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Image integration refactor and cleanup (#4482)
* WIP: simplifying the use of `fs` vs. the vite plugin * removing a few node deps (etag and node:path) * adding ts defs for sharp * using the same mime package as astro's core App * fixing file URL support in windows * using file URLs when loading local image metadata * fixing a bug in the etag helper * Windows compat * splitting out dev & build tests * why do these suites fail in parallel? * one last windows compat case * Adding tests for treating /public images the same as remote URLs * a couple fixes for Astro's `base` config * adding base path tests for SSR * fixing a bad merge, lost the kleur dependency * adding a test suite for images + MDX * chore: add changeset * simplifying the with-mdx tests * bugfix: don't duplicate the period when using existing file extensions * let Vite cache the image loader service * adding some docs for using /public images * fixing changeset * Update packages/integrations/image/README.md Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca> * Update packages/integrations/image/README.md Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca> * nit: minor README syntax tweaks Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| --- | ||
| '@astrojs/image': minor | ||
| --- | ||
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| `<Image />` and `<Picture />` now support using images in the `/public` directory :tada: | ||
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| - Moving handling of local image files into the Vite plugin | ||
| - Optimized image files are now built to `/dist` with hashes provided by Vite, removing the need for a `/dist/_image` directory | ||
| - Removes three npm dependencies: `etag`, `slash`, and `tiny-glob` | ||
| - Replaces `mrmime` with the `mime` package already used by Astro's SSR server | ||
| - Simplifies the injected `_image` route to work for both `dev` and `build` | ||
| - Adds a new test suite for using images with `@astrojs/mdx` - including optimizing images straight from `/public` |
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44 changes: 26 additions & 18 deletions
44
.../integrations/image/src/endpoints/prod.ts → packages/integrations/image/src/endpoint.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,45 +1,53 @@ | ||
| import type { APIRoute } from 'astro'; | ||
| import etag from 'etag'; | ||
| import { lookup } from 'mrmime'; | ||
| import mime from 'mime'; | ||
| // @ts-ignore | ||
| import loader from 'virtual:image-loader'; | ||
| import { isRemoteImage, loadLocalImage, loadRemoteImage } from '../utils/images.js'; | ||
| import { etag } from './utils/etag.js'; | ||
| import { isRemoteImage } from './utils/paths.js'; | ||
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| async function loadRemoteImage(src: URL) { | ||
| try { | ||
| const res = await fetch(src); | ||
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| if (!res.ok) { | ||
| return undefined; | ||
| } | ||
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| return Buffer.from(await res.arrayBuffer()); | ||
| } catch { | ||
| return undefined; | ||
| } | ||
| } | ||
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| export const get: APIRoute = async ({ request }) => { | ||
| try { | ||
| const url = new URL(request.url); | ||
| const transform = loader.parseTransform(url.searchParams); | ||
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| if (!transform) { | ||
| return new Response('Bad Request', { status: 400 }); | ||
| } | ||
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| let inputBuffer: Buffer | undefined = undefined; | ||
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| if (isRemoteImage(transform.src)) { | ||
| inputBuffer = await loadRemoteImage(transform.src); | ||
| } else { | ||
| const clientRoot = new URL('../client/', import.meta.url); | ||
| const localPath = new URL('.' + transform.src, clientRoot); | ||
| inputBuffer = await loadLocalImage(localPath); | ||
| } | ||
| // TODO: handle config subpaths? | ||
| const sourceUrl = isRemoteImage(transform.src) | ||
| ? new URL(transform.src) | ||
| : new URL(transform.src, url.origin); | ||
| inputBuffer = await loadRemoteImage(sourceUrl); | ||
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| if (!inputBuffer) { | ||
| return new Response(`"${transform.src} not found`, { status: 404 }); | ||
| return new Response('Not Found', { status: 404 }); | ||
| } | ||
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| const { data, format } = await loader.transform(inputBuffer, transform); | ||
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| return new Response(data, { | ||
| status: 200, | ||
| headers: { | ||
| 'Content-Type': lookup(format) || '', | ||
| 'Content-Type': mime.getType(format) || '', | ||
| 'Cache-Control': 'public, max-age=31536000', | ||
| ETag: etag(inputBuffer), | ||
| ETag: etag(data.toString()), | ||
| Date: new Date().toUTCString(), | ||
| }, | ||
| }); | ||
| } catch (err: unknown) { | ||
| return new Response(`Server Error: ${err}`, { status: 500 }); | ||
| } | ||
| }; | ||
| } |
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