ESLint plugin for preventing memory leaks around observers (ResizeObserver, IntersectionObserver, MutationObserver)

A simple implentation of JavaScript observables

Harness the power of Intersection Observers for simple list virtualization in React

React wrapper for mutation observers.

Powerful Marquee for Angular (based on observers behavior)

rxjs-web-observers

Performant react hooks for WebApi Observers, useResizeObserver, useInteractionObserver, useMutationObserver

Wrap components in a observers to make them reactive

an rxjs subject that queues data when it has no observers

Property, range, map, and set content change observers for arrays, objects, and other instances.

Emit latest event to new observers

arrive.js provides events to watch for DOM elements creation and removal. It makes use of Mutation Observers internally.

A set of reactive controllers that facilitate using the platform observer objects.

Practical wrappers around DOM MutationObserver

Create computed properties which trigger observers only if the value of the computed property has changed

Reticle browser SDK — installs observers, builds semantic snapshots, executes actions, talks to the bridge.

Resize Observers simplified

Optional OpenTelemetry tracing integration for typed-sql database observers.

React observers for the browser-safe Spine client.

Collections like Array, Set, Map, with operators and observers, for Svelte