js-proposal-algebraic-effects
Preact
js-proposal-algebraic-effects | Preact | |
---|---|---|
3 | 111 | |
174 | 36,238 | |
- | 0.5% | |
0.0 | 9.4 | |
about 3 years ago | 15 days ago | |
JavaScript | JavaScript | |
- | MIT License |
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js-proposal-algebraic-effects
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Proposal: Signals as a Built-In Primitive of JavaScript
I have to admit: you're perfectly right here. React of course always relied on mutable state in it's implementation – just so we don't have to. I derailed a lot here to keep this funny thread going ;) I'm still not with you on your definition of "functional", since you treated it synonymously with "purely functional". Functional means just made by applying and composing functions, and react UI is created exactly like that. There is an awesome algebraic effects proposal[1], which will hopefully will be added to JavaScript one day, then react will make use of it to become purely functional.
1: https://github.com/macabeus/js-proposal-algebraic-effects
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Letlang, a programming language targetting Rust - Road to v0.1
Super interesting, there is a proposal to add this to JavaScript and several languages that use this, unison, koka & eff. I had no idea this was even a thing!
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Go Replaces Interface{} with 'Any'
Ok I was wrongly assuming that panic was expecting an error type, in fact it's an interface{}.
> Your use of exceptions for flow control (i.e. goto) is considered harmful
Exceptions are a way to delegate error handling to the caller by giving them informations about the unexpected behavior. It implies that the expected behavior is the "happy path" (everything went well) and any deviations (errors) is unexpected.
This is far from a goto because you can have `try/finally` blocks without catch (or defer in golang).
Also, exceptions are just a kind of algebraic effects that do not resume. There was a proposal to JS for this: https://github.com/macabeus/js-proposal-algebraic-effects
This is also easier to test. assertRaises(ErrorType, func() { code... })
Almost every Go library I've seen just return an error (which is just a string), you'd need to parse it to assert that the correct error is returned in special conditions.
Preact
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Preact vs React: A Comparative Guide
In this post, we get to know more about Preact, one of this year's trending libraries. And we'll compare it to React to see which one suits better for our projects.
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Episode 24/13: Native Signals, Details on Angular/Wiz, Alan Agius on the Angular CLI
Similarly to Promises/A+, this effort focuses on aligning the JavaScript ecosystem. If this alignment is successful, then a standard could emerge, based on that experience. Several framework authors are collaborating here on a common model which could back their reactivity core. The current draft is based on design input from the authors/maintainers of Angular, Bubble, Ember, FAST, MobX, Preact, Qwik, RxJS, Solid, Starbeam, Svelte, Vue, Wiz, and more…
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Proposal: Signals as a Built-In Primitive of JavaScript
Those who want to develop a library that can be used by any other reactive framework. I often see SignalLike type that tries to subtype it.
https://github.com/preactjs/preact/blob/757746a915d186a90954...
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Preact: Lightweight React Alternative
The official Preact documentation.
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How I built a cross-framework frontend library
At the very bottom of the image, there are 3 blocks that I chose to call application components. If you are building a cross-framework library, these can be built with whatever tools you want! Only catch is, all the tools you use to build it, will be needed by everyone consuming it. So choose wisely, and be mindful of how many kilobytes of third party code you will need in order to ship. In Schedule-X, I chose to use Preact. You will probably be fine with most lightweight virtual DOM libraries, and just like with frameworks there are a few to pick from.
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React Jam just started, making a game in 13 days with React
>> React is not traditionally used for making games, but that's part of the fun and the challenge. R
> MS Flight Simulator cockpits are built with MSFS Avionics Framework which is React-like and MIT licensed:
https://github.com/microsoft/msfs-avionics-mirror/tree/main/...
preactjs may or may not be faster: https://preactjs.com/
Million.js is faster than preact, and lists a number of references under Acknowledgements: https://github.com/aidenybai/million#acknowledgments
https://million.dev/docs :
> We use a novel approach to the virtual DOM called the block virtual DOM. You can read more on what the block virtual DOM is with Virtual DOM: Back in Block and how we make it happen in React with Behind the block().*
React API reference > Components > Profiler:
- Have You Built with Preact?
- Quando um framework é melhor que a manipulação nativa do DOM
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HTML Data Attributes: One of the Original State Management Libraries
DEV is a Rails monolith, which uses Preact in the front-end using islands architecture. The reason why I mention all this is that it's not a full-stack JavaScript application, and there is no state management library like Redux or Zustand in use. The data store, for the most part on the front end, is all data attributes.
- Show HN: Cami.js – A No Build, Web Component Based Reactive Framework
What are some alternatives?
mux - A powerful HTTP router and URL matcher for building Go web servers with 🦍
react-18 - Workgroup for React 18 release.
exhaustive - Check exhaustiveness of switch statements of enum-like constants in Go source code.
Alpine.js - A rugged, minimal framework for composing JavaScript behavior in your markup.
errors - Simple error handling primitives
solid - A declarative, efficient, and flexible JavaScript library for building user interfaces.
rustic_result - Result monad for Elixir inspired by Rust Result type
lit - Lit is a simple library for building fast, lightweight web components.
Vue.js - This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core
Svelte - Cybernetically enhanced web apps
lit-element - LEGACY REPO. This repository is for maintenance of the legacy LitElement library. The LitElement base class is now part of the Lit library, which is developed in the lit monorepo.
Mithril.js - A JavaScript Framework for Building Brilliant Applications