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Node.js Web Development

You're reading from   Node.js Web Development Server-side web development made easy with Node 14 using practical examples

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Product type Paperback
Published in Jul 2020
Publisher Packt
ISBN-13 9781838987572
Length 760 pages
Edition 5th Edition
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Author (1):
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David Herron David Herron
Author Profile Icon David Herron
David Herron
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Table of Contents (19) Chapters Close

Preface 1. Section 1: Introduction to Node.js
2. About Node.js FREE CHAPTER 3. Setting Up Node.js 4. Exploring Node.js Modules 5. HTTP Servers and Clients 6. Section 2: Developing the Express Application
7. Your First Express Application 8. Implementing the Mobile-First Paradigm 9. Data Storage and Retrieval 10. Authenticating Users with a Microservice 11. Dynamic Client/Server Interaction with Socket.IO 12. Section 3: Deployment
13. Deploying Node.js Applications to Linux Servers 14. Deploying Node.js Microservices with Docker 15. Deploying a Docker Swarm to AWS EC2 with Terraform 16. Unit Testing and Functional Testing 17. Security in Node.js Applications 18. Other Books You May Enjoy

Storing notes with the LevelDB datastore

To get started with actual databases, let's look at an extremely lightweight, small-footprint database engine: level. This is a Node.js-friendly wrapper that wraps around the LevelDB engine and was developed by Google. It is normally used in web browsers for local data persistence and is a non-indexed, NoSQL datastore originally designed for use in browsers. The Level Node.js module uses the LevelDB API and supports multiple backends, including leveldown, which integrates the C++ LevelDB database into Node.js.

Visit https://www.npmjs.com/package/level for information on this module.

To install the database engine, run the following command:

$ npm install [email protected] --save

This installs the version of level that the following code was written against.

Then, create the models/notes-level.mjs module, which will contain the AbstractNotesStore implementation:

import util from 'util';
import { Note, AbstractNotesStore } from './Notes...
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