first commit

calcom/packages/lib/markdownToSafeHTML.ts

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+import sanitizeHtml from "sanitize-html";
+
+import { md } from "@calcom/lib/markdownIt";
+
+if (typeof window !== "undefined") {
+  // This file imports markdown parser which is a costly dependency, so we want to make sure it's not imported on the client side.
+  // It is still imported at some places on client in non-booker pages, we can gradually remove it from there and then convert it into an error
+  console.warn("`markdownToSafeHTML` should not be imported on the client side.");
+}
+
+export function markdownToSafeHTML(markdown: string | null) {
+  if (!markdown) return "";
+
+  const html = md.render(markdown);
+
+  const safeHTML = sanitizeHtml(html);
+
+  const safeHTMLWithListFormatting = safeHTML
+    .replace(
+      /<ul>/g,
+      "<ul style='list-style-type: disc; list-style-position: inside; margin-left: 12px; margin-bottom: 4px'>"
+    )
+    .replace(
+      /<ol>/g,
+      "<ol style='list-style-type: decimal; list-style-position: inside; margin-left: 12px; margin-bottom: 4px'>"
+    )
+    .replace(/<a\s+href=/g, "<a target='_blank' class='text-blue-500 hover:text-blue-600' href=");
+
+  return safeHTMLWithListFormatting;
+}