@dillonstreator/litelogger

0 dependency, super lightweight logging utility providing log levels, colors, and formatted JSON.

Installation

npm install @dillonstreator/litelogger

Usage

const logger = require('@dillonstreator/litelogger')();

logger.debug('debugging something...'); // process.env.DEBUG = true
logger.info('informative log here...');
logger.warn('warning... warning...');
logger.error('Error has occurred');

//outputs...

Config (optional)

property	type	values	default	description
prefix	string	any	null	insert this string value after the output's date and before the log value (example below)
suppressTrace	boolean	true/false	false	specifies whether or not the logger should output the stack trace of any Error object that is passed (example below)

Levels

level	color	description
debug	magenta	process.env.DEBUG MUST be set to true for logging at this level
info	cyan	n/a
warn	yellow	n/a
error	red	n/a

Usage cont.

prefixing

const prefixedLogger = require('@dillonstreator/litelogger')({prefix:'Ima Prefix'});

prefixedLogger.info('information with a prefix');

// outputs...

---

suppressTrace

const suppressedLogger = require('@dillonstreator/litelogger')({suppressTrace:true});
const nonSuppressedLogger = require('@dillonstreator/litelogger')();

const error = new Error('big failure!');

suppressedLogger.error(error);
nonSuppressedLogger.error(error);

// outputs...

---

pretty printing

const logger = require('@dillonstreator/litelogger')();

logger.debug(
    'Thing one', { 'thing': 'one' },
    'Thing two', { 'works with': { 'nested': 'objects' } },
    'Thing three', { 'works with': { 'arrays': [1, 2, 3] } }
);

// outputs...