perf: improve conditional check for array of objects

GoogleChromeLabs · Feb 15, 2024 · aa5167e · aa5167e
1 parent c6874ed
commit aa5167e
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/packages/common/src/utils/shallowEqual.ts b/packages/common/src/utils/shallowEqual.ts
@@ -24,6 +24,14 @@ export const shallowEqual = (a: unknown, b: unknown): boolean => {
   }
 
   if (Array.isArray(a) && Array.isArray(b)) {
+    if (
+      typeof a[0] === 'object' &&
+      typeof b[0] === 'object' &&
+      a.length === b.length
+    ) {
+      return a.every((item, index) => shallowEqualObjects(item, b[index]));
+    }
+
     return shallowEqualArrays(a, b);
   }