Observer Packages

A simple and generic JavaScript Event Emitter class for implementing the Observer Pattern, now with support for AbortController for automatic listener removal.

Svelte action that leverages the Intersection Observer API to trigger reveal on scroll transitions

```html <script lang="ts"> import { Focus, Pager } from 'svelte-scroll-observe'

Easy,lightweight and reactive store by react hooks

Easy,lightweight and reactive store by react hooks and wohoox

Observer hooks for vue2 and 3

Directive to tracking of target element intersection ratio

A Vue.js component to lazy load images using the Intersection Observer.

observer online offline

An in-memory cache that saves to JSON and can be used as a database

javascript library for listening to data changes of child objects

Fork of @falsantru/spica, esm support

A Svelte action that monitors an element enters or leaves the viewport or a parent element. Performant and efficient thanks to using Intersection Observer under the hood. Forked from maciekgrzybek to support Svelte 5 after no merge of fixes.

An in-memory cache that saves to JSON and can be used as a database

Automatically watch and edit text in the DOM.

Intersection Observer API Animation

Simple and modern async event emitter

Data with additives in one capsule

ResizeObserver封装

Javascript module for in view animations using the Javascript IntersectionObserver.