export function simpleHash(s: string): number {
  let hash = 0,
    i,
    chr;
  if (s.length === 0) return hash;
  for (i = 0; i < s.length; i++) {
    chr = s.charCodeAt(i);
    hash = ((hash << 5) - hash) + chr;
    hash |= 0; // Convert to 32bit integer
  }
  return hash;
}