Node CRUD API

A lightweight RESTful API built with pure Node.js, without using any frameworks, to perform basic CRUD (Create, Read, Update, Delete) operations for user management.

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🚀 Features

• ✅ Create users
• 📋 List users (with optional filtering by name or email)
• ✏️ Update user information
• 🗑️ Delete users

All data is stored in a local db.json file.

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📁 Project Structure

node-crud-api/ │ ├── db.json # JSON file used as database ├── server.js # HTTP server setup ├── routes.js # API route definitions ├── database.js # Database class with CRUD methods │ ├── middlewares/ │ └── json.js # JSON body parser middleware │ ├── utils/ │ ├── build-route-path.js # Utility to build RegEx for dynamic routes │ └── extract-query-params.js # Extracts query parameters from URL

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🧑‍💻 How to Run

1. Clone the repository: bash git clone git@github.com:andredevic/node-crud-api.git cd node-crud-api

2. Start the project with Node.js: bash node src/server.js The server will be running at http://localhost:3333.

📬 Request Examples

🔹 Create User POST /users JSON Request Body: { "name": "Ana Souza", "email": "ana@example.com" } 📡 Response: 201 Created

🔹 List Users GET /users

List all users: GET /users

Search by name or email: GET /users?search=ana 📡 Example Response: [ { "id": "uuid", "name": "Ana Souza", "email": "ana@example.com" } ]

🔹 Update User PUT /users/:id Request Body: { "name": "Ana Beatriz", "email": "ana.beatriz@example.com" } 📡 Response: 204 No Content

🔹 Delete User DELETE /users/:id 📡 Response: 204 No Content

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🧠 Key Concepts Pure Node.js (no Express or frameworks)

Native http module to create the server

File handling using fs/promises

Dynamic route handling with RegEx

Custom JSON body parsing middleware

Extracting route and query parameters with RegEx

Simple persistence using db.json

Code modularization with ESModules (import/export)

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🪪 License This project is licensed under the MIT License. See the LICENSE file for more details.

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✨ Author Made with ❤️ by André Ferreira