react app start

package.json

@@ -1,7 +1,9 @@
 {
   "name": "ps-redux",
   "description": "React and Redux Pluralsight course by Cory House",
-  "scripts": {},
+  "scripts": {
+    "start": "webpack-dev-server --config webpack.config.dev.js --port 3000"
+  },
   "dependencies": {
     "bootstrap": "4.3.1",
     "immer": "2.1.3",
@@ -50,5 +52,10 @@
   },
   "engines": {
     "node": ">=8"
+  },
+  "babel": {
+    "presets": [
+      "babel-preset-react-app"
+    ]
   }
 }

webpack.config.dev.js

@@ -2,12 +2,12 @@ const webpack = require("webpack");
 const path = require("path");
 const HtmlWebpackPlugin = require("html-webpack-plugin");
 
-process.env.NODE_ENV = "developent";
+process.env.NODE_ENV = "development";
 
 module.exports = {
-  node: "development",
+  mode: "development",
   target: "web",
-  devTools: "cheap-module-source-map",
+  devtool: "cheap-module-source-map",
   entry: "./src/index",
   output: {
     path: path.resolve(__dirname, "build"),