created extension utils

Author: KernelPanic92

generator/lib/src/extensions/dart_type_extension.dart

@@ -0,0 +1,19 @@
+import 'package:analyzer/dart/element/type.dart';
+
+extension DartTypeExtension on DartType {
+
+  bool get isPrimitive {
+    return isDartCoreBool ||
+      isDartCoreDouble ||
+      isDartCoreFunction ||
+      isDartCoreInt ||
+      isDartCoreNum ||
+      isDartCoreString ||
+      isDartCoreSymbol;
+  }
+
+  bool get isFuture => isDartAsyncFuture || isDartAsyncFutureOr;
+
+  bool get isCollection => isDartCoreMap || isDartCoreList || isDartCoreSet;
+
+}

generator/lib/src/extensions/extensions.dart

@@ -0,0 +1 @@
+export './dart_type_extension.dart';