astro/packages/integrations/image/components/Picture.astro
Tony Sullivan d73c04a9e5
<Picture> component should pass all unknown attributes to the <img> element (#3961)
* <Picture /> should pass all unrecognized props down to the <img> element

* chore: add changeset

* Adding test coverage for custom <img> attributes

* chore: adding a README note for passing attributes to the picture's img

* Revert "<Picture /> should pass all unrecognized props down to the <img> element"

This reverts commit ce3e33930f.

* Picture should pass alt text to the img
2022-07-19 19:21:58 +00:00

41 lines
1.3 KiB
Text

---
// @ts-ignore
import loader from 'virtual:image-loader';
import { getPicture } from '../src/get-picture.js';
import type { ImageAttributes, ImageMetadata, OutputFormat, PictureAttributes, TransformOptions } from '../src/types.js';
export interface LocalImageProps extends Omit<PictureAttributes, 'src' | 'width' | 'height'>, Omit<TransformOptions, 'src'>, Pick<ImageAttributes, 'loading' | 'decoding'> {
src: ImageMetadata | Promise<{ default: ImageMetadata }>;
alt?: string;
sizes: HTMLImageElement['sizes'];
widths: number[];
formats?: OutputFormat[];
}
export interface RemoteImageProps extends Omit<PictureAttributes, 'src' | 'width' | 'height'>, TransformOptions, Pick<ImageAttributes, 'loading' | 'decoding'> {
src: string;
alt?: string;
sizes: HTMLImageElement['sizes'];
widths: number[];
aspectRatio: TransformOptions['aspectRatio'];
formats?: OutputFormat[];
}
export type Props = LocalImageProps | RemoteImageProps;
const { src, alt, sizes, widths, aspectRatio, formats = ['avif', 'webp'], loading = 'lazy', decoding = 'async', ...attrs } = Astro.props as Props;
const { image, sources } = await getPicture({ loader, src, widths, formats, aspectRatio });
---
<picture {...attrs}>
{sources.map(attrs => (
<source {...attrs} {sizes}>))}
<img {...image} {loading} {decoding} {alt} />
</picture>
<style>
img {
content-visibility: auto;
}
</style>