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fix/studio-variable-edit-soft
hyperframes/docs/catalog/components/avatar-group-hover.mdx
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miga-heygenandMiguel Ángel 7b5fdb1ad2 fix(docs): emit catalog source accordion titles as plain strings (#4006) 
The generated catalog pages rendered the "Source" accordion title as a
JSX expression, `<Accordion title={`name.html`}>`. Mintlify's search
indexer stringifies expression attribute nodes rather than evaluating
them, so every one of the 399 catalog pages surfaced its Source section
in search results as "[object Object]" (visible on the Scroll Feed page,
among others).

The template literal carried no escaping benefit: every title is a
single-segment `name.html` path, and a double-quoted JSX string handles
it directly. Introduce `mdxStringAttribute`, which emits a plain
`name="value"` attribute and escapes `& " < { }` as HTML character
references (MDX decodes references inside quoted attribute values, and
unlike JSON.stringify it does not rely on backslash escapes, which JSX
strings do not honour). Use it for both the Source accordion title and
the preview iframe title, and regenerate the catalog pages.

Regenerated with `npx tsx scripts/generate-catalog-pages.ts`; the only
change across the 399 pages is the one Accordion title line each.

Co-authored-by: Miguel Ángel <miguel.sierra@heygen.com>
2026-09-16 11:55:00 -04:00

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---
title: "Avatar Group Hover"
description: "A distance-falloff avatar group lift with bouncy hover return"
---
import { InstallCommand } from "/snippets/install-command.jsx";
import { VariablesExplorer } from "/snippets/variables-explorer.jsx";
## Install
<InstallCommand command="npx hyperframes add avatar-group-hover" item="avatar-group-hover" />
That writes one file: `compositions/components/avatar-group-hover.html`.
<VariablesExplorer
previewSrc="/public/catalog/components/avatar-group-hover.json"
compositionId="avatar-group-hover"
compositionSrc="compositions/components/avatar-group-hover.html"
variables={[{"id":"size","type":"enum","role":"style","label":"Size","description":"Avatar diameter, with the initials scaling alongside it.","default":"standard","options":[{"value":"small","label":"Small"},{"value":"standard","label":"Standard"},{"value":"large","label":"Large"}]},{"id":"overlap","type":"enum","role":"style","label":"Overlap","description":"How far each avatar tucks under the one before it, as a share of its own diameter.","default":"standard","options":[{"value":"tight","label":"Tight"},{"value":"standard","label":"Standard"},{"value":"loose","label":"Loose"}]},{"id":"accent","type":"enum","role":"style","label":"Accent","description":"Colour the avatar gradient resolves into.","default":"blue","options":[{"value":"blue","label":"Blue"},{"value":"violet","label":"Violet"},{"value":"green","label":"Green"}]}]}
>
```html avatar-group-hover.html
<!--
Avatar Group Hover - transitions.dev-inspired primitive for HyperFrames.
Paste the markup and CSS into a composition. Use the timeline integration
note at the bottom as the starting point for deterministic GSAP animation.
Variables. The script reads each one, falls back to the declared default on
anything missing or unrecognised, and writes the result as a custom property
the CSS consumes. The timeline recipe below is untouched by them: it still
drives one lift offset, and these decide what it lifts.
- size (small | standard | large, default standard): avatar diameter,
42px, 54px or 70px. The initials scale with it.
- overlap (tight | standard | loose, default standard): how far each
avatar tucks under the one before it, as a share of its own diameter:
half, a third, or barely an eighth.
- accent (blue | violet | green, default blue): the colour the avatar
gradient resolves into out of the shared near-black.
On every default the result is identical to the original: 54px avatars
overlapping by 18px in the blue gradient.
