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

ECMAScript JS AST traversal functions

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

HTTP Agent that keeps socket connections alive between keep-alive requests. Formerly part of mikeal/request, now a standalone module.

No-bullshit, ultra-simple, 35-lines-of-code async parallel forEach / map function for JavaScript.

node's assert.deepEqual algorithm except for NaN being equal to NaN

Find and load configuration from a package.json property, rc file, or CommonJS module

Realm-js has a set of functionality that helps solving many problems or impediments related to Promises. Utilities live in this repository, apart from realm-js library. Typings included ### Install

Utils for working with JavaScript classes and prototype methods.

Runtime library for TypeScript helper functions

State so simple, it goes without saying

Signs and prepares requests using AWS Signature Version 4

Get callsites from the V8 stack trace API

A memoization function that uses a WeakMap

Allow parsing of jsx

Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.

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

HTTP server cookie parsing and serialization

Efficient implementation of Levenshtein algorithm with locale-specific collator support.

An object of css properties that don't accept values with units

Returns true if the given string is a POSIX bracket expression (POSIX character class).

internal utils for emotion

tar for node

Basic object cache with `get`, `set`, `del`, and `has` methods for node.js/javascript projects.