function dec2hex (dec: number) {
    return dec < 10
      ? '0' + String(dec)
      : dec.toString(16);
  }

export function generateUniqueId(length: number) {
    const arr = new Uint8Array((length || 40) / 2);
    crypto.getRandomValues(arr);
    return Array.from(arr, dec2hex).join('');
}

export function generateUniqueCellId() {
    return "cell-" + generateUniqueId(12);
}