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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>
286 lines
9.0 KiB
Plaintext
286 lines
9.0 KiB
Plaintext
---
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title: "Vertical Media Filler"
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description: "Portrait media filling a widescreen frame via blurred-scale, mirror, or copy side fills; grid texture and foreground contrast lift (images inside the block; keep live footage in the host)"
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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 yt-vertical-fill" item="yt-vertical-fill" />
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That writes one file: `compositions/yt-vertical-fill.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="yt-vertical-fill 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/yt-vertical-fill.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/yt-vertical-fill.png");document.body.appendChild(p)});<\/script></body></html>`}
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/>
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## Add it to your video
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It runs for 8 seconds at 1920×1080. Paste this into your composition:
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```html index.html
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<div
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data-composition-id="yt-vertical-fill"
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data-composition-src="compositions/yt-vertical-fill.html"
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data-start="0"
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data-duration="8"
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data-track-index="1"
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data-width="1920"
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data-height="1080"
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></div>
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```
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Move it in time with `data-start`. Put it on a different timeline row with
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`data-track-index`. See [data attributes](/concepts/data-attributes) for the rest.
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## Source
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<Accordion title="yt-vertical-fill.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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<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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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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background: transparent;
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overflow: hidden;
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}
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#yt-vf-root {
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/* ---- yt tokens ---- */
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--yt-font: "Inter", -apple-system, sans-serif;
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--yt-grid-size: 28px;
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--yt-grid-alpha: 0.05;
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--yt-stage: #101012;
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--yt-scrim: rgba(8, 8, 10, 0.28);
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--yt-cyan: #35c8d9;
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--yt-prism-b: #2a7fff;
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--yt-violet: #7d5cff;
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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: var(--yt-stage);
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font-family: var(--yt-font);
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}
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.yt-vf-media {
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position: absolute;
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overflow: hidden;
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}
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.yt-vf-media img,
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.yt-vf-media .yt-vf-fill {
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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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#yt-vf-bg {
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inset: -60px;
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filter: blur(42px) brightness(0.75);
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}
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.yt-vf-side {
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top: 0;
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bottom: 0;
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width: 656px;
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}
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#yt-vf-scrim {
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position: absolute;
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inset: 0;
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background: var(--yt-scrim);
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}
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#yt-vf-grid {
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position: absolute;
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inset: 0;
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background:
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repeating-linear-gradient(
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0deg,
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rgba(255, 255, 255, var(--yt-grid-alpha)) 0 1px,
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transparent 1px var(--yt-grid-size)
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),
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repeating-linear-gradient(
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90deg,
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rgba(255, 255, 255, var(--yt-grid-alpha)) 0 1px,
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transparent 1px var(--yt-grid-size)
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);
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}
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#yt-vf-fg {
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top: 0;
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bottom: 0;
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left: 656px;
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width: 608px;
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box-shadow: 0 0 90px rgba(0, 0, 0, 0.55);
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}
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/* stand-in portrait when no media is configured (self-demo) */
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.yt-vf-fill {
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display: flex;
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align-items: center;
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justify-content: center;
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font-weight: 700;
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font-size: 120px;
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color: rgba(255, 255, 255, 0.9);
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background: linear-gradient(
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160deg,
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var(--yt-cyan) 0%,
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var(--yt-prism-b) 50%,
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var(--yt-violet) 100%
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);
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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="yt-vf-root"
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data-composition-id="yt-vertical-fill"
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data-start="0"
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data-duration="8"
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data-width="1920"
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data-height="1080"
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>
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<div class="yt-vf-media" id="yt-vf-bg" data-layout-allow-overflow></div>
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<div class="yt-vf-media yt-vf-side" id="yt-vf-side-l" style="left: 0"></div>
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<div class="yt-vf-media yt-vf-side" id="yt-vf-side-r" style="right: 0"></div>
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<div id="yt-vf-scrim"></div>
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<div id="yt-vf-grid"></div>
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<div class="yt-vf-media" id="yt-vf-fg"></div>
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<div
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id="yt-vf-drv"
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class="clip"
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data-start="0"
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data-duration="8"
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data-track-index="0"
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style="position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none"
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></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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/* ---- published parameters ----
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Vertical media filling a 16:9 frame — three fill modes:
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mode "scale" (big blurred copy behind), "mirror" (flanking
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mirrored copies), "copy" (flanking straight copies).
