Add react app rewired

Author: completejavascript

config-overrides.js

@@ -0,0 +1,5 @@
+module.exports = function override(config, env) {
+  //do stuff with the webpack config...
+  console.log('config overrides: ', env);
+  return config;
+};

package.json

@@ -8,13 +8,14 @@
     "@testing-library/user-event": "^7.1.2",
     "node-sass": "^4.13.0",
     "react": "^16.12.0",
+    "react-app-rewired": "^2.1.5",
     "react-dom": "^16.12.0",
     "react-scripts": "3.3.0"
   },
   "scripts": {
-    "start": "react-scripts start",
-    "build": "react-scripts build",
-    "test": "react-scripts test",
+    "start": "react-app-rewired start",
+    "build": "react-app-rewired build",
+    "test": "react-app-rewired test",
     "eject": "react-scripts eject"
   },
   "eslintConfig": {

yarn.lock

@@ -8579,6 +8579,13 @@ react-app-polyfill@^1.0.5:
     regenerator-runtime "^0.13.3"
     whatwg-fetch "^3.0.0"
 
+react-app-rewired@^2.1.5:
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/react-app-rewired/-/react-app-rewired-2.1.5.tgz#592ec2eae5c3c5cd96c80930b5dc3f6c34da1dc6"
+  integrity sha512-Gr8KfCeL9/PTQs8Vvxc7v8wQ9vCFMnYPhcAkrMlzkLiMFXS+BgSwm11MoERjZm7dpA2WjTi+Pvbu/w7rujAV+A==
+  dependencies:
+    semver "^5.6.0"
+
 react-dev-utils@^10.0.0:
   version "10.0.0"
   resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-10.0.0.tgz#bd2d16426c7e4cbfed1b46fb9e2ac98ec06fcdfa"