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use shorthash for data url image to prevent ENAMETOOLONG (#12108)

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* use shorthash for filename of data url images

* add changeset

* add fixture to test processing of data url images

* run format

* update changeset

* fix test

* Update .changeset/dull-worms-own.md

---------

Co-authored-by: Emanuele Stoppa <my.burning@gmail.com>
This commit is contained in:
lam eu ler 2024-10-03 17:54:01 +08:00 committed by GitHub
parent fdba5f344f
commit 918953bd09
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6 changed files with 94 additions and 1 deletions
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5
.changeset/dull-worms-own.md Normal file
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@ -0,0 +1,5 @@
---
'astro': patch
---
Fixes a bug where [data URL images](https://developer.mozilla.org/en-US/docs/Web/URI/Schemes/data) were not correctly handled. The bug resulted in an `ENAMETOOLONG` error.

4
packages/astro/src/assets/utils/transformToPath.ts
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@ -8,7 +8,11 @@ import { isESMImportedImage } from './imageKind.js';
export function propsToFilename(filePath: string, transform: ImageTransform, hash: string) {
let filename = decodeURIComponent(removeQueryString(filePath));
const ext = extname(filename);
if (filePath.startsWith('data:')) {
filename = shorthash(filePath);
} else {
filename = basename(filename, ext);
}
const prefixDirname = isESMImportedImage(transform.src) ? dirname(filePath) : '';
let outputExt = transform.format ? `.${transform.format}` : ext;

53
packages/astro/test/core-image.test.js
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@ -1263,4 +1263,57 @@ describe('astro:image', () => {
assert.equal(imgData instanceof Buffer, true);
});
});
describe('build data url', () => {
before(async () => {
fixture = await loadFixture({
root: './fixtures/core-image-data-url/',
image: {
remotePatterns: [
{
protocol: 'data',
},
],
},
});
await fixture.build();
});
it('uses short hash for data url filename', async () => {
const html = await fixture.readFile('/index.html');
const $ = cheerio.load(html);
const src1 = $('#data-url img').attr('src');
assert.equal(basename(src1).length < 32, true);
const src2 = $('#data-url-no-size img').attr('src');
assert.equal(basename(src2).length < 32, true);
assert.equal(src1.split('_')[0], src2.split('_')[0]);
});
it('adds file extension for data url images', async () => {
const html = await fixture.readFile('/index.html');
const $ = cheerio.load(html);
const src = $('#data-url img').attr('src');
assert.equal(src.endsWith('.webp'), true);
});
it('writes data url images to dist', async () => {
const html = await fixture.readFile('/index.html');
const $ = cheerio.load(html);
const src = $('#data-url img').attr('src');
assert.equal(src.length > 0, true);
const data = await fixture.readFile(src, null);
assert.equal(data instanceof Buffer, true);
});
it('infers size of data url images', async () => {
const html = await fixture.readFile('/index.html');
const $ = cheerio.load(html);
const img = $('#data-url-no-size img');
const width = img.attr('width');
const height = img.attr('height');
assert.equal(width, '256');
assert.equal(height, '144');
});
});
});

8
packages/astro/test/fixtures/core-image-data-url/package.json vendored Normal file
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@ -0,0 +1,8 @@
{
"name": "@test/core-image-data-url",
"version": "0.0.0",
"private": true,
"dependencies": {
"astro": "workspace:*"
}
}

17
packages/astro/test/fixtures/core-image-data-url/src/pages/index.astro vendored Normal file
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@ -0,0 +1,17 @@
---
import { Image } from 'astro:assets';
const data = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQAAAACQCAQAAABNan0aAAAABGdBTUEAALGPC/xhBQAAACBjSFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAAmJLR0QAAKqNIzIAAAAJcEhZcwAACxMAAAsTAQCanBgAAAAHdElNRQflBAsNKgIhYT8HAAAAXklEQVR42u3BMQEAAADCoPVPbQlPoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA4G8gnwABm4i4EAAAACV0RVh0ZGF0ZTpjcmVhdGUAMjAyMS0wNC0xMVQxMzo0MjowMiswMDowMNhkaiwAAAAldEVYdGRhdGU6bW9kaWZ5ADIwMjEtMDQtMTFUMTM6NDI6MDIrMDA6MDCpOdKQAAAAAElFTkSuQmCC"
---
<html>
<head>
</head>
<body>
<div id="data-url">
<Image src={data} alt="transparent" width="128" height="72" />
</div>
<div id="data-url-no-size">
<Image src={data} inferSize={true} alt="transparent" />
</div>
</body>
</html>

6
pnpm-lock.yaml
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@ -2813,6 +2813,12 @@ importers:
specifier: workspace:*
version: link:../../..
packages/astro/test/fixtures/core-image-data-url:
dependencies:
astro:
specifier: workspace:*
version: link:../../..
packages/astro/test/fixtures/core-image-deletion:
dependencies:
'@astrojs/markdoc':