luajit
htmx
luajit | htmx | |
---|---|---|
1 | 566 | |
540 | 32,837 | |
- | 3.6% | |
10.0 | 9.6 | |
over 4 years ago | 5 days ago | |
C | JavaScript | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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luajit
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Back-end languages are coming to the front-end
> No offence, but have you written any compilers or interpreters?
I have, but nothing sophisticated.
> The points that you discuss [...] may be performance concerns for application developers [...] but they have very little to do with the optimisations you can make as a compiler/interpreter writer. [...] The only one that's somewhat relevant is 'global scope by default'
I didn't mean to imply that these where the three common traits that make both Javascript and Lua particularly hard to optimize, I just picked them as examples for how Javascript and Lua are closer to each other than most other dynamic languages.
But let's dig in a bit on your claim that things like all numbers being doubles or having a array cum map cum record type has very little to do with the optimizations you can make as a compiler/interpreter writer, because it sure seems to me that LuaJIT and V8 do a bunch of optimizations around these things. Both have dual number representations under the hood and will try to avoid representing numbers that remain in the domain of 32 bit integers as double values internally when that gives performance gains. The logic for figuring out if that's the case doesn't seem to be super-straightforward or target architecture independent from looking at the comments in <https://github.com/LuaDist/luajit/blob/master/src/lj_opt_nar...>.
LuaJIT furthermore uses NaN tagging (as do some JS engines, although not V8), which looks less attractive to me as a representation strategy if your numbers are not all/mostly notional doubles (as is indeed the case in newer version of Lua where 64bit integers are the dominant number type)
Also, as far as the super-flexible lua tables are concerned, I'm pretty sure LuaJIT goes through some amount of trouble to specialize various common use cases of tables, e.g. as arrays without holes, and surprise, so does V8 (https://v8.dev/blog/fast-properties#elements-or-array-indexe...). I don't think you'd find something equivalent in a high performance scheme implementation.
> but this doesn't touch the surface of the issues that make JS hard to optimise, such as the fact that your, say, memoisation of an object property or method may be broken by an `eval` call of an arbitrary runtime value somewhere else in the code (which, due to asynchronicity, could take place at more or less any time from the point of view of your given 'peephole').
Eval belongs to a core set of features that basically all popular dynamic languages share that presents headaches for high performance implementations. How is Javascript's eval particularly problematic in this regard, and specifically much more so than Lua's loadstring/load?
More generally what do you think makes (pre-ES6) javascript significantly harder to optimize than lua 5.0?
htmx
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🕸️ Web development trends we will see in 2024 👀
HTMX is another library that gained popularity due to its server-first approach to rendering data, although seeking a much simpler way of appealing to developers.
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Reusable Input Datalist
When I work with HTMX I need isolated component that can be reusable a form. So I create a PHP Function that generate the Input Datalist.
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HTMZ inspired form subission
I was inspired by htmz (which was in turn inspired by htmx) and how the author got pretty close to a basic htmx-like experience just using an iframe. I wanted to push it a little further so whipped this demo together. My submission demonstrates progressive enhancement for the form - with js enabled the request targets an iframe that is inserted into the dom, meaning the page doesn't actually navigate (similar to event.preventDefault()). The iframe receives the html response from the request and on load triggers a function to swap out it's contents into the main page.
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Example Java Application with Embedded Jetty and a htmx Website
As described on htmx.org: "htmx gives you access to AJAX, CSS Transitions, WebSockets and Server Sent Events directly in HTML, using attributes, so you can build modern user interfaces with the simplicity and power of hypertext"
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Show HN: ZakuChess, an open source web game built with Django, Htmx and Tailwind
Apart from the source code itself, the repo's README also gives a bit more details about the various packages I used.
1. htmx: https://htmx.org/
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Show HN: Alpine Ajax – If Htmx and Alpine.js Had a Baby
Also, there’s some response header juggling you have to do when submitting forms that have a validation step before redirecting: https://github.com/bigskysoftware/htmx/issues/369
I’ve tried to iron out any footguns or server requirements I’ve bumped into while using HTMX & Hotwire in my projects.
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🤓 My top 3 Go packages that I wish I'd known about earlier
✨ In recent months, I have been developing web projects using GOTTHA stack: Go + Templ + Tailwind CSS + htmx + Alpine.js. As soon as I'm ready to talk about all the subtleties and pitfalls, I'll post it on my social networks.
- FLaNK Stack 26 February 2024
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Go + Hypermedia - A Learning Journey (Part 1)
I've been digging into HTMX lately (using Python web frameworks) and find the concepts and approach to be interesting and promising. The idea of hypermedia driven systems over the current practice of JavaScript based frameworks (I never really got into React, played with Vue, and enjoy Svelte/SvelteKit) and the ability to chose your language/framework for the backend while primarily leveraging HTML/CSS on the frontend just seems refreshing.
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Htmx become 0 clause BSD-licensed
Apparently it changed from 2-clause BSD: https://github.com/bigskysoftware/htmx/commit/e16f1865a494b6...
(The zero clause license drops the requirements for preserving the copyright notice when distributing)
What are some alternatives?
wasmer-python - 🐍🕸 WebAssembly runtime for Python
Alpine.js - A rugged, minimal framework for composing JavaScript behavior in your markup.
diode - Scala library for managing immutable application model
Vue.js - This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core
mumba - Write web-native p2p distributed apps in Swift (and others)
astro - The web framework for content-driven websites. ⭐️ Star to support our work!
reactor - Phoenix LiveView but for Django
unpoly - Progressive enhancement for HTML
django-unicorn - The magical reactive component framework for Django ✨
react-snap - 👻 Zero-configuration framework-agnostic static prerendering for SPAs
Scala.js - Scala.js, the Scala to JavaScript compiler