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898 packages found
Browser-friendly enhanced events most compatible with standard node.js, it's powerful eventable ability.
Watch an object or array for changes
Reactive primitives for observing resizing of HTML elements.
Fully Typed PubSub Mechanism with Channel and Payload autocompletion.
A simple library that lets you know whether a Component is visible or not.
A simple alternative to events and signals with an emphasis on performance.
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.
Utility components for working with the viewport in react
Custom, simple, extendable event/messaging system written in ES6
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
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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Intersection Observer Admin for better performance
A library for declarative use of Intersection Observer API with Angular
Message delivery subsystem (Observer pattern implementation).
Publish–subscribe pattern implementation
Primitives to support using the intersection observer API.
The Reactive Extensions for JavaScript
A simple and effective React Hook to manage the localStorage
A library for declarative use of Resize Observer API with Angular