Function handleMouseOverOut

src/OverlayTrigger.tsx:57–69

(
  handler: (...args: [React.MouseEvent, ...any[]]) => any,
  args: [React.MouseEvent, ...any[]],
  relatedNative: 'fromElement' | 'toElement',
)

// for cases when the trigger is disabled and mouseOut/Over can cause flicker
// moving from one child element to another.
function handleMouseOverOut(
  handler: (...args: [React.MouseEvent, ...any[]]) => any,
  args: [React.MouseEvent, ...any[]],
  relatedNative: 'fromElement' | 'toElement',
) {
  const [e] = args;
  const target = e.currentTarget;
  const related = e.relatedTarget || e.nativeEvent[relatedNative];

  if ((!related || related !== target) && !contains(target, related)) {
    handler(...args);
  }
}

const triggerType = PropTypes.oneOf<OverlayTriggerType>([
  'click',