sanitize HTML and support emoji

Author: nikolasibalic

caroline/html/js/yaml2html.js

@@ -1,4 +1,11 @@
 import { marked } from "marked";
+import DOMPurify from 'dompurify';
+import * as emoji from 'node-emoji'
+
+
+function parse_content(text){
+    return  DOMPurify.sanitize(emoji.emojify((marked.parse(text))));
+}
 
 export function yaml2html(slide ){
     console.log(slide);
@@ -10,7 +17,7 @@ export function yaml2html(slide ){
         if ("fontSize" in slide){
             fontSize = slide["fontSize"];
         }
-        return  `<div class='spancenter' style='font-size:${fontSize}fem'>${marked.parse(slide["spanCenterText"])}</div>`;
+        return  `<div class='spancenter' style='font-size:${fontSize}fem'>${parse_content(slide["spanCenterText"])}</div>`;
     }
 }
 

caroline/html/package-lock.json

@@ -42,6 +42,7 @@
     "markdown-it": "^14.1.0",
     "markdown-it-mathjax": "^2.0.0",
     "marked": "^16.1.1",
+    "node-emoji": "^2.2.0",
     "pdfjs-dist": "^4.10.38",
     "socket.io-client": "^4.8.1",
     "yaml": "^2.7.0"