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import mdxPlugin from '@mdx-js/rollup';
import type { AstroIntegration } from 'astro';
export default function mdx(): AstroIntegration {
return {
name: '@astrojs/mdx',
hooks: {
'astro:config:setup': ({ updateConfig, addPageExtension, command }: any) => {
addPageExtension('.mdx');
updateConfig({
vite: {
plugins: [
{
enforce: 'pre',
...mdxPlugin({
jsx: true,
jsxImportSource: 'astro',
// Note: disable `.md` support
format: 'mdx',
mdExtensions: [],
}),
},
command === 'dev' && {
name: '@astrojs/mdx',
transform(code: string, id: string) {
if (!id.endsWith('.mdx')) return;
// TODO: decline HMR updates until we have a stable approach
return `${code}\nif (import.meta.hot) {
import.meta.hot.decline();
}`;
},
},
],
},
});
},
},
};
}
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