A utility package for JavaScript applications.
Is this value negative zero? === will lie to you
Test if a double-precision floating-point numeric value is negative zero.
Test if a double-precision floating-point numeric value is positive zero.
Set a function's length property
The assert module from Node.js, for the browser.
minimalistic-assert ===
Parses, serializes, and manipulates MIME types, according to the WHATWG MIME Sniffing Standard
Synchronous validation of a path existing either as a file or as a directory.
correct invalid SPDX expressions
assert with status codes
A robust, ES3 compatible, "has own property" predicate.
Extra assertions on top of node's assert module
Is this value a JS SharedArrayBuffer?
Is this value a JS ArrayBuffer?
Which kind of boxed JS primitive is this?
What is the type of this builtin JS value?
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.
`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
Is this specifier a node.js core module?
Secure, zero-dependency utilities for generating passwords, passphrases, pins, and more
`Object.defineProperty`, but not IE 8's broken one.
A helper to optimistically set Symbol.toStringTag, when possible.
Robustly get the length of a Typed Array