Code review

Author: nex3

sdk/lib/js_interop/js_interop.dart

@@ -541,8 +541,10 @@ extension type JSSymbol._(JSSymbolRepType _jsSymbol) implements JSAny {
   /// If [description] is provided, it's used for debugging but not to access
   /// the symbol itself.
   @Since('3.11')
-  JSSymbol([String? description]) =>
-      _jsSymbol = description == null ? _constructSymbol() : _constructSymbol(description);
+  JSSymbol([String? description])
+    : _jsSymbol = description == null
+          ? _constructSymbol()
+          : _constructSymbol(description);
 
   /// Searches for an existing symbol in a runtime-wide symbol registry with the
   /// given key and returns it if found.
@@ -551,7 +553,7 @@ extension type JSSymbol._(JSSymbolRepType _jsSymbol) implements JSAny {
   /// registry, and returns it.
   @Since('3.11')
   @JS('for')
-  external static JSSymbol forKey(String key;
+  external static JSSymbol forKey(String key);
 
   /// `Symbol.asyncDispose` from the ECMAScript [explicit resource management]
   /// feature.