Updated 'extend' function.

Refactored the function to copy properties from one object to another one and avoid properties overriding. This way we ensure the 'inheritance' of <xsd:extension base=...> usage.

Author: dun4n

lib/wsdl.js

@@ -73,12 +73,21 @@ function trim(text) {
   return text.replace(trimLeft, '').replace(trimRight, '');
 }
 
+/**
+ * What we want is to copy properties from one object to another one and avoid 
+ * properties overriding. This way we ensure the 'inheritance' of 
+ * <xsd:extension base=...> usage.
+ *
+ * NB: 'Element' (and subtypes) don't have any prototyped properties: there's 
+ * no need to process a 'hasOwnProperties' call, we should just iterate over the 
+ * keys.
+ */
 function extend(base, obj) {
-  for (var key in obj) {
-    if (!obj.hasOwnProperty(key)) {
+  Object.keys(obj).forEach(function(key) {
+    if(!base.hasOwnProperty(key))
       base[key] = obj[key];
-    }
-  }
+  });
+
   return base;
 }
 

test/wsdl/extended_element.wsdl

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<wsdl:definitions xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
+xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
+xmlns:xs="http://www.w3.org/2001/XMLSchema"
+xmlns:tns="http://www.Dummy.com"  xmlns:n="http://www.Dummy.com/Name/Types"  xmlns:ns="http://schemas.xmlsoap.org/soap/encoding/" targetNamespace="http://www.Dummy.com">
+  <wsdl:types>
+    <xs:schema>
+      <xs:import namespace="http://www.Dummy.com/Common/Types" schemaLocation="./Common.xsd"/>
+      <xs:import namespace="http://www.Dummy.com/Name/Types" schemaLocation="./Name.xsd"/>
+    </xs:schema>
+    <xs:schema xmlns="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.example.com/v1" xmlns:e="http://www.example.com/v1">
+      <xs:element name="ExtendedDummyRequest">
+        <xs:complexType>
+          <xs:complexContent>
+            <xs:extension base="n:DummyRequest">
+              <xs:sequence>
+                <xs:element name="ExtendedDummyField" type="xs:string" minOccurs="0"/>
+              </xs:sequence>
+            </xs:extension>
+          </xs:complexContent>
+        </xs:complexType>
+      </xs:element>
+    </xs:schema>
+  </wsdl:types>
+  <wsdl:message name="DummyRequest">
+    <wsdl:part name="DummyRequest" element="e:ExtendedDummyRequest"/>
+  </wsdl:message>
+  <wsdl:message name="DummyResponse">
+    <wsdl:part name="DummyResponse" element="n:DummyResponse"/>
+  </wsdl:message>
+  <wsdl:portType name="DummyPortType">
+    <wsdl:operation name="Dummy">
+      <wsdl:input message="tns:DummyRequest"/>
+      <wsdl:output message="tns:DummyResponse"/>
+    </wsdl:operation>
+  </wsdl:portType>
+  <wsdl:binding name="DummyBinding" type="tns:DummyPortType">
+    <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
+    <wsdl:operation name="Dummy">
+      <soap:operation soapAction="http://www.Dummy.com#Dummy" style="document"/>
+      <wsdl:input>
+        <soap:body use="literal"/>
+      </wsdl:input>
+      <wsdl:output>
+        <soap:body use="literal"/>
+      </wsdl:output>
+    </wsdl:operation>
+    <wsdl:operation name="DummySave">
+      <soap:operation soapAction="http://www.Dummy.com#DummySave" style="document"/>
+      <wsdl:input>
+        <soap:body use="literal"/>
+      </wsdl:input>
+      <wsdl:output>
+        <soap:body use="literal"/>
+      </wsdl:output>
+    </wsdl:operation>
+  </wsdl:binding>
+  <wsdl:service name="DummyService">
+    <wsdl:port name="DummyPortType" binding="tns:DummyBinding">
+      <soap:address location="http://www.Dummy.com/"/>
+    </wsdl:port>
+  </wsdl:service>
+</wsdl:definitions>