From 9d6f7b28281b6a677c4686b613ff450e8a9be6fb Mon Sep 17 00:00:00 2001
From: Alvis HT Tang <alvis@hilbert.space>
Date: Thu, 26 Apr 2018 19:18:49 +0100
Subject: [PATCH] fix: make babel-polyfill working

see https://github.com/gatsbyjs/gatsby/issues/2177
---
 gatsby-browser.tsx | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/gatsby-browser.tsx b/gatsby-browser.tsx
index 9c25939..ee98bdd 100644
--- a/gatsby-browser.tsx
+++ b/gatsby-browser.tsx
@@ -17,9 +17,18 @@
  * -------------------------------------------------------------------------
  */
 
-// import Browser from '#definitions/gatsby/browser';
+import 'babel-polyfill';
 
-// export const onClientEntry: Browser.onClientEntry = (): void => {};
+import Browser from '#definitions/gatsby/browser';
+
+/*
+ * onClientEntry is required for the polyfill to be loaded
+ * see https://github.com/gatsbyjs/gatsby/issues/2177
+ */
+export const onClientEntry: Browser.onClientEntry = (): void => {
+  // no need to do anything here, but if you don't
+  // export something, the import won't work.
+};
 
 // export const onInitialClientRender: Browser.onInitialClientRender = (): void => {};