index.js

//import required packages
let readlineSync = require('readline-sync');
let chalk = require("chalk");
const log = console.log;

//initialize app variables
let userScore = 0;
let isUserBeatScore = false;

let questions = [
  {
    question: 'What is Anand\'s good name?',
    answer: 'anand'
  },
  {
    question: 'Where did Anand was born?',
    answer: 'simdega'
  },
  {
    question: 'Where does Anand live presently?',
    answer: 'bhubaneswar'
  },
  {
    question: 'Which sport is Anand\'s favourite..?',
    answer: 'cricket'
  },
  {
    question: 'what does Anand like to do in spare time..?',
    answer: 'reading'
  }
];

let highScores = [
  {
    name: "Raj",
    score: 9
  },
  {
    name: "Gorab",
    score: 8
  },
  {
    name: "Rahul",
    score: 5
  }
];

//welcome user
function welcome() {
  let userName = readlineSync.question(chalk.white.bgBlue.bold('May i know your name please..?'));
  log(chalk.magenta(`\nWelcome ${userName}, let's see how well DO YOU KNOW ANAND..?`));

  //let user know rules
  log(chalk.bgMagenta.bold("\nRules: "));
  log(chalk.bgBlue("1. There are a total of 5 questions. All are compulsory."));
  log(chalk.bgBlue("2. Each right answer will give you 2 points."));
  log(chalk.bgBlue("3. 1 point will be deducted for each wrong answers.\n\n"));

  readlineSync.questionInt(chalk.white.bgBlue.bold('Enter any number to start quiz!'));
  console.clear();
}

//execute game
function play(question, answer) {
  let userAnswer = readlineSync.question(chalk.bgBlue(question));
  if (userAnswer.toLocaleLowerCase() === answer) {
    userScore += 2;
    log(chalk.green("\nYou were right!"));
  } else {
    userScore -= 1;
    log(chalk.red("\nYou were wrong!"));
  }
  log("Your current score is " + userScore);
  log(chalk.cyan("*************************\n"));
}

function game() {
  for (let i = 0; i < questions.length; i++) {
    let { question, answer } = questions[i];
    play(question, answer);
  }
}

function showScores() {
  log(chalk.magenta.bgWhite.bold('Check out the high scores: '));
  console.table(highScores);

  highScores.forEach(({ name, score }) => {
    if (userScore > score) isUserBeatScore = true;
  });

  log(chalk.bgMagenta("\n Yay! your highest score is " + userScore));

  if (isUserBeatScore) {
    log(chalk.green("\n Congrats! you made to the leaderboard. your name will be added to leaderboard."));
    log(chalk.yellow("\nJust send me the screenshot of score!"));
  } else {
    log(chalk.red("\n Sorry!! you failed to beat the highest score!\n"));
  }
}

welcome();
game();
showScores();