Book Image

Hands-On JavaScript High Performance

By : Justin Scherer
1 (1)
Book Image

Hands-On JavaScript High Performance

1 (1)
By: Justin Scherer

Overview of this book

High-performance web development is all about cutting through the complexities in different layers of a web app and building services and APIs that improve the speed and performance of your apps on the browser. With emerging web technologies, building scalable websites and sustainable web apps is smoother than ever. This book starts by taking you through the web frontend, popular web development practices, and the latest version of ES and JavaScript. You'll work with Node.js and learn how to build web apps without a framework. The book consists of three hands-on examples that help you understand JavaScript applications at both the server-side and the client-side using Node.js and Svelte.js. Each chapter covers modern techniques such as DOM manipulation and V8 engine optimization to strengthen your understanding of the web. Finally, you’ll delve into advanced topics such as CI/CD and how you can harness their capabilities to speed up your web development dramatically. By the end of this web development book, you'll have understood how the JavaScript landscape has evolved, not just for the frontend but also for the backend, and be ready to use new tools and techniques to solve common web problems.
Table of Contents (15 chapters)

Integrating into CircleCI

As we mentioned previously, development in the real world has dramatically shifted in the past couple of decades. From building everything locally and deploying from our development machines to complicated orchestration and dependency deployment trees, we have seen a rise in tools that help us rapidly develop and deploy.

One example of this is the CI/CD tools that we have available to us, such as Jenkins, Travis, Bamboo, and CircleCI. These tools pick up on various hooks, such as pushing code to a remote repository and instantly running a build. We will be utilizing CircleCI as our tool of choice. It is easy to set up and an easy-to-use development tool that has a nice free tier for developers.

In our case, this build is going to be doing the following three things:

  1. Pulling in all of our project dependencies
  2. Running our Node.js build script
  3. Deploying...