Fixed wrong type_url for any type (no leading '.' allowed).

The reference documentation in google/protobuf/any.proto
defines that a leading "." is not accepted for the type_url
field. So we have to change that to be compatible to the
official Google protobuf implementation.

Author: manni83

Diff for: src/wrappers.js

@@ -44,11 +44,15 @@ wrappers[".google.protobuf.Any"] = {
         if (object && object["@type"]) {
             var type = this.lookup(object["@type"]);
             /* istanbul ignore else */
-            if (type)
+            if (type) {
+                // type_url does not accept leading "."
+                var type_url = object["@type"].charAt(0) === "." ?
+                    object["@type"].substr(1) : object["@type"];
                 return this.create({
-                    type_url: object["@type"],
+                    type_url: type_url,
                     value: type.encode(type.fromObject(object)).finish()
                 });
+            }
         }
 
         return this.fromObject(object);

Diff for: tests/comp_google_protobuf_any.js

@@ -31,15 +31,15 @@ tape.test("google.protobuf.Any", function(test) {
 
     var foo = Foo.fromObject({
         foo: {
-            type_url: ".Bar",
+            type_url: "Bar",
             value: [1 << 3 | 2, 1, 97] // value = "a"
         }
     });
     test.ok(foo.foo instanceof Any.ctor, "should keep explicit Any in fromObject");
-    test.same(foo.foo, { type_url: ".Bar", value: [10, 1, 97] }, "should keep explicit Any in fromObject properly");
+    test.same(foo.foo, { type_url: "Bar", value: [10, 1, 97] }, "should keep explicit Any in fromObject properly");
 
     var obj = Foo.toObject(foo);
-    test.same(obj.foo, { type_url: ".Bar", value: [10, 1, 97] }, "should keep explicit Any in toObject properly");
+    test.same(obj.foo, { type_url: "Bar", value: [10, 1, 97] }, "should keep explicit Any in toObject properly");
 
     obj = Foo.toObject(foo, { json: true });
     test.same(obj.foo, { "@type": ".Bar", bar: "a" }, "should decode explicitly Any in toObject if requested");
@@ -51,7 +51,7 @@ tape.test("google.protobuf.Any", function(test) {
         }
     });
     test.ok(foo.foo instanceof Any.ctor, "should convert to Any in fromObject");
-    test.same(foo.foo, { type_url: ".Bar", value: protobuf.util.newBuffer([10, 1, 97]) }, "should have correct Any object when converted with fromObject");
+    test.same(foo.foo, { type_url: "Bar", value: protobuf.util.newBuffer([10, 1, 97]) }, "should have correct Any object when converted with fromObject");
 
     test.end();
 });