The easiest way to write conditional CSS and/or JavaScript based on device operating system (iOS, Android, Blackberry, Windows, Firefox OS, MeeGo, AppleTV, etc), orientation (Portrait vs. Landscape), and type (Tablet vs. Mobile).

Document database for S3 and Cloudflare R2 that runs in your request handler — tiny, LLM-friendly TypeScript API, no database server

Conditional logic for forms

Write files in an atomic fashion w/configurable ownership

React component and hook which listens to the beforeunload window event.

TypeScript library for reading and writing Excel xlsx files in Node and the browser.

Makes it easy to safely process HTML inside of conditional comments

GitHub OAuth Device authentication strategy for JavaScript

Various helper utilities for working with buffers and binary data

Octokit plugin to paginate GraphQL API endpoint responses

GitHub Apps toolset for Node.js

smart-buffer is a Buffer wrapper that adds automatic read & write offset tracking, string operations, data insertions, and more.

Command-line tools for publishing Tutti workspace apps into App Center release metadata.

Utilities to help building Astro loaders

Finds all conditional comments in a string

Fetch-based http client for use with npm registry APIs

Conditionals for 📣 stentor

Write data to a file, replacing the file if it already exists and creating any intermediate directories if they don't already exist. Thin wrapper around node's native fs methods.

Read/write IEEE754 floating point numbers from/to a Buffer or array-like object

provides utilities to route requests through a configurable proxy