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use shorthash for data url image to prevent ENAMETOOLONG (#12108)
* 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>
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5
.changeset/dull-worms-own.md
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5
.changeset/dull-worms-own.md
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@ -0,0 +1,5 @@
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---
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'astro': patch
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---
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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.
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@ -8,7 +8,11 @@ import { isESMImportedImage } from './imageKind.js';
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export function propsToFilename(filePath: string, transform: ImageTransform, hash: string) {
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let filename = decodeURIComponent(removeQueryString(filePath));
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const ext = extname(filename);
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filename = basename(filename, ext);
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if (filePath.startsWith('data:')) {
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filename = shorthash(filePath);
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} else {
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filename = basename(filename, ext);
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}
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const prefixDirname = isESMImportedImage(transform.src) ? dirname(filePath) : '';
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let outputExt = transform.format ? `.${transform.format}` : ext;
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@ -1263,4 +1263,57 @@ describe('astro:image', () => {
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assert.equal(imgData instanceof Buffer, true);
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});
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});
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describe('build data url', () => {
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before(async () => {
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fixture = await loadFixture({
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root: './fixtures/core-image-data-url/',
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image: {
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remotePatterns: [
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{
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protocol: 'data',
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},
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],
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},
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});
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await fixture.build();
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});
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it('uses short hash for data url filename', async () => {
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const html = await fixture.readFile('/index.html');
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const $ = cheerio.load(html);
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const src1 = $('#data-url img').attr('src');
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assert.equal(basename(src1).length < 32, true);
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const src2 = $('#data-url-no-size img').attr('src');
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assert.equal(basename(src2).length < 32, true);
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assert.equal(src1.split('_')[0], src2.split('_')[0]);
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});
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it('adds file extension for data url images', async () => {
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const html = await fixture.readFile('/index.html');
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const $ = cheerio.load(html);
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const src = $('#data-url img').attr('src');
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assert.equal(src.endsWith('.webp'), true);
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});
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it('writes data url images to dist', async () => {
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const html = await fixture.readFile('/index.html');
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const $ = cheerio.load(html);
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const src = $('#data-url img').attr('src');
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assert.equal(src.length > 0, true);
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const data = await fixture.readFile(src, null);
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assert.equal(data instanceof Buffer, true);
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});
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it('infers size of data url images', async () => {
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const html = await fixture.readFile('/index.html');
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const $ = cheerio.load(html);
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const img = $('#data-url-no-size img');
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const width = img.attr('width');
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const height = img.attr('height');
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assert.equal(width, '256');
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assert.equal(height, '144');
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});
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});
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});
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8
packages/astro/test/fixtures/core-image-data-url/package.json
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packages/astro/test/fixtures/core-image-data-url/package.json
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{
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"name": "@test/core-image-data-url",
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"version": "0.0.0",
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"private": true,
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"dependencies": {
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"astro": "workspace:*"
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}
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}
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17
packages/astro/test/fixtures/core-image-data-url/src/pages/index.astro
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packages/astro/test/fixtures/core-image-data-url/src/pages/index.astro
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---
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import { Image } from 'astro:assets';
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const data = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQAAAACQCAQAAABNan0aAAAABGdBTUEAALGPC/xhBQAAACBjSFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAAmJLR0QAAKqNIzIAAAAJcEhZcwAACxMAAAsTAQCanBgAAAAHdElNRQflBAsNKgIhYT8HAAAAXklEQVR42u3BMQEAAADCoPVPbQlPoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA4G8gnwABm4i4EAAAACV0RVh0ZGF0ZTpjcmVhdGUAMjAyMS0wNC0xMVQxMzo0MjowMiswMDowMNhkaiwAAAAldEVYdGRhdGU6bW9kaWZ5ADIwMjEtMDQtMTFUMTM6NDI6MDIrMDA6MDCpOdKQAAAAAElFTkSuQmCC"
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---
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<html>
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<head>
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</head>
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<body>
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<div id="data-url">
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<Image src={data} alt="transparent" width="128" height="72" />
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</div>
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<div id="data-url-no-size">
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<Image src={data} inferSize={true} alt="transparent" />
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</div>
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</body>
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</html>
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@ -2813,6 +2813,12 @@ importers:
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specifier: workspace:*
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version: link:../../..
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packages/astro/test/fixtures/core-image-data-url:
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dependencies:
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astro:
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specifier: workspace:*
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version: link:../../..
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packages/astro/test/fixtures/core-image-deletion:
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dependencies:
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'@astrojs/markdoc':
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