PostCSS plugin for sorting and combining CSS media queries with mobile first / **desktop first methodologies

peek the first or last record in a leveldb range.

Utilities for watching file trees.

A finite state machine iterator for JavaScript

Allows libraries to handle various caller provided asynchronous functions uniformly. Maps promises, observables, child processes and streams, and callbacks to callback style.

Babel transform for Flow Enums.

Retries a function that returns a promise, leveraging the power of the retry module.

fs.rename but works across devices. same as the unix utility 'mv'

Memoize functions results using an lru-cache.

Support for representing 64-bit integers in JavaScript

Combine an array of streams into a single duplex stream using pump and duplexify

Write simple `*.xlsx` files in a browser or Node.js

[](https://npmjs.org/package/stream-combiner) [](https://travis-ci.org/dominictarr/stream-combiner)

Utilities for executing code in Web Workers

Promisify a callback-based function

Find self-intersections in geojson polygon (possibly with interior rings)

Valibot adapter for @xndrjs/domain with function-first APIs: valibotToValidator and valibotFromKit, plus full domain re-export.

Transform stream that lets you peek the first line before deciding how to parse it

Let your JS API users either give you a callback or receive a promise

Memoize promise-returning & async functions