Fix tab-bar startup error (#12659)

eclipse-theia · Jun 29, 2023 · 77c80d5 · 77c80d5
1 parent b1788ea
commit 77c80d5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/core/src/browser/shell/tab-bars.ts b/packages/core/src/browser/shell/tab-bars.ts
@@ -1145,7 +1145,7 @@ export class SideTabBar extends ScrollableTabBar {
                 }
 
                 // Special handling if only one element is overflowing.
-                if (overflowStartIndex === n - 1) {
+                if (overflowStartIndex === n - 1 && renderData[overflowStartIndex]) {
                     if (!this.tabsOverflowData) {
                         overflowStartIndex--;
                         renderData[overflowStartIndex].visible = false;