From aa474017d72279dd242f3986a33082a6e5f2a816 Mon Sep 17 00:00:00 2001
From: Telegin Evgeniy <telegin.zhenya@gmail.com>
Date: Wed, 16 Jan 2019 15:32:47 +0600
Subject: [PATCH] Add iOS 10 support for TerserPlugin (#6067)

Resolves #5630
---
 packages/next/build/webpack-config.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/next/build/webpack-config.js b/packages/next/build/webpack-config.js
index 0ef6388a..68021644 100644
--- a/packages/next/build/webpack-config.js
+++ b/packages/next/build/webpack-config.js
@@ -124,7 +124,11 @@ function optimizationConfig ({ dev, isServer, totalPages, target }) {
 
   // Terser is a better uglifier
   config.minimizer = [
-    new TerserPlugin(terserPluginConfig)
+    new TerserPlugin({...terserPluginConfig,
+      terserOptions: {
+        safari10: true
+      }
+    })
   ]
 
   // Only enabled in production