Function optionalNumber

packages/shared/src/editmode.ts:244–248

(value: Record<string, unknown>, key: string)

}

function optionalNumber(value: Record<string, unknown>, key: string): number | null | undefined {
  if (!hasOwn(value, key)) return undefined;
  const raw = value[key];
  return typeof raw === 'number' ? raw : null;
}

function isStringArray(value: unknown[]): value is string[] {
  return value.every((option) => typeof option === 'string');