fix(screen): crash in intermediate no-tabs state (#1272)

* fix(screen): log error instead of crashing in intermediate state with no active tabs

* style(fmt): rustfmt

1 files changed, 10 insertions, 4 deletions

diff --git a/default-plugins/tab-bar/src/main.rs b/default-plugins/tab-bar/src/main.rs
index 05f241bbb..2067af9d2 100644
--- a/default-plugins/tab-bar/src/main.rs
+++ b/default-plugins/tab-bar/src/main.rs
@@ -42,9 +42,13 @@ impl ZellijPlugin for State {
         match event {
             Event::ModeUpdate(mode_info) => self.mode_info = mode_info,
             Event::TabUpdate(tabs) => {
-                // tabs are indexed starting from 1 so we need to add 1
-                self.active_tab_idx = tabs.iter().position(|t| t.active).unwrap() + 1;
-                self.tabs = tabs;
+                if let Some(active_tab_index) = tabs.iter().position(|t| t.active) {
+                    // tabs are indexed starting from 1 so we need to add 1
+                    self.active_tab_idx = active_tab_index + 1;
+                    self.tabs = tabs;
+                } else {
+                    eprintln!("Could not find active tab.");
+                }
             }
             Event::Mouse(me) => match me {
                 Mouse::LeftClick(_, col) => {
@@ -59,7 +63,9 @@ impl ZellijPlugin for State {
                 }
                 _ => {}
             },
-            _ => unimplemented!(), // FIXME: This should be unreachable, but this could be cleaner
+            _ => {
+                eprintln!("Got unrecognized event: {:?}", event);
+            }
         }
     }