mirror of
https://github.com/heygen-com/hyperframes.git
synced 2026-10-30 17:27:09 +00:00
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>
863 lines
28 KiB
Plaintext
863 lines
28 KiB
Plaintext
---
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title: "Code Diff"
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description: "An edit shown as a colored diff — removed lines collapse in red, added lines expand in green."
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---
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import { InstallCommand } from "/snippets/install-command.jsx";
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## Install
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<InstallCommand command="npx hyperframes add code-diff" item="code-diff" />
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That writes one file: `compositions/code-diff.html`.
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<iframe
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className="w-full aspect-video rounded-xl border-0 bg-zinc-100 dark:bg-zinc-800"
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title="code-diff preview"
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loading="lazy"
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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@latest/dist/hyperframes-player.global.js"><\/script></head><body><script>fetch("/public/catalog/blocks/code-diff.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/code-diff.png");document.body.appendChild(p)});<\/script></body></html>`}
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/>
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## Source
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<Accordion title="code-diff.html">
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```html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=1920, height=1080" />
|
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<title>Code Diff</title>
|
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<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
|
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<style>
|
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* {
|
|
margin: 0;
|
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padding: 0;
|
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box-sizing: border-box;
|
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}
|
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html,
|
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body {
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width: 1920px;
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height: 1080px;
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overflow: hidden;
|
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background: #05070b;
|
|
}
|
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#root {
|
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position: relative;
|
|
width: 1920px;
|
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height: 1080px;
|
|
font-family: "JetBrains Mono", monospace;
|
|
color: #e6edf3;
|
|
}
|
|
.bg-field {
|
|
position: absolute;
|
|
inset: 0;
|
|
background: radial-gradient(1200px 700px at 50% 18%, #0e1726 0%, #070b12 55%, #05070b 100%);
|
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}
|
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.bg-grid {
|
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position: absolute;
|
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inset: 0;
|
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background-image:
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linear-gradient(rgba(88, 166, 255, 0.05) 1px, transparent 1px),
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linear-gradient(90deg, rgba(88, 166, 255, 0.05) 1px, transparent 1px);
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background-size: 64px 64px;
|
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mask-image: radial-gradient(1100px 620px at 50% 42%, #000 0%, transparent 78%);
|
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}
|
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.bg-glow {
|
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position: absolute;
|
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width: 900px;
|
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height: 900px;
|
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border-radius: 50%;
|
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filter: blur(120px);
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opacity: 0.5;
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}
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.bg-glow.a {
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background: #1f6feb55;
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left: -180px;
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top: -200px;
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}
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.bg-glow.b {
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background: #2ea04355;
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right: -200px;
|
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bottom: -260px;
|
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}
|
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.editor {
|
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position: absolute;
|
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left: 50%;
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top: 50%;
|
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transform: translate(-50%, -50%);
|
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width: 1380px;
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height: 800px;
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background: #0b0f17;
|
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border: 1px solid #1d2733;
|
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border-radius: 16px;
|
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box-shadow:
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0 40px 120px rgba(0, 0, 0, 0.6),
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0 2px 0 rgba(255, 255, 255, 0.03) inset;
|
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overflow: hidden;
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display: flex;
|
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flex-direction: column;
|
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}
|
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.titlebar {
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height: 56px;
|
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flex: 0 0 56px;
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display: flex;
|
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align-items: center;
|
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gap: 16px;
|
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padding: 0 22px;
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background: linear-gradient(#11161f, #0c111a);
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border-bottom: 1px solid #1b2430;
|
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}
|
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.dots {
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display: flex;
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gap: 10px;
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}
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.dot {
