new listings daily roundups rss

node_modules/@11ty/eleventy-plugin-rss/src/getNewestCollectionItemDate.js

@@ -0,0 +1,7 @@
+export default function(collection, emptyFallbackDate) {
+  if( !collection || !collection.length ) {
+    return emptyFallbackDate || new Date();
+  }
+
+  return new Date(Math.max(...collection.map(item => {return item.date})));
+}