fix(handle): check if source or target exist

2021-03-21 17:15:23 +01:00
parent 2cbd50c23e
commit 2ddc5505a3
1 changed files with 3 additions and 2 deletions
@@ -99,9 +99,10 @@ export function onMouseDown(
 ): void {
  const reactFlowNode = (event.target as Element).closest('.react-flow');
  const elementBelow = document.elementFromPoint(event.clientX, event.clientY);
-  const elementBelowIsTarget = elementBelow?.classList.contains('target') || false;
+  const elementBelowIsTarget = elementBelow?.classList.contains('target');
+  const elementBelowIsSource = elementBelow?.classList.contains('source');

-  if (!reactFlowNode) {
+  if (!reactFlowNode || (!elementBelowIsTarget && !elementBelowIsSource)) {
    return;
  }