Add proper error checking

2022-06-30 18:00:53 -07:00
parent 296aecf5aa
commit ff722c754d
1 changed files with 4 additions and 0 deletions
--- a/bt.nim
+++ b/bt.nim
@@ -52,6 +52,10 @@ proc parseStation(station: string): string =
    else: station

 proc formatDepartures(etd: JSONNode): string =
+  if not etd["root"].hasKey("station"):
+    echo "No departures for this station"
+    return
+
  let name = etd["root"]["station"][0]["name"].getStr
  let lines = etd["root"]["station"][0]["etd"]