check undefined, trackpad can send deltaYs of 0 (#208920)

microsoft · Mar 27, 2024 · 8cfe998 · 8cfe998
1 parent 9757f7c
commit 8cfe998
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/vs/workbench/contrib/notebook/browser/view/renderers/webviewPreloads.ts b/src/vs/workbench/contrib/notebook/browser/view/renderers/webviewPreloads.ts
@@ -561,7 +561,7 @@ async function webviewPreloads(ctx: PreloadContext) {
  let lastTimeScrolled: number | undefined;
  function flagRecentlyScrolled(node: Element, deltaY?: number) {
  scrolledElement = node;
- if (!deltaY) {
+ if (deltaY === undefined) {
  lastTimeScrolled = Date.now();
  previousDelta = undefined;
  node.setAttribute('recentlyScrolled', 'true');