Optimize data reset

openstax · Aug 20, 2024 · 801d19e · 801d19e
1 parent b5a9ebb
commit 801d19e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/app/components/shell/router-helpers/use-layout-parameters.ts b/src/app/components/shell/router-helpers/use-layout-parameters.ts
@@ -7,7 +7,8 @@ export default function useLayoutParameters() {
         // eslint-disable-next-line no-shadow
         ({name, data}: { name: string; data: unknown;}) => {
             setLayoutName(name);
-            if (JSON.stringify(data) !== JSON.stringify(layoutData)) {
+            // Optimization: it doesn't matter whether data gets reset if it is undefined
+            if (JSON.stringify(data) !== JSON.stringify(layoutData) && data !== undefined) {
                 setLayoutData(data);
             }
         },