From f14b0af26416cd24026c6c3c905dc8c553b3d36f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 9 Sep 2026 00:58:16 +0000
Subject: [PATCH 1/2] Initial plan


From b35a5418aca538c5d435ae1e991f158b334d0c10 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 9 Sep 2026 01:00:34 +0000
Subject: [PATCH 2/2] Fix wasm import linkage for callback symbols

Co-authored-by: bomsy <792924+bomsy@users.noreply.github.com>
---
 wasm-mappings/source-map-mappings-wasm-api/src/lib.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wasm-mappings/source-map-mappings-wasm-api/src/lib.rs b/wasm-mappings/source-map-mappings-wasm-api/src/lib.rs
index d91ed381..225e77cc 100644
--- a/wasm-mappings/source-map-mappings-wasm-api/src/lib.rs
+++ b/wasm-mappings/source-map-mappings-wasm-api/src/lib.rs
@@ -43,6 +43,7 @@ mod observer {
             impl Default for $name {
                 #[inline]
                 fn default() -> $name {
+                    #[cfg_attr(target_arch = "wasm32", link(wasm_import_module = "env"))]
                     extern "C" {
                         fn $ctor();
                     }
@@ -56,6 +57,7 @@ mod observer {
             impl Drop for $name {
                 #[inline]
                 fn drop(&mut self) {
+                    #[cfg_attr(target_arch = "wasm32", link(wasm_import_module = "env"))]
                     extern "C" {
                         fn $dtor();
                     }
@@ -251,6 +253,7 @@ unsafe fn mappings_mut<'a>(
     mappings.as_mut().unwrap()
 }
 
+#[cfg_attr(target_arch = "wasm32", link(wasm_import_module = "env"))]
 extern "C" {
     fn mapping_callback(
         // These two parameters are always valid.