From f17b165f0fa2ff7b9537cfc368796aa92ae91139 Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Sun, 17 Sep 2017 02:40:48 -0400
Subject: Babel 7 (#23966)

* use .babelrc.js, compile bundled/non-bundled with loose mode

* add back helper, exclude typeof transform
---
 build/rollup.config.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'build')

diff --git a/build/rollup.config.js b/build/rollup.config.js
index d6eb0cf5d..47e302b78 100644
--- a/build/rollup.config.js
+++ b/build/rollup.config.js
@@ -11,11 +11,9 @@ const plugins = [
   babel({
     exclude: 'node_modules/**', // only transpile our source code
     externalHelpersWhitelist: [ // include only required helpers
-      'typeof',
-      'classCallCheck',
+      'defineProperties',
       'createClass',
-      'inherits',
-      'possibleConstructorReturn'
+      'inheritsLoose'
     ]
   })
 ]
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