astro/packages/markdown/component/Markdown.astro

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---
interface Props {
content?: string;
}
const dedent = (str: string) => {
const _str = str.split('\n').filter(s => s.trimStart().length > 0);
if (_str.length === 0) {
return str.trimStart();
}
const trimmedSpace = _str[0].replace(_str[0].trimStart(), '');
return str
.split('\n')
.map((ln) => ln.startsWith(trimmedSpace) ? ln.replace(trimmedSpace, '') : ln)
.join('\n');
}
// Internal props that should not be part of the external interface.
interface InternalProps extends Props {
class: string;
$scope: string;
}
let { content, class: className } = Astro.props as InternalProps;
let html = null;
let htmlContent = '';
// If no content prop provided, use the slot.
if (!content) {
content = await Astro.slots.render('default');
if (content !== undefined && content !== null) {
content = dedent(content);
}
}
if (content) {
htmlContent = await (Astro as any).__renderMarkdown(content, {
$: {
scopedClassName: className,
},
});
}
html = htmlContent;
---
<>
{html ? <Fragment set:html={html} /> : <slot />}
</>