📒 Console Contact Book

A lightweight command-line contact management application built with Node.js. Manage your contacts directly from the terminal — no UI, no fluff.

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Features

• View all saved contacts
• Add a new contact
• Edit an existing contact
• Delete a contact
• Persistent storage via a local JSON file

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Tech Stack

• Runtime — Node.js
• Storage — JSON flat file
• Architecture — MVC (Model / View / Controller)

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Getting Started

Prerequisites

• Node.js v14 or higher

Installation

1. Clone the repository

git clone https://github.com/your-username/console-contact-book.git
cd console-contact-book

2. Install dependencies

npm install

3. Start the application

npm start

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Usage

Once running, you will be presented with a menu:

====================
CONSOLE CONTACT BOOK
====================
Please select:
1. View Contacts
2. Add Contact
3. Delete Contact
4. Edit Contact
5. Close Program
====================

Navigate by entering the number of your desired action and following the prompts.

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Project Structure

console-contact-book/
├── app.js            # Entry point
├── model.js          # Data layer — reads and writes contacts.json
├── view.js           # Presentation layer — console UI and menus
├── controller.js     # Logic layer — handles user input and actions
├── contacts.json     # Persistent contact storage
└── package.json

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Data Format

Contacts are stored in contacts.json in the following format:

[
  {
    "name": "Jane Doe",
    "phone": "10111",
    "email": "jane@example.com"
  }
]

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License

This project is open source and available under the ISC License.