export function go(url) {
  uni.navigateTo({ url })
}

export function switchMain(url) {
  uni.reLaunch({ url })
}

// 返回上一页；没有上一页（深链进入）时退回 fallbackUrl
export function back(fallbackUrl = '') {
  const pages = getCurrentPages()
  if (pages.length > 1) {
    uni.navigateBack({ delta: 1 })
    return
  }
  if (fallbackUrl) uni.reLaunch({ url: fallbackUrl })
}