Check if something is a generator function

Event emitter

`Start a promise chain

Ensure a function is only called once

Install Cursor agent skills into a project: skill files, rules, slash commands (storyline, fn-contracts, and more)

Open Node Streams on demand.

filesystem utilities for the npm cli

fast, tiny `queueMicrotask` shim for modern engines

A minimal event emitter.

Debounce a function

Get the name of a named function

Install Cursor agent skills into a project: skill files, rules, slash commands (storyline, fn-contracts)

Timers extensions

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

A wrapper function for object accessor properties

Fast and easy-to-use dynamic C FFI (foreign function interface) for Node.js

function binding utility

This package is a helper to run multiple promise-returning & async functions with limited concurrency.

A Barcode Detection API polyfill that uses ZXing webassembly under the hood

Promisify a callback-based function