fix: openapi import fails when requestbody content is empty (#6200)

packages/bruno-converters/src/openapi/openapi-to-bruno.js

@@ -199,7 +199,7 @@ const getExampleFromSchema = (schema) => {
  * @param {string} params.contentType - Content type (e.g., 'application/json', 'application/ld+json')
  */
 const populateRequestBody = ({ body, requestBodyValue, contentType }) => {
-  if (!requestBodyValue || !contentType) return;
+  if (!requestBodyValue || !contentType || typeof contentType !== 'string') return;
 
   // Normalize: lowercase (content types from OpenAPI spec object keys may vary in case)
   const normalizedContentType = contentType.toLowerCase();
@@ -485,7 +485,7 @@ const transformOpenapiRequestItem = (request, usedNames = new Set()) => {
     let bodySchema = body.schema;
 
     // Normalize: lowercase (object keys may vary in case)
-    const normalizedMimeType = mimeType.toLowerCase();
+    const normalizedMimeType = typeof mimeType === 'string' ? mimeType.toLowerCase() : '';
 
     if (CONTENT_TYPE_PATTERNS.JSON.test(normalizedMimeType)) {
       brunoRequestItem.request.body.mode = 'json';

packages/bruno-converters/tests/openapi/openapi-to-bruno/openapi-to-bruno.spec.js

@@ -234,6 +234,32 @@ servers:
       expect(result.items[0].root.request.auth.mode).toBe('inherit');
     });
   });
+
+  it('should handle requestBody with empty content object (undefined mimeType)', () => {
+    const openApiWithEmptyContent = `
+openapi: '3.0.0'
+info:
+  version: '1.0.0'
+  title: 'API with empty requestBody content'
+paths:
+  /test:
+    post:
+      summary: 'Test endpoint with empty content'
+      operationId: 'testEndpoint'
+      requestBody:
+        content: {}
+      responses:
+        '200':
+          description: 'OK'
+servers:
+  - url: 'https://example.com'
+`;
+    const result = openApiToBruno(openApiWithEmptyContent);
+    expect(result.items[0].request.body.mode).toBe('none');
+    expect(result.items[0].request.body.json).toBe(null);
+    expect(result.items[0].request.body.text).toBe(null);
+    expect(result.items[0].request.body.xml).toBe(null);
+  });
 });
 
 const openApiCollectionString = `