From 42ee7212d255fd5aa6085fa03c7f0a5bfc2ac4b7 Mon Sep 17 00:00:00 2001
From: "Kent C. Dodds" <kent+github@doddsfamily.us>
Date: Thu, 26 Sep 2019 16:24:48 -0600
Subject: [PATCH] set output.globalObject to 'this' (#7742)

Closes #7741
---
 packages/react-scripts/config/webpack.config.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/react-scripts/config/webpack.config.js b/packages/react-scripts/config/webpack.config.js
index 62f7b0c41b4..f60a1ed06fa 100644
--- a/packages/react-scripts/config/webpack.config.js
+++ b/packages/react-scripts/config/webpack.config.js
@@ -202,6 +202,9 @@ module.exports = function(webpackEnv) {
       // Prevents conflicts when multiple Webpack runtimes (from different apps)
       // are used on the same page.
       jsonpFunction: `webpackJsonp${appPackageJson.name}`,
+      // this defaults to 'window', but by setting it to 'this' then
+      // module chunks which are built will work in web workers as well.
+      globalObject: 'this',
     },
     optimization: {
       minimize: isEnvProduction,