose" |
"merror" |
"mfenced" |
"mfrac" |
"mpadded" |
"mphantom" |
"mroot" |
"mrow" |
"msqrt" |
"mstyle" |
"mmultiscripts" |
"mover" |
"mprescripts" |
"msub" |
"msubsup" |
"msup" |
"munder" |
"munderover" |
"mtable" |
"mtd" |
"mtr" |
"maction" |
"annotation" |
"semantics")
matches!(
tag,
"math"
| "mi"
| "mn"
| "mo"
| "ms"
| "mspace"
| "mtext"
| "menclose"
| "merror"
| "mfenced"
| "mfrac"
| "mpadded"
| "mphantom"
| "mroot"
| "mrow"
| "msqrt"
| "mstyle"
| "mmultiscripts"
| "mover"
| "mprescripts"
| "msub"
| "msubsup"
| "msup"
| "munder"
| "munderover"
| "mtable"
| "mtd"
| "mtr"
| "maction"
| "annotation"
| "semantics"
)
}