关于focus-trap的focusAfterReleased回掉函数的疑问

[yanessa-yu]

element-plus/packages/components/popper/src/composables/use-focus-trap.ts
const onFocusAfterReleased = (event: CustomEvent) => {
if (event.detail?.focusReason !== 'pointer') { // 为什么这里要加上这个判断
focusStartRef.value = 'first'
emit('blur')
}
}