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hyperframes/docs/catalog/components/caption-emoji-pop.mdx
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Miguel Ángel d7688f9943 fix(docs): load the player from latest, not a pinned minor (#3320) 
* fix(docs): load the player from latest, not a pinned minor

The catalog pages pinned the player CDN URL to a minor line, and that pin
sat one line behind after the last release. Every page kept rendering, on
the older build, so nothing surfaced it: the only symptom was that a fix
published to npm never appeared on the docs.

The generator derived its pin from the player's package.json, which is
correct only if every page is regenerated on the release that moves it.
That is the step that did not happen, and it has to happen across 175
generated pages plus three hand-written files for the pin to be true.

A version carried in step across 178 places will be stale, and stale here
is silent. Ask for latest instead and there is nothing to carry.

This costs the ability to hold the docs back from a bad player release.
Paid deliberately: the pin did not buy that either, it only delayed the
good releases too.

A test asserts no pinned version comes back, and fails if it stops finding
the references at all, so it cannot pass by matching nothing.

* refactor(scripts): list tracked files instead of walking the tree

The pin guard hand-rolled a recursive directory walk with its own skip
list and size cap, which the audit flagged: helpers living in a test file
earn no coverage, so their complexity lands straight on the CRAP score.

git already knows which files to read, and ignores node_modules and build
output for us, so one call replaces the walker and both findings go away.
2026-08-17 21:11:12 -04:00