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width: 14px;
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height: 14px;
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border-radius: 50%;
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}
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.dot.r {
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background: #ff5f57;
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}
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.dot.y {
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background: #febc2e;
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}
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.dot.g {
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background: #28c840;
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}
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.filename {
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font-size: 19px;
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color: #8b98a9;
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letter-spacing: 0.2px;
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}
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.filename .accent {
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color: #d6e2f0;
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}
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.code-surface {
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position: relative;
|
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flex: 1 1 auto;
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overflow: hidden;
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}
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.scene {
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position: absolute;
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inset: 0;
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opacity: 0;
|
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will-change: opacity;
|
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}
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.code {
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position: absolute;
|
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top: 38px;
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left: 0;
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right: 0;
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padding: 0 44px 0 104px;
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font-size: 30px;
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line-height: 46px;
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font-variant-ligatures: none;
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tab-size: 2;
|
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}
|
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.gutter {
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position: absolute;
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top: 38px;
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left: 0;
|
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width: 84px;
|
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padding-right: 18px;
|
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font-size: 30px;
|
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line-height: 46px;
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text-align: right;
|
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color: #828c9b;
|
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user-select: none;
|
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}
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.ln {
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display: block;
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height: 46px;
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}
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.line {
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display: block;
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min-height: 46px;
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white-space: pre;
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position: relative;
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z-index: 1;
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}
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.tok {
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display: inline-block;
|
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white-space: pre;
|
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will-change: transform, opacity;
|
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}
|
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.caret {
|
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position: absolute;
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top: 0;
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left: 0;
|
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width: 3px;
|
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height: 32px;
|
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margin-top: 6px;
|
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background: #58a6ff;
|
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border-radius: 1px;
|
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z-index: 3;
|
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}
|
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.hl-box {
|
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position: absolute;
|
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background: rgba(88, 166, 255, 0.16);
|
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border-left: 3px solid #58a6ff;
|
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border-radius: 6px;
|
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z-index: 0;
|
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overflow: hidden;
|
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}
|
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.diff-line {
|
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display: block;
|
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min-height: 0;
|
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line-height: 46px;
|
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white-space: pre;
|
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position: relative;
|
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overflow: hidden;
|
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padding-left: 14px;
|
|
}
|
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.diff-sign {
|
|
display: inline-block;
|
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width: 22px;
|
|
color: #41506220;
|
|
}
|
|
.diff-del {
|
|
background: rgba(248, 81, 73, 0.12);
|
|
box-shadow: inset 3px 0 #f85149;
|
|
}
|
|
.diff-add {
|
|
background: rgba(63, 185, 80, 0.12);
|
|
box-shadow: inset 3px 0 #3fb950;
|
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}
|
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.diff-del .diff-sign {
|
|
color: #f85149;
|
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}
|
|
.diff-add .diff-sign {
|
|
color: #3fb950;
|
|
}
|
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.flight-block {
|
|
position: absolute;
|
|
white-space: pre;
|
|
font-size: 27px;
|
|
line-height: 40px;
|
|
padding: 11px 22px;
|
|
border-radius: 11px;
|
|
background: #0f1722;
|
|
border: 1px solid #233044;
|
|
box-shadow: 0 16px 44px rgba(0, 0, 0, 0.5);
|
|
will-change: transform, opacity;
