nl_tokens: initialize Winston logging mechanism from file
pl_tokens: function fromFile ( filename , callback ) { var configFile = filename || '../config/winston-config.json' ; fs . exists ( configFile , function ( exists ) { if ( exists ) { var winstonConf = require ( configFile ) . logging ; fromJson ( winstonConf , <mask> ) ; } else { callback ( new Error ( 'No config file found (at least provide a config/winston-config.json) with winston configuration' ) , winston ) ; } } ) ; }