Given a list of words and a dictionary of letter scores, find the word with the highest score according to the rules.

scoreWordGame.js

/*
 Given a list of words and a dictionary of letter scores, find the word with the highest score
 according to the rules: score = word_length * (sum of letter scores in the word).
 If there are multiple words with the same highest score, 
 return the lexicographically smallest one. 
*/

const wordList = ["apple", "banana", "cherry", "date", "fig"];

const letterScores = [...Array(26).keys()].reduce(
  (scores, i) => ((scores[String.fromCharCode(97 + i)] = i + 1), scores),
  {}
);

function scoreWordGame(words, letterObj) {
  // Sort the array lexicographically
  words.sort(function (a, b) {
    return a.localeCompare(b);
  });

  let wordNumbers = [];
  for (let i = 0; i < words.length; i++) {
    let total = 0;
    for (const letter of words[i]) {
      total += letterObj[letter];
    }
    wordNumbers.push(total);
    total = 0;
  }
  const maxNum = Math.max(...wordNumbers);
  const largest = wordNumbers.indexOf(maxNum);

  return words[largest];
}

const example = scoreWordGame(wordList, letterScores);
console.log(example);