|
|
}
|
|
.flight-target {
|
|
position: absolute;
|
|
border: 1.5px dashed #2a3a4f;
|
|
border-radius: 14px;
|
|
opacity: 0;
|
|
}
|
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</style>
|
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</head>
|
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<body>
|
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<div
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id="root"
|
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data-composition-id="code-diff"
|
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data-start="0"
|
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data-duration="6"
|
|
data-width="1920"
|
|
data-height="1080"
|
|
>
|
|
<div class="bg-field" data-layout-ignore></div>
|
|
<div class="bg-grid" data-layout-ignore></div>
|
|
<div class="bg-glow a" data-layout-ignore></div>
|
|
<div class="bg-glow b" data-layout-ignore></div>
|
|
<div class="editor" id="editor" data-layout-ignore>
|
|
<div class="titlebar">
|
|
<div class="dots">
|
|
<span class="dot r"></span><span class="dot y"></span><span class="dot g"></span>
|
|
</div>
|
|
<span class="filename"><span class="accent">greet.js</span> — Code Diff</span>
|
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</div>
|
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<div class="code-surface" id="surface"></div>
|
|
</div>
|
|
</div>
|
|
<script>
|
|
window.__TOKENS = {
|
|
diff: {
|
|
lang: "js",
|
|
theme: "github-dark",
|
|
bg: "#24292e",
|
|
fg: "#e1e4e8",
|
|
states: [
|
|
{
|
|
code: 'function greet(name) {\n console.log("hi " + name)\n}',
|
|
tokens: [
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-0",
|
|
content: "function",
|
|
color: "#F97583",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-1",
|
|
content: " ",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-2",
|
|
content: "greet",
|
|
color: "#B392F0",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-3",
|
|
content: "(",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-4",
|
|
content: "name",
|
|
color: "#FFAB70",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-5",
|
|
content: ") {",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-6",
|
|
content: "\n",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-7",
|
|
content: " ",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-8",
|
|
content: "console.",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-9",
|
|
content: "log",
|
|
color: "#B392F0",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-10",
|
|
content: "(",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-11",
|
|
content: '"hi "',
|
|
color: "#9ECBFF",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-12",
|
|
content: " ",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-13",
|
|
content: "+",
|
|
color: "#F97583",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-14",
|
|
content: " ",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-15",
|
|
content: "name)",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-16",
|
|
content: "\n",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-17",
|
|
content: "}",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-18",
|
|
content: "\n",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
],
|
|
},
|
|
{
|
|
code: 'function greet(name, lang) {\n const msg = translate("hi", lang)\n console.log(`${msg} ${name}`)\n}',
|
|
tokens: [
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-0",
|
|
content: "function",
|
|
color: "#F97583",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-1",
|
|
content: " ",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-2",
|
|
content: "greet",
|
|
color: "#B392F0",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-3",
|
|
content: "(",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-4",
|
|
content: "name",
|
|
color: "#FFAB70",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-5",
|
|
content: ",",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-6",
|
|
content: " ",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-7",
|
|
content: "lang",
|
|
color: "#FFAB70",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-5",
|
|
content: ") {",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-6",
|
|
content: "\n",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-7",
|
|
content: " ",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-11",
|
|
content: "const",
|
|
color: "#F97583",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-12",
|
|
content: " ",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-13",
|
|
content: "msg",
|
|
color: "#79B8FF",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-14",
|
|
content: " ",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-15",
|
|
content: "=",
|
|
color: "#F97583",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-16",
|
|
content: " ",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-17",
|
|
content: "translate",
|
|
color: "#B392F0",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-10",
|
|
content: "(",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-19",
|
|
content: '"hi"',
|
|
color: "#9ECBFF",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-20",
|
|
content: ", lang)",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-21",
|
|
content: "\n",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-22",
|
|
content: " ",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-23",
|
|
content: "console.",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-9",
|
|
content: "log",
|
|
color: "#B392F0",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-25",
|
|
content: "(",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-26",
|
|
content: "`${",
|
|
color: "#9ECBFF",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-27",
|
|
content: "msg",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-28",
|
|
content: "} ${",
|
|
color: "#9ECBFF",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-29",
|
|
content: "name",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-30",
|
|
content: "}`",
|
|
color: "#9ECBFF",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-31",
|
|
content: ")",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-16",
|
|
content: "\n",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "97wperY-uI8_OA5W5UX94Q5keKEoIobaKXQ6V8Tcd5I-17",
|
|
content: "}",
|
|
color: "#E1E4E8",
|
|
fontStyle: 0,
|
|
},
|
|
{
|
|
key: "w2rmoAdPXgC70S4pDXgHIIwz8Jqq0QKYf1B6jvTMUJ8-34",
|
|
content: "\n",
|
|
color: "#e1e4e8",
|
|
fontStyle: 0,
|
|
},
|
|
],
|
|
},
|
|
],
|
|
},
|
|
};
|
|
window.__BLOCK = { id: "code-diff", effect: "diff", seq: "diff", duration: 6 };
|
|
</script>
|
|
<script>
|
|
// hf-code-anim.js — self-contained code-animation engine for HyperFrames registry blocks.
|
|
//
|
|
// Reuses Shiki Magic Move's baked output (window.__TOKENS, baked at author time) and
|
|
// drives the animation as a PAUSED GSAP timeline the HyperFrames engine seeks per frame —
|
|
// NOT CSS transitions (those break under non-sequential frame seeking). FLIP measurement
|
|
// runs once inside document.fonts.ready (glyph metrics must be final). Each block sets
|
|
// window.__BLOCK = { id, effect, seq, line?, duration } and includes this engine; the
|
|
// engine builds one scene that fills the composition and registers window.__timelines[id].
|
|
(function () {
|
|
"use strict";
|
|
var T = window.__TOKENS || {};
|
|
|
|
function lineDiv() {
|
|
var d = document.createElement("div");
|
|
d.className = "line";
|
|
return d;
|
|
}
|
|
|
|
// Render a code state's keyed tokens into codeEl as lines of inline-block .tok spans.
