From cb48f974c9b2f8b51d78679eb137faef525bc590 Mon Sep 17 00:00:00 2001
From: Andrew Clark <git@andrewclark.io>
Date: Thu, 23 Apr 2020 13:48:09 -0700
Subject: [PATCH] Wrap primary tree in Offscreen fiber type

Still just acts like a fragment. Next step is to move the hide/unhide
logic to the Offscreen implementation.
---
 packages/react-reconciler/src/ReactFiberBeginWork.new.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/react-reconciler/src/ReactFiberBeginWork.new.js b/packages/react-reconciler/src/ReactFiberBeginWork.new.js
index ecdb87cea2..ca7931b318 100644
--- a/packages/react-reconciler/src/ReactFiberBeginWork.new.js
+++ b/packages/react-reconciler/src/ReactFiberBeginWork.new.js
@@ -172,6 +172,7 @@ import {
   resolveLazyComponentTag,
   createFiberFromTypeAndProps,
   createFiberFromFragment,
+  createFiberFromOffscreen,
   createWorkInProgress,
   isSimpleFunctionComponent,
 } from './ReactFiber.new';
@@ -1995,7 +1996,7 @@ function mountSuspensePrimaryChildren(
   renderExpirationTime,
 ) {
   const mode = workInProgress.mode;
-  const primaryChildFragment = createFiberFromFragment(
+  const primaryChildFragment = createFiberFromOffscreen(
     primaryChildren,
     mode,
     renderExpirationTime,
@@ -2041,7 +2042,7 @@ function mountSuspenseFallbackChildren(
       null,
     );
   } else {
-    primaryChildFragment = createFiberFromFragment(null, mode, NoWork, null);
+    primaryChildFragment = createFiberFromOffscreen(null, mode, NoWork, null);
     fallbackChildFragment = createFiberFromFragment(
       fallbackChildren,
       mode,
@@ -2202,7 +2203,7 @@ function mountSuspenseFallbackAfterRetryWithoutHydrating(
   renderExpirationTime,
 ) {
   const mode = workInProgress.mode;
-  const primaryChildFragment = createFiberFromFragment(
+  const primaryChildFragment = createFiberFromOffscreen(
     null,
     mode,
     NoWork,