Lucent Logo

Lucent is a powerful and expressive terminal styling library for Dart, inspired by Python's Rich. It allows you to style terminal output with ease, supporting nested styles, truecolor, and intelligent fallbacks for terminals with limited capabilities.

Lucent Example Screenshot

✨ Features

  • Rich Markup Syntax – Use tags like [bold red]Error:[/] for styled output.
  • Truecolor Support – Use 24-bit RGB with [color(#ff33aa)] or [on rgb(255, 255, 0)].
  • 256-Color & 4-Bit Fallbacks – Automatically converts to nearest match based on terminal.
  • Named Colors – CSS-like color names: [color(tomato)], [on slategray], etc.
  • Style Nesting – Combine [bold underline red] and more.
  • Dumb Terminal Detection – Automatically disables styling for TERM=dumb.
  • Manual Styling Control – Enable/disable styling and silence warnings.

🚀 Getting Started

Installation

Add to pubspec.yaml:

dependencies:
  lucent: ^0.1.0

Then install:

dart pub get

Basic Usage

import 'package:lucent/lucent.dart';

void main() {
  Console.print('[bold green]Success:[/] Operation completed.');
}

🎨 Advanced Styling

Nested Styles

Console.print('[bold red]Error: [underline]File not found[/][/]');

Truecolor (24-bit)

Console.print('[color(#ff33aa)]Pink Text[/]');
Console.print('[on rgb(255, 255, 0)]Yellow Background[/]');

Named Colors

Console.print('[color(tomato)]Tomato Text[/]');
Console.print('[on slategray]Slate Gray Background[/]');

🧠 Terminal Compatibility

Lucent automatically detects and adapts to the terminal:

Terminal Output
TERM=dumb No styling (safe)
4-bit (ANSI) 16 colors
8-bit (xterm-256) 256-color palette
Truecolor Full 24-bit RGB

Manually override behavior:

enableStyling();       // Force styling on
disableStyling();      // Disable all styling
silentMode();          // Suppress warnings

📦 API Reference

  • Console.print(String markup)
  • enableStyling([bool enabled = true])
  • disableStyling()
  • silentMode()

🧪 Examples

Console.print('[bold blue]Info:[/] App started');
Console.print('[italic yellow]Warning:[/] Low disk space');
Console.print('[underline red]Error:[/] Connection failed');

Console.print('[color(#00ffaa) on #222222] Custom truecolor text [/]');
Console.print('[bold color(tomato) on gold] Tasty styled message [/]');

Lucent is inspired by the Rich Python library.

Libraries

lucent