From 81d8ed7d52a0a25ebeaa0888ddf35ba404af70b9 Mon Sep 17 00:00:00 2001
From: Sebastian Markbage <sebastian@calyptus.eu>
Date: Sun, 12 Oct 2025 20:27:42 -0400
Subject: [PATCH] Ignore suspense boundaries without visual representation in
 the timeline

---
 .../react-devtools-shared/src/devtools/store.js     | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/packages/react-devtools-shared/src/devtools/store.js b/packages/react-devtools-shared/src/devtools/store.js
index 99971f6a1a697..eeb6da60f8aeb 100644
--- a/packages/react-devtools-shared/src/devtools/store.js
+++ b/packages/react-devtools-shared/src/devtools/store.js
@@ -51,6 +51,7 @@ import type {
   ComponentFilter,
   ElementType,
   SuspenseNode,
+  Rect,
 } from 'react-devtools-shared/src/frontend/types';
 import type {
   FrontendBridge,
@@ -99,6 +100,10 @@ export type Capabilities = {
   supportsAdvancedProfiling: AdvancedProfiling,
 };
 
+function isNonZeroRect(rect: Rect) {
+  return rect.width > 0 || rect.height > 0 || rect.x > 0 || rect.y > 0;
+}
+
 /**
  * The store is the single source of truth for updates from the backend.
  * ContextProviders can subscribe to the Store for specific things they want to provide.
@@ -918,7 +923,15 @@ export default class Store extends EventEmitter<{
           if (current === undefined) {
             continue;
           }
+          // Ignore any suspense boundaries that has no visual representation as this is not
+          // part of the visible loading sequence.
+          // TODO: Consider making visible meta data and other side-effects get virtual rects.
+          const hasRects =
+            current.rects !== null &&
+            current.rects.length > 0 &&
+            current.rects.some(isNonZeroRect);
           if (
+            hasRects &&
             (!uniqueSuspendersOnly || current.hasUniqueSuspenders) &&
             // Roots are already included as part of the Screen
             current.id !== rootID