Wrap words to a specified length.

recma plugin to parse JavaScript

Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?

Microsoft Authentication Library for js

JS Object representation of a stack frame

Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.

Standard library

destroy a stream if possible

YAML 1.2 parser and serializer

Get stdout window width, with two fallbacks, tty and then a default.

Media Type Database

recma plugin to add support for parsing and serializing JSX

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment

recma plugin to serialize JavaScript

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

<p align="center"> <img alt="superjson" src="./docs/superjson-banner.png" width="800" /> </p>

Determine if a function is a native generator function.

Does this JS environment support the `name` property on functions?

Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.

Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.