Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
ECMAScript parsing infrastructure for multipurpose analysis
Store information about any JS value in a side channel. Uses WeakMap if available.
HTTP content negotiation
A Lucide icon library package for React applications.
Array manipulation, ordering, searching, summarizing, etc.
Get and validate the raw body of a readable stream.
A tiny invariant function
Is this an arguments object? It's a harder question than you think.
Validate XML, Parse XML, Build XML without C/C++ based libraries
Custom jest matchers to test the state of the DOM
Get the byteOffset out of a DataView, robustly.
Unbox a boxed JS primitive value.
TypeScript Execute (tsx): Node.js enhanced with esbuild to run TypeScript & ESM files
What is the type of this builtin JS value?
Parse CSS inline style to JavaScript object.
TypeScript definitions for d3-time
Is this value an ES BigInt?
Simple and complete DOM testing utilities that encourage good testing practices.
Determine if a function is a native async function.
ES proposal-spec-compliant Object.fromEntries shim.
A function that returns the normally hidden `AsyncFunction` constructor
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
Convert a string of words to a JavaScript identifier