mirror of
https://github.com/heygen-com/hyperframes.git
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miga-heygenandMiguel Ángel
7b5fdb1ad2
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>
304 lines
9.9 KiB
Plaintext
304 lines
9.9 KiB
Plaintext
---
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title: "Highlight"
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description: "Red background sweep behind each active word, TikTok-style"
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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 caption-highlight" item="caption-highlight" />
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That writes one file: `compositions/components/caption-highlight.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="caption-highlight 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/components/caption-highlight.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/components/caption-highlight.png");document.body.appendChild(p)});<\/script></body></html>`}
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/>
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## Source
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<Accordion title="caption-highlight.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>Highlight</title>
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<link rel="preconnect" href="https://fonts.googleapis.com" />
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
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<link
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href="https://fonts.googleapis.com/css2?family=Montserrat:wght@800&display=swap"
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rel="stylesheet"
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/>
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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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*,
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*::before,
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*::after {
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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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margin: 0;
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overflow: hidden;
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background: transparent;
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}
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#highlight {
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pointer-events: none;
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position: relative;
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width: 1920px;
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height: 1080px;
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overflow: hidden;
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background: transparent;
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}
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#hl-video {
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position: absolute;
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inset: 0;
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z-index: 0;
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width: 100%;
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height: 100%;
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object-fit: cover;
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}
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.hl-overlay {
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position: absolute;
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inset: 0;
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background: transparent;
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z-index: 1;
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pointer-events: none;
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}
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#hl-container {
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position: absolute;
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inset: 0;
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z-index: 10;
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pointer-events: none;
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}
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.hl-group {
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position: absolute;
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bottom: 140px;
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left: 0;
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width: 100%;
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display: flex;
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flex-wrap: wrap;
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align-items: flex-end;
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justify-content: center;
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gap: 8px;
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padding: 0 100px;
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opacity: 0;
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visibility: hidden;
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}
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.hl-word {
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font-family: "Montserrat", sans-serif;
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font-weight: 800;
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font-size: 80px;
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text-transform: uppercase;
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color: #ffffff;
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display: inline-block;
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letter-spacing: 0.02em;
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line-height: 1;
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position: relative;
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padding: 6px 12px 8px;
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text-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
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transform-origin: 50% 58%;
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will-change: transform, filter;
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}
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.hl-word-bg {
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position: absolute;
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inset: 0;
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background: linear-gradient(135deg, #ff1745 0%, #df1238 100%);
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border-radius: 10px;
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box-shadow: 0 12px 30px rgba(229, 20, 58, 0.32);
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opacity: 0;
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transform: scaleX(0);
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transform-origin: 0% 50%;
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z-index: -1;
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}
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.hl-word-text {
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position: relative;
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z-index: 1;
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}
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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="highlight"
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data-composition-id="caption-highlight"
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data-timeline-locked
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data-start="0"
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data-duration="8"
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data-fps="30"
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data-width="1920"
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data-height="1080"
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>
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<div class="hl-overlay"></div>
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<div id="hl-container"></div>
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</div>
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<script>
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(function () {
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window.__timelines = window.__timelines || {};
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var _fitCanvas = document.createElement("canvas");
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var _fitCtx = _fitCanvas.getContext("2d");
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function fitFontSize(text, baseFontSize, fontWeight, fontFamily, maxWidth) {
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var size = baseFontSize;
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var minSize = Math.floor(baseFontSize * 0.45);
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while (size > minSize) {
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_fitCtx.font = fontWeight + " " + size + "px " + fontFamily;
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if (_fitCtx.measureText(text).width <= maxWidth) return size;
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size -= 2;
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}
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return minSize;
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}
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var WORDS = [
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{ text: "Every", start: 0.0, end: 0.3 },
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{ text: "great", start: 0.3, end: 0.55 },
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{ text: "video", start: 0.55, end: 0.85 },
