fritzy/level-foreignkeys

Padlock works to prevent unexpected code execution when dealing with asynchronous callbacks without blocking. Call a function with lock to execute it as soon as a lock can be attained, and unlock it at all of your possible callback end-points. Use the same lock on other functions that you don't want to interrupt. Code will execute in order as the lock can be acquired.

JavaScript's functional programming helper library.

Static analysis tool for JavaScript

Easy unit testing for node.js and the browser.

Universal abstract-level database for Node.js and browsers

writable stream that concatenates strings or binary data and calls a callback with the result

Useful streams for working with levelup databases.

A useful pre-commit hook for git based projects that lints and runs npm test