Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
A helper to optimistically set Symbol.toStringTag, when possible.
vfile utility to create a report for a file
A system for sharing tool configurations between projects without duplicating config files.
vfile utility to convert between positional (line and column-based) and offset (range-based) locations
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
Helper package to shim a method into `Array.prototype[Symbol.unscopables]`
Cloud Foundry API tools
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
webpack Validation Utils
Prettifier for Pino log lines
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
A robust, ES3 compatible, "has own property" predicate.
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
Determine if the JS environment has BigInt support.
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Hyperliquid API SDK for all major JS runtimes, written in TypeScript.
ES spec-like internal slots
react-query client integration for @ts-rest
Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
Unbox a boxed JS primitive value.
Parse an ISO date string into a Date
Is this value negative zero? === will lie to you