isDragLeaveLeavingElement

Detect whether dragleave truly left the current element (ignore entering children).

Drag any file here. Moving into the inner box should not flicker.

Child node

hover: false

Signature

function isDragLeaveLeavingElement(event: {
  relatedTarget: unknown
  currentTarget: unknown
}): boolean

Returns

Value	Meaning
true	Left currentTarget (safe to clear drop-hover)
false	Still inside subtree (ignore this leave)

Usage

import { isDragLeaveLeavingElement } from '@zengchaowu/shared/functions/dom/isDragLeaveLeavingElement'

function onDragLeave(event: DragEvent) {
  if (!isDragLeaveLeavingElement(event)) return
  dropHover = false
}