lib/utils/getCommandSuggestion.js/getCollectCommandWords
const getCollectCommandWords = (commandObject, commandWordsArray) => {
  let wordsArray =
    _.isArray(commandWordsArray) && !_.isEmpty(commandWordsArray) ? commandWordsArray : [];
  _.forEach(commandObject, (commandChildObject, commandChildName) => {
    wordsArray.push(commandChildName);
    if (commandChildObject.commands) {
      wordsArray = getCollectCommandWords(commandChildObject.commands, wordsArray);
    }
  });
  return _.uniq(wordsArray);
};