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If you know Flutter, you know Nocterm. Build terminal UIs with the same patterns—StatefulComponent, setState(), Column, Row, and hot reload.

Installation

dependencies:
  nocterm: ^0.5.1

Quick Start

import 'package:nocterm/nocterm.dart';

void main() {
  runApp(const Counter());
}

class Counter extends StatefulComponent {
  const Counter({super.key});

  @override
  State<Counter> createState() => _CounterState();
}

class _CounterState extends State<Counter> {
  int _count = 0;

  @override
  Component build(BuildContext context) {
    return Focusable(
      focused: true,
      onKeyEvent: (event) {
        if (event.logicalKey == LogicalKey.space) {
          setState(() => _count++);
          return true;
        }
        return false;
      },
      child: Center(
        child: Text('Count: $_count'),
      ),
    );
  }
}

Run with hot reload:

dart --enable-vm-service your_app.dart

Testing

Test your TUI components just like Flutter widgets:

await testNocterm('counter test', (tester) async {
  await tester.pumpComponent(Counter());
  await tester.sendKey(LogicalKey.space);

  expect(tester.terminalState, containsText('Count: 1'));
});

Documentation

See the full documentation for guides on components, state management, testing, and more.

Community

Packages

Package	Description
nocterm_bloc	Bloc state management for Nocterm
nocterm_lints	IDE assists — wrap with, swap, move, convert to stateful/stateless

Built with Nocterm

Project	Description
vide_cli	Multi-agent coding IDE for the terminal
nocterm_3d	Experimental 3D renderer for the terminal
cow	Local LLM chat client powered by llama.cpp
snake	Classic Snake for the command line
minesweeper	Classic Minesweeper for the command line

Built something with Nocterm? Open an issue to get it listed here!

Contributing

Git Hooks

We use hooksman to manage git hooks. To install the hooks, run:

dart run hooksman

License

MIT