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How to Start Using Typescript

Simon Pfeiffer on January 07, 2022

One of the most significant innovations in web development in the past decade has been the shift towards Typescript. As more and more employers are...

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Christian Bewernitz • Jan 8 '22

I would say that ! is as dangerous as as Xyz.

Basically you are saying: "I know what I'm doing, leave me alone."

But typescript only ever checks at compile time, never at runtime, so when you get back something else, a lot of assumptions in your code will go away.

It's better to check for undefined/null values if typescript tells you.

Which is also very convinient by using the operators introduced for that, like ?., ?? etc.

UponTheSky • Jan 9 '22 • Edited

Thanks for the good article.
I'm just wondering, that how you set up your own tsconfig.json?
It always gives me a big headache whenever I start my own ts-related projects or deploy them with Dockerfile.

I would like to listen to your opinion. Thanks!

Lior Ben-David • Jan 12 '22

Hi!

I tend to defer to Typescript's base configs. They have ones that you can take for vanilla JS, node, or react native projects:

typescriptlang.org/docs/handbook/t...

From there, I just adjust the config out of necessity, but these base configs tend to be sufficient.

UponTheSky • Jan 13 '22

Thanks for the reply! Have a nice day!

Christian Bewernitz • Jan 8 '22

I really like your careful introduction and it provides a way to use TS in the JS world.

But if you are curios about typescript without much hassle, try Deno.
It's really easy to get started and you don't have to transpile anything before being able to run TS code.
It even comes with a REPL ...