programming-challenges/challenges/hello-world/solutions/javascript/function/solution.js

import readline from 'readline'

const input = []
const readlineInterface = readline.createInterface({
  input: process.stdin,
  output: process.stdout
})
readlineInterface.on('line', (value) => {
  input.push(value)
})
readlineInterface.on('close', solution)

function solution() {
  console.log(`Hello, ${input[0]}!`)
}