From 1466f38f0bd71980e1079cf6fcc642dc36034214 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson@vistahigherlearning.com>
Date: Thu, 17 Feb 2022 08:48:57 -0500
Subject: Don't show references header if there are no references.

---
 js/garden.js | 34 ++++++++++++++++++----------------
 1 file changed, 18 insertions(+), 16 deletions(-)

diff --git a/js/garden.js b/js/garden.js
index fe3b952..046943a 100644
--- a/js/garden.js
+++ b/js/garden.js
@@ -569,22 +569,24 @@ function viewCropDetails(crop) {
   }
 
   function addReferences() {
-    const div = document.createElement("div");
-    const title = document.createElement("span");
-    const list = document.createElement("ul");
-    title.appendChild(document.createTextNode("References"));
-    div.appendChild(title);
-    crop.references.forEach(ref => {
-      const li = document.createElement("li");
-      const link = document.createElement("a");
-      link.appendChild(document.createTextNode(ref.title));
-      link.href = ref.url;
-      link.target = "_blank"; // open in new tab.
-      li.appendChild(link);
-      list.appendChild(li);
-    });
-    div.appendChild(list);
-    modal.appendChild(div);
+    if(crop.references.length > 0) {
+      const div = document.createElement("div");
+      const title = document.createElement("span");
+      const list = document.createElement("ul");
+      title.appendChild(document.createTextNode("References"));
+      div.appendChild(title);
+      crop.references.forEach(ref => {
+        const li = document.createElement("li");
+        const link = document.createElement("a");
+        link.appendChild(document.createTextNode(ref.title));
+        link.href = ref.url;
+        link.target = "_blank"; // open in new tab.
+        li.appendChild(link);
+        list.appendChild(li);
+      });
+      div.appendChild(list);
+      modal.appendChild(div);
+    }
   }
 
   const container = document.getElementById("container");
-- 
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