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---
title: "Emoji Pop"
description: "Emoji integration with stroked text and horizontal squeeze entrance"
---
import { InstallCommand } from "/snippets/install-command.jsx";
<iframe
className="w-full aspect-video rounded-xl border-0 bg-zinc-100 dark:bg-zinc-800"
title="caption-emoji-pop preview"
loading="lazy"
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-emoji-pop.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-emoji-pop.png");document.body.appendChild(p)});<\/script></body></html>`}
/>
## Install
<InstallCommand command="npx hyperframes add caption-emoji-pop" item="caption-emoji-pop" />
That writes one file: `compositions/components/caption-emoji-pop.html`.
## Source
<Accordion title={`caption-emoji-pop.html`}>
```html
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=1920, height=1080" />
<title>Emoji Pop</title>
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Gabarito:wght@900&display=swap"
rel="stylesheet"
/>
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<style>
*,
*::before,
*::after {
box-sizing: border-box;
}
html,
body {
width: 1920px;
height: 1080px;
margin: 0;
overflow: hidden;
background: transparent;
font-family: "Gabarito", Arial, sans-serif;
}
#emoji-pop {
pointer-events: none;
position: relative;
width: 1920px;
height: 1080px;
overflow: hidden;
background: transparent;
}
.caption-layer {
position: absolute;
inset: 0;
z-index: 20;
pointer-events: none;
transform: translateZ(0);
}
.safe-zone {
position: absolute;
bottom: 80px;
left: 50%;
transform: translateX(-50%);
width: 1400px;
height: 280px;
display: flex;
align-items: center;
justify-content: center;
}
.caption-group {
position: absolute;
left: 0;
top: 0;
width: 1400px;
height: 280px;
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
transform-origin: 50% 50%;
will-change: transform;
backface-visibility: hidden;
}
.caption-emoji {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, calc(-50% - 70px));
font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
font-size: 56px;
line-height: 1;
text-align: center;
}
.caption-line {
display: flex;
align-items: center;
justify-content: center;
gap: 14px;
width: max-content;
max-width: 1400px;
line-height: 1.1;
white-space: nowrap;
}
.caption-word {
display: inline-block;
color: #ffffff;
font-family: "Gabarito", Arial, sans-serif;
font-weight: 900;
font-size: 72px;
line-height: 1.1;
letter-spacing: -0.03em;
text-transform: uppercase;
-webkit-text-stroke: 3px #000000;
paint-order: stroke fill;
}
</style>
</head>
<body>
<div
id="emoji-pop"
data-composition-id="caption-emoji-pop"
data-timeline-locked
data-start="0"
data-duration="8"
data-fps="30"
data-width="1920"
data-height="1080"
>
<div class="caption-layer" aria-hidden="true">
<div id="caption-stage" class="safe-zone"></div>
</div>
</div>
<script>
var DURATION = 8;
var SAFE_ZONE_WIDTH = 1400;
var CAPTION_FONT_SIZE = 72;
var MAX_WORDS_PER_GROUP = 3;
var WORD_SPACING = 14;
var PAUSE_THRESHOLD = 0.1;
var ENTRY_FRAMES = 4;
var EXIT_FRAMES = 3;
var FPS = 30;
var ENTRY_DURATION = ENTRY_FRAMES / FPS;
var EXIT_DURATION = EXIT_FRAMES / FPS;
var FONT_WIDTH_SAFETY = 1.14;
var PRIMARY_COLOR = "#FFFFFF";
var ACCENT_COLORS = ["#FF76FF", "#FF0002", "#B2F7FF"];
var KEYWORDS = new Set(["hyperframes", "html", "professional", "code", "cinema"]);
var TRANSITION_WORDS = new Set([
"the",
"a",
"an",
"and",
"or",
"but",
"is",
"are",
"was",
"were",
"to",
"of",
"in",
"on",
"at",
"for",
"with",
"by",
"from",
"as",
"it",
"its",
"this",
"that",
"these",
"those",
"be",
"been",
"have",
"has",
"had",
"do",
"does",
"did",
"will",
"would",
"could",
"should",
"may",
"might",
"must",
"can",
"if",
"then",
"so",
"just",
"not",
"no",
"yes",
"up",
"out",
"about",
]);
// Emoji map for key words
var WORD_EMOJI = {
hyperframes: "🎬",
html: "💻",
professional: "✨",
code: "⌨️",
cinema: "🎥",
video: "📹",
frame: "🖼️",
};
var TRANSCRIPT = [
{ text: "Every", start: 0.0, end: 0.3 },
{ text: "great", start: 0.3, end: 0.55 },
{ text: "video", start: 0.55, end: 0.85 },
{ text: "starts", start: 0.85, end: 1.1 },
{ text: "with", start: 1.1, end: 1.25 },
{ text: "a", start: 1.25, end: 1.35 },
{ text: "single", start: 1.35, end: 1.65 },
{ text: "frame.", start: 1.65, end: 2.0 },
{ text: "HyperFrames", start: 2.1, end: 2.65 },
{ text: "lets", start: 2.65, end: 2.85 },
{ text: "you", start: 2.85, end: 2.95 },
{ text: "write", start: 2.95, end: 3.15 },
{ text: "HTML", start: 3.15, end: 3.55 },
{ text: "and", start: 3.55, end: 3.65 },
{ text: "render", start: 3.65, end: 3.95 },
{ text: "professional", start: 3.95, end: 4.45 },
{ text: "video.", start: 4.45, end: 4.8 },
{ text: "No", start: 4.9, end: 5.05 },
{ text: "timeline.", start: 5.05, end: 5.45 },
{ text: "No", start: 5.5, end: 5.65 },
{ text: "drag", start: 5.65, end: 5.85 },
{ text: "and", start: 5.85, end: 5.95 },
{ text: "drop.", start: 5.95, end: 6.25 },
{ text: "Just", start: 6.35, end: 6.55 },
{ text: "code", start: 6.55, end: 6.8 },
{ text: "that", start: 6.8, end: 6.95 },
{ text: "becomes", start: 6.95, end: 7.3 },
{ text: "cinema.", start: 7.3, end: 7.7 },
];
function normalizeWords(rawWords) {
return rawWords
.map(function (item) {
var text = String(item.word || item.text || "").trim();
var clean = text.toLowerCase().replace(/[^a-z]/g, "");
return {
text: text,
start: Math.max(0, Number(item.start) || 0),
end: Math.min(DURATION, Math.max(Number(item.start) || 0, Number(item.end) || 0)),
emoji: WORD_EMOJI[clean] || null,
};
})
.filter(function (word) {
return word.text.length > 0;
});
}
function seededRandom(seed) {
var x = Math.sin(seed * 9999) * 10000;
return x - Math.floor(x);
}
function assignWordColors(words, groupIndex) {
return words.map(function (word, index) {