-->
<div
class="hf-transition-avatar-group-hover"
data-composition-variables='[
{ "id": "size", "type": "enum", "role": "style", "label": "Size", "description": "Avatar diameter, with the initials scaling alongside it.", "default": "standard", "options": [{ "value": "small", "label": "Small" }, { "value": "standard", "label": "Standard" }, { "value": "large", "label": "Large" }] },
{ "id": "overlap", "type": "enum", "role": "style", "label": "Overlap", "description": "How far each avatar tucks under the one before it, as a share of its own diameter.", "default": "standard", "options": [{ "value": "tight", "label": "Tight" }, { "value": "standard", "label": "Standard" }, { "value": "loose", "label": "Loose" }] },
{ "id": "accent", "type": "enum", "role": "style", "label": "Accent", "description": "Colour the avatar gradient resolves into.", "default": "blue", "options": [{ "value": "blue", "label": "Blue" }, { "value": "violet", "label": "Violet" }, { "value": "green", "label": "Green" }] }
]'
>
<span>A</span><span>B</span><span>C</span><span>D</span>
</div>
<style>
.hf-transition-avatar-group-hover {
display: inline-flex;
align-items: center;
padding-left: var(--hf-avatar-overlap, 18px);
font-family: Inter, system-ui, sans-serif;
}
.hf-transition-avatar-group-hover span {
display: grid;
place-items: center;
width: var(--hf-avatar-size, 54px);
height: var(--hf-avatar-size, 54px);
margin-left: calc(-1 * var(--hf-avatar-overlap, 18px));
border: 3px solid #fff;
border-radius: 999px;
background: linear-gradient(135deg, #111827, var(--hf-avatar-accent, #0ea5e9));
color: #fff;
font-size: var(--hf-avatar-font, 1em);
font-weight: 900;
box-shadow: 0 12px 30px rgba(24, 24, 27, 0.18);
transform: translateY(var(--hf-avatar-y, 0px));
}
</style>
<script>
(function () {
"use strict";
var vars =
window.__hyperframes && window.__hyperframes.getVariables
? window.__hyperframes.getVariables()
: {};
// Unrecognised overrides return to their declared defaults.
var sizes = { small: 42, standard: 54, large: 70 };
var fonts = { small: "0.8em", standard: "1em", large: "1.3em" };
// Overlap is a share of the diameter, so the two knobs stay independent.
var overlaps = { tight: 0.5, standard: 1 / 3, loose: 0.12 };
var accents = { blue: "#0ea5e9", violet: "#a78bfa", green: "#34d399" };
function pick(table, value, fallback) {
return Object.prototype.hasOwnProperty.call(table, value) ? value : fallback;
}
var sizeName = pick(sizes, vars.size, "standard");
var overlapName = pick(overlaps, vars.overlap, "standard");
var accent = accents[pick(accents, vars.accent, "blue")];
var diameter = sizes[sizeName];
var overlap = Math.round(diameter * overlaps[overlapName]);
var roots = document.querySelectorAll(".hf-transition-avatar-group-hover");
for (var i = 0; i < roots.length; i += 1) {
var style = roots[i].style;
style.setProperty("--hf-avatar-size", diameter + "px");
style.setProperty("--hf-avatar-font", fonts[sizeName]);
style.setProperty("--hf-avatar-overlap", overlap + "px");
style.setProperty("--hf-avatar-accent", accent);
}
})();
</script>
<!--
Timeline integration:
tl.to('.hf-transition-avatar-group-hover span', { '--hf-avatar-y': '-18px', duration: 0.28, stagger: { each: 0.035, from: 'center' }, ease: 'back.out(1.8)' }, startTime); tl.to('.hf-transition-avatar-group-hover span', { '--hf-avatar-y': '0px', duration: 0.42, stagger: { each: 0.035, from: 'center' }, ease: 'bounce.out' }, startTime + 0.36);
-->
```
</VariablesExplorer>
## Variables
Every one of these has a default, so the piece works untouched. Set the ones you
want to change on the element:
| Variable | Default | Accepts | What it does |
| --- | --- | --- | --- |
| `size` | `standard` | `small`, `standard`, `large` | Avatar diameter, with the initials scaling alongside it. |
| `overlap` | `standard` | `tight`, `standard`, `loose` | How far each avatar tucks under the one before it, as a share of its own diameter. |
| `accent` | `blue` | `blue`, `violet`, `green` | Colour the avatar gradient resolves into. |
Set them with `data-variable-values` on the element that mounts it. These are the
defaults, so this behaves exactly like the preview above until you change one:
```html wrap
<div
data-composition-id="avatar-group-hover"
data-composition-src="compositions/components/avatar-group-hover.html"
data-variable-values='{"size":"standard","overlap":"standard","accent":"blue"}'
></div>
```
## Source
<Accordion title="avatar-group-hover.html">
```html
<!--
Avatar Group Hover - transitions.dev-inspired primitive for HyperFrames.
Paste the markup and CSS into a composition. Use the timeline integration
note at the bottom as the starting point for deterministic GSAP animation.
Variables. The script reads each one, falls back to the declared default on
anything missing or unrecognised, and writes the result as a custom property
the CSS consumes. The timeline recipe below is untouched by them: it still
drives one lift offset, and these decide what it lifts.
- size (small | standard | large, default standard): avatar diameter,
42px, 54px or 70px. The initials scale with it.
- overlap (tight | standard | loose, default standard): how far each
avatar tucks under the one before it, as a share of its own diameter:
half, a third, or barely an eighth.
