From f85c19dcfaf0c9d9b74606feec1a9c3802989524 Mon Sep 17 00:00:00 2001
From: Jason Madigan <jason@jasonmadigan.com>
Date: Wed, 21 Aug 2024 09:00:42 +0100
Subject: [PATCH] eslint errors

---
 src/PolicyTopology.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/PolicyTopology.js b/src/PolicyTopology.js
index 215ad81..871a1d5 100644
--- a/src/PolicyTopology.js
+++ b/src/PolicyTopology.js
@@ -14,6 +14,24 @@ const PolicyTopology = ({ dotString }) => {
   const [dropdownItems, setDropdownItems] = useState([]);
   const [selectedLabel, setSelectedLabel] = useState('');
 
+  useEffect(() => {
+    const g = dot.read(dotString);
+    graphRef.current = g;
+    setFilteredDot(dotString);
+
+    const items = [
+      <DropdownItem key="reset" component="button" onClick={() => handleNodeSelection(null)}>
+        -
+      </DropdownItem>,
+      ...g.nodes().map(node => (
+        <DropdownItem key={node} component="button" onClick={() => handleNodeSelection(node)}>
+          {g.node(node).label}
+        </DropdownItem>
+      )),
+    ];
+    setDropdownItems(items);
+  }, [dotString]);
+
   const handleNodeSelection = useCallback((nodeId) => {
     const graph = graphRef.current;
     if (!graph) {