|
|
function renderState(codeEl, state) {
|
|
codeEl.textContent = "";
|
|
var keyToEl = new Map();
|
|
var line = lineDiv();
|
|
codeEl.appendChild(line);
|
|
for (var i = 0; i < state.tokens.length; i++) {
|
|
var t = state.tokens[i];
|
|
if (t.content === "\n") {
|
|
line = lineDiv();
|
|
codeEl.appendChild(line);
|
|
continue;
|
|
}
|
|
var span = document.createElement("span");
|
|
span.className = "tok";
|
|
span.textContent = t.content;
|
|
span.style.color = t.color;
|
|
if (t.fontStyle & 1) span.style.fontStyle = "italic";
|
|
if (t.fontStyle & 2) span.style.fontWeight = "700";
|
|
line.appendChild(span);
|
|
keyToEl.set(t.key, span);
|
|
}
|
|
var last = codeEl.lastChild;
|
|
if (last && last.className === "line" && last.children.length === 0)
|
|
codeEl.removeChild(last);
|
|
return keyToEl;
|
|
}
|
|
|
|
function rectsOf(keyToEl) {
|
|
var m = new Map();
|
|
keyToEl.forEach(function (el, k) {
|
|
var r = el.getBoundingClientRect();
|
|
m.set(k, { left: r.left, top: r.top });
|
|
});
|
|
return m;
|
|
}
|
|
|
|
function makeScene(surface, withGutter) {
|
|
var scene = document.createElement("div");
|
|
scene.className = "scene";
|
|
if (withGutter) {
|
|
var g = document.createElement("div");
|
|
g.className = "gutter";
|
|
scene.appendChild(g);
|
|
}
|
|
var code = document.createElement("div");
|
|
code.className = "code";
|
|
scene.appendChild(code);
|
|
surface.appendChild(scene);
|
|
return { scene: scene, code: code, gutter: scene.querySelector(".gutter") };
|
|
}
|
|
|
|
function fillGutter(g, n) {
|
|
var html = "";
|
|
for (var i = 1; i <= n; i++) html += '<span class="ln">' + i + "</span>";
|
|
g.innerHTML = html;
|
|
}
|
|
|
|
function splitLines(state) {
|
|
var lines = [{ text: "", tokens: [] }];
|
|
for (var i = 0; i < state.tokens.length; i++) {
|
|
var t = state.tokens[i];
|
|
if (t.content === "\n") {
|
|
lines.push({ text: "", tokens: [] });
|
|
continue;
|
|
}
|
|
var cur = lines[lines.length - 1];
|
|
cur.tokens.push(t);
|
|
cur.text += t.content;
|
|
}
|
|
if (lines.length && lines[lines.length - 1].tokens.length === 0) lines.pop();
|
|
return lines;
|
|
}
|
|
|
|
function lineDiff(a, b) {
|
|
var n = a.length;
|
|
var m = b.length;
|
|
var dp = [];
|
|
for (var i = 0; i <= n; i++) dp.push(new Array(m + 1).fill(0));
|
|
for (var i = n - 1; i >= 0; i--) {
|
|
for (var j = m - 1; j >= 0; j--) {
|
|
dp[i][j] =
|
|
a[i].text === b[j].text
|
|
? dp[i + 1][j + 1] + 1
|
|
: Math.max(dp[i + 1][j], dp[i][j + 1]);
|
|
}
|
|
}
|
|
var ops = [];
|
|
var i = 0;
|
|
var j = 0;
|
|
while (i < n && j < m) {
|
|
if (a[i].text === b[j].text) {
|
|
ops.push({ type: "same", line: b[j] });
|
|
i++;
|
|
j++;
|
|
} else if (dp[i + 1][j] >= dp[i][j + 1]) {
|
|
ops.push({ type: "del", line: a[i] });
|
|
i++;
|
|
} else {
|
|
ops.push({ type: "add", line: b[j] });
|
|
j++;
|
|
}
|
|
}
|
|
while (i < n) ops.push({ type: "del", line: a[i++] });
|
|
while (j < m) ops.push({ type: "add", line: b[j++] });
|
|
return ops;
|
|
}
|
|
|
|
// ---- single-scene effect builders (fade in, play, hold to end) -------------
|
|
var FADE = 0.45;
|
|
|
|
function diff(tl, surface, states, start) {
|
|
var DEL = 0.55;
|
|
var ADD = 0.6;
|
|
var ops = lineDiff(splitLines(states[0]), splitLines(states[1]));
|
|
var parts = makeScene(surface, false);
|
|
var code = parts.code;
|
|
var delEls = [];
|
|
var addEls = [];
|
|
ops.forEach(function (op) {
|
|
var ln = document.createElement("div");
|
|
ln.className =
