Function type

packages/contract/src/schema.ts:25–39

(...[map]: TypeRest<TInput, TOutput>)

 * @see {@link https://orpc.dev/docs/procedure#type-utility Type Utility Docs}
 */
export function type<TInput, TOutput = TInput>(...[map]: TypeRest<TInput, TOutput>): Schema<TInput, TOutput> {
  return {
    '~standard': {
      vendor: 'custom',
      version: 1,
      async validate(value) {
        if (map) {
          return { value: await map(value as TInput) as TOutput }
        }

        return { value: value as TOutput }
      },
    },
  }
}