Unified task-observer skill for OpenCode — continuous skill discovery and improvement with Spanish-first pattern detection, DB mining, and auto-install.

Polyfills the ResizeObserver API and supports box size options from the latest spec

High-priority task queue for Node.js and browsers

Monitor if a component is inside the viewport, using IntersectionObserver API

Resize observer for React

OpenCode plugin that turns tmux task observer callbacks into visible TUI session updates.

React MutateObserver Component

Reactive primitives for observing resizing of HTML elements.

High-priority task queue for Node.js and browsers

A React hook that allows you to use a ResizeObserver to measure an element's size.

Resize observer for React

A React hook for the IntersectionObserver API that uses a polyfill when the native API is not available

A polyfill for the Resize Observer API

Detect if web fonts are available

A React hook that fires a callback whenever ResizeObserver detects a change to its size

🏯 PositionObserver is a JavaScript tool that provides a way to asynchronously observe changes in the position of a target element within its viewport.

An implementation and polyfill of the Resize Observer draft.

React bindings for MobX. Create fully reactive components.

Tracks the intersection of a DOM element and its containing element or the viewport.

React hook to use IntersectionObserver declaratively.