Function upgradeGlobalBaks

chavy.box.js:1081–1111

* 升级备份数据 * * 升级前: 把所有备份都存到一个持久化空间 * 升级后: 把每个备份都独立存到一个空间, `$.KEY_backups` 仅记录必要的数据索引

()

 * 升级后: 把每个备份都独立存到一个空间, `$.KEY_backups` 仅记录必要的数据索引
 */
function upgradeGlobalBaks() {
  let oldbaks = $.getdata($.KEY_globalBaks)
  let newbaks = $.getjson($.KEY_backups, [])
  const isEmpty = (bak) => [undefined, null, ''].includes(bak)
  const isExistsInNew = (backupId) => newbaks.find((bak) => bak.id === backupId)

  // 存在旧备份数据时, 升级备份数据格式
  if (!isEmpty(oldbaks)) {
    oldbaks = JSON.parse(oldbaks)
    oldbaks.forEach((bak) => {
      if (isEmpty(bak)) return
      if (isEmpty(bak.bak)) return
      if (isExistsInNew(bak.id)) return

      console.log(`正在迁移: ${bak.name}`)
      const backupId = bak.id
      const backupData = bak.bak

      // 删除旧的备份数据, 仅保留索引信息
      delete bak.bak
      newbaks.push(bak)

      // 提取旧备份数据, 存入独立的持久化空间
      $.setjson(backupData, backupId)
    })
    $.setjson(newbaks, $.KEY_backups)
  }

  // 清空所有旧备份的数据
  $.setdata('', $.KEY_globalBaks)
}

function updateCurSesssions(appId, data) {
  if (!appId) {