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{ text: "starts", start: 0.85, end: 1.1 },
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{ text: "with", start: 1.1, end: 1.25 },
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{ text: "a", start: 1.25, end: 1.35 },
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{ text: "single", start: 1.35, end: 1.65 },
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{ text: "frame.", start: 1.65, end: 2.0 },
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{ text: "HyperFrames", start: 2.1, end: 2.65 },
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{ text: "lets", start: 2.65, end: 2.85 },
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{ text: "you", start: 2.85, end: 2.95 },
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{ text: "write", start: 2.95, end: 3.15 },
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{ text: "HTML", start: 3.15, end: 3.55 },
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{ text: "and", start: 3.55, end: 3.65 },
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{ text: "render", start: 3.65, end: 3.95 },
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{ text: "professional", start: 3.95, end: 4.45 },
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{ text: "video.", start: 4.45, end: 4.8 },
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{ text: "No", start: 4.9, end: 5.05 },
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{ text: "timeline.", start: 5.05, end: 5.45 },
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{ text: "No", start: 5.5, end: 5.65 },
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{ text: "drag", start: 5.65, end: 5.85 },
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{ text: "and", start: 5.85, end: 5.95 },
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{ text: "drop.", start: 5.95, end: 6.25 },
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{ text: "Just", start: 6.35, end: 6.55 },
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{ text: "code", start: 6.55, end: 6.8 },
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{ text: "that", start: 6.8, end: 6.95 },
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{ text: "becomes", start: 6.95, end: 7.3 },
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{ text: "cinema.", start: 7.3, end: 7.7 },
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];
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var RAW_GROUPS = [
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[0, 3],
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[4, 7],
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[8, 8],
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[9, 12],
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[13, 15],
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[16, 16],
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[17, 19],
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[20, 22],
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[23, 24],
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[25, 27],
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];
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var GROUPS = RAW_GROUPS.map(function (pair, gi) {
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var ws = pair[0],
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we = pair[1];
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var nextStart = gi + 1 < RAW_GROUPS.length ? WORDS[RAW_GROUPS[gi + 1][0]].start : 8.0;
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var gEnd = Math.min(WORDS[we].end + 0.5, nextStart - 0.05);
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return { wordStart: ws, wordEnd: we, start: WORDS[ws].start, end: gEnd };
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});
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var container = document.getElementById("hl-container");
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var tl = gsap.timeline({ paused: true });
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GROUPS.forEach(function (g, gi) {
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var groupWords = WORDS.slice(g.wordStart, g.wordEnd + 1);
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var grp = document.createElement("div");
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grp.className = "hl-group";
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grp.id = "hl-grp-" + gi;
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var groupText = groupWords
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.map(function (w) {
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return w.text.toUpperCase();
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})
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.join(" ");
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var computedSize = fitFontSize(groupText, 80, "800", "Montserrat", 1620);
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groupWords.forEach(function (w, i) {
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var wi = g.wordStart + i;
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var wordEl = document.createElement("span");
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wordEl.className = "hl-word";
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wordEl.id = "hl-w-" + wi;
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wordEl.style.fontSize = computedSize + "px";
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var bgEl = document.createElement("span");
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bgEl.className = "hl-word-bg";
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bgEl.id = "hl-bg-" + wi;
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var textEl = document.createElement("span");
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textEl.className = "hl-word-text";
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textEl.textContent = w.text.toUpperCase();
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wordEl.appendChild(bgEl);
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wordEl.appendChild(textEl);
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grp.appendChild(wordEl);
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});
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container.appendChild(grp);
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tl.set(grp, { visibility: "visible" }, g.start);
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tl.fromTo(
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grp,
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{ opacity: 0 },
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{ opacity: 1, duration: 0.12, ease: "power2.out" },
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g.start,
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);
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groupWords.forEach(function (w, i) {
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var wi = g.wordStart + i;
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var bgEl = document.getElementById("hl-bg-" + wi);
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var wordEl = document.getElementById("hl-w-" + wi);
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tl.to(bgEl, { opacity: 1, scaleX: 1, duration: 0.15, ease: "power2.out" }, w.start);
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tl.to(
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wordEl,
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{ filter: "brightness(1.05)", duration: 0.08, ease: "power2.out" },
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w.start,
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);
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tl.to(
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wordEl,
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{ filter: "brightness(1)", duration: 0.16, ease: "power2.out" },
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w.start + 0.08,
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);
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tl.to(bgEl, { opacity: 0, scaleX: 1.02, duration: 0.1, ease: "power2.in" }, w.end);
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tl.set(bgEl, { scaleX: 0 }, w.end + 0.1);
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});
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tl.to(grp, { opacity: 0, duration: 0.1, ease: "power2.in" }, g.end - 0.1);
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tl.set(grp, { opacity: 0, visibility: "hidden" }, g.end);
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});
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tl.seek(0);
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window.__timelines["caption-highlight"] = tl;
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})();
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</script>
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</body>
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</html>
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```
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</Accordion>
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## Usage
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Open `compositions/components/caption-highlight.html` and paste its contents into your composition. See the comment header in the file for detailed instructions.
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{/* hf:generated-footer */}
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Tagged `captions` `caption-style` `highlight` `social` `tiktok`.
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## Related topics
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- [Browse the complete Catalog](/catalog)
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- [Add assets and Catalog items in Studio](/studio/assets-and-blocks)
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- [Build a richer composition](/go-further)
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