Add paranoid safeguard against impossible case.

1 files changed, 5 insertions, 1 deletions

diff --git a/rules.ts b/rules.ts
index d4ca3d6..e5fa8bd 100644
--- a/rules.ts
+++ b/rules.ts
@@ -288,7 +288,11 @@ function setup_player_turn(faction_id: FactionId) {
      * having played Momentum medallion in a previous turn.
      * This will skip their turn
      */
-    setup_player_turn(get_next_faction_in_player_order(next_faction))
+    const next_next_faction = get_next_faction_in_player_order(next_faction);
+    if (game.selected_cards[next_next_faction].length > 0)
+      setup_player_turn(get_next_faction_in_player_order(next_next_faction));
+    else
+      throw new Error("impossible situation");
   }
 }