emittery

Simple and modern async event emitter

v1.2.0 URL: https://unpkg.com/emittery@1.2.0/index.js

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event-emitter

Environment agnostic event emitter

v0.3.5 URL: https://unpkg.com/event-emitter@0.3.5/index.js

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@juggle/resize-observer

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

v3.4.0 URL: https://unpkg.com/@juggle/resize-observer@3.4.0/lib/exports/resize-observer.umd.js

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resize-observer-polyfill

A polyfill for the Resize Observer API

v1.5.1 URL: https://unpkg.com/resize-observer-polyfill@1.5.1/dist/ResizeObserver.js

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react-intersection-observer

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

v9.16.0 URL: https://unpkg.com/react-intersection-observer@9.16.0/dist/index.js

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