text: module.exports = function (command, callback) {
    const commands = typeof command === 'object' && !(command instanceof RegExp)
      ? command : [ command ]
  
    commands
      .map((command) => {
        return command instanceof RegExp
          ? (command.toString().split('/')[2] ? command : new RegExp(command.toString().split('/')[1], 'i'))
          : new RegExp(command, 'i')
      })
      .forEach((command) => {
        this.actions.hears.push({
          command,
          callback
        })
      })
  
    return this
  }
  