Function onError

packages/shared/src/interceptor.ts:46–62

(
  callback: NoInfer<(
    error: ReturnType<TOptions['next']> extends PromiseWithError<any, infer E> ? E : ThrowableError,
    options: TOptions,
    ...rest: TRest
  ) => Promisable<void>>,
)

 * Can be used for interceptors or middlewares
 */
export function onError<T, TOptions extends { next(): any }, TRest extends any[]>(
  callback: NoInfer<(
    error: ReturnType<TOptions['next']> extends PromiseWithError<any, infer E> ? E : ThrowableError,
    options: TOptions,
    ...rest: TRest
  ) => Promisable<void>>,
): (options: TOptions, ...rest: TRest) => T | Promise<Awaited<ReturnType<TOptions['next']>>> {
  return async (options, ...rest) => {
    try {
      return await options.next()
    }
    catch (error) {
      await callback(error as any, options, ...rest)
      throw error
    }
  }
}

export type OnFinishState<TResult, TError>
  = | [error: TError, data: undefined, isSuccess: false]