Revert "fix: export of embed properties when struct type is not exported"

Author: danielgtaylor

schema.go

@@ -636,15 +636,14 @@ func getFields(typ reflect.Type, visited map[reflect.Type]struct{}) []fieldInfo
 
 	for i := 0; i < typ.NumField(); i++ {
 		f := typ.Field(i)
+		if !f.IsExported() {
+			continue
+		}
 
 		if f.Anonymous {
 			embedded = append(embedded, f)
 			continue
 		}
-		// embeds can have exported fields
-		if !f.IsExported() {
-			continue
-		}
 
 		fields = append(fields, fieldInfo{typ, f})
 	}

schema_test.go

@@ -42,10 +42,6 @@ type EmbeddedChild struct {
 	Value string `json:"value" doc:"old doc"`
 }
 
-type embedWithExported struct {
-	Value string `json:"value" doc:"embed doc"`
-}
-
 type Embedded struct {
 	EmbeddedChild
 	Value string `json:"value" doc:"new doc"`
@@ -698,28 +694,6 @@ func TestSchema(t *testing.T) {
 				}
 			}`,
 		},
-		{
-			name: "field-embed-unexported",
-			input: struct {
-				// the embed is an unexported type, but it can contribute exported properties that will be in the JSON
-				*embedWithExported
-				Value2 string `json:"value2"`
-			}{},
-			expected: `{
-				"type": "object",
-				"additionalProperties": false,
-				"required": ["value2", "value"],
-				"properties": {
-					"value": {
-						"type": "string",
-						"description": "embed doc"
-					},
-					"value2": {
-						"type": "string"
-					}
-				}
-			}`,
-		},
 		{
 			name: "field-embed-override",
 			input: struct {
@@ -1329,21 +1303,6 @@ func (o OmittableNullable[T]) Schema(r huma.Registry) *huma.Schema {
 	return s
 }
 
-func TestUnexportedEmbed(t *testing.T) {
-	// shows value is serialized in the JSON
-	j, err := json.Marshal(struct {
-		*embedWithExported
-		Value2 string `json:"value2"`
-	}{
-		embedWithExported: &embedWithExported{
-			Value: "foo",
-		},
-		Value2: "bar",
-	})
-	require.NoError(t, err)
-	assert.JSONEq(t, `{"value":"foo","value2":"bar"}`, string(j))
-}
-
 func TestCustomUnmarshalType(t *testing.T) {
 	type O struct {
 		Field OmittableNullable[int] `json:"field" maximum:"10" example:"5"`