insight-bitcore-api/lib/logger.js

An open-source bitcoin blockchain API. The Insight API provides you with a convenient, powerful and simple way to query and broadcast data on the bitcoin network and build your own services with it.

var winston = require('winston');
var config = require('../config/config');

var logger = new winston.Logger({
  transports: [
    new winston.transports.Console({
      level: 'error'
    }),
  ]
});
logger.transports.console.level = config.loggerLevel;

module.exports.logger = logger;