format

lib/src/codegen/js_names.dart

diff --git a/lib/src/codegen/js_names.dart b/lib/src/codegen/js_names.dart
index 209af50..b8be9d5 100644
--- a/lib/src/codegen/js_names.dart
+++ b/lib/src/codegen/js_names.dart
@@ -290,7 +290,7 @@
 ///
 /// [closureCompiler] marks some names as invalid for the purpose of ES6->ES5
 /// lowering with the Closure Compiler.
-bool invalidStaticFieldName(String name, {bool closureCompiler : false}) {
+bool invalidStaticFieldName(String name, {bool closureCompiler: false}) {
   switch (name) {
     case "arguments":
     case "caller":