Testdriven React Trevor Burnham by Trevor Burnham instant download after payment.

about React. This is a book about writing React code in a

joyful way. You might learn a few new things about React, but

that’s not my goal. My goal is to help you write better code,

and to have more fun doing it.

In Chapter 1, Test-Driven Development with Jest, you’ll get a

taste of test-driven development, a programming methodology

that uses tests to create a feedback loop as you work. For our

test framework, you’ll use the lightning-fast Jest library.

Chapter 2, Integrated Tooling with VS Code will introduce you

to some of my favorite tools: VS Code, an amazingly powerful

editor; ESLint and Prettier, the ultimate code beautification

duo; and Wallaby.js, which I can only describe as pure magic.

You’ll experience the wonder of instantaneous feedback as

you code.

Then in Chapter 3, Testing React with Enzyme, you’ll start

writing React components and testing them with the Enzyme

library. You’ll get acquainted with Babel, the compiler that lets

you write the JavaScript of the future, today. You’ll build a

complex component the TDD way, with 100% code coverage.

Chapter 4, Styling in JavaScript with Styled-Components is all

about style. You’ll use the styled-components library to add

pizzazz to our React components. All of these styles will be

defined in JavaScript, making them easy to test. You’ll start

using one of Jest’s most powerful features: snapshots. And

you’ll set up webpack so that you can view the fruits of your

labor in the browser.

In Chapter 5, Refactoring with Higher-Order Components,

you’ll learn some important techniques for refactoring React

components. You’ll extract pieces of functionality into higher-

order components (HOCs), encouraging code reuse and

allowing core components to stay small and easy to test. And

you’ll look at your components with X-ray vision through the

power of the React Devtools.

Finally, in Chapter 6, Continuous Integration and

Collaboration, you’ll meet all the