text: const chalk = require('chalk')
  const format = require('util').format
  
  /**
   * Prefix.
   */
  
  const prefix = '   jmock'
  const sep = chalk.gray('·')
  
  /**
   * Log a `message` to the console.
   *
   * @param {String} message
   */
  
  exports.log = function (...args) {
      const msg = format.apply(format, args)
      console.log(chalk.white(prefix), sep, msg)
  }
  
  /**
   * Log an error `message` to the console and exit.
   *
   * @param {String} message
   */
  
  exports.fatal = function (...args) {
      if (args[0] instanceof Error) args[0] = args[0].message.trim()
      const msg = format.apply(format, args)
      console.error(chalk.red(prefix), sep, msg)
      process.exit(1)
  }
  
  /**
   * Log a success `message` to the console and exit.
   *
   * @param {String} message
   */
  
  exports.success = function (...args) {
      const msg = format.apply(format, args)
      console.log(chalk.white(prefix), sep, msg)
  }
  