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frames/docs/catalog/blocks/code-highlight.mdx
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zooqueenandHanzo Dev 70b41673a3 frames: rebrand the fork to Hanzo Frames
Forked from HyperFrames (Apache-2.0), full history preserved.

Hosts are mapped explicitly and BEFORE the identifier rename, because
hyperframes.heygen.com is not decoration: 175 of its occurrences are $schema
identifiers that a validator dereferences. A blind rename would have left them
naming a host that never serves them. The schema files are in this repo under
docs/schema, so the mapped host is one we can actually serve -- that is the
condition that makes the rewrite safe, and serving them is a deploy task, not
an edit. docs/schema/hyperframes.json is renamed to frames.json to match the
identifier it is now published under.

api.heygen.com and the CLI auth against heygen.com are left UNRENAMED on
purpose. They are a dependency on HeyGen's SaaS, not a name of ours to take,
and the right move is to remove that integration rather than rebrand it.

LICENSE and CREDITS.md are untouched; NOTICE records the lineage.

Co-authored-by: Hanzo Dev <[email protected]>
2026-07-28 23:42:24 -07:00

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---
title: "Code Highlight Sweep"
description: "A highlight band sweeps across a target line while the surrounding context dims — draws the eye to one line. `line` is 0-based: `line: 1` targets the second displayed line (unlike code-scroll, whose target is 1-based)."
---
# Code Highlight Sweep
A highlight band sweeps across a target line while the surrounding context dims — draws the eye to one line. `line` is 0-based: `line: 1` targets the second displayed line (unlike code-scroll, whose target is 1-based).
`code` `code-animation` `highlight` `developer`
<video className="w-full aspect-video rounded-xl object-cover bg-zinc-100 dark:bg-zinc-800" src="https://static.heygen.ai/frames-oss/docs/images/catalog/blocks/code-highlight.mp4" poster="https://static.heygen.ai/frames-oss/docs/images/catalog/blocks/code-highlight.png" autoPlay muted loop playsInline />
## Install
<CodeGroup>
```bash Terminal
npx frames add code-highlight
```
</CodeGroup>
## Details
| Property | Value |
| --- | --- |
| Type | Block |
| Dimensions | 1920×1080 |
| Duration | 5s |
## Files
| File | Target | Type |
| --- | --- | --- |
| `code-highlight.html` | `compositions/code-highlight.html` | frames:composition |
## Usage
After installing, add the block to your host composition:
```html
<div data-composition-id="code-highlight" data-composition-src="compositions/code-highlight.html" data-start="0" data-duration="5" data-track-index="1" data-width="1920" data-height="1080"></div>
```