variant
Variant types in TypeScript (by paarthenon)
effect
A fully-fledged functional effect system for TypeScript with a rich standard library (by Effect-TS)
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| variant | effect | |
|---|---|---|
| 5 | 25 | |
| 178 | 4,657 | |
| - | 15.8% | |
| 0.0 | 9.9 | |
| 2 months ago | 6 days ago | |
| TypeScript | TypeScript | |
| Mozilla Public License 2.0 | MIT License |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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.
variant
Posts with mentions or reviews of variant.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-10-01.
-
Building React Components Using Unions in TypeScript
Variant
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ADTs in Typescript
When working in a TS codebase I'll lean on this variant library, which works pretty well as far as simple sum types go (v3 is great but not stable yet).
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disc-union - (yet another) library for working with discriminated union types
About half-way through writing this library I discovered that Variant existed... and does a great job at doing the exact same things (and more). I might not have started if I knew about that, but I'm glad I did because it has been a great learning experience!
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ts-pattern: pattern matching library for TypeScript, with smart type inference
Oddly enough, this feature alone has been a a big draw to Rust, Haskell and functional programming in general for me... so it's nice that there's libs filling the gap for TypeScript. Here's another one I haven't gotten around to trying yet either.
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Tool to normalize types (specifically intersections)?
I had to solve this for a project of mine.
effect
Posts with mentions or reviews of effect.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-10-30.
-
Exploring Effect, a meta-state RxJS-like framework
Effect is a functional library for building and composing asynchronous, concurrent, and reactive programs in TypeScript. It focuses on providing a robust and type-safe way to manage side effects in your programs.
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A better way to handle errors in JavaScript
Just use a library that already contains this and more functional programming idioms, like fp-ts or its successor, Effect [0]. It is a little more complex to learn but much more robust that simply implementing your own Result and other types.
[0] https://www.effect.website/
- opinions about Effect-TS, do you recommend using it? when to use it? When to avoid it? not worth it?
-
Building React Components Using Unions in TypeScript
effect-ts
- Effect - A set of libraries to write better TypeScript
- Effect – A set of libraries to write better TypeScript
- Effect-ts: a library for writing ZIO-like effect-based applications
- Effect, a functional effect system for TypeScript with a rich standard library
- Effect: A functional effect system for TypeScript with a rich standard library
- Alternatives to scala FP
What are some alternatives?
When comparing variant and effect you can also consider the following projects:
type-fest - A collection of essential TypeScript types
fp-ts - Functional programming in TypeScript
boxed - Essential building-blocks for functional & safe TypeScript code
pratica - 🥃 Functional Algebraic Data Types
TypeScript - TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
tyrian - Elm-inspired Scala UI library.
ts-pattern - 🎨 The exhaustive Pattern Matching library for TypeScript, with smart type inference.
contentlayer - Contentlayer turns your content into data - making it super easy to import MD(X) and CMS content in your app
eslint-plugin-functional - ESLint rules to disable mutation and promote fp in JavaScript and TypeScript.
Index - ⚡ Pattern Matching in Typescript
FxTS - A functional programming library for TypeScript/JavaScript
appy - A functional wrapper around Fetch API