feat(react): add thumbnail component

[mihar-22]

Ref: #501
Stacked on: #643

Summary

<Thumbnail> React component.

@videojs/react

<Thumbnail>

Props	time?: number, className, style, render (via UIComponentProps)
Renders	<div> (overflow hidden) + <img>
Sizing	max-width / max-height via style prop or CSS → auto-scales proportionally
Data attrs	data-loading, data-error, data-hidden
Ref	ForwardedRef<HTMLDivElement>

<Thumbnail time={hoverTime} style={{ maxWidth: 200, maxHeight: 150 }} />

Namespace

Thumbnail.Props  // ThumbnailProps
Thumbnail.State  // ThumbnailCore.State

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
vjs-10-demo-react	Ignored	Preview	Feb 28, 2026 0:46am

[sampotts]

nit:

const Thumbnail = forwardRef<HTMLDivElement, ThumbnailProps>(
  function Thumbnail(props, ref) {
    // ...
  }
);

The above is the pattern I've always been exposed to but here's ChatGPTs explanation on why:

Pros
• Best inference + best consumer type: you reliably get ref correctly typed when someone uses .
• Cleaner function signature (no repeated type noise).
• Usually the least-friction with JSX + IDE help.

Cons
• Slightly less “local” explicitness (types are up at the callsite, not on params).

[mihar-22]

Thanks for catching that! Missed it. Fixing...

[mihar-22]

ye this is awkward, claude not performing today

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📦 Bundle Size Report

Package	Size	Diff		%
@videojs/core	8.21 kB	0 B	░░░░░░░░	0%	✅
@videojs/element	1.60 kB	0 B	░░░░░░░░	0%	✅
@videojs/html	10.60 kB	0 B	░░░░░░░░	0%	✅
@videojs/icons	3.79 kB	0 B	░░░░░░░░	0%	✅
@videojs/react	10.36 kB	+681 B	████████	+6.9%	🔺
@videojs/store	1.94 kB	0 B	░░░░░░░░	0%	✅
@videojs/utils	2.54 kB	0 B	░░░░░░░░	0%	✅

Total: 39.05 kB · +681 B · +1.7%

---

Entry Breakdown

Subpath sizes are the additional bytes on top of the root entry point, measured by bundling root + subpath together and subtracting the root-only size.

@videojs/core

Entry	Base	PR	Diff	%
.	3.86 kB	3.86 kB	0 B	0%	✅
./dom	4.36 kB	4.36 kB	0 B	0%	✅
total	8.21 kB	8.21 kB	0 B	0%

@videojs/element

Entry	Base	PR	Diff	%
.	817 B	817 B	0 B	0%	✅
./context	823 B	823 B	0 B	0%	✅
total	1.60 kB	1.60 kB	0 B	0%

@videojs/icons

Entry	Base	PR	Diff	%
./react	2.27 kB	2.27 kB	0 B	0%	✅
./html	1.52 kB	1.52 kB	0 B	0%	✅
total	3.79 kB	3.79 kB	0 B	0%

@videojs/store

Entry	Base	PR	Diff	%
.	1.29 kB	1.29 kB	0 B	0%	✅
./html	468 B	468 B	0 B	0%	✅
./react	199 B	199 B	0 B	0%	✅
total	1.94 kB	1.94 kB	0 B	0%

@videojs/utils

Entry	Base	PR	Diff	%
./array	104 B	104 B	0 B	0%	✅
./dom	760 B	760 B	0 B	0%	✅
./events	227 B	227 B	0 B	0%	✅
./function	197 B	197 B	0 B	0%	✅
./object	119 B	119 B	0 B	0%	✅
./predicate	265 B	265 B	0 B	0%	✅
./string	110 B	110 B	0 B	0%	✅
./style	185 B	185 B	0 B	0%	✅
./time	478 B	478 B	0 B	0%	✅
./number	158 B	158 B	0 B	0%	✅
total	2.54 kB	2.54 kB	0 B	0%

---

ℹ️ How to interpret

Sizes are minified + brotli, measured with esbuild.
Package totals are computed as root size + marginal subpath costs.
Subpath marginal cost = (root + subpath bundled together) − root alone.

Icon	Meaning
✅	No change
🔺	Increased ≤ 10%
🔴	Increased > 10%
🔽	Decreased
🆕	New (no baseline)

Run pnpm size locally to check current sizes.