Fix registration of exposed fields (#1727)

v2/internal/binding/binding.go

@@ -156,7 +156,7 @@ func (b *Bindings) AddStructToGenerateTS(packageName string, structName string,
 		}
 		kind := field.Type.Kind()
 		if kind == reflect.Struct {
-			if field.PkgPath == "" {
+			if !field.IsExported() {
 				continue
 			}
 			fqname := field.Type.String()
@@ -168,7 +168,7 @@ func (b *Bindings) AddStructToGenerateTS(packageName string, structName string,
 				b.AddStructToGenerateTS(pName, sName, s)
 			}
 		} else if kind == reflect.Ptr && field.Type.Elem().Kind() == reflect.Struct {
-			if field.PkgPath == "" {
+			if !field.IsExported() {
 				continue
 			}
 			fqname := field.Type.String()
@@ -182,7 +182,6 @@ func (b *Bindings) AddStructToGenerateTS(packageName string, structName string,
 			}
 		}
 	}
-
 }
 
 func (b *Bindings) getAllStructNames() *slicer.StringSlicer {

v2/internal/binding/generate_test.go

@@ -1,10 +1,41 @@
 package binding
 
 import (
-	"github.com/leaanthony/slicer"
 	"testing"
+
+	"github.com/leaanthony/slicer"
+	"github.com/stretchr/testify/assert"
+	"github.com/wailsapp/wails/v2/internal/logger"
 )
 
+type BindForTest struct {
+}
+
+func (b *BindForTest) GetA() A {
+	return A{}
+}
+
+type A struct {
+	B B `json:"B"`
+}
+
+type B struct {
+	Name string `json:"name"`
+}
+
+func TestNestedStruct(t *testing.T) {
+	bind := &BindForTest{}
+	testBindings := NewBindings(logger.New(nil), []interface{}{bind}, []interface{}{})
+
+	namesStrSlicer := testBindings.getAllStructNames()
+	names := []string{}
+	namesStrSlicer.Each(func(s string) {
+		names = append(names, s)
+	})
+	assert.Contains(t, names, "binding.A")
+	assert.Contains(t, names, "binding.B")
+}
+
 func Test_goTypeToJSDocType(t *testing.T) {
 
 	tests := []struct {