[Haik]: ckpt, abstracted helpers within NineRouterProcess

backend/apps/subscriptions/NineRouter/NineRouterProcess/helpers/find_node.py

@@ -0,0 +1,15 @@
+import os
+import shutil
+from typing import Optional
+from typeguard import typechecked
+
+
+@typechecked
+def find_node() -> Optional[str]:
+    node: Optional[str] = shutil.which("node")
+    if node:
+        return node
+    electron_path: Optional[str] = os.environ.get("OPENSWARM_ELECTRON_PATH")
+    if electron_path and os.path.exists(electron_path):
+        return electron_path
+    return None