Files
e0ca2ba544 feat(image): DataURL placeholder support for <Image /> (#53442)
Adds support for base64-encoded `placeholder`. Enables using placeholders without the "blur" effect.

Fixes #47639
- [x] Add support for DataURL placeholder
- [x] Add tests
- [x] Update docs

Co-authored-by: Steven <[email protected]>
2023-08-11 23:45:20 +00:00

116 lines
4.2 KiB
JavaScript

import React from 'react'
import testImg from '../../public/foo/test-rect.jpg'
import Image from 'next/image'
import testJPG from '../../public/test.jpg'
import testPNG from '../../public/test.png'
import testWEBP from '../../public/test.webp'
import testAVIF from '../../public/test.avif'
import testSVG from '../../public/test.svg'
import testGIF from '../../public/test.gif'
import testBMP from '../../public/test.bmp'
import testICO from '../../public/test.ico'
import widePNG from '../../public/wide.png'
import tallPNG from '../../components/tall.png'
import superWidePNG from '../../public/super-wide.png'
import TallImage from '../../components/TallImage'
const blurDataURL =
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNM/s/wBwAFjwJgf8HDLgAAAABJRU5ErkJggg=='
const shimmer = `data:image/svg+xml;base64,Cjxzdmcgd2lkdGg9IjIwMCIgaGVpZ2h0PSIyMDAiIHZlcnNpb249IjEuMSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB4bWxuczp4bGluaz0iaHR0cDovL3d3dy53My5vcmcvMTk5OS94bGluayI+CiAgPGRlZnM+CiAgICA8bGluZWFyR3JhZGllbnQgaWQ9ImciPgogICAgICA8c3RvcCBzdG9wLWNvbG9yPSIjMzMzIiBvZmZzZXQ9IjIwJSIgLz4KICAgICAgPHN0b3Agc3RvcC1jb2xvcj0iIzIyMiIgb2Zmc2V0PSI1MCUiIC8+CiAgICAgIDxzdG9wIHN0b3AtY29sb3I9IiMzMzMiIG9mZnNldD0iNzAlIiAvPgogICAgPC9saW5lYXJHcmFkaWVudD4KICA8L2RlZnM+CiAgPHJlY3Qgd2lkdGg9IjIwMCIgaGVpZ2h0PSIyMDAiIGZpbGw9IiMzMzMiIC8+CiAgPHJlY3QgaWQ9InIiIHdpZHRoPSIyMDAiIGhlaWdodD0iMjAwIiBmaWxsPSJ1cmwoI2cpIiAvPgogIDxhbmltYXRlIHhsaW5rOmhyZWY9IiNyIiBhdHRyaWJ1dGVOYW1lPSJ4IiBmcm9tPSItMjAwIiB0bz0iMjAwIiBkdXI9IjFzIiByZXBlYXRDb3VudD0iaW5kZWZpbml0ZSIgIC8+Cjwvc3ZnPg==`
const Page = () => {
return (
<div>
<h1 id="page-header">Static Image</h1>
<Image id="basic-static" src={testImg} placeholder="blur" priority />
<TallImage />
<Image
id="defined-width-and-height"
src={testPNG}
height="150"
width="150"
/>
<Image id="defined-height-only" src={widePNG} height="350" />
<Image id="defined-width-only" src={widePNG} width="400" />
<Image
id="require-static"
src={require('../../public/foo/test-rect.jpg')}
/>
<Image
id="basic-non-static"
src="/test-rect.jpg"
width="400"
height="300"
/>
<br />
<Image id="blur-png" src={testPNG} placeholder="blur" />
<Image id="blur-jpg" src={testJPG} placeholder="blur" />
<Image id="blur-webp" src={testWEBP} placeholder="blur" />
<Image id="blur-avif" src={testAVIF} placeholder="blur" />
<Image id="blur-wide" src={widePNG} placeholder="blur" />
<Image id="blur-tall" src={tallPNG} placeholder="blur" />
<Image
id="blur-super-wide"
src={superWidePNG}
placeholder="blur"
width={72}
height={16}
/>
<Image
id="blur-super-tall"
src={superWidePNG}
placeholder="blur"
width={16}
height={72}
/>
<br />
<Image id="static-svg" src={testSVG} />
<Image id="static-gif" src={testGIF} />
<Image id="static-bmp" src={testBMP} />
<Image id="static-ico" src={testICO} />
<br />
<Image id="static-svg-fill" src={testSVG} fill />
<Image id="static-gif-fill" src={testGIF} fill />
<Image id="static-bmp-fill" src={testBMP} fill />
<Image id="static-ico-fill" src={testICO} fill />
<br />
<Image id="blur-png-fill" src={testPNG} placeholder="blur" fill />
<Image id="blur-jpg-fill" src={testJPG} placeholder="blur" fill />
<Image id="blur-webp-fill" src={testWEBP} placeholder="blur" fill />
<Image id="blur-avif-fill" src={testAVIF} placeholder="blur" fill />
<br />
<Image
id="blurdataurl-fill"
src="/test.jpg"
placeholder="blur"
blurDataURL={blurDataURL}
fill
/>
<Image
id="blurdataurl-ratio"
src="/test.png"
placeholder="blur"
blurDataURL={blurDataURL}
width="100"
height="200"
/>
<br />
<Image id="static-unoptimized" src={testJPG} unoptimized />
<br />
<Image
id="data-url-placeholder"
src={testImg}
placeholder={shimmer}
width="200"
height="200"
alt=""
/>
</div>
)
}
export default Page