astro/packages/integrations/image/components/Picture.astro

---
import { getPicture } from '../dist/index.js';
import type { ImgHTMLAttributes, HTMLAttributes } from './index.js';
import type { ImageMetadata, OutputFormat, TransformOptions } from '../dist/index.js';

interface LocalImageProps extends
	Omit<HTMLAttributes, 'src' | 'width' | 'height'>,
	Omit<TransformOptions, 'src'>,
	Pick<astroHTML.JSX.ImgHTMLAttributes, 'loading' | 'decoding'> {
	src: ImageMetadata | Promise<{ default: ImageMetadata }>;
	alt?: string;
	sizes: HTMLImageElement['sizes'];
	widths: number[];
	formats?: OutputFormat[];
}

interface RemoteImageProps extends
	Omit<HTMLAttributes, 'src' | 'width' | 'height'>,
	TransformOptions,
	Pick<ImgHTMLAttributes, '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({ src, widths, formats, aspectRatio });
---

<picture {...attrs}>
	{sources.map(attrs => (
	<source {...attrs} {sizes}>))}
	<img {...image} {loading} {decoding} {alt} />
</picture>

<style>
	img {
		content-visibility: auto;
	}
</style>