An object schema merger/validator

Background job registry (ctx.jobs) for the DeepSeek Harness — shared ids, owner isolation, polling, cancellation, and completion listeners for long-running tool work

file watcher plugin for egg

Easily handle defaults for your options

Polyfill for EventTarget options object support

Check if passive events are available on the current device

Define a lazily evaluated property on an object

Merge objects using their property descriptors

Check if a value is a plain object

Force V8 to use fast properties for an object

Facebook's EventEmitter is a simple emitter implementation that prioritizes speed and simplicity. It is conceptually similar to other emitters like Node's EventEmitter, but the precise APIs differ. More complex abstractions like the event systems used on

A Redux middleware that allows actions to be converted into Promises

Mail listener library for node.js. Get notification when new email arrived.

A single, throttle built-in solution to subscribe to browser UI Events.

A blazing fast memoization library that is tiny but feature-rich.

Zero-dependency, minimal swipe-gesture listener for the web.

An extension to Node's EventEmitter that supports event replay.

Stringify Object as tree structure

Stringify an object/array like JSON.stringify just without all the double-quotes

A very simple event emitter with a better API than all the others