strong-mock
io-ts
strong-mock | io-ts | |
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4 | 80 | |
92 | 6,602 | |
- | - | |
7.5 | 4.9 | |
13 days ago | 5 months ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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strong-mock
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libraries you are happy that you discovered them
Shameless plug, but feel free to try https://github.com/NiGhTTraX/strong-mock as an alternative.
- strong-mock: Type safe mocking library for TypeScript
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"as unknown as Promise<Response>" if you don't want to mock the whole Response object
If checking that getData is called using the correct input, consider using strong-mock.
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How do you test an Axios call to a GraphQL API in React?
Depending on how you want to check the call, you might want to use a spying library (sinon, jest.fn etc). Check out strong-mock if you're using TypeScript.
io-ts
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TDD
Qué rico. Si tenés chance meté un proceso de code review fuerte, y para el tema de I/O probá a usar https://github.com/Effect-TS/schema ó https://github.com/gcanti/io-ts que les da una solución obvia al tema de "tipos para lo que devuelva el backend", aunque es en realidad mucho más capaz que eso.
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Domain modelling with State Machines and TypeScript by Carlton Upperdine
My fave is still io-ts (https://github.com/gcanti/io-ts/blob/master/docs/index.md) as I find it more flexible than zod at the ingress. The author is also working on the Effect ecosystem which also looks interesting.
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Why I Like Using Maps (and WeakMaps) for Handling DOM Nodes
I’ve been using io-ts for this and been very happy with it. [1] It’s similar to Swift’s Coding protocol in case you’re familiar.
[1] https://gcanti.github.io/io-ts/
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Can someone recommend a library for data parsing similar to Zod, but with better support for input transformations/preprocessing?
Yeah, there are a few new concepts and it's not the easiest to pick up right away. The best introduction is here on the main documentation page.
- libraries you are happy that you discovered them
- Is React for small projects an Overkill?
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how to strictly type this?
We use https://github.com/gcanti/io-ts/blob/master/Decoder.md which has a very similar interface. It can even be used to mutate the data using https://github.com/gcanti/io-ts/blob/master/Decoder.md#the-parse-combinator.
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Typescript advanced bits: function overloading, never and unknown types
A good way to significantly improve the reliability of your app is via improving type-safety by moving away from using any to unknown. One relevant example could be when you type your backend responses and when stringifying JSON to using unknown combined with some sort of runtime type checking. It can be done either by using built-in functionality like type guards or using an external library like io-ts, zod or yup.
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I found 10,000x faster TypeScript validator library
Usage of TypeBox is similar with io-ts and zod, but it is much powerful and faster than them. Also, TypeBox can generate JSON schema very easily. Therefore, if you're looking for a validator library for new project and not suffering from legacy codes, I think TypeBox would be much better choice than io-ts and zod. TypeBox can totally replace them.
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Validate your data with Zod
This check can be done with different libraries like: io-ts, typebox, or zod. These libraries allow you to create objects that represent your typescript definitions. Then, these objects can be used at runtime to validate the received data, in addition, you can also convert this object to a Typescript definition to have all the benefits of using typescript. These objects can be called schema validations because they are responsible for the data validation.
What are some alternatives?
ts-mockito - Mocking library for TypeScript
zod - TypeScript-first schema validation with static type inference
mock-inspect - Mocks network requests and allows you to make assertions about how these requests happened. Supports auto-mocking of graphQL requests given a valid schema.
class-validator - Decorator-based property validation for classes.
data - Data modeling and relation library for testing JavaScript applications.
openapi-generator - OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
wonka - 🎩 A tiny but capable push & pull stream library for TypeScript and Flow
runtypes - Runtime validation for static types
ng-mocks - Angular testing library for mocking components, directives, pipes, services and facilitating TestBed setup
fp-ts - Functional programming in TypeScript
shoehorn - Work seamlessly with partial mocks in TypeScript.
joi - The most powerful data validation library for JS [Moved to: https://github.com/hapijs/joi]