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| author | bob <bcz@cs.brown.edu> | 2019-04-18 16:38:33 -0400 |
|---|---|---|
| committer | bob <bcz@cs.brown.edu> | 2019-04-18 16:38:33 -0400 |
| commit | 64b062eab72e78776a78b9983c7ddcd7afde66b0 (patch) | |
| tree | 32611e10a6a84d851110385bbcc096f602ede789 | |
| parent | cd384196332ffe9fde83cb5104dd489c1a71b82c (diff) | |
avoid exception
| -rw-r--r-- | src/client/util/DragManager.ts | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts index 426c9fc3d..46658867b 100644 --- a/src/client/util/DragManager.ts +++ b/src/client/util/DragManager.ts @@ -272,7 +272,7 @@ export namespace DragManager { AbortDrag = () => { document.removeEventListener("pointermove", moveHandler, true); document.removeEventListener("pointerup", upHandler); - dragElements.map(dragElement => dragDiv.removeChild(dragElement)); + dragElements.map(dragElement => { if (dragElement.parentNode == dragDiv) dragDiv.removeChild(dragElement); }); eles.map(ele => (ele.hidden = false)); }; const upHandler = (e: PointerEvent) => { |