return-style/src/functions/get-error-async-iterable.ts

Non-intrusively convert the result of any function or promise to the user's desired style.

import { pass } from '@blackglory/prelude'

export async function getErrorAsyncIterable<E = Error>(
  iterable: AsyncIterable<unknown>
): Promise<E | undefined> {
  try {
    for await (const _ of iterable) {
      pass()
    }
  } catch (err) {
    return err as E
  }
}