clipanion
io-ts
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clipanion | io-ts | |
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6 | 80 | |
1,044 | 6,593 | |
- | - | |
5.5 | 4.9 | |
25 days ago | 5 months ago | |
TypeScript | TypeScript | |
- | MIT License |
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Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
clipanion
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The Landscape of npm Packages for CLI Apps
I maintain Clipanion, which we use in Yarn. I think you'll like it a lot if you work with TypeScript - it doesn't just has types, it also lets you strongly type your application - without any code duplication.
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Sharing Our Journey Developing the Leon CLI
Let us introduce another alternative: Clipanion, a type-safe CLI library with no runtime dependencies, made with TypeScript.
- Fetch API has landed into Node.js
- Clipanion: Type-safe CLI library
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Yarn 3.0 đđ¤ Performances, ESBuild, Better Patches, ...
Yarn supports writing plugins that can inject themselves into various places and leverage some of the builtin modules provided by the core. While we didn't get the chance to make all the improvements we hoped, we've still been able to upgrade the command line framework to Clipanion 3, which lets you write intuitive type-checked commands with a minimal syntactic overhead.
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The complexity that lives in the GUI
Hi me! đ I agree 100% All hail Clipanion!
io-ts
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TDD
QuĂŠ rico. Si tenĂŠs chance metĂŠ un proceso de code review fuerte, y para el tema de I/O probĂĄ a usar https://github.com/Effect-TS/schema Ăł https://github.com/gcanti/io-ts que les da una soluciĂłn obvia al tema de "tipos para lo que devuelva el backend", aunque es en realidad mucho mĂĄs 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
Iâve been using io-ts for this and been very happy with it. [1] Itâs similar to Swiftâs Coding protocol in case youâre familiar.
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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?
Commander.js - node.js command-line interfaces made easy
zod - TypeScript-first schema validation with static type inference
set-cookie-parser - Parse HTTP set-cookie headers in JavaScript
class-validator - Decorator-based property validation for classes.
undici - An HTTP/1.1 client, written from scratch for Node.js
openapi-generator - OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
effector-react - Business logic with ease âď¸
runtypes - Runtime validation for static types
gists - A repo for Backblaze gists used in our FAQ
fp-ts - Functional programming in TypeScript
leon-cli - â¨ď¸ Command-line interface (CLI) for a better use of Leon, your open-source personal assistant. GNU/Linux, macOS and Windows supported.
joi - The most powerful data validation library for JS [Moved to: https://github.com/hapijs/joi]