fix request body type being ignored

Author: fedorg

src/types.ts

@@ -18,8 +18,7 @@ export type OpArgType<OP> = OP extends {
     path?: infer P
     query?: infer Q
     body?: infer B
-    header?: unknown // ignore
-    cookie?: unknown // ignore
+    [k: string]: any
   }
   // openapi 3
   requestBody?: {

test/stations.test.ts

@@ -0,0 +1,16 @@
+import { OpArgType } from '../src'
+
+import { components, paths } from './examples/stations'
+type Op = paths['/stations']['post']
+type Argument = components['schemas']['CreateStation']
+
+type InferredArgument = OpArgType<Op>
+
+type Same<A, B> = A extends B ? (B extends A ? true : false) : false
+
+describe('infer', () => {
+  it('argument', () => {
+    const same: Same<Argument, InferredArgument> = true
+    expect(same).toBe(true)
+  })
+})