index.js

#!/usr/bin/env node

var inquirer = require('inquirer');

const check = require('./check');

var questions = [
    {
        type: 'input',
        name: 'plate',
        message: "What is the vehicle's plate number?",
    },
    {
        type: 'input',
        name: 'vin',
        message: "What is the vehicle's VIN number?",
    },
    {
        type: 'input',
        name: 'year',
        message: "What's the first registration year?",
        validate: year => {
            if (year > 1769 && year < new Date().getFullYear()) {
                return true;
            }

            return 'Please enter a valid year.';
        },
    },
];

(async function() {
    const { plate, vin, year } = await inquirer.prompt(questions);
    await check(plate, vin, year);
})();