add target=blank to each anchor

src/Bundle/ChillMainBundle/Resources/public/vuejs/HomepageWidget/DashboardWidgets/NewsItem.vue

@@ -120,10 +120,28 @@ const truncateContent = (content: string): string => {
     return truncatedContent;
 };
 
+const preprocess = (markdown: string): string => {
+    return markdown;
+}
+
+const postprocess = (html: string): string => {
+    DOMPurify.addHook('afterSanitizeAttributes', (node) => {
+        if ('target' in node) {
+            node.setAttribute('target', '_blank');
+            node.setAttribute('rel', 'noopener noreferrer');
+        }
+        if (!node.hasAttribute('target') && (node.hasAttribute('xlink:href') || node.hasAttribute('href'))) {
+            node.setAttribute('xlink:show', 'new');
+        }
+    })
+
+    return DOMPurify.sanitize(html);
+}
+
 const convertMarkdownToHtml = (markdown: string): string => {
+    marked.use({'hooks': {postprocess, preprocess}});
     const rawHtml = marked(markdown);
-    // console.log(rawHtml)
-    return DOMPurify.sanitize(rawHtml)
+    return rawHtml;
 };
 
 const prepareContent = (content: string): string => {