Added document previews and fixed saving

server/utils/truncate.js

@@ -0,0 +1,18 @@
+import truncate from 'truncate-html';
+import marked from 'marked';
+
+truncate.defaultOptions = {
+  stripTags: false,
+  ellipsis: '...',
+  decodeEntities: false,
+  excludes: ['h1', 'pre',],
+};
+
+const truncateMarkdown = (text, length) => {
+  const html = marked(text);
+  return truncate(html, length);
+};
+
+export {
+  truncateMarkdown
+};