If you take a look inside the src/index.js file, you'll see that there are three top-level middleware functions—checkEmptyPayload, checkContentTypeIsSet, and checkContentTypeIsJson—as well as an anonymous error handler function. These are prime candidates that we can extract into their own modules. So, let's get started!
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Building Enterprise JavaScript Applications
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Building Enterprise JavaScript Applications
By:
Overview of this book
With the over-abundance of tools in the JavaScript ecosystem, it's easy to feel lost. Build tools, package managers, loaders, bundlers, linters, compilers, transpilers, typecheckers - how do you make sense of it all?
In this book, we will build a simple API and React application from scratch. We begin by setting up our development environment using Git, yarn, Babel, and ESLint. Then, we will use Express, Elasticsearch and JSON Web Tokens (JWTs) to build a stateless API service. For the front-end, we will use React, Redux, and Webpack.
A central theme in the book is maintaining code quality. As such, we will enforce a Test-Driven Development (TDD) process using Selenium, Cucumber, Mocha, Sinon, and Istanbul. As we progress through the book, the focus will shift towards automation and infrastructure. You will learn to work with Continuous Integration (CI) servers like Jenkins, deploying services inside Docker containers, and run them on Kubernetes.
By following this book, you would gain the skills needed to build robust, production-ready applications.
Table of Contents (20 chapters)
Preface
Free Chapter
The Importance of Good Code
The State of JavaScript
Managing Version History with Git
Setting Up Development Tools
Writing End-to-End Tests
Storing Data in Elasticsearch
Modularizing Our Code
Writing Unit/Integration Tests
Designing Our API
Deploying Our Application on a VPS
Continuous Integration
Security – Authentication and Authorization
Documenting Our API
Creating UI with React
E2E Testing in React
Managing States with Redux
Migrating to Docker
Robust Infrastructure with Kubernetes
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