thefp-logger v1.0.2

logger

common library to log in a standard format to stdout and stderr.

usage

const Logger = require('fondation-patrimoine/logger');
const logger = new Logger(__filename);

// simple string log
logger.trace('hello');
logger.debug('hello');
logger.info('hello');
logger.warn('hello');
logger.error('hello');

// advanced logging
logger.info({
  httpCode: 403,
  message: 'Forbidden to create book',
  error : new Error('a very odd error occurred'),
  correlationId: 'ddcdcf3b991c94152ef0fe95b1e549c734438ec5',
});

Log level

default

default log level is 'INFO'

environment variable

to set log level from an env variable, define LOG_LEVEL

runtime

to set log level at runtime :

logger.setLevel('DEBUG');