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fix(cdk/drag-drop): add conditional to scroll update #23337

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Aug 11, 2021
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3 changes: 2 additions & 1 deletion src/cdk/drag-drop/drag-ref.ts
Original file line number Diff line number Diff line change
Expand Up @@ -1398,7 +1398,8 @@ export class DragRef<T = any> {

// ClientRect dimensions are based on the scroll position of the page and its parent
// node so we have to update the cached boundary ClientRect if the user has scrolled.
if (this._boundaryRect && target.contains(this._boundaryElement)) {
if (this._boundaryRect && target !== this._boundaryElement &&
target.contains(this._boundaryElement)) {
adjustClientRect(this._boundaryRect, scrollDifference.top, scrollDifference.left);
}

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