openapi3: fast path drilling into UFO-type refs

Signed-off-by: Pierre Fenoll <pierrefenoll@gmail.com>
getkin · Nov 25, 2023 · 4d6e861 · 4d6e861
1 parent 6986148
commit 4d6e861
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/openapi3/loader.go b/openapi3/loader.go
@@ -317,6 +317,13 @@ func (loader *Loader) resolveComponent(doc *T, ref string, path *url.URL, resolv
 			pathPart = unescapeRefString(pathPart)
 			attempted := false
 
+			// Special case of T
+			// See issue856: a ref to doc => we assume that doc is a T => things live in T.Extensions
+			if t, ok := cursor.(*T); ok && pathPart == "" {
+				cursor = t.Extensions
+				attempted = true
+			}
+
 			// Special case due to multijson
 			if s, ok := cursor.(*SchemaRef); ok && pathPart == "additionalProperties" {
 				if ap := s.Value.AdditionalProperties.Has; ap != nil {