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