From 3e165448a7fd84c1df037045672a9cb5c5baf9f8 Mon Sep 17 00:00:00 2001
From: Dmitriy Sadkovoy <sadkovoy@i.ua>
Date: Thu, 7 Jun 2018 10:06:47 +0300
Subject: [PATCH] Added thread-loader config for application code entrypoint
 (#4582)

---
 packages/react-scripts/config/webpack.config.dev.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/react-scripts/config/webpack.config.dev.js b/packages/react-scripts/config/webpack.config.dev.js
index 9280cff321..3f43528ccd 100644
--- a/packages/react-scripts/config/webpack.config.dev.js
+++ b/packages/react-scripts/config/webpack.config.dev.js
@@ -222,7 +222,12 @@ module.exports = {
             use: [
               // This loader parallelizes code compilation, it is optional but
               // improves compile time on larger projects
-              require.resolve('thread-loader'),
+              {
+                loader: require.resolve('thread-loader'),
+                options: {
+                  poolTimeout: Infinity // keep workers alive for more effective watch mode
+                },
+              },
               {
                 loader: require.resolve('babel-loader'),
                 options: {