return list of CallSite objects from a captured stacktrace

Determine if string is an ES2016 keyword.

ECMAScript parsing infrastructure for multipurpose analysis

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

HPACK implementation

An implementation of WHATWG AbortController interface.

Deterministic random bit generator (hmac)

ES2015 `Object.assign()` ponyfill

Buffers events from a stream until you are ready to handle them.

Like JSON.stringify, but doesn't blow up on circular refs.

A state machine compiler

Polyfill for Node.js module.createRequire (<= v12.2.0)

A function that takes an SVG arc curve as input, and maps it to one or more cubic bezier curves

dead-simple optimistic async helper

Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.

Test whether an object looks like a promises-a+ promise

A stream that emits multiple other streams one after another.

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

A tool for parsing media query lists.

Iterate over the own enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js.