/
shimmer.tsx
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/
shimmer.tsx
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import Image from 'next/image'
import ViewSource from '../components/view-source'
const shimmer = (w: number, h: number) => `
<svg width="${w}" height="${h}" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs>
<linearGradient id="g">
<stop stop-color="#333" offset="20%" />
<stop stop-color="#222" offset="50%" />
<stop stop-color="#333" offset="70%" />
</linearGradient>
</defs>
<rect width="${w}" height="${h}" fill="#333" />
<rect id="r" width="${w}" height="${h}" fill="url(#g)" />
<animate xlink:href="#r" attributeName="x" from="-${w}" to="${w}" dur="1s" repeatCount="indefinite" />
</svg>`
const toBase64 = (str: string) =>
typeof window === 'undefined'
? Buffer.from(str).toString('base64')
: window.btoa(str)
const Shimmer = () => (
<div>
<ViewSource pathname="pages/shimmer.tsx" />
<h1>Image Component With Shimmer Data URL</h1>
<Image
alt="Mountains"
src="/mountains.jpg"
placeholder={`data:image/svg+xml;base64,${toBase64(shimmer(700, 475))}`}
width={700}
height={475}
style={{
maxWidth: '100%',
height: 'auto',
}}
/>
</div>
)
export default Shimmer