From f9fd391db6869ce49fd1a172339f80ab2fbdf269 Mon Sep 17 00:00:00 2001
From: wolfy1339 <webmaster@wolfy1339.com>
Date: Mon, 26 Apr 2021 12:14:21 -0400
Subject: [PATCH] fix: adapt code for `aggregate-error@v4`

---
 src/event-handler/receive.ts       |  1 -
 src/middleware/node/get-payload.ts |  1 -
 src/middleware/node/middleware.ts  |  3 ++-
 src/types.ts                       | 18 +-----------------
 test/typescript-validate.ts        |  2 +-
 5 files changed, 4 insertions(+), 21 deletions(-)

diff --git a/src/event-handler/receive.ts b/src/event-handler/receive.ts
index 0652f5ae..f5af8984 100644
--- a/src/event-handler/receive.ts
+++ b/src/event-handler/receive.ts
@@ -1,4 +1,3 @@
-// @ts-ignore to address #245
 import AggregateError from "aggregate-error";
 import type {
   EmitterWebhookEvent,
diff --git a/src/middleware/node/get-payload.ts b/src/middleware/node/get-payload.ts
index 29e7a45f..13f37d65 100644
--- a/src/middleware/node/get-payload.ts
+++ b/src/middleware/node/get-payload.ts
@@ -1,5 +1,4 @@
 import { WebhookEvent } from "@octokit/webhooks-types";
-// @ts-ignore to address #245
 import AggregateError from "aggregate-error";
 
 // remove type imports from http for Deno compatibility
diff --git a/src/middleware/node/middleware.ts b/src/middleware/node/middleware.ts
index 319e1732..1f6a9731 100644
--- a/src/middleware/node/middleware.ts
+++ b/src/middleware/node/middleware.ts
@@ -80,7 +80,8 @@ export async function middleware(
 
     if (didTimeout) return;
 
-    const statusCode = Array.from(error as WebhookEventHandlerError)[0].status;
+    const statusCode = Array.from((error as WebhookEventHandlerError).errors)[0]
+      .status;
     response.statusCode = typeof statusCode !== "undefined" ? statusCode : 500;
     response.end(error.toString());
   }
diff --git a/src/types.ts b/src/types.ts
index b9b3978a..9e0681a6 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,4 +1,5 @@
 import { RequestError } from "@octokit/request-error";
+import AggregateError from "aggregate-error";
 import type {
   WebhookEventMap,
   WebhookEventName,
@@ -53,20 +54,3 @@ export type WebhookError = Error & Partial<RequestError>;
 export interface WebhookEventHandlerError extends AggregateError<WebhookError> {
   event: EmitterWebhookEvent;
 }
-
-/**
- * Workaround for TypeScript incompatibility with types exported by aggregate-error.
- * Credit: https://git.io/JUEEr
- * @copyright Sindre Sorhus
- * @license MIT (https://git.io/JUEEK)
- * @see https://github.com/octokit/webhooks.js/pull/270/files
- */
-declare class AggregateError<T extends Error = Error>
-  extends Error
-  implements Iterable<T>
-{
-  readonly name: "AggregateError";
-  constructor(errors: ReadonlyArray<T | { [key: string]: any } | string>);
-
-  [Symbol.iterator](): IterableIterator<T>;
-}
diff --git a/test/typescript-validate.ts b/test/typescript-validate.ts
index 055a80d5..cc8762dd 100644
--- a/test/typescript-validate.ts
+++ b/test/typescript-validate.ts
@@ -172,7 +172,7 @@ export default async function () {
 
   webhooks.onError((error) => {
     console.log(error.event.name);
-    const [firstError] = Array.from(error);
+    const [firstError] = Array.from(error.errors);
     console.log(firstError.status);
     console.log(firstError.headers);
     console.log(firstError.request);