Throw error if target = web and there is a exported symbol called "de…

…fault"
rustwasm · Apr 22, 2024 · 7dbc7f7 · 7dbc7f7
1 parent b1d9bd4
commit 7dbc7f7
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/crates/cli-support/src/lib.rs b/crates/cli-support/src/lib.rs
@@ -327,6 +327,13 @@ impl Bindgen {
                 .context("failed getting Wasm module")?,
         };
 
+        // Check that no exported symbol is called "default" if we target web.
+        if matches!(self.mode, OutputMode::Web)
+            && module.exports.iter().any(|export| export.name == "default")
+        {
+            bail!("exported symbol \"default\" not allowed for --target web")
+        }
+
         let thread_count = self
             .threads
             .run(&mut module)