zeronet-common/src/logger/index.js

Common ZeroNet modules

'use strict'

const bunyan = require('bunyan')

const host = require('os').hostname()
const merge = require('merge-recursive')

function Logger (config) {
  return function logger (opt) {
    if (typeof opt !== 'object') {
      opt = {
        name: opt
      }
    }
    opt = merge(opt, config)
    opt.name = 'zeronet:' + opt.name
    if (process.env.LOGGER_NAME) opt.hostname = process.env.LOGGER_NAME + '@' + host
    let log = bunyan.createLogger(opt)
    let self = log.info.bind(log)
    self.logger = log
    log.level(0)

    function createFunction (type) {
      self[type] = log[type].bind(log)
    }

    createFunction('info')
    self.log = self.info
    createFunction('warn')
    createFunction('error')
    createFunction('debug')
    createFunction('trace')
    createFunction('fatal')
    return self
  }
}
module.exports = Logger