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hyperframes/docs/catalog/components/push-in.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: "Push In"
description: "A centered headline gains focus through one slow, continuous camera push and a gentle fade out."
---
import { InstallCommand } from "/snippets/install-command.jsx";
import { VariablesExplorer } from "/snippets/variables-explorer.jsx";
## Install
<InstallCommand command="npx hyperframes add push-in" item="push-in" />
That writes one file: `compositions/components/push-in.html`.
<VariablesExplorer
previewSrc="/public/catalog/components/push-in.json"
compositionId="push-in"
compositionSrc="compositions/components/push-in.html"
variables={[{"id":"text","type":"string","role":"content","label":"Headline","description":"Text centered in the camera frame.","default":"Focus"},{"id":"intensity","type":"enum","role":"motion","label":"Push intensity","description":"Final camera scale reached by the push.","default":"standard","options":[{"value":"subtle","label":"Subtle"},{"value":"standard","label":"Standard"},{"value":"bold","label":"Bold"}]}]}
>
```html push-in.html
<!doctype html>
<!--
push-in: HyperFrames video primitive (camera / holdable / emphasize)
Concept: a centered headline stays composed while the full stage makes one
slow camera push. The intensity variable owns the final scale, and a soft
vignette keeps attention on the subject.
Variables:
- text (string, default "Focus"): the centered headline.
- intensity (subtle | standard | bold, default "standard"): maps to a
final stage scale of 1.08, 1.12, or 1.18.
Envelope: fixed 0.80s IN eases the camera into motion, elastic HOLD carries
a continuous linear creep, and fixed 0.65s OUT gently fades the completed
push. If the duration is shorter than IN plus OUT, both fixed phases
compress proportionally and HOLD becomes zero. Longer durations stretch
HOLD only, so the same total camera travel happens more slowly. The
timeline is never time-scaled.
Mount contract: the runtime clones only this template. #root fills the
host box, establishes the container query basis, has no data-width or
data-height, and registers one paused timeline under the hardcoded push-in
id.
-->
<html
lang="en"
data-composition-id="push-in"
data-composition-duration="4"
data-composition-variables='[
{ "id": "text", "type": "string", "role": "content", "label": "Headline", "description": "Text centered in the camera frame.", "default": "Focus" },
{ "id": "intensity", "type": "enum", "role": "motion", "label": "Push intensity", "description": "Final camera scale reached by the push.", "default": "standard", "options": [{ "value": "subtle", "label": "Subtle" }, { "value": "standard", "label": "Standard" }, { "value": "bold", "label": "Bold" }] }
]'
>
<head>
<meta charset="UTF-8" />
<title>Push In</title>
</head>
<body>
<template>
<div id="root" data-composition-id="push-in" data-duration="4" data-fps="30">
<style>
*,
*::before,
*::after {
box-sizing: border-box;
}
#root {
position: absolute;
inset: 0;
overflow: hidden;
container-type: size;
isolation: isolate;
color: var(--fg, #f8fafc);
font-family: var(--font-display, Inter, system-ui, sans-serif);
pointer-events: none;
}
.pi-clip {
position: absolute;
inset: 0;
overflow: hidden;
}
.pi-camera {
position: absolute;
inset: 0;
display: grid;
place-items: center;
overflow: hidden;
background:
radial-gradient(
ellipse at 50% 48%,
color-mix(in srgb, var(--surface, #303747) 92%, white) 0%,
var(--surface, #303747) 27%,
var(--bg, #0b0c0e) 100%
),
var(--bg, #0b0c0e);
transform-origin: 50% 50%;
will-change: transform, opacity;
}
.pi-camera::after {
content: "";
position: absolute;
inset: 0;
background: radial-gradient(
ellipse at 50% 48%,
transparent 24%,
color-mix(in srgb, var(--bg, #0b0c0e) 20%, transparent) 58%,
color-mix(in srgb, var(--bg, #0b0c0e) 88%, transparent) 100%
