text: import hash from './object-hash-wrapper.js'
  
  const MAX_AGE_IN_MS = 120000
  
  export default class SessionCache {
    static add(storage, parameters, data) {
      const key = hash(parameters)
      const timestamp = Date.now()
      const value = {
        data,
        timestamp,
      }
      storage.setItem(key, JSON.stringify(value))
    }
  
    static get(storage, parameters) {
      const key = hash(parameters)
      const value = JSON.parse(storage.getItem(key))
      if (
        value &&
        value.timestamp &&
        value.timestamp > Date.now() - MAX_AGE_IN_MS
      )
        return value.data
      return null
    }
  }
  