const Keyv = require('keyv')
const { KeyvFile } = require('keyv-file')
const keyv = new Keyv({
  store: new KeyvFile()
});
// More options with default value:
const customKeyv = new Keyv({
  store: new KeyvFile({
    filename: `${os.tmpdir()}/keyv-file/default-rnd-${Math.random().toString(36).slice(2)}.json`, // the file path to store the data
    expiredCheckDelay: 24 * 3600 * 1000, // ms, check and remove expired data in each ms
    writeDelay: 100, // ms, batch write to disk in a specific duration, enhance write performance.
    encode: JSON.stringify, // serialize function
    decode: JSON.parse // deserialize function
  })
})