Lock on asynchronous code

A mutex for guarding async workflows

A shim for the setImmediate efficient script yielding API

High-priority task queue for Node.js and browsers

High-priority task queue for Node.js and browsers

fast, tiny `queueMicrotask` shim for modern engines

C function to get the current libuv event loop for N-API

Tiny helper to prevent blocking Node.js event loop

Exposes stats about the libuv default loop

Polyfill for perf_hooks.monitorEventLoopDelay(...)

Offload tasks to a pool of workers on node.js and in the browser

Middleware for the middy framework that allows to easily disable the wait for empty event loop in a Lambda function

Measure event loop lag

Enables body scroll locking (for iOS Mobile and Tablet, Android, desktop Safari/Chrome/Firefox) without breaking scrolling of a target element (eg. modal/lightbox/flyouts/nav-menus)

DOM trap for a focus

Prevent display sleep and enable wake lock in any Android or iOS web browser

It is a trap! (for a focus)

A promise-based semaphore implementation suitable to be used with async/await.

Read/Write lock on asynchronous code

Zero CPU overhead, zero dependency, true event-loop blocking sleep