Prototype Pattern

prototype.ts

class ConnectionPrototype {
    constructor(proto){
        this.proto = proto;
        return this.clone();
    }

    clone(){
        let connection = new Connection(
            this.proto.driver,
            this.proto.server,
            this.proto.database,
            this.proto.user,
            this.proto.password
        );
    
        return connection;
    }
}

class Connection{
    constructor(driver, server, database, user, password){
        this.driver = driver;
        this.server = server;
        this.database = database;
        this.user = user;
        this.password = password;

        this.status = 0;
    }

    getConnection(){
        this.status = 1;
        return this.driver + "://server=" +this.server+ ";database=" +this.database +";user="+this.user+ ";password="+this.password;
    }

    close(){
        this.status = 0;
    }

}


let protoConnection = new Connection("engine","localhost","beerDB","sa","123456");
console.log({...protoConnection})

let connectionMysqlPrototype = new Connection("mysql","localhost","beerDB","sa","123456");

let connectionSQLServer = new ConnectionPrototype(protoConnection);
connectionSQLServer.driver = "SQLServer";
let connectionMysql = new ConnectionPrototype(connectionMysqlPrototype);

console.log(connectionSQLServer);
console.log(connectionMysql);

console.log(connectionSQLServer.getConnection());