Top 23 JavaScript Functional programming Projects
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Project mention: "You-Dont-Need-Lodash-Underscore": ESLint plugin for migration guidance to use newer native JS functions | reddit.com/r/javascript | 2022-01-21
code
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Project mention: Open source maintainer pulls the plug on NPM packages colors and faker, now what | news.ycombinator.com | 2022-01-09
It's both technical and cultural.
Javascript is used on the front end. Front end devs obsess (or at least used to obsess) over download sized. So you'd have crazy stuff like custom builds of Underscore (https://underscorejs.org/) with just the functions you wanted. Think manual sandboxing, if that makes any sense. You could get a package of Underscore with just map, filter and reduceRight, if you wanted to.
Now, when Node came around, people wanted as much as possible to have the same libraries available on the front end, so the same obsession with size was carried over.
Ergo the micro-milli-nano-packages they make.
Now, about the technical solution to this. We have this, for well defined programming languages (read: statically typed ones, or dynamically typed ones with a clear structure).
It's a linker. Tech from the 1950s.
Link (include) just the stuff you want, "tree shake"/"remote dead code" whatever you don't.
https://www.joelonsoftware.com/2004/01/28/please-sir-may-i-h...
Java's largely to blame for this, Sun REALLY, REALLY hated stuff that could be hooked into any OS and wasn't portable, so they didn't provide a linker. Everything was supposed to be on their JVM and you were going to install their JVM everywhere (2 billion devices!!!) and to hell with small stuff or heaven forbid, including native libraries. Javascript followed (on top of the Java restrictions they added: dynamic, poorly defined language, that would have made linking with tree shaking really hard, anyway). .Net also followed.
Almost 3 decades later we're trying to undo that damage.
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Scout APM
Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.
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ramda
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Project mention: Help an old OO developer figure out current practices for structuring server side javascript? | reddit.com/r/learnjavascript | 2021-12-19
On the book front, there are two that I am fond of which have a focus on JavaScript and FP, Professor Frisby’s Mostly Adaquate Guide, and Functional Light JavaScript. They are nice practical books that help you lean into JS’s strength as an FP language while writing real code.
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I came across two resources recently which have helped me think through pragmatic functional programming in JavaScript. The first is this talk by Richard Feldman that does a great job of explaining the why of functional programming. The second is this book by Kyle Simpson which proposes a flavor of functional programming that is practical in JavaScript. There are certain areas where my opinions differ from Kyle's, but this book introduces pragmatic functional programming from first principals. Also check out the Mostly Adequate Guide to Functional Programming.
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Project mention: [AskJS] Is There Some Way to Lazy Evaluate Arrays in JavaScript? | reddit.com/r/javascript | 2021-12-23
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Project mention: Any bad experience with libraries such as date-fns.js or sugar.js (instead of moment.js) with Netsuite SuiteScript 2.X? (xposted from /r/Netsuite) | reddit.com/r/SuiteScript | 2021-10-18
I've been meaning to use moment.js for a long time in Netsuite but instead always jimmied around with native javascript date functions. Finally getting around to doing some basic functions with moment.js in a couple of solutions, but non-Netsuite developers are telling me date-fns.js is more intuitive and lightweight than moment.js. Also there are other libraries like sugar.js with functions like "Date.create('last week Friday');" which look like it would be fun to use with N/query or N/search.
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OPS
OPS - Build and Run Open Source Unikernels. Quickly and easily build and deploy open source unikernels in tens of seconds. Deploy in any language to any cloud.
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Fortunately, as it has been shown in this article, it’s definitely possible to use functional programming with plain JavaScript. However, if you really want to dive deeper into this paradigm while using JavaScript, you’ll probably want to use some already existing functional libraries such as Sanctuary, Fluture, Ramda and others.
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Another project, hybrids does a great work on allowing it to be functional instead of class.
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1 https://github.com/KuroLabs/stegcloak
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Fortunately, as it has been shown in this article, it’s definitely possible to use functional programming with plain JavaScript. However, if you really want to dive deeper into this paradigm while using JavaScript, you’ll probably want to use some already existing functional libraries such as Sanctuary, Fluture, Ramda and others.
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Project mention: Rust-like memory management with dependent types | reddit.com/r/dependent_types | 2021-12-22
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Kefir.js - Reactive library with focus on high performance and low memory usage.
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Mout - Utility library with the biggest difference between other existing solutions is that you can choose to load only the modules/functions that you need, no extra overhead.
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Project mention: A good online course/eBook for learning Rust in Functional style? | reddit.com/r/rust | 2021-09-16
I usually use a libraries like this or this to have monads and "auto-curriyng" in my code in JS. It seems that Rust is indeed lacks of those libraries, the only ones which I could find are fp_rust and fp_core . Both of them are not widely used as of now
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Project mention: Clio: a functional, multi-threaded programming language that compiles to JavaScript | reddit.com/r/functionalprogramming | 2021-10-11
I've been working on a functional programming language in the past few years and I'd like to share it with you, would be nice to have some feedback on it! The language is called "Clio" and you can find it here: https://github.com/clio-lang/clio or here: https://clio-lang.org
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Project mention: If you could change ONE thing about JS, what would it be? | reddit.com/r/JSdev | 2021-04-22
Agreed. That's exactly why I made Fasy: https://github.com/getify/fasy :)
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Project mention: Is there a statically typed functional programming language that doesn't take purity so seriously? | reddit.com/r/functionalprogramming | 2021-06-01
scriptum
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JavaScript Functional programming related posts
- Brief Intro to Monads in JavaScript
- Just replaced a snap with a flatkpak and jesus christ snap sucks...
- "You-Dont-Need-Lodash-Underscore": ESLint plugin for migration guidance to use newer native JS functions
- A Detailed Intro To Monads
- How to build a slack birthday bot
- How ESLint Can Enforce Your Design System Best Practices
- Pragmatic Functional Programming in JavaScript
Index
What are some of the best open-source Functional programming projects in JavaScript? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | lodash | 51,950 |
| 2 | underscore | 26,281 |
| 3 | ramda | 21,569 |
| 4 | mostly-adequate-guide | 21,411 |
| 5 | Functional-Light-JS | 14,878 |
| 6 | lazy.js | 5,993 |
| 7 | Sugar | 4,462 |
| 8 | Sanctuary | 2,858 |
| 9 | hybrids | 2,536 |
| 10 | StegCloak | 2,403 |
| 11 | Fluture | 2,270 |
| 12 | Kind | 2,088 |
| 13 | kefir | 1,770 |
| 14 | Mout | 1,243 |
| 15 | Rambda | 1,230 |
| 16 | clio | 886 |
| 17 | underscore-contrib | 620 |
| 18 | fasy | 516 |
| 19 | monio | 392 |
| 20 | scriptum | 360 |
| 21 | bitcoin-chart-cli | 261 |
| 22 | zebras | 209 |
| 23 | scramjet | 209 |
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