A tiny invariant function
Validate XML, Parse XML, Build XML without C/C++ based libraries
Parse CSS inline style to JavaScript object.
Custom jest matchers to test the state of the DOM
TypeScript definitions for d3-time
An ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.
Generates and consumes source maps
ES2019 spec-compliant String.prototype.trimEnd shim.
Is this an arguments object? It's a harder question than you think.
Robustly get the byte offset of a Typed Array
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
TypeScript Execute (tsx): Node.js enhanced with esbuild to run TypeScript & ESM files
The `postinstall` script helper for handling native bindings in legacy `npm` versions
TypeScript definitions for react-dom
Array manipulation, ordering, searching, summarizing, etc.
Simple and complete DOM testing utilities that encourage good testing practices.
Convert a string of words to a JavaScript identifier
Determine if a function is a native async function.
A function that returns the normally hidden `AsyncFunction` constructor
Unified plugin system for build tools
ES proposal-spec-compliant Object.fromEntries shim.
Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
Run an array of functions in parallel