import {question} from 'readline-sync'; 를 읽지 못합니다.

npm install --save readline-sync

npm i --save-dev @types/readline-sync

npm i --save-dev @types/node

 

ex)

import {question} from 'readline-sync';

var readlineSync = require("readline-sync");
var firstName = readlineSync.question("First Name:");
console.log("Hi" + firstName);