Function compareKeys

packages/db-ivm/src/utils.ts:185–194

(a: string | number, b: string | number)

 * Handles mixed types by ordering strings before numbers.
 */
export function compareKeys(a: string | number, b: string | number): number {
  // Same type: compare directly
  if (typeof a === typeof b) {
    if (a < b) return -1
    if (a > b) return 1
    return 0
  }
  // Different types: strings come before numbers
  return typeof a === `string` ? -1 : 1
}

/**
 * Serializes a value for use as a key, handling BigInt and Date values that JSON.stringify cannot handle.