code: function (options) {
    var self = this
  
    options = options || {}
    this.logFn = options.logFn || console.log
    this.warnFn = options.warnFn || console.warn
    this.verbosity = options.verbosity || 0
    this.theme = options.theme || DEFAULT_THEME
  
    /*
     * colorise can be set to a function which receives the theme and the
     * operation's defining arguments, and which is expected to return the
     * colorised arguments.
     */
    if (options.colorise === undefined || options.colorise === true) {
      this.colorise = colorise
    } else if (options.colorise) {
      this.colorise = options.colorise
    } else {
      this.colorise = dontColorise
    }
  }
docs: ************************************************************************ /* Console class ************************************************************************