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@arraypress/reveal-astro

v1.1.1

Published

View-transition-safe scroll-reveal for Astro — one IntersectionObserver adds a visible class as elements enter the viewport. Optional default animation CSS.

Vulnerabilities

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Links

Git

Maintainers

arraypressarraypress

Keywords

astroastro-componentscroll-revealintersection-observeranimationfade-inview-transitionswithastro

Readme

@arraypress/reveal-astro

View-transition-safe scroll-reveal for Astro. One <Reveal /> component mounts a single IntersectionObserver that adds a "visible" class to matching elements as they enter the viewport. Re-runs on every astro:page-load, reveals already-in-view elements immediately (no flash), and works with or without <ClientRouter />.

Install

npm install @arraypress/reveal-astro

Usage

---
import { Reveal } from '@arraypress/reveal-astro';
import '@arraypress/reveal-astro/reveal.css';   // optional default animations
---
<section class="fade-in-up">Reveals on scroll</section>
<section class="zoom-in">So does this</section>

<Reveal />

Add <Reveal /> once (e.g. near the end of your Layout). Tag elements with the animation classes; they start hidden and transition in when scrolled into view.

Props

| Prop | Type | Default | Notes | |---|---|---|---| | selector | string | .fade-in*, .slide-in-*, .zoom-*, .blur-in | Comma-separated selector list. Pass '[data-reveal]' for a different convention. | | visibleClass | string | 'is-visible' | Class added on intersect — the resting state your CSS transitions to. | | threshold | number | 0.08 | IntersectionObserver threshold. | | rootMargin | string | '0px 0px -10% 0px' | IntersectionObserver rootMargin. | | once | boolean | true | Reveal once, or re-hide on exit so it re-animates on re-entry. |

CSS

The component only toggles the class — the animation lives in CSS. Two options:

  • Use the defaults: import '@arraypress/reveal-astro/reveal.css' ships .fade-in* / .slide-in-* / .zoom-* / .blur-in hidden states + an .is-visible resting state, with a prefers-reduced-motion opt-out.
  • Bring your own: style the classes (or your custom selector + visibleClass) however you like. Each tagged element should have a hidden "from" state and a visible "to" state under your visibleClass.

License

MIT