From d4955468839568ccc8ede6b3949ee743f134f141 Mon Sep 17 00:00:00 2001
From: martinoooo <xiaomeng@youzan.com>
Date: Mon, 13 Jul 2020 14:01:19 +0800
Subject: [PATCH] fix: walksScope throw error when path.parentPath is null
 (#25)

---
 packages/babel-plugin-jsx/src/utils.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-plugin-jsx/src/utils.ts b/packages/babel-plugin-jsx/src/utils.ts
index 58eb701..2fb562b 100644
--- a/packages/babel-plugin-jsx/src/utils.ts
+++ b/packages/babel-plugin-jsx/src/utils.ts
@@ -275,7 +275,7 @@ const parseDirectives = (args: {
 };
 
 const walksScope = (path: NodePath, name: string) => {
-  if (path.scope.hasBinding(name)) {
+  if (path.scope.hasBinding(name) && path.parentPath) {
     path.parentPath.setData('optimize', false);
     walksScope(path.parentPath, name);
   }