Function generateId

packages/utils/src/id.ts:9–22

()

 * to `crypto.getRandomValues()`, which does not require a secure context.
 */
export function generateId(): string {
  if (typeof crypto !== 'undefined' && typeof crypto.randomUUID === 'function') {
    return crypto.randomUUID()
  }

  const bytes = new Uint8Array(16)
  crypto.getRandomValues(bytes)

  bytes[6] = (bytes[6] & 0x0f) | 0x40
  bytes[8] = (bytes[8] & 0x3f) | 0x80

  const hex = Array.from(bytes, (b) => b.toString(16).padStart(2, '0')).join('')
  return `${hex.slice(0, 8)}-${hex.slice(8, 12)}-${hex.slice(12, 16)}-${hex.slice(16, 20)}-${hex.slice(20)}`
}

const UUID_RE = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i