🌈 RainbowLogger #

RainbowLogger is a vibrant and expressive logger for Flutter and Dart CLI applications.
It enhances your debugging experience with visually distinct logs using emoji, colors, timestamps, and customization.

✨ Features #

• ✅ Predefined log types: error, success, info, warning, log
• 🎨 ANSI terminal coloring mapped from Flutter Colors
• 🕒 Optional timestamps for clear traceability
• 💬 Emoji-based log labeling for instant recognition
• 🧩 Customizable prefix, suffix, and color
• 🔁 Reusable logger instances for consistent usage across files
• 💻 Works seamlessly in Flutter, Dart CLI, VS Code, Android Studio, and IntelliJ

🚀 Getting Started #

📦 Installation #

Add the dependency to your pubspec.yaml:

dependencies:
  rainbow_logger: ^1.0.0

Then run:

flutter pub get

🔌 Import It #

import 'package:rainbow_logger/rainbow_logger.dart';

🧪 Usage #

🔹 Static Logging #

Use predefined static methods for quick logging:

RainbowLogger.errorPrint("❌ Something went wrong!");
RainbowLogger.successPrint("✅ Operation completed successfully.");
RainbowLogger.infoPrint("ℹ️ User has entered the dashboard.");
RainbowLogger.warningPrint("⚠️ This is just a warning.");
RainbowLogger.logPrint(
  "💡 Custom colored log",
  color: Colors.purple,
  prefix: "💡",
  suffix: "✔️",
  showTimestamp: true,
);

🔸 Reusable Logger Instance #

Create a custom logger with consistent behavior:

final logger = RainbowLogger(
  prefix: "🚀",
  suffix: "✅",
  color: Colors.cyan,
  showTimestamp: true,
);

logger.print("Reusable logger in action!");

🎯 Output Example #

[12:00:01] ❌ Something went wrong!
[12:00:01] ✅ Operation completed successfully.
[12:00:01] ℹ️ User has entered the dashboard.
[12:00:01] ⚠️ This is just a warning.
[12:00:01] 💡 Custom colored log ✔️
[12:00:01] 🚀 Reusable logger in action! ✅

✅ Note: ANSI terminal colors render correctly in popular editors and consoles.

📁 File Structure #

rainbow_logger/
├── lib/
│   ├── rainbow_logger.dart        # Core logger class
│   └── rainbow_colors.dart        # Color-to-ANSI mapping logic
├── test/
│   └── rainbow_logger_test.dart   # Test cases
├── README.md                      # You're reading it
├── CHANGELOG.md                   # Version updates
├── LICENSE                        # MIT License
└── pubspec.yaml                   # Package metadata

🧠 Why Choose RainbowLogger? #

• 👀 Visual Clarity: Color-coded and emoji-marked logs improve readability.
• ⏱ Traceability: Timestamps make debugging across events much easier.
• 🧩 Customization: Full control over how your logs appear.
• 💡 Lightweight & Simple: No dependencies outside Flutter SDK.
• 🔄 Reusable Configs: Define logger instances with consistent formats.

🔗 See Also #

Here are some similar or related packages you may want to explore:

• logger – A structured logger with pretty print and trees
• ansicolor – For terminal ANSI styling
• chalkdart – Chainable terminal styling, inspired by JavaScript's Chalk

🛠️ Contributing #

Pull requests are warmly welcome!
You can help improve:

• Logger output formatting
• Color configuration logic
• CLI utility extensions
• Documentation enhancements

Feel free to open issues or submit PRs!

📄 License #

MIT License © 2025 Piyush Kumar

☕ Support #

If you found this package helpful, consider giving it a ⭐ on GitHub!

Happy Logging! 🌈