Refactor

lib/esc_pos_printer.dart

@@ -6,5 +6,5 @@
  */
 library esc_pos_printer;
 
-export './src/printer.dart';
 export './src/enums.dart';
+export './src/printer.dart';

lib/src/enums.dart

@@ -3,31 +3,31 @@ enum PosCutMode { full, partial }
 enum PosFontType { fontA, fontB }
 
 class PosTextSize {
-  final int value;
   const PosTextSize._internal(this.value);
-  static const size1 = const PosTextSize._internal(1);
-  static const size2 = const PosTextSize._internal(2);
-  static const size3 = const PosTextSize._internal(3);
-  static const size4 = const PosTextSize._internal(4);
-  static const size5 = const PosTextSize._internal(5);
-  static const size6 = const PosTextSize._internal(6);
-  static const size7 = const PosTextSize._internal(7);
-  static const size8 = const PosTextSize._internal(8);
+  final int value;
+  static const size1 = PosTextSize._internal(1);
+  static const size2 = PosTextSize._internal(2);
+  static const size3 = PosTextSize._internal(3);
+  static const size4 = PosTextSize._internal(4);
+  static const size5 = PosTextSize._internal(5);
+  static const size6 = PosTextSize._internal(6);
+  static const size7 = PosTextSize._internal(7);
+  static const size8 = PosTextSize._internal(8);
 
   static int decSize(PosTextSize height, PosTextSize width) =>
       16 * (width.value - 1) + (height.value - 1);
 }
 
 class PosBeepDuration {
-  final int value;
   const PosBeepDuration._internal(this.value);
-  static const beep50ms = const PosBeepDuration._internal(1);
-  static const beep100ms = const PosBeepDuration._internal(2);
-  static const beep150ms = const PosBeepDuration._internal(3);
-  static const beep200ms = const PosBeepDuration._internal(4);
-  static const beep250ms = const PosBeepDuration._internal(5);
-  static const beep300ms = const PosBeepDuration._internal(6);
-  static const beep350ms = const PosBeepDuration._internal(7);
-  static const beep400ms = const PosBeepDuration._internal(8);
-  static const beep450ms = const PosBeepDuration._internal(9);
+  final int value;
+  static const beep50ms = PosBeepDuration._internal(1);
+  static const beep100ms = PosBeepDuration._internal(2);
+  static const beep150ms = PosBeepDuration._internal(3);
+  static const beep200ms = PosBeepDuration._internal(4);
+  static const beep250ms = PosBeepDuration._internal(5);
+  static const beep300ms = PosBeepDuration._internal(6);
+  static const beep350ms = PosBeepDuration._internal(7);
+  static const beep400ms = PosBeepDuration._internal(8);
+  static const beep450ms = PosBeepDuration._internal(9);
 }

test/esc_pos_printer_test.dart

-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:esc_pos_printer/esc_pos_printer.dart';
+// import 'package:flutter_test/flutter_test.dart';
+// import 'package:esc_pos_printer/esc_pos_printer.dart';
 
 void main() {
   // test('adds one to input values', () {