optional url

quartz/components/Btn8831.tsx

@@ -55,22 +55,29 @@ export default (() => {
     return groups
   }
 
-  // Function to render button content based on contentType
+  // Updated renderButtonContent function
   function renderButtonContent(button: any): preact.VNode | null {
     const contentType = button.contentType || "image" // Default to 'image'
 
     if (contentType === "image") {
-      return (
-        <a href={button.url}>
-          <img
-            src={button.image}
-            alt={button.alt}
-            title={button.title}
-            loading="lazy"
-            decoding="async"
-          />
-        </a>
+      // Create the <img> element
+      const imgElement = (
+        <img
+          src={button.image}
+          alt={button.alt}
+          title={button.title}
+          loading="lazy"
+          decoding="async"
+        />
       )
+
+      // If `button.url` is present, wrap the image in an `<a>` tag
+      if (button.url) {
+        return <a href={button.url}>{imgElement}</a>
+      } else {
+        // If no `url`, return the image element without wrapping
+        return imgElement
+      }
     } else if (contentType === "iframe") {
       const iframeAttrs = button.iframeAttributes || {}
       return <iframe src={button.url} title={button.title} {...iframeAttrs}></iframe>
@@ -79,5 +86,6 @@ export default (() => {
       return null
     }
   }
+
   return Btn8831
 }) satisfies QuartzComponentConstructor