text: "use strict";
  
  const help = require("./help");
  
  module.exports = function(args) {
      let commandName = args._[0];
  
      if ( !commandName ) {
          console.error("please set command: build or dump or watch");
      }
      else {
          console.error(`unknown command "${commandName}"`);
          console.error("please set command: build or dump or watch");
      }
  
      // show help info
      help(args);
  };