class HashCalculator {
  public static calcHash(source: string): number {
    let hash = 0;
    if (source.length === 0) {
      return hash;
    }
    for (let i = 0; i < source.length; i++) {
      const char = source.charCodeAt(i);
      hash = ((hash << 5) - hash) + char;
      hash = hash & hash; // Convert to 32bit integer
    }
    return hash;
  }
}

export default HashCalculator;