From e14d2da4fc1413c5c50824a8f1396541fe9fc51a Mon Sep 17 00:00:00 2001
From: ekaradon <ekaradon@users.noreply.github.com>
Date: Sun, 20 Nov 2016 18:24:54 +0100
Subject: [PATCH] fix poor performance with firefox when using `eval` as
`devtool` (#924)
Enable sourcemaps in development
---
packages/react-scripts/config/webpack.config.dev.js | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/packages/react-scripts/config/webpack.config.dev.js b/packages/react-scripts/config/webpack.config.dev.js
index c2b544cca..fff8cd705 100644
--- a/packages/react-scripts/config/webpack.config.dev.js
+++ b/packages/react-scripts/config/webpack.config.dev.js
@@ -33,11 +33,9 @@ var env = getClientEnvironment(publicUrl);
// It is focused on developer experience and fast rebuilds.
// The production configuration is different and lives in a separate file.
module.exports = {
- // This makes the bundle appear split into separate modules in the devtools.
- // We don't use source maps here because they can be confusing:
- // https://github.com/facebookincubator/create-react-app/issues/343#issuecomment-237241875
- // You may want 'cheap-module-source-map' instead if you prefer source maps.
- devtool: 'eval',
+ // You may want 'eval' instead if you prefer to see the compiled output in DevTools.
+ // See the discussion in https://github.com/facebookincubator/create-react-app/issues/343.
+ devtool: 'cheap-module-source-map',
// These are the "entry points" to our application.
// This means they will be the "root" imports that are included in JS bundle.
// The first two entry points enable "hot" CSS and auto-refreshes for JS.
--
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