to-upper-case.js

"use strict";

/*
Converts to upper case any phrase if the -u option is passed.
*/

require ("../lib").createParser ({ once: true })
    .on ("start", function (argv){
      argv.phrase = [];
    })
    .on ("argument", function (argv, argument, ignore){
      argv.phrase.push (argv.u ? argument.toUpperCase () : argument);
      
      //We don't want to store the words into the final object
      ignore ();
    })
    .on ("option", function (argv, option, value, long, ignore){
      //We only need the "-u" option, ignore the rest, if any
      if (option !== "u") ignore ();
    })
    .on ("end", function (argv){
      argv.phrase = argv.phrase.join (" ");
      console.log (argv);
    })
    .allowUndefinedArguments ()
    //If "sort" is enabled, the options are parsed before the arguments
    .sort ()
    .body ()
        .option ({ short: "u" })
    .argv ();

/*
$ node to-upper-case.js this is a sample text with the -u option

{
  u: true,
  phrase: "THIS IS A SAMPLE TEXT WITH THE OPTION"
}
*/