Learn Babel, React-storybook and Screen-reader

A large number of people are unable to use the web effectively due to an impairment or disability.

As developers there are several tools and techniques we can use to make our web applications accessible, ensuring a great user experience that includes everyone.

We all agree that Accessibility is important. However, it’s a broad landscape and can be overwhelming figuring out where to start!

Erin Doyle is an expert in creating accessible React applications and has developed a course that will give you a concrete process for testing, refactoring, and building your applications with accessibility in mind.

After this course, you'll have a jump start on auditing and fixing accessibility issues in your applications and gain a better understanding of your target users and how to approach your web app design from their perspectives.


React is one of the web’s most popular frameworks for building JavaScript applications. 

If you know what you’re doing, React can drastically simplify how you build, use, and maintain code.

Whether you’re a React newbie or you’re ready for advanced techniques, you can level-up with egghead. Explore our in-depth courses, lessons, and community resources to build more powerful applications and crack open your career.

react

Develop Accessible Web Apps with React

In this lesson, we show how to setup React Storybook into an existing React project. We’ll go through common configuration files and how to adjust them.

Add React Storybook to a Project 

Components trigger actions via function props to notify of events that occur within the Component. We can inspect those events using React Storybook.

Inspect Component Events with React Storybook

npm is the package manager for JavaScript. Find, share, and reuse packages of code from hundreds of thousands of developers — and assemble them in powerful new ways.

We can write our package using the latest JavaScript syntax with a compilation step. In this lesson we will install `babel-cli` and `babel-preset-latest` and wire up a `build` script to compile our code using the babel “latest” preset when source files change. This means those using our package can use it in any version of JavaScript even though we are using the latest syntax for our source code.

Set up compilation of source code using babel with npm scripts

screen-reader

There are many techniques for hiding content in user interfaces, and not all are created equal! Learn how different hiding techniques in HTML, CSS and ARIA impact keyboard and screen reader users in addition to visual display. As a bonus, we'll also take a look using a screen reader on a mobile device.

How Visible vs. Hidden Elements Affect Keyboard/Screen Reader Users



[React Storybook](https://github.com/kadirahq/react-storybook) is a UI component development environment for React.
With that, you can develop UI components without running your app.

Here I show how to get started with React Storybook.
For more information, have a look at our [documentation](https://getstorybook.io/docs).

Getting Started with React Storybook

React Component stories can be dynamically loaded into React Storybook instead of doing it manually every time.

Load React Storybook Stories Dynamically

Babel has support for the latest version of JavaScript through syntax transformers. These plugins allow you to use new syntax, right now without waiting for browser support.

babel

What is already a nice workflow using Gulp, Browserify, Watchify & Browsersync to enable auto rebuilds & live browser reloading can be further improved by adding Babelify. A simple wrapper around the popular transpiler Babel, Babelify can ‘transform’ source files as they pass through our stream to enable certain Javascript features not yet available in the Browser or Node. We end the lesson by looking at how to generate & extract sourcemaps using `exorcist`.

Gulp and Browserify - Adding Babel & Source Maps

Story is the smallest unit of React Storybook. A story describes a React Component, and its various states and variations. Stories can describe complex components with dynamic properties and data loaded from a service. In this lesson we will write our first React Storybook story.

Write the First React Storybook Story

Babel is a compiler that lets us right future JavaScript not yet fully in browsers (ES6 / ES2015, ES7 / ES2016, etc) and transpile it back into code that can be used now. We'll walk through installing babel, writing some future JS syntax, transpiling it, and running it in a browser.

**This lesson is out of date and uses an older version of Babel.**

Writing next generation JavaScript with Babel 5 (out of date)

React Storybook allows for easy snapshot testing integration with Facebook's Jest testing framework. Snapshot testing allows you to capture the state of your UI and then notify you when that UI has been altered. We can easily create and update snapshots with Storybook!
 




