feat: scaffold prereq graph project

1 files changed, 14 insertions, 0 deletions

diff --git a/src/hooks/useCourseData.ts b/src/hooks/useCourseData.ts
new file mode 100644
index 0000000..74281fa
--- /dev/null
+++ b/src/hooks/useCourseData.ts
@@ -0,0 +1,14 @@
+import { useEffect, useState } from "react";
+
+export function useCourseData(file = "/data/catalog_2025_fall.json") {
+  const [catalog, setCatalog] = useState<Record<string, string[]>>({});
+
+  useEffect(() => {
+    fetch(file)
+      .then(r => r.json())
+      .then(setCatalog)
+      .catch(console.error);
+  }, [file]);
+
+  return catalog;
+}