|
|
"diff-line" +
|
|
(op.type === "del" ? " diff-del" : op.type === "add" ? " diff-add" : "");
|
|
var sign = document.createElement("span");
|
|
sign.className = "diff-sign";
|
|
sign.textContent = op.type === "del" ? "- " : op.type === "add" ? "+ " : " ";
|
|
ln.appendChild(sign);
|
|
op.line.tokens.forEach(function (t) {
|
|
var s = document.createElement("span");
|
|
s.className = "tok";
|
|
s.textContent = t.content;
|
|
s.style.color = t.color;
|
|
ln.appendChild(s);
|
|
});
|
|
code.appendChild(ln);
|
|
if (op.type === "del") delEls.push(ln);
|
|
if (op.type === "add") addEls.push(ln);
|
|
});
|
|
tl.set(parts.scene, { opacity: 0 }, 0);
|
|
tl.to(parts.scene, { opacity: 1, duration: FADE, ease: "power1.out" }, start);
|
|
var atDel = start + FADE + 0.3;
|
|
delEls.forEach(function (el, k) {
|
|
tl.fromTo(
|
|
el,
|
|
{ height: 46, opacity: 1 },
|
|
{ height: 0, opacity: 0, duration: DEL, ease: "power2.inOut" },
|
|
atDel + k * 0.08,
|
|
);
|
|
});
|
|
var atAdd = atDel + DEL + 0.15;
|
|
addEls.forEach(function (el, k) {
|
|
tl.set(el, { height: 0, opacity: 0 }, 0);
|
|
tl.fromTo(
|
|
el,
|
|
{ height: 0, opacity: 0 },
|
|
{ height: 46, opacity: 1, duration: ADD, ease: "power2.out" },
|
|
atAdd + k * 0.12,
|
|
);
|
|
});
|
|
}
|
|
|
|
function buildEffect(tl, surface, spec) {
|
|
var start = 0.45;
|
|
var seq = T[spec.seq];
|
|
if (spec.effect === "diff") diff(tl, surface, seq.states, start);
|
|
}
|
|
|
|
function go() {
|
|
var spec = window.__BLOCK;
|
|
var surface = document.getElementById("surface");
|
|
var root = document.getElementById("root");
|
|
window.__timelines = window.__timelines || {};
|
|
var tl = gsap.timeline({ paused: true });
|
|
// Build inside fonts.ready (glyph metrics must be final), then register.
|
|
// Register ONLY after the timeline is fully built: the runtime's
|
|
// sub-composition readiness gate treats "key present" as "ready" and
|
|
// nests the child once. An empty timeline registered before this build
|
|
// would be nested empty and never re-nested → blank render when used as
|
|
// a sub-composition. See the contract in engine frameCapture.ts.
|
|
document.fonts.ready.then(function () {
|
|
tl.from("#editor", { opacity: 0, scale: 0.985, duration: 0.5, ease: "power2.out" }, 0);
|
|
buildEffect(tl, surface, spec);
|
|
var dur = parseFloat(root.dataset.duration) || tl.duration();
|
|
tl.to({}, { duration: dur }, 0); // pad to full composition length
|
|
window.__timelines["code-diff"] = tl; // register AFTER setup completes
|
|
if (typeof window.__hfForceTimelineRebind === "function") {
|
|
window.__hfForceTimelineRebind(); // re-nest now that we are populated
|
|
}
|
|
});
|
|
}
|
|
|
|
if (document.readyState === "loading") document.addEventListener("DOMContentLoaded", go);
|
|
else go();
|
|
})();
|
|
</script>
|
|
</body>
|
|
</html>
|
|
```
|
|
|
|
</Accordion>
|
|
|
|
## Usage
|
|
|
|
After installing, add the block to your host composition:
|
|
|
|
```html
|
|
<div data-composition-id="code-diff" data-composition-src="compositions/code-diff.html" data-start="0" data-duration="6" data-track-index="1" data-width="1920" data-height="1080"></div>
|
|
```
|
|
|
|
{/* hf:generated-footer */}
|
|
|
|
Tagged `code` `code-animation` `diff` `developer`.
|
|
|
|
## Related topics
|
|
|
|
- [Browse the complete Catalog](/catalog)
|
|
- [Add assets and Catalog items in Studio](/studio/assets-and-blocks)
|
|
- [Build a richer composition](/go-further)
|