/**
 * removes the numbers at the end of a filename. E.g. "picture88" becomes "picture"
 */
export const withoutNumbersSuffix = (filename: string) => {
  const reverse = filename.split("").reverse();
  const firstLetterIndex = reverse.findIndex((letter) => isNaN(Number(letter)));
  if (firstLetterIndex === 0) {
    // no numbers at the end
    return filename;
  }
  const withoutNumbers = reverse.slice(firstLetterIndex).reverse().join("");
  return withoutNumbers;
};