Files
hyperframes/docs/catalog/blocks/editorial-flash-overlay.mdx
T
Miguel Ángel 9734578e60 feat(registry): bring back the video-primitive moves (#3169)
Restores the 208 catalog items reverted after their previews 404'd in
production, this time on the payload mechanism rather than the .html files
that caused the outage.

The generator no longer writes a preview document to docs/public. That writer,
and the machinery under it, existed only to produce files the docs host
discards, so it is gone rather than bypassed. Items now embed the composition
itself via a payload, which is what the previous change already does for the
items that were already in the catalog.

The variables explorer is parked, not restored: it drove its preview through
the same unpublished .html path, so it would have shown an empty frame. Items
that declare variables get the live player plus the static variables table, and
reconnecting the explorer to payloads is a follow-up.
2026-08-10 18:46:03 -04:00

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---
title: "Editorial Flash Overlay"
description: "Finite neutral-warm light layers for a seek-safe camera-flash cut or social reveal"
---
import { InstallCommand } from "/snippets/install-command.jsx";
<iframe
className="w-full aspect-video rounded-xl border-0 bg-zinc-100 dark:bg-zinc-800"
title="editorial-flash-overlay preview"
loading="lazy"
srcDoc={`<!doctype html><html><head><meta charset="utf-8"><style>html,body{margin:0;height:100%;overflow:hidden;background:transparent}hyperframes-player{display:block;width:100%;height:100%}</style><script src="https://cdn.jsdelivr.net/npm/@hyperframes/player@0.7/dist/hyperframes-player.global.js"><\/script></head><body><script>fetch("/public/catalog/blocks/editorial-flash-overlay.json").then(function(r){return r.json()}).then(function(d){var p=document.createElement("hyperframes-player");p.setAttribute("srcdoc",d.html);p.setAttribute("controls","");p.setAttribute("autoplay","");p.setAttribute("loop","");p.setAttribute("muted","");p.setAttribute("poster","https://static.heygen.ai/hyperframes-oss/docs/images/catalog/blocks/editorial-flash-overlay.png");document.body.appendChild(p)});<\/script></body></html>`}
/>
## Install
<InstallCommand command="npx hyperframes add editorial-flash-overlay" />
That writes one file: `compositions/editorial-flash-overlay.html`.
## Add it to your video
It runs for 4 seconds at 1920×1080. Paste this into your composition:
```html index.html
<div
data-composition-id="editorial-flash-overlay"
data-composition-src="compositions/editorial-flash-overlay.html"
data-start="0"
data-duration="4"
data-track-index="1"
data-width="1920"
data-height="1080"
></div>
```
Move it in time with `data-start`. Put it on a different timeline row with
`data-track-index`. See [data attributes](/concepts/data-attributes) for the rest.
## Source
<Accordion title={`editorial-flash-overlay.html`}>
```html
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<style>
*,
*::before,
*::after {
box-sizing: border-box;
}
html,
body {
width: 1920px;
height: 1080px;
margin: 0;
overflow: hidden;
background: transparent;
}
#ef-flash {
--hf-editorial-flash-wash: 255 253 250;
--hf-editorial-flash-warm: 255 174 105;
--hf-editorial-flash-cool: 183 218 255;
position: absolute;
inset: -12%;
overflow: hidden;
pointer-events: none;
}
#ef-flash .ef-layer {
position: absolute;
inset: 0;
opacity: 0;
will-change: opacity, transform;
}
#ef-wash {
background: rgb(var(--hf-editorial-flash-wash));
}
#ef-core {
inset: -18%;
background: radial-gradient(
ellipse 68% 92% at 37% 47%,
rgb(255 255 255) 0%,
rgb(255 255 255 / 98%) 20%,
rgb(var(--hf-editorial-flash-wash) / 86%) 45%,
rgb(var(--hf-editorial-flash-warm) / 32%) 67%,
transparent 86%
);
mix-blend-mode: screen;
transform-origin: 38% 48%;
}
#ef-sweep {
inset: -28%;
background: linear-gradient(
108deg,
transparent 21%,
rgb(var(--hf-editorial-flash-warm) / 10%) 38%,
rgb(var(--hf-editorial-flash-wash) / 90%) 49%,
rgb(255 255 255 / 98%) 53%,
rgb(var(--hf-editorial-flash-cool) / 24%) 62%,
transparent 79%
);
mix-blend-mode: screen;
}
</style>
</head>
<body>
<div
id="editorial-flash-overlay"
data-composition-id="editorial-flash-overlay"
data-start="0"
data-duration="4"
data-width="1920"
data-height="1080"
>
<div id="ef-flash" aria-hidden="true">
<div id="ef-wash" class="ef-layer"></div>
<div id="ef-core" class="ef-layer" data-layout-allow-overflow></div>
<div id="ef-sweep" class="ef-layer" data-layout-allow-overflow></div>
</div>
</div>
<script>
window.__timelines = window.__timelines || {};
var flash = document.getElementById("ef-flash");
var host = flash && flash.closest("[data-composition-id]");
if (!host) throw new Error("Editorial Flash could not find its composition host");
var compositionId = host.getAttribute("data-composition-id");
var duration = Number(host.getAttribute("data-duration")) || 4;
var hit = Math.max(0.12, duration * 0.58);
var tl = gsap.timeline({ paused: true });
tl.to({}, { duration: duration, ease: "none" }, 0);
tl.to("#ef-wash", { opacity: 0.92, duration: 0.04, ease: "power4.in" }, hit);
tl.fromTo(
"#ef-core",
{ opacity: 0, scale: 0.86, rotation: -5 },
{ opacity: 1, scale: 1, rotation: -5, duration: 0.05, ease: "power4.in" },
hit - 0.01,
);
tl.fromTo(
"#ef-sweep",
{ opacity: 0, xPercent: -12, rotation: -2 },
{ opacity: 0.9, xPercent: 8, rotation: -2, duration: 0.04, ease: "power4.in" },
hit,
);
tl.to("#ef-wash", { opacity: 0, duration: 0.18, ease: "power3.out" }, hit + 0.04);
tl.to(
"#ef-core",
{ opacity: 0, scale: 1.18, rotation: -5, duration: 0.34, ease: "power2.out" },
hit + 0.04,
);
tl.to(
"#ef-sweep",
{ opacity: 0, xPercent: 28, rotation: -2, duration: 0.3, ease: "power2.out" },
hit + 0.04,
);
window.__timelines[compositionId] = tl;
</script>
</body>
</html>
```
</Accordion>
{/* hf:generated-footer */}
Tagged `flash` `editorial` `social` `light` `transition` `overlay` `media-treatment-overlay`.
## Related topics
- [Browse the complete Catalog](/catalog)
- [Add assets and Catalog items in Studio](/studio/assets-and-blocks)
- [Build a richer composition](/go-further)