change condition

Author: mkustermann

lib/web_ui/lib/src/engine/dart_js_conversion.dart

@@ -5,8 +5,8 @@
 import 'dart:js_interop' show JSAny;
 import 'dart:js_util' as js_util;
 
-import 'dart_js_conversion_nonwasm.dart'
-    if (dart.library._wasm) 'dart_js_conversion_wasm.dart';
+import 'dart_js_conversion_wasm.dart'
+    if (dart.library.html) 'dart_js_conversion_nonwasm.dart';
 
 /// Conversions methods to facilitate migrating to JS types.
 ///