isRepeated chaining operator

Author: simo7

internal/plugin/messagegen.go

@@ -16,11 +16,8 @@ func (m messageGenerator) Generate(f *codegen.File, params map[string]string) {
 	rangeFields(m.message, func(field protoreflect.FieldDescriptor) {
 		commentGenerator{descriptor: field}.generateLeading(f, 1)
 		fieldType := typeFromField(m.pkg, field)
-		if field.IsList() {
-			f.P(t(1), field.Name(), "?: ", fieldType.Reference(), " = [];")
-		} else if field.IsMap() {
-			f.P(t(1), field.Name(), "?: ", fieldType.Reference(), " = {};")
-		} else if field.ContainingOneof() != nil || field.HasOptionalKeyword() {
+		isRepeated := field.IsList() || field.IsMap()
+		if isRepeated || field.ContainingOneof() != nil || field.HasOptionalKeyword() {
 			f.P(t(1), field.Name(), "?: ", fieldType.Reference(), ";")
 		} else {
 			f.P(t(1), field.Name(), ": ", fieldType.Reference(), ";")