exercism/javascript/roman-numerals/roman-numerals.js

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2018-09-26 12:26:28 -04:00
const toRoman = function (number) {
const numerals = { M: 1000, CM: 900, D: 500, CD: 400, C: 100, XC: 90, L: 50, XL: 40, X: 10, IX: 9, V: 5, IV: 4, I: 1 };
let roman = '';
for (const n in numerals) {
const value = Math.floor(number / numerals[n]);
if (value > 0) {
roman += n.repeat(value);
number -= (value * numerals[n]);
}
}
return roman;
};
export default toRoman;