Added Object Utils

common/Object.js

@@ -0,0 +1,37 @@
+'use strict';
+
+Object.isUndefined = Object.isUndefined || function(v) {
+    return typeof v === typeof undefined;
+}
+
+Object.isDefined = Object.isDefined || function(v) {
+    return !Object.isUndefined(v);
+}
+
+Object.isBoolean = Object.isBoolean || function(v) {
+    return Object.isDefined(v) && typeof v === 'boolean';
+}
+
+Object.merge = Object.merge || function(left_most, right_most) {
+    let d = {};
+    var left_keys = Object.keys(left_most);
+    for(var i = 0 ; i < left_keys.length; i++) {
+        var k = left_keys[i];
+        if(typeof right_most[k] !== typeof undefined) continue;
+        d[k] = left_most[k];
+    }
+
+    var right_keys = Object.keys(right_most);
+    for(var i = 0; i < right_keys.length; i++) {
+        var k = right_keys[i];
+        d[k] = right_most[k];
+    }
+
+    return d;
+}
+
+Object.extendClass = Object.extendClass || function(super_class,new_methods) {
+    return Object.assign(Object.assign({}, super_class), new_methods);
+}
+
+module.exports = Object;