From 1b0f19b019060730fcc54caa1a5e7595eef7bb4f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Wed, 19 Aug 2020 15:35:27 -0400
Subject: [PATCH] fix: do not mutate newTypes (#11978)

---
 eslint/babel-eslint-parser/src/visitor-keys.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/eslint/babel-eslint-parser/src/visitor-keys.js b/eslint/babel-eslint-parser/src/visitor-keys.js
index 9cc7f0c315..abf0c1b515 100644
--- a/eslint/babel-eslint-parser/src/visitor-keys.js
+++ b/eslint/babel-eslint-parser/src/visitor-keys.js
@@ -19,4 +19,4 @@ export const conflictTypes = {
   ExportAllDeclaration: ESLINT_VISITOR_KEYS.ExportAllDeclaration,
 };
 
-export default Object.assign(newTypes, t.VISITOR_KEYS, conflictTypes);
+export default { ...newTypes, ...t.VISITOR_KEYS, ...conflictTypes };