h5686-simple-calculator/index.ts

A simple calculator with typescript , nodejs and inquirer

#! /usr/bin/env node

// CLI Calculator Application Development

import inquirer from "inquirer";

const answer = await inquirer.prompt([
  { message: "Enter First Number", type: "number", name: "firstNumber" },
  { message : "Enter Second Number", type: "number", name: "secondNumber"},
  {
    message: "Select one of the operator to perform operation",
    type: "list",
    name: "operator",
    choices: ["Addition", "Subtraction", "Multiplication", "Division"]
  },
]);
// Conditional Statements

if (answer.operator === "Addition"){
    console.log(answer.firstNumber + answer.secondNumber); 
}else if (answer.operator === "Subtraction"){
    console.log(answer.firstNumber - answer.secondNumber);    
}else if (answer.operator === "Multiplication"){
    console.log(answer.firstNumber * answer.secondNumber);    
}else if (answer.operator === "Division"){
    console.log(answer.firstNumber / answer.secondNumber);    
}else {
    console.log("Please select valid number!")
}