Add MDX optimize option (#7151)

Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>

1 files changed, 8 insertions, 0 deletions

diff --git a/packages/integrations/mdx/src/plugins.ts b/packages/integrations/mdx/src/plugins.ts
index af9950451..94c3c10ba 100644
--- a/packages/integrations/mdx/src/plugins.ts
+++ b/packages/integrations/mdx/src/plugins.ts
@@ -15,6 +15,7 @@ import type { VFile } from 'vfile';
 import type { MdxOptions } from './index.js';
 import { rehypeInjectHeadingsExport } from './rehype-collect-headings.js';
 import rehypeMetaString from './rehype-meta-string.js';
+import { rehypeOptimizeStatic } from './rehype-optimize-static.js';
 import { remarkImageToComponent } from './remark-images-to-component.js';
 import remarkPrism from './remark-prism.js';
 import remarkShiki from './remark-shiki.js';
@@ -144,6 +145,13 @@ export function getRehypePlugins(mdxOptions: MdxOptions): PluggableList {
 		// computed from `astro.data.frontmatter` in VFile data
 		rehypeApplyFrontmatterExport,
 	];
+
+	if (mdxOptions.optimize) {
+		// Convert user `optimize` option to compatible `rehypeOptimizeStatic` option
+		const options = mdxOptions.optimize === true ? undefined : mdxOptions.optimize;
+		rehypePlugins.push([rehypeOptimizeStatic, options]);
+	}
+
 	return rehypePlugins;
 }