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Professional TypeScript

Node.js CI ts-nightly compat

What's this course about?

This course is intended to help those already somewhat familiar with TypeScript as a programming language, to the point where they're more ready to use it in a real situation with real stakes. Mike shares some of the experience he's had as LinkedIn's TypeScript infrastructure lead, so you don't have to learn things "the hard way" like he did.

Project setup

First, you should ensure you have your ssh keys working with GitHub. You can verify this by running

ssh [email protected]

and getting a response like

Hi mike-north! You've successfully authenticated, but GitHub does not provide shell access.
Connection to closed.

Tools you MUST have installed

Next, make sure you have installed volta which ensures you have the right version of node and yarn for this project

We also strongly recommend the use of Visual Studio Code as an authoring tool. If you use something else, you're on your own.


Next, checkout a working copy of this project

git clone [email protected]:mike-north/professional-ts

enter the directory you just created

cd professional-ts

Install dependencies

is the recommended package manager to use with this project. Please use it instead of npm.

Install dependencies with yarn by running


Starting the project

Start up the project in development mode by running

yarn dev

Changing any files in the

folder will result in an incremental rebuild, and a refresh of the screen.

By default, the app is served on http://localhost:1234.


© 2020 LinkedIn, All Rights Reserved


The code in this project is licensed as BSD-2-Clause license, and the written content in the ./notes folder is licensed under CC BY-NC-SA 4.0

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