React Router Quick Start Guide

Installing dependencies

Let's first create a server-side application using the npm init command:

npm init -y

This will create a file, package.json, with default values for various fields. The next step is to add dependencies:

npm install --save react react-dom react-router react-router-dom express

The preceding command will add all the necessary libraries to the dependencies list in the package.json file. Please note that we are not creating a React application using the create-react-app CLI; instead, we will add the required dependencies and write the configuration files for building the application. 

To build the application, the following dev dependencies are added to the devDependencies list:

npm install --save-dev webpack webpack-cli ...