tdc-js-modules/utils/capitalize.ts

const capitalize = (s: string) => {
  if (!s) {
    return '';
  }
  const char_0 = s.charAt(0);
  const char_1 = s.charAt(1);
  if (char_0 && char_1) {
    return s.charAt(0).toUpperCase() + s.slice(1).toLocaleLowerCase();
  } else {
    return s;
  }
};

const capitalizeAllWords = (str: string) => {
  var splitStr = str
    .toString()
    .toLowerCase()
    .split(' ');
  for (var i = 0; i < splitStr.length; i++) {
    // You do not need to check if i is larger than splitStr length, as your for does that for you
    // Assign it back to the array
    splitStr[i] = splitStr[i].charAt(0).toUpperCase() + splitStr[i].substring(1);
  }
  // Directly return the joined string
  return splitStr.join(' ');
};
export { capitalize, capitalizeAllWords };