@ou-imdt/utils/lib/convertNumberToWords.js

Utility library for interactive media development

import numbersToWords from './numbersToWords.js';

/**
 * Converts a given integer into its word representation in English.
 * @param {number} number - The number to convert.
 * @returns {string} The word representation of the number.
 */
export default function convertNumberToWords(number) {
  // if number present in object no need to go further
  if (number in numbersToWords) return numbersToWords[number];

  let words = "";

  if (number >= 100) {

    words += convertNumberToWords(Math.floor(number / 100)) + " hundred";

    number %= 100;
  }
  if (number > 0) {

    if (words !== "") words += " and ";

    if (number < 20) words += numbersToWords[number];
    else {
      words += numbersToWords[Math.floor(number / 10) * 10];
      if (number % 10 > 0) {
        words += "-" + numbersToWords[number % 10];
      }
    }
  }

  return words;
}