vendingm/index.js

This is a Vending Machine type module. If you want to change or add stuff to the Vending machine list then do "VM.machine.push({name : 'string', price : number})". That will add an item. To change an item do "VM.machine[INSERT_THE_ARRAY_NUMBER].name/price

const chalk = require('chalk')
const readline = require('readline')
const rl = readline.createInterface({
     input: process.stdin,
     output: process.stdout
})

let VM = {
     machine: [
          {
               name: 'example',
               price: 100
          }
     ],
     money: 100000000,
     func: () => {
          VM.machine.forEach((el, i) => {
               console.log(chalk.whiteBright(`${i + 1}: ${el.name}, ${el.price}`))
          });
          rl.question(chalk.whiteBright(`Pick one`), (choice) => {
               if (choice <= 0) {
               } else {
                    choice--;
               }
               const tell = (name, price) => {
                    VM.money -= price;
                    console.log(chalk.greenBright(`You have bought ${name}. Your balance ${VM.money}`))
                    rl.close();
               }
               VM.machine.forEach((el, i) => i == choice ? VM.money >= el.price ? tell(el.name, el.price) : console.log(chalk.redBright(`Not enough money`)) : 0);
          })
     },
     random : (limit, tf) => {
          Number(limit);
          if (tf == true) {
               return Math.floor(Math.random() * limit)
          } else {
               if (tf == false) {
                    return Math.random() * limit
               } else {
                    console.log(chalk.redBright(`Err: Use false or true.`))
               }
          }
     },
}

module.exports = VM