product engineer – code / ship / repeat
Florianópolis, Brazil
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I discovered writestellar.com and now I'm thinking of starting to write more in the next couple of months
Not a huge priority atm, but will try to fit it into my routine once I get in the habit of creating more content
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Developing your own type helpers as you learn TypeScript can make learning generics even more effective 👇
It's also rewarding to become less dependent on external dependencies for those simple type definitions
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Was learning about the builder pattern that @trpcio uses to inherit generics when initializing a server instance with initTRPC
Really powerful how you get all of the global inference benefits without having to use interfaces
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Was planning to ship more code today for the Elixir SDK but was stuck for hours trying to get some tests to run due to application config not loading properly
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Still learning a lot of things regarding TypeScript generics and their different levels
One of the exercises that I've been doing is to try to always provide the lowest level, just accessing what is really needed
Essentially letting the compiler do the heavy work
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TypeScript learnings:
TypeScript compiler isn't able to map a conditional type in the return of a function, cause it doesn't match the runtime code to the type-level code
The best way to solve it in a cleaner way using "as", is to abstract that to a type helper in the return
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Hey @nextjs team - is there any guidance on how to test API routes with the new Next.js 13?
We're trying to define unit tests for those but suffering to set mocks for requests
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I've added a Livebook file, it will allow developers to start testing the SDK against their API keys without having to integrate it into their codebase right away
It's also easier to test my changes locally while refactoring the SDK
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