Jest Snapshot Testing with React Storybook

Storybook is a UI component development environment for React, Vue, and Angular. With that, you can develop UI components without running your app.

Here I show how to set up Storybook to display React components from scratch.

Set up Storybook for React from Scratch

Vue (pronounced /vjuː/, like view) is a progressive framework for building user interfaces. Unlike other monolithic frameworks, Vue is designed from the ground up to be incrementally adoptable. The core library is focused on the view layer only, and is very easy to pick up and integrate with other libraries or existing projects. On the other hand, Vue is also perfectly capable of powering sophisticated Single-Page Applications when used in combination with modern tooling and supporting libraries.

In this lesson we'll go through the process of setting up Storybook for Vue. We'll use Vue CLI to create a new Vue application and Storybook CLI to setup some initial stories and config. Storybook can help you develop UI components in an isolated area without running your full application.

*Additional Resources*
https://medium.com/storybookjs/introducing-storybook-for-vue-940f222541c5
https://storybook.js.org/basics/guide-vue/

 Getting Started With Storybook for Vue

Storybook is a UI component development environment for React, Vue, and Angular. With that, you can develop UI components without running your app.

Here I show the best configuration for React Storybook, and walk through adding your very first React Component and Story to your Storybook.

Add your first React Story to Storybook

Storybook is a UI component development environment for React, Vue, and Angular. With that, you can develop UI components without running your app.

Here I show how to add a landing/welcome page to your Storybook, so that first-time viewers get to read a message from you or have some orientation around the structure of the Storybook you are building. We also introduce the idea of sequential additions to your Storybook config so you can get a sense of how to modify it for your own needs.

Add a Welcome Page with Sequential Stories to a React Storybook

Storybook is a UI component development environment for React, Vue, and Angular. With that, you can develop UI components without running your app.

Storybook has a rich Addons ecosystem that really adds a lot to the developer experience. Here I show how to set up the JSX Addon in Storybook to display the code behind React components. The juxtaposition of code and visual display can be very effective documentation for any users of your components.

Display the JSX of a React Storybook Story with the JSX Addon

Storybook is a UI component development environment for React, Vue, and Angular. With that, you can develop UI components without running your app.

Here I show how to set up the Info addon to make your Storybook stories into interactive documentation, including the best way to style the Info addon to your heart's desires.

Apply Style to a React StoryBook with the Info addon to Turn Stories into Documentation

Storybook is a UI component development environment for React, Vue, and Angular. With that, you can develop UI components without running your app.

Here I show how to set up the Knobs decorator in Storybook to make your Storybook stories infinitely interactive based on their props, and not just your predefined Stories.

Create Interactive Storybook Stories with the Knobs Decorator

Storybook is a UI component development environment for React, Vue, and Angular. With that, you can develop UI components without running your app.

Here I show how best to configure a React Storybook to use [Typescript](/q/typescript) (with TSX). This lets you write your reusable components with maximal type safety. Please see the provided code for the full source.

Configure React Storybook for use with Typescript

Storybook is a UI component development environment for React, Vue, and Angular. With that, you can develop UI components without running your app.

In this short video I show how to set up the `react-docgen-typescript-webpack-plugin`, a neat plugin that leverages the types you are -already- writing for Typescript to autogenerate documentation. 

Automate Documentation Generation in your Typescript React Codebase with Storybook

In this course, we will learn how to set up all the necessary infrastructure to build a Design System of reusable React components, with state of the art developer experience enabled by Typescript and Storybook.

A design system is a series of components that can be reused in different combinations. Design systems allow you to manage design at scale. Head to designsystemsrepo.com and you can see Design Systems used by some of the biggest companies and strongest brands from Priceline, Apple, IBM, Wework, Github, and even the US Government. Design Systems can be a significant productivity multiplier in any medium-to-large project or company because you can document your components as you develop them, ensure a consistent look and feel throughout all your screens, and have a seamless workflow between designers and developers.

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