Example of console

console.js

/**
 * Custom Logger which only console logs to certain environment
 */
export default class Logger {

  /**
   * window.env var is set in the main yii2 layout
   * If it's not set we default to prod
   */
  constructor(options = {})
  {
    this._console = console

    if( options ) {
      var { env, ignore } = options
    }

    this.env = typeof env !== 'undefined' ? env : typeof window.env !== 'undefined' ? window.env : Logger.endProd

    if( typeof ignore !== 'undefined' ) {
      this.ignore = ignore
    }else{
      this.ignore = Logger.defaultEnvToIgnoreLog
    }

    if( this.ignore.indexOf( this.env ) === -1 ) {
      console.log(`==== Logger: ${this.env}`)
      console.log(`==== Logger Ignore: ${this.ignore.join()}`)
    }

  }

  //Prod is the only set env, by deafult we always ignore prod
  static get envProd() {
    return 'prod'
  }


  static get defaultEnvToIgnoreLog() {
    return [
      Logger.envProd
    ]
  }

  /**
   * Console log only if we aren't flagged as an ignored environment
   */
  log() {
    this.func('log',arguments);
  }

  /**
   * Error message. Add custom logic as needed.
   * Maybe GA error event?
   */
  error() {
    this.func('error',arguments);
  }

  /**
   * Trigger any console function
   * @param functionName
   * @param data
   */
  func(functionName, data) {
    if( this.ignore.indexOf( this.env ) === -1 ){
      this._console[ functionName ](...data)
    }
  }
}