test(client): updates snapshots

Author: Fransis Young

packages/openapi-ts-tests/main/test/__snapshots__/2.0.x/body-response-text-plain/client/client.gen.ts

@@ -228,7 +228,8 @@ export const createClient = (config: Config = {}): Client => {
       return options.body;
     }
 
-    return null;
+    // no body was provided
+    return undefined;
   }
 
   const makeMethodFn =

packages/openapi-ts-tests/main/test/__snapshots__/2.0.x/form-data/client/client.gen.ts

@@ -228,7 +228,8 @@ export const createClient = (config: Config = {}): Client => {
       return options.body;
     }
 
-    return null;
+    // no body was provided
+    return undefined;
   }
 
   const makeMethodFn =

packages/openapi-ts-tests/main/test/__snapshots__/2.0.x/plugins/@hey-api/client-fetch/sdk-nested-classes-instance/client/client.gen.ts

@@ -228,7 +228,8 @@ export const createClient = (config: Config = {}): Client => {
       return options.body;
     }
 
-    return null;
+    // no body was provided
+    return undefined;
   }
 
   const makeMethodFn =

packages/openapi-ts-tests/main/test/__snapshots__/2.0.x/plugins/@hey-api/client-fetch/sdk-nested-classes/client/client.gen.ts

@@ -228,7 +228,8 @@ export const createClient = (config: Config = {}): Client => {
       return options.body;
     }
 
-    return null;
+    // no body was provided
+    return undefined;
   }
 
   const makeMethodFn =

packages/openapi-ts-tests/main/test/__snapshots__/2.0.x/plugins/@hey-api/sdk/default/client/client.gen.ts

@@ -228,7 +228,8 @@ export const createClient = (config: Config = {}): Client => {
       return options.body;
     }
 
-    return null;
+    // no body was provided
+    return undefined;
   }
 
   const makeMethodFn =

packages/openapi-ts-tests/main/test/__snapshots__/2.0.x/plugins/@hey-api/sdk/instance/client/client.gen.ts

@@ -228,7 +228,8 @@ export const createClient = (config: Config = {}): Client => {
       return options.body;
     }
 
-    return null;
+    // no body was provided
+    return undefined;
   }
 
   const makeMethodFn =

packages/openapi-ts-tests/main/test/__snapshots__/2.0.x/plugins/@hey-api/sdk/throwOnError/client/client.gen.ts

@@ -228,7 +228,8 @@ export const createClient = (config: Config = {}): Client => {
       return options.body;
     }
 
-    return null;
+    // no body was provided
+    return undefined;
   }
 
   const makeMethodFn =

packages/openapi-ts-tests/main/test/__snapshots__/2.0.x/plugins/@hey-api/transformers/type-format-valibot/client/client.gen.ts

@@ -228,7 +228,8 @@ export const createClient = (config: Config = {}): Client => {
       return options.body;
     }
 
-    return null;
+    // no body was provided
+    return undefined;
   }
 
   const makeMethodFn =

packages/openapi-ts-tests/main/test/__snapshots__/2.0.x/plugins/@hey-api/transformers/type-format-zod/client/client.gen.ts

@@ -228,7 +228,8 @@ export const createClient = (config: Config = {}): Client => {
       return options.body;
     }
 
-    return null;
+    // no body was provided
+    return undefined;
   }
 
   const makeMethodFn =

packages/openapi-ts-tests/main/test/__snapshots__/2.0.x/plugins/@hey-api/typescript/transforms-read-write-custom-name/client/client.gen.ts

@@ -228,7 +228,8 @@ export const createClient = (config: Config = {}): Client => {
       return options.body;
     }
 
-    return null;
+    // no body was provided
+    return undefined;
   }
 
   const makeMethodFn =