Other: Call hasOwnProperty builtin as late as possible decreasing the…

… probability of having to call it at all (perf)

package.json

@@ -44,7 +44,7 @@
   "dependencies": {
     "@protobufjs/aspromise": "^1.0.5",
     "@protobufjs/base64": "^1.0.5",
-    "@protobufjs/codegen": "^1.0.7",
+    "@protobufjs/codegen": "^1.0.8",
     "@protobufjs/eventemitter": "^1.0.5",
     "@protobufjs/extend": "^1.0.2",
     "@protobufjs/fetch": "^1.0.4",

src/converter.js

@@ -231,7 +231,7 @@ converter.toObject = function toObject(mtype) {
     for (var i = 0; i < fields.length; ++i) {
         var field = fields[i],
             prop  = util.safeProp(field.name); gen
-    ("if(m.hasOwnProperty(%j)&&m%s!==undefined&&m%s!==null){", field.name, prop, prop);
+    ("if(m%s!==undefined&&m%s!==null&&m.hasOwnProperty(%j)){", prop, prop, field.name);
         if (field.map) { gen
         ("d%s={}", prop)
         ("for(var ks2=Object.keys(m%s),j=0;j<ks2.length;++j){", prop);

src/encoder.js

@@ -45,7 +45,7 @@ function encoder(mtype) {
         // Map fields
         if (field.map) {
             var keyType = field.resolvedKeyType /* only valid is enum */ ? "uint32" : field.keyType; gen
-    ("if(m.hasOwnProperty(%j)&&%s){", field.name, ref)
+    ("if(%s&&m.hasOwnProperty(%j)){", ref, field.name)
         ("for(var ks=Object.keys(%s),i=0;i<ks.length;++i){", ref)
             ("w.uint32(%d).fork().uint32(%d).%s(ks[i])", (field.id << 3 | 2) >>> 0, 8 | types.mapKey[keyType], keyType);
             if (wireType === undefined) gen
@@ -62,7 +62,7 @@ function encoder(mtype) {
             // Packed repeated
             if (field.packed && types.packed[type] !== undefined) { gen
 
-    ("if(m.hasOwnProperty(%j)&&%s.length){", field.name, ref)
+    ("if(%s&&%s.length&&m.hasOwnProperty(%j)){", ref, ref, field.name)
         ("w.uint32(%d).fork()", (field.id << 3 | 2) >>> 0)
         ("for(var i=0;i<%s.length;++i)", ref)
             ("w.%s(%s[i])", type, ref)
@@ -72,7 +72,7 @@ function encoder(mtype) {
             // Non-packed
             } else { gen
 
-    ("if(m.hasOwnProperty(%j)){", field.name)
+    ("if(%s!==undefined&&m.hasOwnProperty(%j)){", ref, field.name)
         ("for(var i=0;i<%s.length;++i)", ref);
                 if (wireType === undefined)
             genTypePartial(gen, field, i, ref + "[i]");
@@ -88,11 +88,11 @@ function encoder(mtype) {
             if (!field.required) {
 
                 if (field.long) gen
-    ("if(m.hasOwnProperty(%j)&&%s!==undefined&&%s!==null)", field.name, ref, ref);
+    ("if(%s!==undefined&&%s!==null&&m.hasOwnProperty(%j))", ref, ref, field.name);
                 else if (field.bytes) gen
-    ("if(m.hasOwnProperty(%j)&&%s)", field.name, ref);
+    ("if(%s&&m.hasOwnProperty(%j))", ref, field.name);
                 else gen
-    ("if(m.hasOwnProperty(%j)&&%s!==undefined)", field.name, ref);
+    ("if(%s!==undefined&&m.hasOwnProperty(%j))", ref, field.name);
 
             }
 

src/util/codegen/index.js

@@ -121,7 +121,7 @@ function sprintf(format) {
     for (; i < arguments.length;)
         args.push(arguments[i++]);
     i = 0;
-    format = format.replace(/%([dfjps])/g, function($0, $1) {
+    format = format.replace(/%([dfjs])/g, function($0, $1) {
         switch ($1) {
             case "d":
                 return Math.floor(args[i++]);

src/util/codegen/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@protobufjs/codegen",
   "description": "A closure for generating functions programmatically.",
-  "version": "1.0.7",
+  "version": "1.0.8",
   "author": "Daniel Wirtz <dcode+protobufjs@dcode.io>",
   "repository": {
     "type": "git",