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Building Enterprise JavaScript Applications

Building Enterprise JavaScript Applications

By : Daniel Li
4.6 (5)
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Building Enterprise JavaScript Applications

Building Enterprise JavaScript Applications

4.6 (5)
By: Daniel Li

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)
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1
The Importance of Good Code

Starting projects with npm


For Node.js projects, the settings and configurations are stored inside a file named package.json, located at the root of the repository. The npm CLI tool provides a npm init command, which will initiate a mini-wizard that helps you compose your package.json file. So, inside our project directory, run npm init to initiate the wizard. 

The wizard will ask you a series of questions, but also provides sensible defaults. Let's go through each question one by one:

  1. package name: We are happy with the default name of hobnob (derived from the directory name), so we can just press the Return key to continue.
  2. version: We're going to follow semantic versioning (semver) here and use major version 0(0.y.z) to indicate that our code base is under initial development, and that the API is not stable. Semver also recommends that our initial release be 0.1.0.
  1. description: A brief description of your project; if we make our application public on npmjs.com, this description will appear...

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