Prevent observers without nodes from being fired

trurl-master · Feb 23, 2024 · 10b46f9 · 10b46f9
1 parent 946c26f
commit 10b46f9
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/mocks/intersection-observer.ts b/src/mocks/intersection-observer.ts
@@ -168,6 +168,8 @@ export class MockedIntersectionObserver implements IntersectionObserver {
   }
 
   triggerNodes(nodeDescriptions: NodeIntersectionDescription[]) {
+    if (nodeDescriptions.length === 0) return;
+
     const nodeIndexes = nodeDescriptions.map(({ node }) =>
       findNodeIndex(this.nodes, node)
     );