From 41ab4b029d225901b7369d88fb29b64f6c217dda Mon Sep 17 00:00:00 2001
From: 3w36zj6 <52315048+3w36zj6@users.noreply.github.com>
Date: Sun, 28 Jul 2024 18:18:49 +0900
Subject: [PATCH] fix(graphql-server): add type to Middleware Handler (#667)

* fix(graphql-server): add type to Middleware Handler

* chore: add changeset
---
 .changeset/soft-donuts-mix.md        | 5 +++++
 packages/graphql-server/src/index.ts | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/soft-donuts-mix.md

diff --git a/.changeset/soft-donuts-mix.md b/.changeset/soft-donuts-mix.md
new file mode 100644
index 00000000..87f60b42
--- /dev/null
+++ b/.changeset/soft-donuts-mix.md
@@ -0,0 +1,5 @@
+---
+'@hono/graphql-server': patch
+---
+
+fix: add type to Middleware Handler
diff --git a/packages/graphql-server/src/index.ts b/packages/graphql-server/src/index.ts
index 6e6cbe31..fdf0cdb5 100644
--- a/packages/graphql-server/src/index.ts
+++ b/packages/graphql-server/src/index.ts
@@ -17,7 +17,7 @@ import type {
   GraphQLFormattedError,
 } from 'graphql'
 
-import type { Context, Env, Input } from 'hono'
+import type { Context, Env, Input, MiddlewareHandler } from 'hono'
 import { parseBody } from './parse-body'
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -40,7 +40,7 @@ type Options<E extends Env = any, P extends string = any, I extends Input = {}>
 export const graphqlServer = <E extends Env = any, P extends string = any, I extends Input = {}>(
   // eslint-enable-next-line @typescript-eslint/no-explicit-any
   options: Options<E, P, I>
-) => {
+): MiddlewareHandler => {
   const schema = options.schema
   const pretty = options.pretty ?? false
   const validationRules = options.validationRules ?? []