Determine if a function is a native async function.

A memoization function that uses a WeakMap

A simple cache for a few of the JS Error constructors.

A structuredClone polyfill

Check if a path is a file, directory, or symlink

Tokenizes a string that represents a regular expression.

Returns a promise from a node-style callback function.

A utility for managing a prototype chain

Timeout a promise after a specified amount of time

Check if a value is a regular expression

Creates a Promise that waits for a single event

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

Convert a file: URI to a file path

A querystring parser that supports nesting and arrays, with a depth limit

Check whether a string is a URL.

Normalize a URL

unist utility to check if a node passes a test

Robustly `.call.bind()` a function

`jest-docblock` is a package that can extract and parse a specially-formatted comment called a "docblock" at the top of a file.

Truncate a string to a specific width in the terminal