Easyship Test

easyship-test.js

const getLongestWord = (string) => {
  let maxLength = 0;
  return Object.entries(string
    .replaceAll(/\n/g, ' ')
    .split(' ')
    .map((word) => {
      return word.replaceAll(/[^a-zA-Z]/g, '');
    })
    .filter(Boolean)
    .reduce((hash, word) => {
      maxLength = Math.max(word.length, maxLength);
      if (word in hash) {
        hash[word] += 1;
      } else hash[word] = 1;
      
      return hash;
    }, {}))
    .reduce((result, [ word, count ]) => {
      if (word.length === maxLength) result.push({word, count});
      return result;
    }, [])
}