Set packed=true for all repeated packable types

Workaround for protobufjs/protobuf.js#432

pogo-protos.js

@@ -8,4 +8,20 @@ fs.readdirSync(protoDir)
     .filter(filename => filename.match(/\.proto$/))
     .forEach(filename => protobuf.loadProtoFile(protoDir + '/' + filename, builder));
 
+// Recursively add the packed=true to all packable repeated fields.
+// Repeated fields are packed by default in proto3 but protobuf.js incorrectly does not set the option.
+// See also: https://github.com/dcodeIO/protobuf.js/issues/432
+function addPackedOption(ns) {
+    if (ns instanceof protobuf.Reflect.Message) {
+        ns.getChildren(protobuf.Reflect.Field).forEach(field => {
+            if (field.repeated && protobuf.PACKABLE_WIRE_TYPES.indexOf(field.type.wireType) != -1) {
+                field.options.packed = true;
+            }
+        });
+    } else if (ns instanceof protobuf.Reflect.Namespace) {
+        ns.children.forEach(addPackedOption);
+    }
+}
+addPackedOption(builder.lookup('POGOProtos'));
+
 module.exports = builder.build("POGOProtos");