Merge branch 'Hossein-s-fix-create-param-decorator'

Author: kamilmysliwiec

packages/common/decorators/http/create-route-param-metadata.decorator.ts

@@ -48,7 +48,8 @@ export function createParamDecorator(
 
     const isPipe = (pipe: any) =>
       pipe &&
-      ((isFunction(pipe) && pipe.prototype) || isFunction(pipe.transform));
+      ((isFunction(pipe) && pipe.prototype && isFunction(pipe.prototype.transform)) ||
+        isFunction(pipe.transform));
 
     const hasParamData = isNil(data) || !isPipe(data);
     const paramData = hasParamData ? data : undefined;

packages/common/test/decorators/create-param-decorator.spec.ts

@@ -88,5 +88,24 @@ describe('createParamDecorator', () => {
         });
       });
     });
+
+    describe('when class type passed as data', () => {
+      class Data { }
+      class Test {
+        public test(
+          @Decorator(Data) prop,
+        ) { }
+      }
+
+      it('should return class type as data parameter', () => {
+        const metadata = Reflect.getMetadata(
+          ROUTE_ARGS_METADATA,
+          Test,
+          'test',
+        );
+        const key = Object.keys(metadata)[0];
+        expect(metadata[key].data).to.equal(Data);
+      });
+    });
   });
 });