- accent (blue | violet | green, default blue): the colour the avatar
gradient resolves into out of the shared near-black.
On every default the result is identical to the original: 54px avatars
overlapping by 18px in the blue gradient.
-->
<div
class="hf-transition-avatar-group-hover"
data-composition-variables='[
{ "id": "size", "type": "enum", "role": "style", "label": "Size", "description": "Avatar diameter, with the initials scaling alongside it.", "default": "standard", "options": [{ "value": "small", "label": "Small" }, { "value": "standard", "label": "Standard" }, { "value": "large", "label": "Large" }] },
{ "id": "overlap", "type": "enum", "role": "style", "label": "Overlap", "description": "How far each avatar tucks under the one before it, as a share of its own diameter.", "default": "standard", "options": [{ "value": "tight", "label": "Tight" }, { "value": "standard", "label": "Standard" }, { "value": "loose", "label": "Loose" }] },
{ "id": "accent", "type": "enum", "role": "style", "label": "Accent", "description": "Colour the avatar gradient resolves into.", "default": "blue", "options": [{ "value": "blue", "label": "Blue" }, { "value": "violet", "label": "Violet" }, { "value": "green", "label": "Green" }] }
]'
>
<span>A</span><span>B</span><span>C</span><span>D</span>
</div>
<style>
.hf-transition-avatar-group-hover {
display: inline-flex;
align-items: center;
padding-left: var(--hf-avatar-overlap, 18px);
font-family: Inter, system-ui, sans-serif;
}
.hf-transition-avatar-group-hover span {
display: grid;
place-items: center;
width: var(--hf-avatar-size, 54px);
height: var(--hf-avatar-size, 54px);
margin-left: calc(-1 * var(--hf-avatar-overlap, 18px));
border: 3px solid #fff;
border-radius: 999px;
background: linear-gradient(135deg, #111827, var(--hf-avatar-accent, #0ea5e9));
color: #fff;
font-size: var(--hf-avatar-font, 1em);
font-weight: 900;
box-shadow: 0 12px 30px rgba(24, 24, 27, 0.18);
transform: translateY(var(--hf-avatar-y, 0px));
}
</style>
<script>
(function () {
"use strict";
var vars =
window.__hyperframes && window.__hyperframes.getVariables
? window.__hyperframes.getVariables()
: {};
// Unrecognised overrides return to their declared defaults.
var sizes = { small: 42, standard: 54, large: 70 };
var fonts = { small: "0.8em", standard: "1em", large: "1.3em" };
// Overlap is a share of the diameter, so the two knobs stay independent.
var overlaps = { tight: 0.5, standard: 1 / 3, loose: 0.12 };
var accents = { blue: "#0ea5e9", violet: "#a78bfa", green: "#34d399" };
function pick(table, value, fallback) {
return Object.prototype.hasOwnProperty.call(table, value) ? value : fallback;
}
var sizeName = pick(sizes, vars.size, "standard");
var overlapName = pick(overlaps, vars.overlap, "standard");
var accent = accents[pick(accents, vars.accent, "blue")];
var diameter = sizes[sizeName];
var overlap = Math.round(diameter * overlaps[overlapName]);
var roots = document.querySelectorAll(".hf-transition-avatar-group-hover");
for (var i = 0; i < roots.length; i += 1) {
var style = roots[i].style;
style.setProperty("--hf-avatar-size", diameter + "px");
style.setProperty("--hf-avatar-font", fonts[sizeName]);
style.setProperty("--hf-avatar-overlap", overlap + "px");
style.setProperty("--hf-avatar-accent", accent);
}
})();
</script>
<!--
Timeline integration:
tl.to('.hf-transition-avatar-group-hover span', { '--hf-avatar-y': '-18px', duration: 0.28, stagger: { each: 0.035, from: 'center' }, ease: 'back.out(1.8)' }, startTime); tl.to('.hf-transition-avatar-group-hover span', { '--hf-avatar-y': '0px', duration: 0.42, stagger: { each: 0.035, from: 'center' }, ease: 'bounce.out' }, startTime + 0.36);
-->
```
</Accordion>
## Usage
Open `compositions/components/avatar-group-hover.html` and paste its contents into your composition. See the comment header in the file for detailed instructions.
{/* hf:generated-footer */}
Tagged `video-primitive` `transition-primitive` `transitions-dev-port` `avatar` `hover`.
## Related topics
- [Browse the complete Catalog](/catalog)
- [Add assets and Catalog items in Studio](/studio/assets-and-blocks)
- [Build a richer composition](/go-further)
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