Gain insights into building applications using Rails Webpacker, Webpack, and TypeScript. Explore Stimulus, React, state management, and communication with servers for richer interactions.

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In this course, you will learn to build a fully-functional application with Rails Webpacker, Webpack, and TypeScript.

To kick things off, you’ll walk through the basics of getting Rails set up to use Webpacker which will serve JavaScript and CSS to the browser. You’ll then get acquainted with Stimulus and React which will help with creating richer interactions.

In the latter half, you’ll work with TypeScript and set up communication between a server. Beyond that, you’ll work through managing state in your Stimulus code, as well as how to test and troubleshoot your application.

By the end of this course, you will be well equipped to create larger, more complex applications that make use of modern tools.

Modern Front-end Development for Rails

## Setting Webpacker up
To follow along, you don't need to install Webpacker but do look at [this lesson](https://www.educative.io/courses/modern-front-end-rails/installing-webpacker) to get an understanding of the file structure.


First, we want to make sure that everything is working. To connect the Webpacker build to our app, we need to add two `javascript_pack_tag` calls to the `app/views/layouts/application.html.erb` file, as follows:


# Setting Webpacker up
To follow along, you don't need to install Webpacker but do look at [this lesson](https://www.educative.io/courses/modern-front-end-rails/installing-webpacker) to get an understanding of the file structure.


First, we want to make sure that everything is working. To connect the Webpacker build to our app, we need to add two `javascript_pack_tag` calls to the `app/views/layouts/application.html.erb` file, as follows:


Let's take Webpacker for a spin and build something in this lesson.

Using Webpacker

Getting Started

Client-side Rails

Stimulus

React

Cascading Style Sheets

TypeScript

Webpack

Webpacker

Talking to the Server

Managing State in Stimulus Code

Managing State in React

Using Redux to Manage State

Validating Code with Advanced TypeScript

Testing with Cypress

More Testing and Troubleshooting Basics

Appendix

Using Webpacker

Setting Webpacker up