main.js

import inquirer from "inquirer";
console.log("\n\t---- Welcome to Our Mini Project To Do List ----\n\t");
let todos = [];
let condition = true;
while (condition) {
    let ans = await inquirer.prompt([
        {
            name: "select",
            type: "list",
            message: "Select an operation:",
            choices: ["Add", "Update", "View", "Delete", "Exit"]
        }
    ]);
    if (ans.select === "Add") {
        let addTodo = await inquirer.prompt([
            {
                name: "todo",
                type: "input",
                message: "Add Items In The List:",
                validate: function (input) {
                    if (input.trim() == "") {
                        return "Please Enter A Non-Empty Item.";
                    }
                    return true;
                }
            }
        ]);
        if (addTodo.todo.trim() !== "") {
            todos.push(addTodo.todo);
            console.log("\t---- LIST ITEMS ---- \t");
            todos.forEach(todo => console.log(`\t > ${todo}`));
        }
    }
    if (ans.select === "Update") {
        let updateTodo = await inquirer.prompt([
            {
                name: "todo",
                type: "list",
                message: "update Items In The List:",
                choices: todos.map(item => item)
            }
        ]);
        let addTodo = await inquirer.prompt([
            {
                name: "todo",
                type: "input",
                message: "Add Items In The List:"
            }
        ]);
        let newTodo = todos.filter(val => val !== updateTodo.todo);
        todos = [...newTodo, addTodo.todo];
        console.log("\t---- LIST ITEMS ---- \t");
        todos.forEach(todo => console.log(`\t > ${todo}`));
    }
    if (ans.select === "View") {
        console.log("\t---- LIST ITEMS ---- \t");
        todos.forEach(todo => console.log(`\t > ${todo}`));
    }
    if (ans.select === "Delete") {
        let deleteTodo = await inquirer.prompt([
            {
                name: "todo",
                type: "list",
                message: "Select The Item For Delete:",
                choices: todos.map(item => item)
            }
        ]);
        let newTodo = todos.filter(val => val !== deleteTodo.todo);
        todos = [...newTodo];
        console.log("\t---- LIST ITEMS ---- \t");
        todos.forEach(todo => console.log(`\t > ${todo}`));
    }
    if (ans.select === "Exit") {
        console.log("\n\tExiting Program....\t");
        condition = false;
    }
}
console.log("\n\t---- Thank For Testing Our Project ----\t\n");