hypertune/src/shared/helpers/nanThrows.ts

[Hypertune](https://www.hypertune.com/) is the most flexible platform for feature flags, A/B testing, analytics and app configuration. Built with full end-to-end type-safety, Git-style version control and local, synchronous, in-memory flag evaluation. Opt

export default function nanThrows<T extends number | Date>(
  x: T,
  error: string | Error
): T {
  if (Number.isNaN(x instanceof Date ? x.getTime() : x)) {
    throw error instanceof Error ? error : new Error(error);
  }
  return x;
}