index.js

#! /usr/bin/env node
import inquirer from "inquirer";
let todo = [];
let condition = true;
let main = async () => {
    while (condition) {
        let options = await inquirer.prompt({
            name: "option",
            type: "list",
            message: "please select tha relevant option",
            choices: ["Add Task", "Delete Task", "Update Task", "View Task", "Exit"],
        });
        if (options.option === "Add Task") {
            await addTask();
        }
        else if (options.option === "Delete Task") {
            await viewTask();
            let deleteoption = await inquirer.prompt({
                name: "opt",
                type: "number",
                message: "Enter index number of tha task you want to delete:",
            });
            deleteTask(deleteoption.opt);
        }
        else if (options.option === "Update Task") {
            await updateTask();
        }
        else if (options.option === "View Task") {
            await viewTask();
        }
        else if (options.option === "Exit") {
            condition = false;
        }
        ;
    }
};
//Function to add a new task 
let addTask = async () => {
    let newTask = await inquirer.prompt({
        name: "Task",
        type: "input",
        message: "Enter your new task:",
    });
    todo.push(newTask.Task);
    console.log(`${newTask.Task} added successfully into tha list. `);
};
// Function to delete a task .
let viewTask = async () => {
    console.log("Current  Task:");
    todo.forEach((task, index) => {
        console.log(`${index + 1}: ${task}`);
    });
    console.log(""); // Add a blonk line for separtion
};
//Function to delete a task
let deleteTask = (index) => {
    if (index < 1 || index > todo.length) {
        console.log("invalid index. please enter avalid index.");
        return;
    }
    let deleteTask = todo.splice(index - 1, 1)[0]; // Remove task at specifide index.
    console.log(`${deleteTask} deleted successfully.`);
};
//Function to update a task 
let updateTask = async () => {
    await viewTask();
    let updateTaskIndex = await inquirer.prompt([
        {
            name: "idx",
            type: "number",
            message: "please enter tha index number (1-based) to update task:",
        },
        {
            name: "updateTask",
            type: "input",
            message: "Enter tha new task name:",
        },
    ]);
    let indexToUpdate = updateTaskIndex.idx - 1; // convert 1-based index to zero-based index
    if (indexToUpdate < 0 || indexToUpdate >= todo.length) {
        console.log("Invalid index, please enter avalid index.");
        return;
    }
    todo[indexToUpdate] = updateTaskIndex.updatedTask;
    console.log(`Task at index ${updateTaskIndex.idx} updated successfuly.`);
};
main();