custom postgress express-session store

session.js

const store = Object.assign(new session.Store(), {
  get: (id, cb) =>
    pg.oneOrNone(`
      select
        cookie, user_id as user
      from sessions
      where session_id = $[id]
    `, { id }).then(s => cb(null, s)).catch(cb)
  ,
  set: (id, session, cb) =>
    pg.none(`
      insert into sessions(
        session_id, user_id, cookie, user_agent, ip
      ) values (
        $[id], $[user], $[cookie], $[userAgent], $[ip]
      )
    `, { id, ...session }).then(s => cb(null, s)).catch(cb)
  ,
  touch: (id, session, cb) => cb()
  ,
  destroy: (id, cb) =>
    pg.none(`
      delete from sessions
      where session_id = $[id]
    `, { id }).then(cb).catch(cb)
})