+

Author: lifeart

src/utils/glimmer-validator.ts

@@ -1,4 +1,11 @@
-import { Cell, cellFor, cellsMap, getTracker } from './reactive';
+import {
+  type Cell,
+  cellFor,
+  cellsMap,
+  getTracker,
+  isRendering,
+  setIsRendering,
+} from './reactive';
 
 export { cellFor as tagFor } from '@lifeart/gxt';
 
@@ -55,3 +62,31 @@ export function trackedData<T extends object, K extends keyof T>(
 
   return { getter, setter };
 }
+
+let renderingStateBeforeBegin = isRendering();
+
+export function beginTrackFrame() {
+  renderingStateBeforeBegin = isRendering();
+  if (!isRendering()) {
+    setIsRendering(true);
+  }
+}
+
+export function endTrackFrame() {
+  if (isRendering() !== renderingStateBeforeBegin) {
+    setIsRendering(renderingStateBeforeBegin);
+  }
+}
+
+export function beginUntrackFrame() {
+  renderingStateBeforeBegin = isRendering();
+  if (renderingStateBeforeBegin) {
+    setIsRendering(false);
+  }
+}
+
+export function endUntrackFrame() {
+  if (isRendering() !== renderingStateBeforeBegin) {
+    setIsRendering(renderingStateBeforeBegin);
+  }
+}

src/utils/reactive.ts

@@ -329,4 +329,7 @@ export function inNewTrackingFrame(callback: () => void) {
 
 export function getTracker() {
   return currentTracker;
+}
+export function setTracker(tracker: Set<Cell> | null) {
+  currentTracker = tracker;
 }