export function cachePage(e) {
  let page = {}
  if (JSON.parse(localStorage.getItem(e))) {
    page = JSON.parse(localStorage.getItem(e))
    page.sum += 1
    localStorage.setItem(e, JSON.stringify(page))
  } else {
    page.name = e
    page.sum = 1
    localStorage.setItem(e, JSON.stringify(page))
  }
}