39 lines
1.3 KiB
Plaintext
39 lines
1.3 KiB
Plaintext
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---
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import { getImage, type LocalImageProps, type RemoteImageProps } from 'astro:assets';
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import { AstroError, AstroErrorData } from '../dist/core/errors/index.js';
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import type { HTMLAttributes } from '../types';
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// The TypeScript diagnostic for JSX props uses the last member of the union to suggest props, so it would be better for
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// LocalImageProps to be last. Unfortunately, when we do this the error messages that remote images get are complete nonsense
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// Not 100% sure how to fix this, seems to be a TypeScript issue. Unfortunate.
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type Props = LocalImageProps | RemoteImageProps;
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const props = Astro.props;
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if (props.alt === undefined || props.alt === null) {
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throw new AstroError(AstroErrorData.ImageMissingAlt);
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}
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// As a convenience, allow width and height to be string with a number in them, to match HTML's native `img`.
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if (typeof props.width === 'string') {
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props.width = parseInt(props.width);
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}
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if (typeof props.height === 'string') {
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props.height = parseInt(props.height);
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}
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const image = await getImage(props);
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const additionalAttributes: HTMLAttributes<'img'> = {};
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if (image.srcSet.values.length > 0) {
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additionalAttributes.srcset = image.srcSet.attribute;
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}
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if (import.meta.env.DEV) {
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additionalAttributes['data-image-component'] = 'true';
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}
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---
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<img src={image.src} {...additionalAttributes} {...image.attributes} />
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