refactoring

Author: narengogi

src/providers/google-vertex-ai/transformGenerationConfig.ts

@@ -87,8 +87,12 @@ export function transformGenerationConfig(params: PortkeyGeminiParams) {
   }
   if (params.image_config) {
     generationConfig['imageConfig'] = {
-      aspectRatio: params.image_config.aspect_ratio,
-      imageSize: params.image_config.image_size,
+      ...(params.image_config.aspect_ratio && {
+        aspectRatio: params.image_config.aspect_ratio,
+      }),
+      ...(params.image_config.image_size && {
+        imageSize: params.image_config.image_size,
+      }),
     };
   }
   return generationConfig;

src/providers/google/chatComplete.ts

@@ -105,8 +105,12 @@ const transformGenerationConfig = (params: PortkeyGeminiParams) => {
   }
   if (params.image_config) {
     generationConfig['imageConfig'] = {
-      aspectRatio: params.image_config.aspect_ratio,
-      imageSize: params.image_config.image_size,
+      ...(params.image_config.aspect_ratio && {
+        aspectRatio: params.image_config.aspect_ratio,
+      }),
+      ...(params.image_config.image_size && {
+        imageSize: params.image_config.image_size,
+      }),
     };
   }
   return generationConfig;