cubit_template

A brick created some class template use bloc cubit with freezed.

How to use 🚀

mason make cubit_template -o lib/pages --featureName example

# Generate freezed
flutter pub run build_runner build --delete-conflicting-outputs

Replace example by your feature name; Replace lib/pages by your folder;

Variables for a Config ✨

Outputs 📦

mason make cubit_template -o lib/pages --featureName login

login_cubit.dart

import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:freezed_annotation/freezed_annotation.dart';

part 'login_cubit.freezed.dart';
part 'login_state.dart';

class LoginCubit extends Cubit<LoginState> {
  LoginCubit() : super(const LoginState.initial());
}

login_state.dart

part of 'login_cubit.dart';

@freezed
class LoginState with _$LoginState {
  
  const factory LoginState.initial() = _Initial;

  const factory LoginState.loading() = _Loading;

  const factory LoginState.success() = _Success;

  const factory LoginState.failure({
    @required String errorMessage,
  }) = _Failure;
}

login_page.dart

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';

import 'login_cubit.dart';

part 'login_view.dart';

class LoginPage extends StatelessWidget {
  const LoginPage({super.key});

  @override
  Widget build(BuildContext context) {
    return BlocProvider(
      create: (context) {
        return LoginCubit();
      },
      child: BlocListener<LoginCubit, LoginState>(
        listener: (context, state) {
          state.whenOrNull(failure: (errorMessage) {
            _onShowErrorMessage(context, errorMessage: errorMessage);
          });
        },
        child: _LoginView(),
      ),
    );
  }

  void _onShowErrorMessage(BuildContext context, {
    required String errorMessage,
  }) {
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Text(errorMessage),
        duration: Duration(seconds: 2),
      ),
    );
  }
}

login_view.dart

part of 'login_page.dart';

class _LoginView extends StatefulWidget {
  const _LoginView();

  @override
  _LoginViewState createState() => _LoginViewState();
}

class _LoginViewState extends State<_LoginView> {
  late LoginCubit _loginCubit;

  @override
  void initState() {
    _loginCubit = context.read<LoginCubit>();
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: _buildBody(),
    );
  }

  Widget _buildBody() {
    return BlocBuilder<LoginCubit, LoginState>(
      builder: (context, state) {
        return state.maybeWhen(
          failure: (error) {
            return Text(error);
          },
          orElse: () {
            return Text("login");
          },
        );
      },
    );
  }
}

Setup 🧑‍💻

Ensure you have the mason_cli installed.

# 🎯 Activate from https://pub.dev
dart pub global activate mason_cli

# 🍺 Or install from https://brew.sh
brew tap felangel/mason
brew install mason

Installation ☁️

# Install locally
mason add cubit_template

# Install globally
mason add -g cubit_template

Usage 🚀

mason make cubit_template

Variables ✨

Hooks 🪝

• ❌   Pre-Gen
• ❌   Post-Gen

Environment 🌎

mason: "^0.1.0"

0.1.0+1

• Release cubit template first time

MIT License

Copyright (c) 2025

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.