fix: support property dependecies with ownProperties option, #197

lib/dot/dependencies.jst

@@ -26,6 +26,9 @@ var missing{{=$lvl}};
   {{ $deps = $propertyDeps[$property]; }}
   {{? $deps.length }}
     if ({{=$data}}{{= it.util.getProperty($property) }} !== undefined
+      {{? $ownProperties }}
+        && Object.prototype.hasOwnProperty.call({{=$data}}, '{{=it.util.escapeQuotes($property)}}')
+      {{?}}
       {{? $breakOnError }}
           && ({{# def.checkMissingProperty:$deps }})) {
           {{# def.errorMissingProperty:'dependencies' }}

spec/options.spec.js

@@ -141,6 +141,23 @@ describe('Ajv Options', function () {
       test(schema, obj, proto, 1, true);
     });
 
+    it('should only validate own properties with dependencies keyword', function() {
+      var schema = {
+        dependencies: {
+          a: ['c'],
+          b: ['d']
+        }
+      };
+
+      var obj = { a: 1, c: 3 };
+      var proto = { b: 2 };
+      test(schema, obj, proto);
+
+      obj = { a: 1, b: 2, c: 3 };
+      proto = { d: 4 };
+      test(schema, obj, proto, 1, true);
+    });
+
     it('should only validate own properties with patternProperties', function() {
       var schema = {
         patternProperties: { 'f.*o': { type: 'integer' } },