`cli-router` help controller

help.js

// JS usando ES6
var chalk = require('chalk');
var CliControllers = require('cli-router').CliControllers;

class Help extends CliControllers.Help {
  index(params, cli) {
    var usage = super.index(params, cli);
    usage = this.colorizeSections(params, usage);
    console.log(usage);
    return 0;
  }

  colorizeSections(params, usage) {
    _.map(this.sections, (section) => {
      var regex = new RegExp(`^(${section}:)`, 'gmi');
      var match = regex.match(usage);
      if (match) {
        usage = usage.replace(regex, chalk.blue(`${match[1]}`));
      }
    });
    return usage;
  }
}

module.exports = Help;