uci-utils-logger/example/example.js

import logger from '../src/logger'
let log = {}

class LogTest {
  constructor(opts) {
    log = logger({
      // pretty: {translateTime:true, colorize:true, levelFirst:true } // options for pino pretty printer
      // env:'', // 'dev' or 'pro' -- can be use to set/override UCI_ENV environment variable
      // enForce: false, // only used with .evn.  if true will override UCI_ENV if it is set, otherwise no
      // level:'info', // info is default level, set level to lowest visible
      // clear: false, // true for log files will clear the current log file on restart
      // logFileName:'test', // if not supplied log filename will be generated from timestamp
      // below properties are optional and are passed to child logger instance and will be part of json log entry
      // libraryName: 'UCI', // will be logged as name:  can be used to identify logs of related packages,  can be set via UCI_LOG_NAME env variable
      appName:'uci-example-logger', //will be used for logging directory name if supplied and will be logged as well
      package: '@uci/logger', // name of package with scope per package.json
      // repo: // will use scope-name from package prop if not supplied
      id: opts.id, // can pass a unique if for easy later search/filtering
      // file: 'example/example.js', // path (to repo root) of actual file running this logger, default is ./src/<package without scope>.js
      class: 'LogTest', // The class that created this logger if any
      // one can pass through additional props to log for every log
      // should not use any keys above or
      //  level,time,msg,pid,hostname
      // logPath,instanceCreatedHR,instanceCreated as keys will be merged
      // NOTE: more props can be added at run time by passing an object of props
      additional: {anotherprop:'test'} // should do not use any keys above or 'level,logPath,package,instanceCreatedHR,instanceCreated' as keys will be merged
    })
  }

  logit() {
    log.trace('this is a trace level logged message')
    log.debug('this is a debug level logged message')
    log.info({runtimeprop:'somevalue', msg:'this is a info level logged message'})
    log.warn('this is a warn level logged message')
    log.error('this is a error level logged message')
    log.fatal('this is a fatal level logged message')
    log.clear('This would clear the log')
  }

}

let test = new LogTest({id:'logtest-via-new'})

test.logit()