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899 packages found
Reactive primitives for observing resizing of HTML elements.
Watch an object or array for changes
React component for the Intersection Observer API
Track React component in viewport using Intersection Observer API
Fully Typed PubSub Mechanism with Channel and Payload autocompletion.
A simple library that lets you know whether a Component is visible or not.
Deep state observer is an state management library that will fire listeners only when specified object node (which also can be a wildcard) was changed.
A simple alternative to events and signals with an emphasis on performance.
Custom, simple, extendable event/messaging system written in ES6
Utility components for working with the viewport in react
Dispatch and listen for DOM mutations
msgm 是一个拥抱类型安全的发布订阅模式库 并且可以控制优先级
A library for declarative use of Resize Observer API with Angular
A library for declarative use of Intersection Observer API with Angular
Primitives to support using the intersection observer API.
object-observer utility provides simple means to (deeply) observe specified object/array changes; implemented via native Proxy; changes delivered in a synchronous way
- object
- array
- observe
- observer
- object observe
- object.observe
- observable
- changes
- deep
- tree
- graph
- javascript
- proxy
- C
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Publish–subscribe pattern implementation
Message delivery subsystem (Observer pattern implementation).
The Reactive Extensions for JavaScript
A library for declarative use of Mutation Observer API with Angular