vault backup: 2022-06-28 11:13:53

2 years ago · 2d843d7eb8
1 changed files with 2 additions and 0 deletions
--- a/的深入探索/React
+++ b/的深入探索/React
@ -100,6 +100,8 @@ if ((current.flags & ForceUpdateForLegacySuspense) !== NoFlags) {
				@@ -100,6 +100,8 @@ if ((current.flags & ForceUpdateForLegacySuspense) !== NoFlags) {
 }
 ```

+至此 current 不为空的逻辑就结束了，我们可以在这里做个小小的总结：**在 beginWork 阶段 React 会先判断当前组件是否发生变化需要更新， 是否可以复用**
+
 ### current 为空

 didReceiveUpdate 赋值为 false