var clean = word.text.toLowerCase().replace(/[^a-z]/g, "");
if (KEYWORDS.has(clean)) {
var ci = Math.floor(seededRandom(groupIndex * 23 + index * 31) * ACCENT_COLORS.length);
return ACCENT_COLORS[ci];
}
if (TRANSITION_WORDS.has(clean)) return PRIMARY_COLOR;
var rand = seededRandom(groupIndex * 13 + index);
if (rand > 0.55) {
var ci2 = Math.floor(rand * ACCENT_COLORS.length) % ACCENT_COLORS.length;
return ACCENT_COLORS[ci2];
}
return PRIMARY_COLOR;
});
}
var _fitCanvas = document.createElement("canvas");
var _fitCtx = _fitCanvas.getContext("2d");
function fitFontSize(text, baseFontSize, fontWeight, fontFamily, maxWidth) {
var size = baseFontSize;
var minSize = Math.floor(baseFontSize * 0.45);
while (size > minSize) {
_fitCtx.font = fontWeight + " " + size + "px " + fontFamily;
if (_fitCtx.measureText(text).width <= maxWidth) return size;
size -= 2;
}
return minSize;
}
var measureCanvas = document.createElement("canvas");
var measureContext = measureCanvas.getContext("2d");
function measureWord(word, fontSize) {
measureContext.font = "900 " + fontSize + "px Gabarito";
return measureContext.measureText(word.text.toUpperCase()).width * FONT_WIDTH_SAFETY;
}
function measureLineWidth(words, fontSize) {
return words.reduce(function (total, word, index) {
return total + measureWord(word, fontSize) + (index ? WORD_SPACING : 0);
}, 0);
}
function fitsLine(words) {
return measureLineWidth(words, CAPTION_FONT_SIZE) <= SAFE_ZONE_WIDTH;
}
function makeGroups(words) {
var groups = [];
var current = [];
words.forEach(function (word, index) {
var nextWord = words[index + 1];
var testGroup = current.concat([word]);
if (testGroup.length > MAX_WORDS_PER_GROUP || !fitsLine(testGroup)) {
if (current.length) groups.push(makeGroup(current, groups.length));
current = [word];
return;
}
current.push(word);
var punctuation = /[,.:!?]$/.test(word.text);
var pause = nextWord ? nextWord.start - word.end : 0;
if (
!nextWord ||
punctuation ||
pause >= PAUSE_THRESHOLD ||
current.length >= MAX_WORDS_PER_GROUP
) {
groups.push(makeGroup(current, groups.length));
current = [];
}
});
if (current.length) groups.push(makeGroup(current, groups.length));
return groups;
}
function makeGroup(words, groupIndex) {
var colors = assignWordColors(words, groupIndex);
var emoji = null;
for (var i = 0; i < words.length; i++) {
if (words[i].emoji) {
emoji = words[i].emoji;
break;
}
}
return {
words: words.slice(),
colors: colors,
emoji: emoji,
start: words[0].start,
end: words[words.length - 1].end,
};
}
function shadowForColor(color) {
var hex = color.replace("#", "");
var r = parseInt(hex.slice(0, 2), 16);
var g = parseInt(hex.slice(2, 4), 16);
var b = parseInt(hex.slice(4, 6), 16);
return (
"0 4px 8px rgba(0,0,0,0.7), 0 0 2px rgba(" +
r +
"," +
g +
"," +
b +
",1), 0 0 8px rgba(" +
r +
"," +
g +
"," +
b +
",0.6)"
);
}
function buildCaptions(groups) {
var stage = document.getElementById("caption-stage");
groups.forEach(function (group, groupIndex) {
var groupText = group.words
.map(function (w) {
return w.text.toUpperCase();
})
.join(" ");
var computedSize = fitFontSize(
groupText,
CAPTION_FONT_SIZE,
"900",
"Gabarito",
SAFE_ZONE_WIDTH,
);
var groupEl = document.createElement("div");
groupEl.id = "caption-group-" + groupIndex;
groupEl.className = "caption-group";
if (group.emoji) {
var emojiEl = document.createElement("div");
emojiEl.className = "caption-emoji";
emojiEl.textContent = group.emoji;
groupEl.appendChild(emojiEl);
}
var lineEl = document.createElement("div");
lineEl.className = "caption-line";
group.words.forEach(function (word, wordIndex) {
var color = group.colors[wordIndex] || PRIMARY_COLOR;
var wordEl = document.createElement("span");
wordEl.className = "caption-word";
wordEl.textContent = word.text.toUpperCase();
wordEl.style.color = color;
wordEl.style.fontSize = computedSize + "px";
wordEl.style.textShadow = shadowForColor(color);
lineEl.appendChild(wordEl);
});
groupEl.appendChild(lineEl);
stage.appendChild(groupEl);
});
}
var WORDS = normalizeWords(TRANSCRIPT);
var GROUPS = makeGroups(WORDS);
buildCaptions(GROUPS);
window.__timelines = window.__timelines || {};
var tl = gsap.timeline({ paused: true });
var visibleStarts = GROUPS.map(function (group, groupIndex) {
var prev = GROUPS[groupIndex - 1];
var availableGap = prev ? Math.max(0, group.start - prev.end) : ENTRY_DURATION;
var entryLead = Math.min(ENTRY_DURATION, availableGap);
return Math.max(0, group.start - entryLead);
});
var allGroupEls = GROUPS.map(function (_, i) {
return document.getElementById("caption-group-" + i);
});
GROUPS.forEach(function (group, groupIndex) {
var groupEl = allGroupEls[groupIndex];
var visibleStart = visibleStarts[groupIndex];
var visibleEnd = groupIndex < GROUPS.length - 1 ? visibleStarts[groupIndex + 1] : DURATION;
var exitStart = Math.max(visibleStart, visibleEnd - EXIT_DURATION);
allGroupEls.forEach(function (otherEl, otherIndex) {
if (otherIndex !== groupIndex) tl.set(otherEl, { opacity: 0 }, visibleStart);
});
tl.set(groupEl, { opacity: 0, scaleX: 0.8, scaleY: 1 }, visibleStart);
tl.to(
groupEl,
{ opacity: 1, scaleX: 1, duration: ENTRY_DURATION, ease: "power3.out", force3D: true },
visibleStart,
);
tl.to(
groupEl,
{ scaleX: 0.75, opacity: 0.8, duration: EXIT_DURATION, ease: "power2.in", force3D: true },
exitStart,
);
tl.set(groupEl, { opacity: 0 }, visibleEnd);
});
window.__timelines["caption-emoji-pop"] = tl;
</script>
</body>
</html>
```
</Accordion>
## Usage
Open `compositions/components/caption-emoji-pop.html` and paste its contents into your composition. See the comment header in the file for detailed instructions.
{/* hf:generated-footer */}
Tagged `captions` `caption-style` `emoji` `social`.
## 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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