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base repository: patternfly/react-topology
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base: 5eff3e502e188e1bfac3f1f79b67bf9957fe7b52
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head repository: patternfly/react-topology
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compare: 126476ab80dfb97cdc2721a6327f3d7eb4cc563b
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Showing with 5 additions and 2 deletions.
  1. +5 −2 packages/module/src/components/contextmenu/ContextSubMenuItem.tsx
7 changes: 5 additions & 2 deletions packages/module/src/components/contextmenu/ContextSubMenuItem.tsx
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Original file line number Diff line number Diff line change
@@ -12,8 +12,11 @@ interface ContextSubMenuItemProps {
}

/**
* Check if an event target is also a [Node](https://developer.mozilla.org/en-US/docs/Web/API/Node).
* Needed to stop runtime errors where the target does not implement Node.
* Check if an event target implements the [DOM Node interface][1].
* Needed to prevent runtime errors where the event target is not a DOM node,
* but `contains` is still called on it.
*
* [1]: https://developer.mozilla.org/en-US/docs/Web/API/Node
*/
const implementsDOMNode = (node: any): boolean => {
return node && typeof node === 'object' && node.nodeType && node.nodeName;