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Work Station Setup

How to execute commands?

Few steps below requires you to execute some commands, it is not so scary as it looks.

Just follow these tutorials and you will be fine:

Visual Studio Code

We are going to use a code editor, which is pretty popular amongst developers. Download & install from code.visualstudio.com, after the installation make sure that everything works fine.

node & npm

Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient.

To execute code written by you, we are going to use node, download & install LTS version

install node

Detailed instructions (don't pay attention to versions, these videos may be outdated):

Since we are going to use superset of JavaScript - TypeScript, install additional package ts-node.

Simply execute these two commands:

  • npm install -g ts-node
  • npm install -g typescript

On Mac / Linux you may get following error - Error: EACCES: permission denied error, which means that you cannot install package globally using -g flag. To install package globally add sudo at the beginning of your command, so that npm install -g ts-node becomes sudo npm install -g ts-node.

Verify

  • check node version: node -v
  • check npm version: npm -v
  • execute code with ts-node: ts-node -e "console.log('Hello, World!')"

Git

We will use Git as our Version Control System. It's like Dropbox for developers. But much better!

Follow this guide from Github to setup Git.

What is "version control"? Version control is a system that records changes to a file or set of files over time so that you can recall specific versions later.

It allows you to revert files back to a previous state, revert the entire project back to a previous state, compare changes over time, see who last modified something that might be causing a problem, who introduced an issue and when, and more. Using a VCS also generally means that if you screw things up or lose files, you can easily recover. In addition, you get all this for very little overhead.

Extract from Git Pro Book

What is Git? Git is one of many Version Control Systems available to use, and by far the most popular.

What is Github? Github is a very popular site where you can publish and share your Git repositories, share and collaborate with other people.

Verify

  • check Git version: git --version