handle errors by circ refs, undefined, BigInt etc

packages/node_modules/@node-red/editor-client/src/js/ui/editors/panes/properties.js

@@ -107,7 +107,7 @@
                                         newValue = "";
                                     }
                                 }
-                                if (!JSON.stringify(node[d]) ===  JSON.stringify(newValue)) {
+                                if (!isEqual(node[d], newValue)) {
                                     if (node._def.defaults[d].type) {
                                         // Change to a related config node
                                         var configNode = RED.nodes.node(node[d]);
@@ -138,6 +138,22 @@
             }
         }
     });
+    /**
+     * Compares `v1` with `v2` for equality
+     * @param {*} v1 variable 1
+     * @param {*} v2 variable 2
+     * @returns {boolean} true if variable 1 equals variable 2, otherwise false
+     */
+    function isEqual(v1, v2) {
+        try {
+            if(v1 === v2) {
+                return true;
+            }
+            return JSON.stringify(v1) === JSON.stringify(v2);
+        } catch (err) {
+            return false;
+        }
+    }
 
     /**
      * Update the node credentials from the edit form