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Using our prepared data source, we are going to draw our the first segments of our Sunburst chart so that we have a basic understanding of the mechanics. This is always the important first step as we will very quickly see if this is going to be fit for purpose.

Node.js is an open-source, cross-platform, JavaScript run time environment that executes JavaScript code outside of a browser. Node.js comes with the Node Package Manager (NPM) that helps us install the required software.

In this lecture, we will be reinforcing our knowledge on our learned techniques to create a Packed Circle Chart in Tableau. We will be drawing circles and sizing them based on our data set.

Git is a free and open-source distributed version control system designed to handle everything from small to very large projects with speed and efficiency. Git is easy to learn and has a tiny footprint with lightning-fast performance. We will use Git and GitHub to save our work.

Now that we have downloaded the Tableau Extension API, we will go through the various folders, install the Tableau Extension API SDK Components, Build the TypeScript Samples, and test our extensions using a local server.

GitHub is a Git repository hosting service, but it adds many of its own features. While Git is a command-line tool, GitHub provides a Web-based graphical interface. It also provides access control and several collaboration features, such as a wikis and basic task management tools for every project.

YARN is a package manager that we will use to obtain our external libraries. Yarn caches every package it downloads so it never needs to download it again. It also parallelizes operations to maximize resource utilization so install times are faster than ever.

This course does require a basic understanding of programming; if you are new to programming or need a refresher course, I would highly recommend spending time to go through the following tutorials

An important first step is to set up your development environment. In this section, we have a series of videos to help guide you to install the required software and various packages (this is my decided set of tools). If you would prefer, you can download and work through the written installation guide attached in the resources.

Microsoft VS Code is a code editor refined and optimized for building and debugging modern web and cloud application. The best part, Microsoft VS Code is a free Integrated Development Environment (IDE) with an abundance of extensions.