lib/utils/autocomplete.js/getSuggestions
const getSuggestions = (commands) => {
  tab.on(name, (data, done) => {
    if (data.words === 1) {
      done(null, Object.keys(commands));
    } else {
      done(null, []);
    }
  });

  Object.keys(commands).forEach(command => {
    tab.on(command, (data, done) => {
      done(null, commands[command]);
    });
  });

  tab.start();
};