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/**
* Rehype plugin to enhance links with security attributes.
*
* Adds target="_blank" and rel="noopener noreferrer" to all anchor elements,
* ensuring external links open in new tabs safely.
*/
import type { Plugin } from 'unified';
import type { Root, Element } from 'hast';
import { visit } from 'unist-util-visit';
/**
* Rehype plugin that adds security attributes to all links.
* This plugin ensures external links open in new tabs safely by adding:
* - target="_blank"
* - rel="noopener noreferrer"
*/
export const rehypeEnhanceLinks: Plugin<[], Root> = () => {
return (tree: Root) => {
visit(tree, 'element', (node: Element) => {
if (node.tagName !== 'a') return;
const props = node.properties ?? {};
// Only modify if href exists
if (!props.href) return;
props.target = '_blank';
props.rel = 'noopener noreferrer';
node.properties = props;
});
};
};
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