Basic Object name via Reflection in Dart

dart_mirror.dart

import 'dart:mirrors';

class User {
  final String email;
  final String name;
  const User({required this.email, required this.name});
}

extension DeclarationMirrorExtension on DeclarationMirror {
  /// Name of this object or field
  String get nameOf =>
      RegExp(r'"(.*?)"').firstMatch(simpleName.toString())!.group(1).toString();
}

void main() {
  print('All declared objects');
  reflectClass(User).declarations.forEach((key, value) {
    print(value.nameOf);
  });

  print('\nSpecific declared object');
  print(reflectClass(User).declarations[#email]!.nameOf);

  print('\nOn an object instance');
  var user = User(email: 'james@hotdang.ca', name: 'James Perih');
  print(reflect(user).type.nameOf);

  print('\nOn an object instance field');
  print(reflect(user).type.declarations[#email]!.nameOf);

  print('\nValue through reflection');
  print(reflect(user).getField(#email).reflectee);
}