From 6c8e2e53c5cca6226a5dc1509f6ca26f509fcbd7 Mon Sep 17 00:00:00 2001
From: Ian Schmitz <ianschmitz@gmail.com>
Date: Wed, 20 Feb 2019 18:24:19 -0800
Subject: [PATCH] Use contenthash instead of chunkhash for better long-term
 caching (#6387)

---
 packages/react-scripts/config/webpack.config.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/react-scripts/config/webpack.config.js b/packages/react-scripts/config/webpack.config.js
index a3e31b14824..f6c0e7a237a 100644
--- a/packages/react-scripts/config/webpack.config.js
+++ b/packages/react-scripts/config/webpack.config.js
@@ -161,11 +161,11 @@ module.exports = function(webpackEnv) {
       // There will be one main bundle, and one file per asynchronous chunk.
       // In development, it does not produce real files.
       filename: isEnvProduction
-        ? 'static/js/[name].[chunkhash:8].js'
+        ? 'static/js/[name].[contenthash:8].js'
         : isEnvDevelopment && 'static/js/bundle.js',
       // There are also additional JS chunk files if you use code splitting.
       chunkFilename: isEnvProduction
-        ? 'static/js/[name].[chunkhash:8].chunk.js'
+        ? 'static/js/[name].[contenthash:8].chunk.js'
         : isEnvDevelopment && 'static/js/[name].chunk.js',
       // We inferred the "public path" (such as / or /my-project) from homepage.
       // We use "/" in development.