fix: check if ResizeObserver is available in observeElementRect (#645)

Co-authored-by: Lachlan Collins <1667261+lachlancollins@users.noreply.github.com>
TanStack · Feb 18, 2024 · 3a1c256 · 3a1c256
1 parent 0cedda3
commit 3a1c256
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/packages/virtual-core/src/index.ts b/packages/virtual-core/src/index.ts
@@ -75,6 +75,10 @@ export const observeElementRect = <T extends Element>(
 
   handler(element.getBoundingClientRect())
 
+  if (typeof ResizeObserver === 'undefined') {
+    return () => {}
+  }
+
   const observer = new ResizeObserver((entries) => {
     const entry = entries[0]
     if (entry?.borderBoxSize) {