From e4b129f304a28db71a538af35afae0af91b02129 Mon Sep 17 00:00:00 2001
From: Nikolai Vavilov <vvnicholas@gmail.com>
Date: Tue, 19 Jul 2016 10:34:58 +0300
Subject: restore old behavior for toObject

---
 js/message_test.js                              | 22 ++++++++++++++++---
 src/google/protobuf/compiler/js/js_generator.cc | 28 ++++++++++++++++---------
 2 files changed, 37 insertions(+), 13 deletions(-)

diff --git a/js/message_test.js b/js/message_test.js
index c9eee17d..b7791431 100644
--- a/js/message_test.js
+++ b/js/message_test.js
@@ -145,7 +145,11 @@ describe('Message test suite', function() {
         undefined, undefined, undefined, undefined]);
     var result = foo.toObject();
     assertObjectEquals({
-      aNestedMessage: {},
+      aString: undefined,
+      anOutOfOrderBool: undefined,
+      aNestedMessage: {
+        anInt: undefined
+      },
       // Note: JsPb converts undefined repeated fields to empty arrays.
       aRepeatedMessageList: [],
       aRepeatedStringList: []
@@ -180,7 +184,14 @@ describe('Message test suite', function() {
     var response = new proto.jspb.test.DefaultValues();
 
     // Test toObject
-    var expectedObject = {};
+    var expectedObject = {
+      stringField: defaultString,
+      boolField: true,
+      intField: 11,
+      enumField: 13,
+      emptyField: '',
+      bytesField: 'bW9v'
+    };
     assertObjectEquals(expectedObject, response.toObject());
 
 
@@ -748,7 +759,12 @@ describe('Message test suite', function() {
     assertObjectEquals({id: 'g1', someBoolList: [true, false]},
         groups[0].toObject());
     assertObjectEquals({
-      repeatedGroupList: [{id: 'g1', someBoolList: [true, false]}]
+      repeatedGroupList: [{id: 'g1', someBoolList: [true, false]}],
+      requiredGroup: {id: undefined},
+      optionalGroup: undefined,
+      requiredSimple: {aRepeatedStringList: [], aString: undefined},
+      optionalSimple: undefined,
+      id: undefined
     }, group.toObject());
     var group1 = new proto.jspb.test.TestGroup1();
     group1.setGroup(someGroup);
diff --git a/src/google/protobuf/compiler/js/js_generator.cc b/src/google/protobuf/compiler/js/js_generator.cc
index 53067739..58c77d00 100755
--- a/src/google/protobuf/compiler/js/js_generator.cc
+++ b/src/google/protobuf/compiler/js/js_generator.cc
@@ -1952,7 +1952,7 @@ void Generator::GenerateClassToObject(const GeneratorOptions& options,
       " * @return {!Object}\n"
       " */\n"
       "$classname$.toObject = function(includeInstance, msg) {\n"
-      "  var f, obj = {};",
+      "  var f, obj = {",
       "classname", GetPath(options, desc));
 
   bool first = true;
@@ -1963,16 +1963,20 @@ void Generator::GenerateClassToObject(const GeneratorOptions& options,
     }
 
     if (!first) {
-      printer->Print("\n  ");
+      printer->Print(",\n    ");
     } else {
-      printer->Print("\n\n  ");
+      printer->Print("\n    ");
       first = false;
     }
 
     GenerateClassFieldToObject(options, printer, field);
   }
 
-  printer->Print("\n\n");
+  if (!first) {
+    printer->Print("\n  };\n\n");
+  } else {
+    printer->Print("\n\n  };\n\n");
+  }
 
   if (IsExtendable(desc)) {
     printer->Print(
@@ -1999,12 +2003,7 @@ void Generator::GenerateClassToObject(const GeneratorOptions& options,
 void Generator::GenerateClassFieldToObject(const GeneratorOptions& options,
                                            io::Printer* printer,
                                            const FieldDescriptor* field) const {
-  if (HasFieldPresence(field)) {
-    printer->Print("if (msg.has$name$()) ",
-      "name", JSGetterName(options, field));
-  }
-
-  printer->Print("obj.$fieldname$ = ",
+  printer->Print("$fieldname$: ",
                  "fieldname", JSObjectFieldName(options, field));
 
   if (field->is_map()) {
@@ -2034,12 +2033,21 @@ void Generator::GenerateClassFieldToObject(const GeneratorOptions& options,
       printer->Print("msg.get$getter$()",
                      "getter", JSGetterName(options, field, BYTES_B64));
     } else {
+      if (field->has_default_value()) {
+        printer->Print("!msg.has$name$() ? $defaultValue$ : ",
+                       "name", JSGetterName(options, field),
+                       "defaultValue", JSFieldDefault(field));
+      }
       if (field->cpp_type() == FieldDescriptor::CPPTYPE_FLOAT ||
           field->cpp_type() == FieldDescriptor::CPPTYPE_DOUBLE) {
         if (field->is_repeated()) {
           printer->Print("jspb.Message.getRepeatedFloatingPointField("
                          "msg, $index$)",
                          "index", JSFieldIndex(field));
+        } else if (field->is_optional() && !field->has_default_value()) {
+          printer->Print("jspb.Message.getOptionalFloatingPointField("
+                         "msg, $index$)",
+                         "index", JSFieldIndex(field));
         } else {
           // Convert "NaN" to NaN.
           printer->Print("+jspb.Message.getField(msg, $index$)",
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