text: const toUpFirst = (str) => {
      return str[0].toUpperCase() + str.slice(1, str.length);
  };
  
  const toCamelCase = (str) => {
      const camelCaseStr = str.split(' ')
          .map((word) => {
              return toUpFirst(word.toLowerCase());
          })
          .join('');
  
      return camelCaseStr[0].toLowerCase() + camelCaseStr.slice(1);
  };
  
  module.exports = toCamelCase;
  