* Utils.Object.DeepCopy is a new function that will recursively deep copy an array of object.

Author: photonstorm

src/utils/object/DeepCopy.js

@@ -0,0 +1,43 @@
+/**
+ * @author       Richard Davey <rich@photonstorm.com>
+ * @copyright    2020 Photon Storm Ltd.
+ * @license      {@link https://opensource.org/licenses/MIT|MIT License}
+ */
+
+/**
+ * Deep Copy the given object or array.
+ *
+ * @function Phaser.Utils.Objects.DeepCopy
+ * @since 3.50.0
+ *
+ * @param {object} obj - The object to deep copy.
+ *
+ * @return {object} A deep copy of the original object.
+ */
+var DeepCopy = function (inObject)
+{
+    var outObject;
+    var value;
+    var key;
+
+    if (typeof inObject !== 'object' || inObject === null)
+    {
+        //  inObject is not an object
+        return inObject;
+    }
+
+    //  Create an array or object to hold the values
+    outObject = Array.isArray(inObject) ? [] : {};
+
+    for (key in inObject)
+    {
+        value = inObject[key];
+
+        //  Recursively (deep) copy for nested objects, including arrays
+        outObject[key] = DeepCopy(value);
+    }
+
+    return outObject;
+};
+
+module.exports = DeepCopy;

src/utils/object/index.js

@@ -11,6 +11,7 @@
 module.exports = {
 
     Clone: require('./Clone'),
+    DeepCopy: require('./DeepCopy'),
     Extend: require('./Extend'),
     GetAdvancedValue: require('./GetAdvancedValue'),
     GetFastValue: require('./GetFastValue'),