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898 packages found
A simple to use, light weight, zero dependency, pure JavaScript and TypeScript ready plugin that uses the intersection observer to determine whether an element has entered within the windows viewport.
Reactive queries for PostgreSQL
EventSignal is a lightweight, browser-safe event messaging controller.
- emitter
- event-dispatcher
- eventdispatcher
- event-emitter
- event-signal
- eventemitter
- events
- eventsignal
- messaging
- observer
- pub-sub
- pubsub
- signals
Element resize event for Preact X
State observable class for React
Custom resize jQuery event for element
A React hook that tells you when an element enters or leaves the viewport.
- javascript
- typescript
- react
- react hook
- viewport
- lazy-loading
- intersection
- observer
- intersection observer
- isInViewport
A polyfill for IntersectionObserver, served as AMD
A simple event observer written in Vanilla TypeScript for the event communication between different JavaScript Layers using in pure JavaScript and of course Vanilla TypeScript projects. Maybe it is helpful for a MVC software architecture.
An observer is a wrapper over JSON data, that provides an interface to know when data is changed, with a focus on performance and memory efficiency. For data-centric design, this provides a modular and robust architecture for applications with various dat
Sensorlab2 observers command module.
Implementation of Observer pattern for js projects.
Watch for activity in the browser console and get notified of any logs, warns and errors.
Tiny dependency free event dispatcher
An easier way to observe the intersections with the viewport
React custom hook for create mutation observer
- react
- react hooks
- react custom hooks
- react mutation observer
- react observer
- observer
- javascript observer
- useObserver
- useInfiniteObserver
DataBunch is a JavaScript library based on the Observer Design Pattern. It is designed to subscribe to data and makes it easy to use.
Wrap an object (such as application state or data model) to listen for changes!
Manage your app's state like never before, harness the power of the proxy!
Interfaces to help working with the Observer Pattern