diff --git a/docs/demo-styles.css b/docs/demo-styles.css
index 03d142b..8131704 100644
--- a/docs/demo-styles.css
+++ b/docs/demo-styles.css
@@ -1,7 +1,6 @@
 .demo-map-container {
   width: 100%;
-  height: 0;
-  padding-bottom: 75%;
+  height: 600px;
   border: 1px solid var(--vp-c-divider);
   position: relative;
   z-index: 1; /* just for demo, to prevent tooltips go out of container */
diff --git a/vuese-generator.js b/vuese-generator.js
index 7db4966..4b3fb5b 100644
--- a/vuese-generator.js
+++ b/vuese-generator.js
@@ -62,6 +62,10 @@ function generateMarkdown(file) {
 }
 
 function transformData(data) {
+  if (!data) {
+    return [];
+  }
+
   data.forEach((prop) => {
     if (prop.description) {
       prop.describe = [prop.description.replaceAll('\n', ' ')];