KM-PC-Front-Milestone2/src/views/modules/knowledge/map/aJs/cache.js

class SessionCache {
  setCache(key, value) {
    window.sessionStorage.setItem(key, JSON.stringify(value))
  }

  getCache(key) {
    // obj => string => obj
    const value = window.sessionStorage.getItem(key)
    if (value) {
      return JSON.parse(value)
    } else {
      return false
    }
  }

  deleteCache(key) {
    window.sessionStorage.removeItem(key)
  }

  clearCache() {
    window.sessionStorage.clear()
  }
}

export default new SessionCache()