fix(transformer): add escape html

source/data/transformer.mjs

@@ -196,6 +196,17 @@ function transform(value) {
             validateString(value);
             return value.toLowerCase();
 
+        case "escape-html":
+        case "escapehtml":
+            validateString(value);
+
+            return value.replace(/&/g, "&").
+                replace(/</g, "&lt;").
+                replace(/>/g, "&gt;").
+                replace(/"/g, "&quot;").
+                replace(/'/g, '&#39;');
+
+
         case "contains":
             if (isString(value)) {
                 return value.includes(args[0]);