Lightweight coding agent that runs in your terminal

Rotate an array by a given number of steps

Reusable workflow to generate Sparkle appcast.xml for my apps

Check if the system is in low power mode

Check if a directory is empty

Tiny terminal spinner

Useful utilities for working with Uint8Array (and Buffer)

Tiny process execution for humans — a better child_process

Delay function calls until a set time elapses after the last invocation

Extracts the repo URL from a package.json object

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

Sketch plugin to preview macOS app icons in the Dock using the Icon Preview app

Regular expression for matching JavaScript identifiers

Provides a list of reserved identifiers for JavaScript

Encode & decode strings, bytes, and integers to Base62

JS regexes + future. A template tag for readable, high-performance, native JS regexes with extended syntax, context-aware interpolation, and always-on best practices.

Check if a string is a valid JavaScript identifier

Convert a string to a valid JavaScript identifier

Async mutex lock for managing access to a shared resource

Remark plugin for adding a custom ID attribute to Markdown headers

Check if the operating system CPU architecture is 64-bit or 32-bit (Supports browsers)

html -> elements

Merge objects using their property descriptors

Manage extended attributes in Swift

Check if two arrays are equal

Get the dimensions of an image

Remove circular references from objects

Find a file or directory by walking up parent directories — Zero dependencies

Convert a string index to its line and column position