Function pointerdown

src/dd-touch.ts:136–140

(e: PointerEvent)

 * so instead of PointerEvent to still get enter/leave and send the matching mouse event.
 */
export function pointerdown(e: PointerEvent): void {
  // console.log("pointer down")
  if (e.pointerType === 'mouse') return;
  (e.target as HTMLElement).releasePointerCapture(e.pointerId) // <- Important!
}

export function pointerenter(e: PointerEvent): void {
  // ignore the initial one we get on pointerdown on ourself