code: function namedLevelStore (name) {
    assert.equal(typeof name, 'string', 'named-level-store: name should be a string')
    const location = path.join(process.env.HOME, '.leveldb', name)
    mkdirp.sync(location)
    const db = level(location)
    db.location = location
    return db
  }
docs: Create a levelDB instance on your local machine str -> obj