tupleson/lib/internals/mapOrReturn.d.mts

A hackable JSON serializer/deserializer

/**
 * Maps over an object or array, returning a new object or array with the same keys.
 * If the input is not an object or array, the input is returned.
 */
declare function mapOrReturn(input: unknown, fn: (val: unknown, key: number | string) => unknown): unknown;

export { mapOrReturn };