Ask HN: What are the best open source TypeScript projects I can learn from?

#1

Post by pototo666 » Sun, Jan 01, 2023, 10:43 AM UTC

What are the best open source TypeScript frontend and backend real world projects I can learn from?

I am a self-taught web developers and I haven't worked for any good companies. There are no seniors reviewing my code.

My code quality can be improved but I don't know how. Maybe reading some good codebase is a way out.

I use React in frontend and express in Backend. Do you know any good OSS projects that use those stacks?

Maybe I should read popular OSS frameworks instead of web app's source code? I am thinking of changing my job, so reading real web app's source code might be more relavant.

I am very thankful for any advices. And Happy New Year!

Re: Ask HN: What are the best open source TypeScript projects I can learn from?

#2

Post by bunnyfoofoo » Sun, Jan 01, 2023, 11:00 AM UTC

For backend and general typescript knowledge, I’d highly recommend Apollo GraphQL: https://github.com/apollographql/apollo-server

Check out their apollo-server and apollo-client repos. It’s a very useful codebase to be knowledgeable about. This is something you should mention in an interview as a strong positive if the company wants graphql experience.

Re: Ask HN: What are the best open source TypeScript projects I can learn from?

#3

Post by darkest_ruby » Sun, Jan 01, 2023, 11:05 AM UTC

Fp-ts and io-ts, best examples of what functional programming along with strict type safety can achieve. The source code is a pleasure to read and explore

Re: Ask HN: What are the best open source TypeScript projects I can learn from?

#4

Post by td8 » Sun, Jan 01, 2023, 11:07 AM UTC

I don't know about the quality, but Mattermost is in TS: https://github.com/mattermost/mattermost-webapp

Re: Ask HN: What are the best open source TypeScript projects I can learn from?

#5

Post by nullandvoid » Sun, Jan 01, 2023, 11:14 AM UTC

This could be a good place https://create.t3.gg (understanding all the code generation would be useful, but also you can deep dive into any one of the type safe libraries).

Re: Ask HN: What are the best open source TypeScript projects I can learn from?

#6

Post by TowerTall » Sun, Jan 01, 2023, 11:19 AM UTC

This book gave me a good push in the right direction when I was in the same situation as you many years ago. It gave me the tools I needed, and it is still very relevant today. "old but not obsolete" as they say in the terminator movie.

https://en.wikipedia.org/wiki/Code_Complete

Re: Ask HN: What are the best open source TypeScript projects I can learn from?

#7

Post by sebrindom » Sun, Jan 01, 2023, 11:31 AM UTC

You should check out https://github.com/medusajs/medusa

It’s an open source commerce engine built in Node w. TypeScript. The domain is fairly easy to wrap your head around and the architecture and code quality are often praised.

Re: Ask HN: What are the best open source TypeScript projects I can learn from?

#8

Post by m_a_g » Sun, Jan 01, 2023, 11:40 AM UTC

I want to ask the same question for Python and Go. I'd love to see some quality OSS using Python or Go and contribute to them if I can.

Re: Ask HN: What are the best open source TypeScript projects I can learn from?

#9

Post by thejosh » Sun, Jan 01, 2023, 11:42 AM UTC

m_a_g wrote: post #8

I want to ask the same question for Python and Go. I'd love to see some quality OSS using Python or Go and contribute to them if I can.

The best opensource projects that you'll stay interested in the medium-long term are projects you actively use. Anything else you'll get bored of.

Re: Ask HN: What are the best open source TypeScript projects I can learn from?

#10

Post by fifilura » Sun, Jan 01, 2023, 11:45 AM UTC

m_a_g wrote: post #8

I want to ask the same question for Python and Go. I'd love to see some quality OSS using Python or Go and contribute to them if I can.

My reaction to that question regardless of language is that I expect to find some unreadable code soup.

Which probabaly has 100% test coverage but is abstracted to death.

Probaly the best codebase is something which does not pass scrutiny on every single line, but it "just works".