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/examples/stations.ts

@@ -0,0 +1,88 @@
+/**
+ * This file was auto-generated by openapi-typescript.
+ * Do not make direct changes to the file.
+ */
+
+export interface paths {
+  "/stations": {
+    post: operations["create_station_stations_post"];
+  };
+}
+
+export interface components {
+  schemas: {
+    /** CreateStation */
+    CreateStation: {
+      /** Name */
+      name: string;
+      /** Comment */
+      comment?: string;
+    };
+    /** HTTPValidationError */
+    HTTPValidationError: {
+      /** Detail */
+      detail?: components["schemas"]["ValidationError"][];
+    };
+    /** Station */
+    Station: {
+      /** Id */
+      id: number;
+      /** Name */
+      name?: string;
+      /** Comment */
+      comment?: string;
+      /**
+       * Created At
+       * Format: date-time
+       */
+      created_at: string;
+      /**
+       * Updated At
+       * Format: date-time
+       */
+      updated_at?: string;
+      /** Api Key */
+      api_key: string;
+    };
+    /** ValidationError */
+    ValidationError: {
+      /** Location */
+      loc: string[];
+      /** Message */
+      msg: string;
+      /** Error Type */
+      type: string;
+    };
+  };
+}
+
+export interface operations {
+  create_station_stations_post: {
+    parameters: {
+      header: {
+        "user-jwt"?: string;
+      };
+    };
+    responses: {
+      /** Successful Response */
+      200: {
+        content: {
+          "application/json": components["schemas"]["Station"];
+        };
+      };
+      /** Validation Error */
+      422: {
+        content: {
+          "application/json": components["schemas"]["HTTPValidationError"];
+        };
+      };
+    };
+    requestBody: {
+      content: {
+        "application/json": components["schemas"]["CreateStation"];
+      };
+    };
+  };
+}
+
+export interface external {}

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)
+  })
+})