formatExcerpt - to ramda or not to ramda

format.js

export function formatExcerpt (text) {
  if (!text) return

  if (text.length < config.textExcerptLength) {
    return text
  }

  // cut length and remove last word
  return text
    .substr(0, config.textExcerptLength)
    .split(' ')
    .slice(0, -1)
    .join(' ') + ' …'
}



const isShort = pipe(length, lt(__, config.textExcerptLength))
const cutLength = pipe(split(''), slice(0, config.textExcerptLength), join(''))
const withoutLastWord = pipe(split(' '), slice(0, -1), join(' '))

export const formatExcerpt = unless(
  either(isNil, isShort),
  pipe(cutLength, withoutLastWord, add(__, ' …'))
)