simple-logger

A simple but colored logger for NodeJS

How to install

npm install @fvilers/simple-logger

or

yarn add @fvilers/simple-logger

How to use

const logger = require('@fvilers/simple-logger');

// Log anything
logger.log('A string', { or: 'any object' }, 'even', new Date(), 'or a boolean', true);

// Log as warning
logger.warn('⚠️', 'Be careful');

// Log as error
logger.error('💣', 'Something went wrong!');

How it works

The library exports a Logger singleton that can be used to write messages to stdout with log() and warn() while it writes to stderr with error().

Context

Sometimes, it's useful to add some context to the messages being logged. You can create your own instance of the Logger class and set its context. This will prefix every message with the specified context.

const { Logger } = require('@fvilers/simple-logger');
const logger = new Logger({ context: 'my logger' });

logger.log('Hey there!'); // This will output: [my logger] Hey, there!

Timestamp

Sometimes, it's useful to add timestamp to the messages being logged. You can create your own instance of the Logger class and set it to prefix every message with the current timestamp.

const { Logger } = require('@fvilers/simple-logger');
const logger = new Logger({ timestamp: true });

logger.log('Hey there!'); // This will output: 2019-03-28T12:32:47.263Z Hey, there!