Top 3 JavaScript Esolang Projects

sona.js

10 67 0.0 JavaScript

a simple language with a 1000 character interpreter inspired by toki pona

Project mention: pgrorammers | /r/tokipona | 2023-06-01

"toki pi ilo nanpa" en toki "sona" li lon! pilin mi la toki sona li pona mute.

Befunge

5 18 3.5 JavaScript

lang befunge 93 fast

Project mention: The Rust Performance Book | news.ycombinator.com | 2023-04-20

1. C compilers don't do a good job, & thus even CPython, which has historically stuck to rather vanilla C, uses computed goto, as described in https://eli.thegreenplace.net/2012/07/12/computed-goto-for-e...
I resorted to similar techniques in optimizing Befunge: https://github.com/serprex/Befunge (See bejit.c & marsh.c/marsh.h)
2. Rust enums are not variable sized, think of them as tagged C unions, where the Rust compiler can sometimes apply tricks to make Option> the same size as Vec
3. match can specialize for straight forward cases, when in doubt use https://godbolt.org

SurveyJS

surveyjs.io sponsored

Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
brainalias

1 6 0.0 JavaScript

🧠 A interpreter generator for your BF-aliases language

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-06-01.