From 953c2e1b102707d930ec3e5553831b605b6eaa7c Mon Sep 17 00:00:00 2001
From: cgewecke <christophergewecke@gmail.com>
Date: Sat, 7 Dec 2019 14:43:11 -0800
Subject: [PATCH] Add babel polyfill to gulp browserify step

---
 gulpfile.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gulpfile.js b/gulpfile.js
index 0a7059bfaca..5778152b1be 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -167,7 +167,8 @@ packages.forEach(function(pckg, i) {
         var stream = browserify(browserifyOptions)
             .require(pckg.src, {expose: pckg.expose})
             .require('bn.js', {expose: 'BN'}) // expose it to dapp developers
-            .add(pckg.src);
+            .add(pckg.src)
+            .add(require.resolve("@babel/polyfill"));
 
         if (pckg.ignore) {
             pckg.ignore.forEach(function(ignore) {