fix(components): [affix] expose updateRoot (element-plus#9159)

CodeListener · sxzz · web-flow · commit 4a20c326fa93 · 2022-08-27T16:52:06.000Z
Co-authored-by: 三咲智子 &lt;sxzz@sxzz.moe&gt;
diff --git a/packages/components/affix/src/affix.vue b/packages/components/affix/src/affix.vue
@@ -126,5 +126,7 @@ watchEffect(update)
 defineExpose({
   /** @description update affix status */
   update,
+  /** @description update rootRect info */
+  updateRoot,
 })
 </script>
