1 files changed, 42 insertions, 0 deletions
diff --git a/src/views/App.js b/src/views/App.js
new file mode 100644
index 0000000..c5a7f83
--- /dev/null
+++ b/src/views/App.js
@@ -0,0 +1,42 @@
+/**
+ * Main React app logic
+ */
+
+import React, { useState, useEffect, useCallback } from "react";
+
+import Detail from "./Detail.js";
+import buildGraph from "../graph.js";
+
+export default function App() {
+  const [db, setDb] = useState(null);
+  const [node, setNode] = useState(null);
+  const [detailVisible, setDetailVisible] = useState(null);
+
+  useEffect(async () => {
+    const newDb = await loadDB();
+    setDb(newDb);
+    buildGraph(newDb, {
+      click: handleClick,
+    });
+  }, []);
+
+  const handleClick = useCallback((node) => {
+    setNode(node);
+    setDetailVisible(true);
+  });
+
+  const handleClose = useCallback((node) => {
+    setDetailVisible(false);
+  });
+
+  return (
+    <div>
+      <Detail node={node} visible={detailVisible} onClose={handleClose} />
+    </div>
+  );
+}
+
+async function loadDB() {
+  const request = await fetch("/assets/db.json");
+  return await request.json();
+}