fix: panic on key up/down (#16)

2023-03-20 09:26:51 -07:00
parent 94197fa1d1
commit 61bc6da821
1 changed files with 8 additions and 2 deletions
@@ -122,7 +122,10 @@ impl TreeState {
        let new_index = current_index.map_or(0, |current_index| {
            current_index.saturating_sub(1).min(visible.len() - 1)
        });
-        let new_identifier = visible[new_index].identifier.clone();
+        let new_identifier = visible
+            .get(new_index)
+            .map(|o| o.identifier.clone())
+            .unwrap_or_default();
        self.select(new_identifier);
    }

@@ -137,7 +140,10 @@ impl TreeState {
        let new_index = current_index.map_or(0, |current_index| {
            current_index.saturating_add(1).min(visible.len() - 1)
        });
-        let new_identifier = visible[new_index].identifier.clone();
+        let new_identifier = visible
+            .get(new_index)
+            .map(|o| o.identifier.clone())
+            .unwrap_or_default();
        self.select(new_identifier);
    }