Function camelcase

lib/option.js:316–320

* Convert string from kebab-case to camelCase. * * @param {string} str * @return {string} * @private

(str)

 */

function camelcase(str) {
  return str.split('-').reduce((str, word) => {
    return str + word[0].toUpperCase() + word.slice(1);
  });
}

/**
 * Split the short and long flag out of something like '-m,--mixed <value>'