railspostgresssl.tar.gz

introduction/01

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introduction/01_testing

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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

The set of values the front end needs in order to draw the correct information to the screen and properly manage user interaction.

The mode that the application is deployed into the front-end: development, production, or testing. 

What is the state in front-end development?

<p>What is the state in front-end development?</p>


React manages state by passing state variables up and down the component tree to ensure that all the components are working off of the same data.

React manages state by writing and reading values directly from the DOM.

Stimulus manages state by passing state variables up and down the component tree to ensure that all the components are working off of the same data.

Stimulus manages state by writing and reading values directly from the DOM.

Test yourself on state management with Stimulus.

Quiz Yourself on State in Stimulus

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

Quiz Yourself on State in Stimulus