);
}
.pi-headline {
position: relative;
z-index: 1;
width: min(78cqw, 116cqh);
color: var(--fg, #f8fafc);
font-size: clamp(24px, 12cqw, 144px);
font-weight: 740;
line-height: 0.94;
letter-spacing: -0.055em;
text-align: center;
overflow-wrap: anywhere;
text-shadow: 0 1.5cqh 5cqh color-mix(in srgb, var(--bg, #0b0c0e) 62%, transparent);
}
</style>
<div
id="push-in-clip"
class="pi-clip clip"
data-start="0"
data-duration="4"
data-track-index="0"
>
<div class="pi-camera">
<div class="pi-headline"></div>
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<script>
(function () {
"use strict";
var root = document.getElementById("root");
var camera = root.querySelector(".pi-camera");
var headline = root.querySelector(".pi-headline");
var vars =
window.__hyperframes && window.__hyperframes.getVariables
? window.__hyperframes.getVariables()
: {};
var text = vars.text == null ? "Focus" : String(vars.text);
var intensity =
vars.intensity === "subtle" || vars.intensity === "bold"
? vars.intensity
: "standard";
var scales = { subtle: 1.08, standard: 1.12, bold: 1.18 };
var finalScale = scales[intensity];
headline.textContent = text;
var IN_BASE = 0.8;
var OUT_BASE = 0.65;
var duration = Math.max(0.001, parseFloat(root.dataset.duration || "4"));
var fixedDuration = IN_BASE + OUT_BASE;
var phaseScale = duration < fixedDuration ? duration / fixedDuration : 1;
var IN = IN_BASE * phaseScale;
var OUT = OUT_BASE * phaseScale;
var HOLD = Math.max(0, duration - IN - OUT);
var OUT_START = IN + HOLD;
var inScale = HOLD > 0 ? 1 + (finalScale - 1) * 0.24 : finalScale;
var tl = gsap.timeline({ paused: true });
tl.fromTo(
camera,
{ scale: 1, opacity: 1 },
{ scale: inScale, opacity: 1, duration: IN, ease: "sine.inOut" },
0,
);
if (HOLD > 0) {
tl.to(camera, { scale: finalScale, duration: HOLD, ease: "none" }, IN);
}
tl.to(camera, { opacity: 0, duration: OUT, ease: "power2.in" }, OUT_START);
tl.seek(0);
window.__timelines = window.__timelines || {};
window.__timelines["push-in"] = tl;
})();
</script>
</div>
</template>
</body>
</html>
```
</VariablesExplorer>
## Paste it into your composition
Open `compositions/components/push-in.html` and copy what is inside into your own composition.
A component has no size or duration of its own. It takes both from the composition
you paste it into.
## 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 |
| --- | --- | --- | --- |
| `text` | `Focus` | string | Text centered in the camera frame. |
| `intensity` | `standard` | `subtle`, `standard`, `bold` | Final camera scale reached by the push. |
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="push-in"
data-composition-src="compositions/components/push-in.html"
data-variable-values='{"text":"Focus","intensity":"standard"}'
></div>
```
## Source
<Accordion title="push-in.html">
```html
<!doctype html>
<!--
push-in: HyperFrames video primitive (camera / holdable / emphasize)
Concept: a centered headline stays composed while the full stage makes one
slow camera push. The intensity variable owns the final scale, and a soft
vignette keeps attention on the subject.
Variables:
- text (string, default "Focus"): the centered headline.
- intensity (subtle | standard | bold, default "standard"): maps to a
final stage scale of 1.08, 1.12, or 1.18.
Envelope: fixed 0.80s IN eases the camera into motion, elastic HOLD carries
a continuous linear creep, and fixed 0.65s OUT gently fades the completed
push. If the duration is shorter than IN plus OUT, both fixed phases
compress proportionally and HOLD becomes zero. Longer durations stretch
HOLD only, so the same total camera travel happens more slowly. The
timeline is never time-scaled.
Mount contract: the runtime clones only this template. #root fills the
host box, establishes the container query basis, has no data-width or
data-height, and registers one paused timeline under the hardcoded push-in
id.
