From cbcd0681d37839f93fc7f3f106d34e3f01d2ac84 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Wed, 14 Dec 2022 13:34:51 +0000
Subject: [PATCH] fix: accept both upper/lower-case methods (#752)

---
 src/types/fetch.ts    | 6 +++---
 test/fixture/types.ts | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/types/fetch.ts b/src/types/fetch.ts
index b22a34a8f7..fa2df9f2e2 100644
--- a/src/types/fetch.ts
+++ b/src/types/fetch.ts
@@ -51,7 +51,7 @@ export type AvailableRouterMethod<R extends NitroFetchRequest> =
 // This overrides the default, which is only narrowed to a string.
 export interface NitroFetchOptions<R extends NitroFetchRequest>
   extends FetchOptions {
-  method?: AvailableRouterMethod<R>;
+  method?: Uppercase<AvailableRouterMethod<R>> | AvailableRouterMethod<R>;
 }
 
 // Extract the route method from options which might be undefined or without a method parameter.
@@ -60,8 +60,8 @@ export type ExtractedRouteMethod<
   O extends NitroFetchOptions<R>
 > = O extends undefined
   ? "get"
-  : O["method"] extends RouterMethod
-  ? O["method"]
+  : Lowercase<O["method"]> extends RouterMethod
+  ? Lowercase<O["method"]>
   : "get";
 
 export interface $Fetch<
diff --git a/test/fixture/types.ts b/test/fixture/types.ts
index 3a35575ad6..1b2c53d184 100644
--- a/test/fixture/types.ts
+++ b/test/fixture/types.ts
@@ -182,13 +182,13 @@ describe("API routes", () => {
       Promise<"Index post">
     >();
     expectTypeOf(
-      $fetch("/api/methods/default", { method: "get" })
+      $fetch("/api/methods/default", { method: "GET" })
     ).toMatchTypeOf<Promise<"Default route">>();
     expectTypeOf(
-      $fetch("/api/methods/default", { method: "put" })
+      $fetch("/api/methods/default", { method: "PUT" })
     ).toMatchTypeOf<Promise<"Default route">>();
     expectTypeOf(
-      $fetch("/api/methods/default", { method: "post" })
+      $fetch("/api/methods/default", { method: "POST" })
     ).toMatchTypeOf<Promise<"Default override">>();
   });
 });