NodeJS FizzBuzz

fizzbuzz.js

'use strict';

process.stdin.resume();
process.stdin.setEncoding('utf-8');

let inputString = '';
let currentLine = 0;

process.stdin.on('data', function(inputStdin) {
    inputString += inputStdin;
});

process.stdin.on('end', function() {
    inputString = inputString.split('\n');

    main();
});

function readLine() {
    return inputString[currentLine++];
}



/*
 * Complete the 'fizzBuzz' function below.
 *
 * The function accepts INTEGER n as parameter.
 */

function fizzBuzz(n) {
    // Write your code here
    let i = 0;
    
    while (n > i++) {
        let output;
        
        if (i % 3 === 0) {
            output = 'Fizz'
        }
        if (i % 5 === 0) {
            output = output ? output + 'Buzz': 'Buzz';
        }
        
        console.log(output || i);
    }
}

function main() {
    const n = parseInt(readLine().trim(), 10);

    fizzBuzz(n);
}