Higher-level content negotiation

JavaScript sprintf implementation

Support for representing 64-bit integers in JavaScript

Get the first path that exists on disk of multiple paths

A tiny FIFO task queue with explicit flow control for Node and browsers

msgpack encoder and decoder in pure javascript based on creationix/msgpack-js updated to match the new v5 specification with string support.

Flexible ascii progress bar

Get and robustly cache all JS language-level intrinsics at first require time

Isomorphic Javascript SDK for Supabase

Implements performance.now (based on process.hrtime).

Tools for making advanced Metro bundler features work

Matches strings against configurable strings, globs, regular expressions, and/or functions

GraphQL subscriptions for node.js

High-priority task queue for Node.js and browsers

maximally minimal type-testing library

👻 Primitive and flexible state management for React

LRU and FIFO caches for Client or Server

Info about node `exports` field support: version ranges, categories, etc.

Caseless object set/get/has, very useful when working with HTTP headers.

Mixin the own and inherited properties of other objects onto the first object. Pass an empty object as the first arg to shallow clone.