proposal-type-annotations
zod
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proposal-type-annotations | zod | |
---|---|---|
101 | 286 | |
4,086 | 30,174 | |
2.3% | - | |
4.7 | 9.1 | |
about 1 month ago | 5 days ago | |
JavaScript | TypeScript | |
- | MIT License |
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proposal-type-annotations
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Bun 1.1
That proposal is not fully compatible with Typescript: https://github.com/tc39/proposal-type-annotations?tab=readme...
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Go 1.22 Release Notes
They held a meeting a few months ago so it's alive but probably still years away.
https://github.com/tc39/proposal-type-annotations/issues/184
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[AskJS] Kicking a dead horse - TS vs JS
I particularly like this thread in the TC39 types proposal. TypeScript IS a development trojan horse and locks you into the Microsoft Way of being a JS developer.
- Strong static typing, a hill I'm willing to die on...
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HTML First – Six principles for building simple, maintainable, web software
Edit: There is a proposal to extend JavaScript with type annotations, which would allow ("a reasonably large subset") of TypeScript to run directly in the browser. Yay!
https://github.com/tc39/proposal-type-annotations
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Building React Components Using Unions in TypeScript
More importantly, TypeScript typically commits to build things into itself when the proposal in JavaScript reaches Stage 3. The pattern matching proposal in JavaScript is Stage 1, but depends on many other proposals as well that may or may not need to be at Stage 3 as well for it to work. This particular proposal is interested on pattern matching on JavaScript Objects and other primitives, just like Python does with it’s native primitives. These are also dynamic types which helps in some areas, but makes it harder than others. Additionally, the JavaScript type annotations proposal needs to possibly account for this. So it’s going to be awhile. Like many years.
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Show HN: Conway's Game of Life in TypeScript's type system
this is exactly what I want from the _Types as Comments_ proposal[0] as I think it's the only way that types can feasibly become part of the language. It's hard to imagine how all of the concepts TS introduces via special syntax can be covered otherwise.
[0] https://tc39.es/proposal-type-annotations
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Why Htmx Does Not Have a Build Step
Crossing my fingers that the proposal for allowing (browser-ignored) type annotations in javascript progresses: https://tc39.es/proposal-type-annotations/
Between that, HTTP2/3 and ES modules many of the downsides for building apps with no compile step are almost completely mitigated.
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TypeScript Without Transpilation
JSDoc can get you pretty far, but it can be clumsy sometimes. There’s a [TC39 proposal](https://github.com/tc39/proposal-type-annotations) to allow types to live in JS code and be treated as comments (similar with Python types today)
- Do you think typescript will ever have native support on brosers? Or we will have only the JS type annotations?
zod
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You can’t run away from runtime errors using TypeScript
Zod is a TypeScript-first schema declaration and validation library. It helps create schemas for any data type and is very developer-friendly. Zod has the functional approach of "parse, don't validate." It supports coercion in all primitive types.
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Best Next.js Libraries and Tools in 2024
Link: https://zod.dev/
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Popular Libraries For Building Type-safe Web Application APIs
You can check out their documentation here.
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Epic Next JS 14 Tutorial Part 4: How To Handle Login And Authentication in Next.js
You can learn more about Zod on their website here.
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What even is a JSON number?
In JS, it's a good idea anyway to use some JSON parsing library instead of JSON.parse.
With Zod, you can use z.bigint() parser. If you take the "parse any JSON" snippet https://zod.dev/?id=json-type and change z.number() to z.bigint(), it should do what you are looking for.
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Error handling in our form component for the NextAuth CredentialsProvider
We will validate our input using client-side zod. Zod handles TypeScript-first schema validation with static type inference. This means that it will not only validate your fields, it will also set types on validated fields.
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Zod: Zero to Hero - Chapter 4
A word of warning: while discriminated unions are very powerful, there's an ongoing discussion on whether discriminated unions should be deprecated and replaced with a different API.
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Zod: Zero to Hero - Chapter 1
I was first introduced to Zod by Adam Bobrow - a colleague of mine and a dear friend. Adam was sick and tired from JavaScript's brittleness, and about two years ago he started migrating our code base to TypeScript. But that wasn't enough for him. He kept complaining: "What good are my types, if some other service decides to send me bad data and breaks my code?". That's when he discovered Zod.
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Eloquent JavaScript 4th edition (2024)
It is (or should be) common practice to parse/validate any external data you depend on. You should be doing this for Javascript too. I find that the library https://zod.dev/ is quite helpful for this
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How to build a blog with Astro
Astro uses Zod, a Typescript-first schema validation library, to type-check the collections' schemas. It helps validate data types when using collections inside UI components.
What are some alternatives?
astexplorer - A web tool to explore the ASTs generated by various parsers.
class-validator - Decorator-based property validation for classes.
Scala.js - Scala.js, the Scala to JavaScript compiler
joi - The most powerful data validation library for JS [Moved to: https://github.com/sideway/joi]
rescript-compiler - The compiler for ReScript.
Yup - Dead simple Object schema validation
Carp - A statically typed lisp, without a GC, for real-time applications.
typebox - Json Schema Type Builder with Static Type Resolution for TypeScript
d2-playground - An online runner to play, learn, and create with D2, the modern diagram scripting language that turns text to diagrams.
ajv - The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
proposal-record-tuple - ECMAScript proposal for the Record and Tuple value types. | Stage 2: it will change!
io-ts - Runtime type system for IO decoding/encoding