refactor: snapshot store to diff (#3155)

* refactor: snapshot store to diff

* change initial state position

* fix old snapshot format

* encapsulate json diff

projects/app/src/web/core/app/diff.ts

@@ -0,0 +1,20 @@
+import { create } from 'jsondiffpatch';
+
+const createWorkflowDiffPatcher = () =>
+  create({
+    objectHash: (obj: any) => obj.id || obj.nodeId || obj._id,
+    propertyFilter: (name: string) => name !== 'selected'
+  });
+
+const diffPatcher = createWorkflowDiffPatcher();
+
+export const createDiff = <T extends Record<string, unknown>>(initialState?: T, newState?: T) => {
+  return diffPatcher.diff(initialState, newState);
+};
+
+export const applyDiff = <T extends Record<string, unknown>>(
+  initialState?: T,
+  diff?: ReturnType<typeof diffPatcher.diff>
+) => {
+  return diffPatcher.patch(structuredClone(initialState), diff) as T;
+};

projects/app/src/web/core/workflow/utils.ts

@@ -631,3 +631,14 @@ export const compareSnapshot = (
 
   return isEqual(node1, node2);
 };
+
+// remove node size
+export const simplifyNodes = (nodes: Node[]) => {
+  return nodes.map((node) => ({
+    id: node.id,
+    type: node.type,
+    position: node.position,
+    data: node.data,
+    zIndex: node.zIndex
+  }));
+};