Need to write CSS, but tired of SASS, LESS et al? Try JavaScript/TypeScript in CSS.
An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible
A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.
ES2019 spec-compliant String.prototype.trimStart shim.
An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.
ES2019 spec-compliant String.prototype.trimEnd shim.
Lexes ES modules returning their import/export metadata
ECMAScript spec abstract operations.
ES proposal-spec-compliant Object.fromEntries shim.
An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.
ES6 spec-compliant RegExp.prototype.flags shim.
ES5 spec-compliant shim for String.prototype.trim
An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.
An ESnext spec-compliant `Array.prototype.findLast` shim/polyfill/replacement that works as far down as ES3.
Get an iterator for any JS language value. Works robustly across all environments, all versions.
CSS minifier with structural optimisations
ES Object-related atoms: Object, ToObject, RequireObjectCoercible
An ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.
An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.
ES2017 spec-compliant Object.values shim.
A helper to optimistically set Symbol.toStringTag, when possible.
ES2017 spec-compliant Object.entries shim.
Convert Oniguruma patterns to native JavaScript RegExp
A simple cache for a few of the JS Error constructors.
BetterAppGen generates production-ready Rails 8 applications with a modern, opinionated stack. Features include: Solid Stack (Cache, Queue, Cable) backed by PostgreSQL instead of Redis, Vite 7 with Tailwind CSS 4 and Stimulus for frontend, multi-database architecture with separate databases for app, cache, queue, and cable, UUID primary keys by default, complete Docker development environment with helper scripts, configurable locale support (en, it, de, fr, es, pt, nl, pl, ru, ja, zh), and optional SimpleForm integration with Tailwind styling. Get a fully configured Rails 8 app in seconds.
Diff and patch tables
Diff and patch tables