From 3a92aaf69e9a79d6c9d7d3c905012a8a383b4c5d Mon Sep 17 00:00:00 2001
From: Zoe Moore <zoenb@mailbox.org>
Date: Thu, 30 Jun 2022 18:00:53 -0700
Subject: [PATCH] Add proper error checking

---
 bt.nim | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bt.nim b/bt.nim
index d7a720d..ab465ad 100644
--- a/bt.nim
+++ b/bt.nim
@@ -52,6 +52,10 @@ proc parseStation(station: string): string =
     else: station
 
 proc formatDepartures(etd: JSONNode): string =
+  if etd["root"].getElems == @[]:
+    echo "No departures for this station"
+    return
+
   let name = etd["root"]["station"][0]["name"].getStr
   let lines = etd["root"]["station"][0]["etd"]