Improve error handling and logging in database module

1 files changed, 12 insertions, 6 deletions

diff --git a/scripts/shop.js b/scripts/shop.js
index 87ddc0c..e75d289 100644
--- a/scripts/shop.js
+++ b/scripts/shop.js
@@ -18,12 +18,18 @@ class Shop {
                     </section>
                 `
             }
-            for (let i = 0; i < output[0].length; i++) {
-                data.body += `
-                    <div class='item'>
-                    <h2>${output[0][i].ProductName}</h2>
-                    <p>ID: ${output[0][i].ID}</p>
-                    </div>
+            if (output) {
+                for (let i = 0; i < output[0].length; i++) {
+                    data.body += `
+                        <div class='item'>
+                        <h2>${output[0][i].ProductName}</h2>
+                        <p>ID: ${output[0][i].ID}</p>
+                        </div>
+                    `
+                }
+            } else {
+                data.body = `
+                    There are no items in the database.
                 `
             }
             return data.start + data.body + data.end