Codewars Challenge: Total Amount Of Points

totalAmountOfPoints.js

// CODEWAR CHALLENGE: Total amount of points
// Kata Link: https://www.codewars.com/kata/5bb904724c47249b10000131

const points = (gamesResultsArr) =>
  gamesResultsArr.reduce((totalPoints, gameResults) => {
    const [team1, team2] = gameResults.split(":").map(Number);
    if (team1 === team2) return totalPoints + 1;
    return totalPoints + (team1 > team2 ? 3 : 0);
  }, 0);

console.log(points(["1:0","2:0","3:0","4:0","2:1","3:1","4:1","3:2","4:2","4:3"])); // 30
console.log(points(["1:1","2:2","3:3","4:4","2:2","3:3","4:4","3:3","4:4","4:4"])); // 10
console.log(points(["0:1","0:2","0:3","0:4","1:2","1:3","1:4","2:3","2:4","3:4"])); // 0
console.log(points(["1:0","2:0","3:0","4:0","2:1","1:3","1:4","2:3","2:4","3:4"])); // 15
console.log(points(["1:0","2:0","3:0","4:4","2:2","3:3","1:4","2:3","2:4","3:4"])); // 12