//Adaptee
class StringList {
    rows: string[] = []

    //SpecificRequest()
    getString() {
        return this.rows.join("\n")
    }

    add(value: string) {
        this.rows.push(value)
    }
}

//Adapter
class TextAdapter {
    rowList: StringList

    constructor(rowList: StringList) {
        this.rowList = rowList
    }

    //Request()
    getText() {
        return this.rowList.getString()
    }
}

function getTextAdapter() {
    let rowList = new StringList()
    let adapter = new TextAdapter(rowList)

        rowList.add("line 1")
    rowList.add("line 2")
    return adapter
}

//Client
let adapter = getTextAdapter()
let text = adapter.getText()
//text: line 1
//      line 2
console.log(`text:\n${text}`)