Reworked logic to check extensions were not caught either.

Signed-off-by: quobix <dave@quobix.com>

index/extract_refs.go

@@ -96,6 +96,29 @@ func (index *SpecIndex) ExtractRefs(node, parent *yaml.Node, seenPath []string,
 			// https://github.com/pb33f/libopenapi/issues/76
 			mapOfSchemaContainingNodes := []string{"properties", "patternProperties"}
 			if i%2 == 0 && slices.Contains(mapOfSchemaContainingNodes, n.Value) && !utils.IsNodeArray(node) && (i+1 < len(node.Content)) {
+
+				// if 'examples' or 'example' exists in the seenPath, skip this 'properties' node.
+				// https://github.com/pb33f/libopenapi/issues/160
+				if len(seenPath) > 0 {
+					skip := false
+
+					// iterate through the path and look for an item named 'examples' or 'example'
+					for _, p := range seenPath {
+						if p == "examples" || p == "example" {
+							skip = true
+							break
+						}
+						// look for any extension in the path that begins with 'x-'
+						if strings.HasPrefix(p, "x-") {
+							skip = true
+							break
+						}
+					}
+					if skip {
+						continue
+					}
+				}
+
 				// for each property add it to our schema definitions
 				label := ""
 				for h, prop := range node.Content[i+1].Content {

index/spec_index_test.go

@@ -1650,3 +1650,54 @@ components:
 	assert.Equal(t, "bing bong", params["/test"]["top"]["#/components/parameters/test-2"][0].Node.Content[5].Value)
 	assert.Equal(t, "ding a ling", params["/test"]["get"]["#/components/parameters/test-3"][0].Node.Content[5].Value)
 }
+
+func TestSpecIndex_CheckPropertiesFromExamplesIgnored(t *testing.T) {
+	yml := `paths:
+  /test:
+    get:
+      responses:
+        '200':
+          description: OK
+          x-properties:
+            properties:
+              name: not a schema
+          x-example:
+            properties:
+              name: not a schema
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Object"
+              examples:
+                Example1:
+                  value:
+                    properties:
+                      name: not a schema
+                Example2:
+                  value:
+                    properties:
+                      name: another one
+components:
+  schemas:
+    Object:
+      type: object
+      x-properties:
+        properties:
+          name: not a schema
+      properties:
+        properties:
+          type: object
+          properties:
+            name:
+              type: string
+      example:
+        properties:
+          name: not a schema`
+
+	var rootNode yaml.Node
+	_ = yaml.Unmarshal([]byte(yml), &rootNode)
+
+	index := NewSpecIndexWithConfig(&rootNode, CreateOpenAPIIndexConfig())
+	schemas := index.GetAllSchemas()
+	assert.Equal(t, 6, len(schemas))
+}