Pluralize a word!

pluralize.js

const pluralize = word => {
  const wordArr = word.split('')
  const suffix = wordArr.pop()

  switch (suffix) {
    case 's':
    case 'z':
    case 'x':
      return `${wordArr.join('')}${suffix}es`
    case 'y':
      return `${wordArr.join('')}ies`
    default:
      return `${wordArr.join('')}${suffix}s`
  }
}

export default pluralize;