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 } }