feat: add Node instance control to deepMerge

npm/ng-packs/packages/core/src/lib/utils/common-utils.ts

@@ -27,3 +27,11 @@ export function isArray(obj) {
 export function isObjectAndNotArray(obj) {
   return isObject(obj) && !isArray(obj);
 }
+
+export function isNode(obj) {
+  return obj instanceof Node;
+}
+
+export function isObjectAndNotArrayNotNode(obj) {
+  return isObjectAndNotArray(obj) && !isNode(obj);
+}

npm/ng-packs/packages/core/src/lib/utils/object-utils.ts

@@ -1,7 +1,14 @@
-import { isObjectAndNotArray, isNullOrUndefined, exists, isArray, isObject } from './common-utils';
+import {
+  exists,
+  isArray,
+  isNode,
+  isNullOrUndefined,
+  isObject,
+  isObjectAndNotArrayNotNode,
+} from './common-utils';
 
 export function deepMerge(target, source) {
-  if (isObjectAndNotArray(target) && isObjectAndNotArray(source)) {
+  if (isObjectAndNotArrayNotNode(target) && isObjectAndNotArrayNotNode(source)) {
     return deepMergeRecursively(target, source);
   } else if (isNullOrUndefined(target) && isNullOrUndefined(source)) {
     return {};
@@ -17,7 +24,9 @@ function deepMergeRecursively(target, source) {
     isArray(target) ||
     isArray(source) || // at least one array
     !isObject(target) ||
-    !isObject(source); // at least one not an object
+    !isObject(source) || // at least one not an object
+    isNode(target) ||
+    isNode(source); // at least one node
 
   /**
    * if we will not recurse any further,