-->
<html
lang="en"
data-composition-id="push-in"
data-composition-duration="4"
data-composition-variables='[
{ "id": "text", "type": "string", "role": "content", "label": "Headline", "description": "Text centered in the camera frame.", "default": "Focus" },
{ "id": "intensity", "type": "enum", "role": "motion", "label": "Push intensity", "description": "Final camera scale reached by the push.", "default": "standard", "options": [{ "value": "subtle", "label": "Subtle" }, { "value": "standard", "label": "Standard" }, { "value": "bold", "label": "Bold" }] }
]'
>
<head>
<meta charset="UTF-8" />
<title>Push In</title>
</head>
<body>
<template>
<div id="root" data-composition-id="push-in" data-duration="4" data-fps="30">
<style>
*,
*::before,
*::after {
box-sizing: border-box;
}
#root {
position: absolute;
inset: 0;
overflow: hidden;
container-type: size;
isolation: isolate;
color: var(--fg, #f8fafc);
font-family: var(--font-display, Inter, system-ui, sans-serif);
pointer-events: none;
}
.pi-clip {
position: absolute;
inset: 0;
overflow: hidden;
}
.pi-camera {
position: absolute;
inset: 0;
display: grid;
place-items: center;
overflow: hidden;
background:
radial-gradient(
ellipse at 50% 48%,
color-mix(in srgb, var(--surface, #303747) 92%, white) 0%,
var(--surface, #303747) 27%,
var(--bg, #0b0c0e) 100%
),
var(--bg, #0b0c0e);
transform-origin: 50% 50%;
will-change: transform, opacity;
}
.pi-camera::after {
content: "";
position: absolute;
inset: 0;
background: radial-gradient(
ellipse at 50% 48%,
transparent 24%,
color-mix(in srgb, var(--bg, #0b0c0e) 20%, transparent) 58%,
color-mix(in srgb, var(--bg, #0b0c0e) 88%, transparent) 100%
);
}
.pi-headline {
position: relative;
z-index: 1;
width: min(78cqw, 116cqh);
color: var(--fg, #f8fafc);
font-size: clamp(24px, 12cqw, 144px);
font-weight: 740;
line-height: 0.94;
letter-spacing: -0.055em;
text-align: center;
overflow-wrap: anywhere;
text-shadow: 0 1.5cqh 5cqh color-mix(in srgb, var(--bg, #0b0c0e) 62%, transparent);
}
</style>
<div
id="push-in-clip"
class="pi-clip clip"
data-start="0"
data-duration="4"
data-track-index="0"
>
<div class="pi-camera">
<div class="pi-headline"></div>
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<script>
(function () {
"use strict";
var root = document.getElementById("root");
var camera = root.querySelector(".pi-camera");
var headline = root.querySelector(".pi-headline");
var vars =
window.__hyperframes && window.__hyperframes.getVariables
? window.__hyperframes.getVariables()
: {};
var text = vars.text == null ? "Focus" : String(vars.text);
var intensity =
vars.intensity === "subtle" || vars.intensity === "bold"
? vars.intensity
: "standard";
var scales = { subtle: 1.08, standard: 1.12, bold: 1.18 };
var finalScale = scales[intensity];
headline.textContent = text;
var IN_BASE = 0.8;
var OUT_BASE = 0.65;
var duration = Math.max(0.001, parseFloat(root.dataset.duration || "4"));
var fixedDuration = IN_BASE + OUT_BASE;
var phaseScale = duration < fixedDuration ? duration / fixedDuration : 1;
var IN = IN_BASE * phaseScale;
var OUT = OUT_BASE * phaseScale;
var HOLD = Math.max(0, duration - IN - OUT);
var OUT_START = IN + HOLD;
var inScale = HOLD > 0 ? 1 + (finalScale - 1) * 0.24 : finalScale;
var tl = gsap.timeline({ paused: true });
tl.fromTo(
camera,
{ scale: 1, opacity: 1 },
{ scale: inScale, opacity: 1, duration: IN, ease: "sine.inOut" },
0,
);
if (HOLD > 0) {
tl.to(camera, { scale: finalScale, duration: HOLD, ease: "none" }, IN);
}
tl.to(camera, { opacity: 0, duration: OUT, ease: "power2.in" }, OUT_START);
tl.seek(0);
window.__timelines = window.__timelines || {};
window.__timelines["push-in"] = tl;
})();
</script>
</div>
</template>
</body>
</html>
```
</Accordion>
{/* hf:generated-footer */}
Tagged `motion-primitive` `camera` `push-in` `focus` `emphasize` `holdable`.
## 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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