Validate XML, Parse XML, Build XML without C/C++ based libraries
javascript standard data structure library which benchmark against C++ STL
TypeScript Execute (tsx): Node.js enhanced with esbuild to run TypeScript & ESM files
Is this an arguments object? It's a harder question than you think.
A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
Fire events the same way the user does
ECMAScript spec-compliant polyfill/shim for `globalThis`
Simplifies creation of HTML files to serve your webpack bundles
css loader module for webpack
Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.
Unbox a boxed JS primitive value.
Pretty print JavaScript errors on the Web and the Terminal
An ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.
2KB immutable date time library alternative to Moment.js with the same modern API
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
A simple cache for a few of the JS Error constructors.
This plugin adds `TypeScript` support to `eslint-plugin-import`
Helper package to shim a method into `Array.prototype[Symbol.unscopables]`
Property based testing framework for JavaScript (like QuickCheck)
micromark utility with symbols
micromark utility to handle character codes
Cross platform children list of a PID
Determine if a function is a native async function.