Extremely simple zero-dependencies ES6 LRU (you probably want lru-cache instead)

Simple “Least Recently Used” (LRU) cache

browser-side require() the node way

simpler faster substitute for LRU

Convert millisecond durations to English and many other languages.

A simple O(1) LRU cache

A lightweight library that provides tools for organizing asynchronous code

complete type checking for node

The semantic version parser used by npm.

High performance middleware framework

data structures with idiomatic JavaScript collection interfaces

Check whether a string is a URL.