typeorm connection

  
const typeorm = require("typeorm");  
const connectionManager = require("typeorm").getConnectionManager();  
  
  //const connectionManager = typeorm.getConnectionManager();  
  const connected = connectionManager.has("default");  
  if(!connected){  
      // ? load connection options from ormconfig or environment  
        //const connectionOptions = await getConnectionOptions();  
        connectionManager.create({  
          //name: "default",  
          type: "mysql",  
          // "extra": {  
          //   "socketPath": "/cloudsql/ooxxooxx"  
          // },  
          host: "oo.xx.oo.xx",  
          port: 3306,  
          username: "root",  
          password: "ooxxooxx",  
          database: "ooxxdb",  
          synchronize: false,  
          logging: true, // this.env === 'dev' ? true : false  
          ssl: SSL,  
          keepConnectionAlive: false,  
      });  
  }  
  
  try {  
    db = connectionManager.get();  
    if(!connected){   
        await db.connect();   
        console.log('connect .... OK!');  
    }  
  }catch(error) {  
    console.log("TypeORM Error: ", error);  
  };  
  
  var ranks = await db.query("select * from users");