🗒️ Notes App (Node.js CLI)

A simple and elegant command-line application for managing notes.
Built using Node.js, with support from yargs for argument parsing, chalk for colored output, and native fs for file operations.

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⚙️ Features

• ➕ Add new notes via terminal
• ❌ Remove notes by title
• 📃 List all notes in storage
• 🔍 Read a specific note
• 🚫 Prevents duplicate titles
• 💾 Saves notes in notes.json file (local JSON DB)

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📁 Project Structure

node-course/
├── notes-app/
│   ├── app.js              # Main CLI entry point (with yargs setup)
│   ├── notes.js            # Core logic for add, remove, list, read
│   ├── notes.json          # Stores all notes locally (acts as a DB)
│   ├── utils.js            # Optional utilities
│   ├── package.json        # Dependencies and metadata
│   └── node_modules/       # Installed npm packages
├── playground/
│   ├── 1-json.js
│   ├── 1-json.json
│   ├── 2-arrow-function.js
│   └── 3-arrow-challenge.js

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🚀 Getting Started

📦 Install dependencies

npm install

▶️ Run the CLI

node app.js <command> [options]

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💡 Available Commands

➕ Add a Note

node app.js add --title="Shopping" --body="Buy milk and bread"

❌ Remove a Note

node app.js remove --title="Shopping"

📃 List All Notes

node app.js list

🔍 Read a Specific Note

node app.js read --title="Shopping"

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📚 Dependencies

Package	Purpose
yargs	For parsing command-line arguments
chalk	For styled and colored terminal output
Built-in fs	Node’s file system module for reading and writing files

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🧪 Playground Folder

The playground/ folder is used for practice and testing.

It contains:

• 📄 JSON parsing examples (1-json.js, 1-json.json)
• 🏹 Arrow function challenges (2-arrow-function.js, 3-arrow-challenge.js)

These files are not part of the main app logic.

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✅ TODO

• Add note editing/updating feature
• Add timestamps for each note
• Export notes to .txt or .md
• Support tags or categories

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💬 This project is ideal for Node.js beginners practicing modules, JSON, command-line tools and basic file handling.