From 3a964e7df30272d2c476060a74ef91ad943bd2f9 Mon Sep 17 00:00:00 2001
From: jedel1043 <jedel0124@gmail.com>
Date: Sun, 18 Aug 2024 23:08:30 -0600
Subject: [PATCH] Fix `js_str` macro to correctly handle latin1 strings

---
 core/macros/src/lib.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/core/macros/src/lib.rs b/core/macros/src/lib.rs
index 027e6c0478a..5d71196faeb 100644
--- a/core/macros/src/lib.rs
+++ b/core/macros/src/lib.rs
@@ -185,10 +185,9 @@ pub fn utf16(input: TokenStream) -> TokenStream {
 #[proc_macro]
 pub fn js_str(input: TokenStream) -> TokenStream {
     let literal = parse_macro_input!(input as LitStr);
-    let utf8 = literal.value();
 
     let mut is_latin1 = true;
-    let utf16 = utf8
+    let utf16 = literal.value()
         .encode_utf16()
         .inspect(|x| {
             if *x > u8::MAX.into() {
@@ -197,8 +196,9 @@ pub fn js_str(input: TokenStream) -> TokenStream {
         })
         .collect::<Vec<_>>();
     if is_latin1 {
+        let latin1 = utf16.iter().map(|&c| c as u8).collect::<Vec<_>>();
         quote! {
-            ::boa_engine::string::JsStr::latin1(#utf8.as_bytes())
+            ::boa_engine::string::JsStr::latin1([#(#latin1),*].as_slice())
         }
     } else {
         quote! {