preset-env

Author: kdy1

crates/swc_ecma_preset_env/src/lib.rs

@@ -183,7 +183,9 @@ where
     );
 
     // ES2019
-    let pass = add!(pass, OptionalCatchBinding, es2019::optional_catch_binding());
+    if !caniuse(Feature::OptionalCatchBinding) {
+        options.env.es2019.optional_catch_binding = true;
+    }
 
     // ES2018
     if !caniuse(Feature::ObjectRestSpread) {