fix: use RequestHeaderMap for TypedRequest (#74)

schiller-manuel · web-flow · commit 1dc94db265ac · 2025-07-31T19:13:57.000+01:00
diff --git a/src/fetch.ts b/src/fetch.ts
@@ -1,4 +1,4 @@
-import type { ResponseHeaderMap } from './http'
+import type { RequestHeaderMap, ResponseHeaderMap } from './http'
 
 export interface TypedHeaders<TypedHeaderValues extends Record<string, string> | unknown> extends Omit<Headers, 'append' | 'delete' | 'get' | 'getSetCookie' | 'has' | 'set' | 'forEach'> {
   /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Headers/append) */
@@ -30,7 +30,7 @@ export interface TypedResponse<Body = unknown, Headers extends Record<string, st
   headers: TypedHeaders<Headers>
 }
 
-export interface TypedRequest<Body = unknown, Headers extends Record<string, string> | unknown = ResponseHeaderMap> extends Omit<Request, 'clone' | 'headers' | 'json'> {
+export interface TypedRequest<Body = unknown, Headers extends Record<string, string> | unknown = RequestHeaderMap> extends Omit<Request, 'clone' | 'headers' | 'json'> {
   clone: () => TypedRequest<Body, Headers>
   json: () => Promise<Body>
   headers: TypedHeaders<Headers>
diff --git a/test/typed-fetch.test-d.ts b/test/typed-fetch.test-d.ts
@@ -203,7 +203,7 @@ describe('TypedRequest', () => {
     expectTypeOf<CreateUserRequest['json']>().returns.toEqualTypeOf<Promise<{ name: string, email: string }>>()
 
     // clone() should return TypedRequest with same header type
-    expectTypeOf<CreateUserRequest['clone']>().returns.toEqualTypeOf<TypedRequest<{ name: string, email: string }, ResponseHeaderMap>>()
+    expectTypeOf<CreateUserRequest['clone']>().returns.toEqualTypeOf<TypedRequest<{ name: string, email: string }, RequestHeaderMap>>()
   })
 
   it('should type request headers correctly', () => {
@@ -278,7 +278,7 @@ describe('TypedRequest', () => {
     type DefaultRequest = TypedRequest
 
     expectTypeOf<DefaultRequest['json']>().returns.toEqualTypeOf<Promise<unknown>>()
-    expectTypeOf<DefaultRequest['headers']>().toEqualTypeOf<TypedHeaders<ResponseHeaderMap>>()
+    expectTypeOf<DefaultRequest['headers']>().toEqualTypeOf<TypedHeaders<RequestHeaderMap>>()
   })
 
   it('should work with schema-defined request headers', () => {
