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feat: deduplicate lazy function names with a hash (closes #4157)

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This commit is contained in:
Greg Johnston
2025-07-16 07:46:40 -04:00
parent 4c1e7dc8c1
commit b746c2ac4e
1 changed files with 14 additions and 1 deletions
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15
leptos_macro/src/lazy.rs
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@@ -3,6 +3,7 @@ use proc_macro::TokenStream;
use proc_macro2::Ident;
use proc_macro_error2::abort;
use quote::quote;
use std::hash::{DefaultHasher, Hash, Hasher};
use syn::{parse_macro_input, spanned::Spanned, ItemFn};
pub fn lazy_impl(args: proc_macro::TokenStream, s: TokenStream) -> TokenStream {
@@ -29,10 +30,22 @@ pub fn lazy_impl(args: proc_macro::TokenStream, s: TokenStream) -> TokenStream {
)
});
let unique_name = {
let span = proc_macro::Span::call_site();
let location =
(span.start().line(), span.start().column(), span.file());
let mut hasher = DefaultHasher::new();
location.hash(&mut hasher);
let hash = hasher.finish();
Ident::new(&format!("{converted_name}_{hash}"), converted_name.span())
};
let is_wasm = cfg!(feature = "csr") || cfg!(feature = "hydrate");
if is_wasm {
quote! {
#[::leptos::wasm_split::wasm_split(#converted_name)]
#[::leptos::wasm_split::wasm_split(#unique_name)]
#fun
}
} else {