fix(typescript): Mark next function argument in middleware as optional

wolfy1339 · gr2m · commit 81a1e4b70748 · 2019-03-29T13:53:20.000-07:00
diff --git a/index.d.ts b/index.d.ts
@@ -3878,7 +3878,7 @@ declare class Webhooks {
   public middleware(
     request: http.IncomingMessage,
     response: http.ServerResponse,
-    next: (err?: any) => void
+    next?: (err?: any) => void
   ): void | Promise<void>;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -3878,7 +3878,7 @@ declare class Webhooks {`
`3878`	`3878`	`public middleware(`
`3879`	`3879`	`request: http.IncomingMessage,`
`3880`	`3880`	`response: http.ServerResponse,`
`3881`		`- next: (err?: any) => void`
	`3881`	`+ next?: (err?: any) => void`
`3882`	`3882`	`): void \| Promise<void>;`
`3883`	`3883`	`}`
`3884`	`3884`