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IMAGES ONLY inside this block: the runtime never seeks media
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elements inside a sub-composition (renders black). For live
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vertical FOOTAGE, keep the media element in the HOST root
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positioned over the fg slot (left:656px width:608px) and feed
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this block a representative still for the fill layers. */
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var CONFIG = {
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src: null, // portrait IMAGE path; null -> stand-in gradient (demo)
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mode: "scale", // "scale" | "mirror" | "copy"
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fgContrast: 1.06,
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fgBrightness: 1.03,
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fgSaturation: 1.08,
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grid: { enabled: true },
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kenBurns: true,
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animationIn: true,
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animationOut: true,
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};
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var DUR = 8;
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function clamp(v, lo, hi) {
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return Math.min(hi, Math.max(lo, v));
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}
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var IN = clamp(DUR * 0.08, 0.3, 0.8);
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var OUT = clamp(DUR * 0.06, 0.25, 0.6);
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var root = document.getElementById("yt-vf-root");
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var bg = document.getElementById("yt-vf-bg");
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var sideL = document.getElementById("yt-vf-side-l");
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var sideR = document.getElementById("yt-vf-side-r");
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var fg = document.getElementById("yt-vf-fg");
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var grid = document.getElementById("yt-vf-grid");
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if (!CONFIG.grid.enabled) grid.style.display = "none";
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function media(id) {
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if (!CONFIG.src) {
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var d = document.createElement("div");
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d.className = "yt-vf-fill";
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d.textContent = "9:16";
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return d;
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}
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var img = document.createElement("img");
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img.src = CONFIG.src;
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img.id = id;
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return img;
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}
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fg.appendChild(media("yt-vf-m-fg"));
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fg.style.filter =
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"contrast(" +
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CONFIG.fgContrast +
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") brightness(" +
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CONFIG.fgBrightness +
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") saturate(" +
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CONFIG.fgSaturation +
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")";
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if (CONFIG.mode === "scale") {
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bg.appendChild(media("yt-vf-m-bg"));
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sideL.style.display = "none";
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sideR.style.display = "none";
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} else {
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bg.style.display = "none";
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sideL.appendChild(media("yt-vf-m-l"));
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sideR.appendChild(media("yt-vf-m-r"));
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if (CONFIG.mode === "mirror") {
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sideL.firstChild.style.transform = "scaleX(-1)";
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sideR.firstChild.style.transform = "scaleX(-1)";
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}
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sideL.style.filter = "blur(6px) brightness(0.72)";
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sideR.style.filter = "blur(6px) brightness(0.72)";
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}
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var tl = gsap.timeline({ paused: true });
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if (CONFIG.animationIn) {
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tl.from(root, { opacity: 0, duration: IN, ease: "power2.out" }, 0);
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gsap.set(fg, { y: 34, opacity: 0 });
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tl.to(fg, { y: 0, opacity: 1, duration: IN * 1.6, ease: "power3.out" }, IN * 0.5);
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}
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if (CONFIG.kenBurns) {
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tl.fromTo(
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fg.firstChild,
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{ scale: 1.05 },
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{ scale: 1, duration: DUR - 1, ease: "sine.out" },
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0.4,
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);
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}
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if (CONFIG.animationOut) {
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tl.to(root, { opacity: 0, duration: OUT, ease: "power2.in" }, DUR - OUT - 0.05);
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}
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tl.set(root, { visibility: "hidden" }, DUR - 0.02);
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window.__timelines["yt-vertical-fill"] = 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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{/* hf:generated-footer */}
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Tagged `placeholder` `vertical` `media`.
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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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