v8: add a js class for Serializer/Deserializer

Calling Serializer/Deserializer without new crashes node.
Adding a js class which just inherits cpp bindings.
Added regression tests.

Fixes: nodejs#13326

lib/v8.js

@@ -15,14 +15,20 @@
 'use strict';
 
 const { Buffer } = require('buffer');
-const serdesBindings = process.binding('serdes');
+const {
+        Serializer: _Serializer,
+        Deserializer: _Deserializer
+      } = process.binding('serdes');
 const { copy } = process.binding('buffer');
 const { objectToString } = require('internal/util');
 const { FastBuffer } = require('internal/buffer');
 
-class Serializer extends serdesBindings.Serializer {}
+// Calling exposed c++ functions directly throws exception as it expected to be
+// called with new operator and caused an assert to fire.
+// Creating JS wrapper so that it gets caught at JS layer.
+class Serializer extends _Serializer { }
 
-class Deserializer extends serdesBindings.Deserializer {}
+class Deserializer extends _Deserializer { }
 
 const {
   cachedDataVersionTag,