🎯 Opinionated TypeScript/Next.js Development Toolkit - Find large files, unused imports, broken imports, and enforce code quality standards with lightning speed
Parses, serializes, and manipulates MIME types, according to the WHATWG MIME Sniffing Standard
Middleware to prevent mimetype from being sniffed
Browser/engine/os/device detection tool
hint for best practices related to the usage of the X-Content-Type-Options response header.
Browser, os and device detection
A helper for combating incorrect content-type, aka a mime sniffing module for node.js
Implementation of the HTML encoding sniffer algo, with stream support
hint for media types (f.k.a. MIME types) related best practices
Autonomous QA scanner: point it at your running app and it walks the real user flows in a headless browser and reports what's actually broken — broken pages/links, console & network errors, empty/placeholder data, broken forms, state-loss, bad loading/err
Encode or decode base64 strings - including cli
CLI for Sniff - local-first AI agents for Linear
Monitoring library for Playwright that measures action times, catches showstoppers and generates reports
Scan text for credentials and API keys (AWS, GitHub, Stripe, OpenAI, Anthropic, JWT, PEM, ...). Zero dependencies. Format-anchored — not entropy-guessing.
Detects type of spatial file
Parses and compiles CSS nth-checks to highly optimized functions.
Error comparison and information related utility for node and the browser
type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
Property based testing framework for JavaScript (like QuickCheck)
Check if a path is a file, directory, or symlink
Detects type of spatial file
@firebase/app-check-interop-types Types
A compat App Check package for new firebase packages
The App Check component of the Firebase JS SDK