let projectName = process.env.VUE_APP_PROJECT_NAME
const db = {
  //存储localStorage
  save (key, value) {
    localStorage.setItem(`${projectName}_${key}`, JSON.stringify(value),)
  },
  //获取localStorage
  get (key, defaultValue = {}) {
    try {
      return JSON.parse(localStorage.getItem(`${projectName}_${key}`))
    } catch (err) {
      return defaultValue
    }
  },
  //单个删除localStorage
  remove (key) {
    localStorage.removeItem(`${projectName}_${key}`)
  },
  //全部清除localStorage
  clear () {
    // localStorage.clear()
    // 为了使 fids-admin-ui 和 fids-ui 能在同一个域下 独立使用， 清除缓存时，需要区分来
    Object.keys(localStorage).forEach(function (item){
      if (item.indexOf(projectName) !== -1) {
        localStorage.removeItem(item)
      }
    })
  }
}

export default db