violatingopenclosed.js

function initializeDatabase(database) {
  switch (database.type) {
    case 'mysql':
      database.connectToMySql();
      break;
    case 'postgres':
      database.connectToPostgres();
      break;
    case 'mongodb':
      database.connectToMongoDb();
      break;
  }
}

const mySqlEngine = {
  type: 'mysql',
  connectToMySql: function () {
    // ...
  }
};
  
initializeDatabase(mySqlEngine);