A utility package for JavaScript applications.
Like a Set, but provides the index of the `key` in the backing array
Reads / writes floats / doubles from / to buffers in both modern and ancient browsers.
Binary Mac OS X Plist (property list) creator.
The assert module from Node.js, for the browser.
minimalistic-assert ===
Use flow-relative (inline-start and inline-end) values for float and clear
Parses, serializes, and manipulates MIME types, according to the WHATWG MIME Sniffing Standard
correct invalid SPDX expressions
Synchronous validation of a path existing either as a file or as a directory.
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?
Platform float word order.
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?
Rich matchers inspired by Hamcrest. Useful for generating helpful assertion failure messages in tests.
`Object.defineProperty`, but not IE 8's broken one.
A helper to optimistically set Symbol.toStringTag, when possible.