import type { DeepReadonly } from '../Math'
export type { DeepReadonly }

export function deepReadonly<T extends Record<string, unknown>>(
  val: T
): DeepReadonly<T> {
  // Fail only on development due to perf issues
  // if (isProd()) {
  //   return val
  // }

  return Object.freeze({ ...val })
}

export function isNotUndefined<T>(val: T | undefined): val is T {
  return !!val
}