index.js

#! /usr/bin/env node
import inquirer from "inquirer";
import chalk from "chalk";
import chalkAnimation from "chalk-animation";
import { add, sub, mul, div } from "./math.js";
const sleep = () => {
    return new Promise((res) => {
        setTimeout(res, 2000);
    });
};
async function welcome() {
    let rainbowTitle = chalkAnimation.rainbow('Lets Start Calculation'); //start
    await sleep();
    rainbowTitle.stop();
    console.log(`\n    _______________________ 
    |  _________________  |
    | | JO           0. | |
    | |_________________| |
    |  ___ ___ ___   ___  |
    | | 7 | 8 | 9 | | + | |
    | |___|___|___| |___| |
    | | 4 | 5 | 6 | | - | |
    | |___|___|___| |___| |
    | | 1 | 2 | 3 | | x | |
    | |___|___|___| |___| |
    | | . | 0 | = | | / | |
    | |___|___|___| |___| |
    |_____________________|\n`);
}
;
await welcome();
async function askques() {
    const ans = await inquirer
        .prompt([
        {
            type: "list",
            name: "operator",
            message: "Which operation you want to perform? \n",
            choices: ["Addition", "Subtraction", "Multiplication", "Division"]
        },
        {
            type: "number",
            name: "num1",
            message: "Enter Number 1:"
        },
        {
            type: "number",
            name: "num2",
            message: "Enter Number 2:"
        }
    ])
        .then((answers) => {
        //   console.log(answers);
        if (answers.operator == "Addition") {
            console.log(chalk.green(`Answer is: ${add(answers.num1, answers.num2)}`));
        }
        else if (answers.operator == "Subtraction") {
            console.log(chalk.red(`Answer is: ${sub(answers.num1, answers.num2)}`));
        }
        else if (answers.operator == "Multiplication") {
            console.log(chalk.blueBright(`Answer is: ${mul(answers.num1, answers.num2)}`));
        }
        else if (answers.operator == "Division") {
            console.log(chalk.gray(`Answer is: ${div(answers.num1, answers.num2)}`));
        }
    });
}
;
//askques();
async function startAgain() {
    do {
        await askques();
        var again = await inquirer
            .prompt({
            type: "input",
            name: "restart",
            message: "\nDo you want to continue? Press Y or N\n"
        });
    } while (again.restart == 'Y' || again.restart == 'y' || again.restart == 'yes' || again.restart == 'YES' || again.restart == 'Yes');
}
startAgain();