clrsole

Colorful console.log for structured logging
A logging utility with log levels and color highlighting inspired by log4j

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Features

• 🎨 Colorized output: Green/Red/Yellow/Blue for different message types
• 📝 6-level logging: trace/debug/info/warn/error/fatal
• 🛠 Flexible formatting: Customize log message templates
• 🌐 TypeScript support: Full type definitions included

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Installation

npm

npm add clrsole

pnpm

pnpm add clrsole

yarn

yarn add clrsole

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Getting Started

Basic Usage

import { factory, clrsole } from 'clrsole';

// Create named logger
const appLogger = factory.getLogger('app');

// Structured logging with level indicators
appLogger.info('User login success:', { userId: 123, timestamp: new Date() });
appLogger.error('Request failed:', { statusCode: 500 });

// Direct color output
clrsole.green('Success message');
clrsole.red('Error occurred', new Error('Detailed error'));

Output Example

\x1b[32m[2023-08-01 10:00:00.620+08:00] [INFO] [app] - User login success: { userId: 123, ... }\x1b[0m
\x1b[31m[2023-08-01 10:01:00.620+08:00] [ERROR] [app] - Request failed: { statusCode: 500 }\x1b[0m

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Advanced Features

Level Control

// Only log warnings and above
appLogger.level = 'WARN';