Leanpub Header

Skip to main content
Go to Leanpub.comLeanpub Store Events Authors Readers Organizations Services

AI with JavaScript & TypeScript: Foundations

OpenAI API, Zod, and LangChain.js

Stop learning Python and start building AI with the tools you already master. Master production-ready AI orchestration using Node.js, LangChain, and type-safe Zod. Bridge the gap between web development and AI Engineering without switching your stack. Start your journey with the Web AI Series and build the next generation of intelligent apps.

Stop learning Python and start building AI with the tools you already master. Master production-ready AI orchestration using Node.js, LangChain, and type-safe Zod. Bridge the gap between web development and AI Engineering without switching your stack. Start your journey with the Web AI Series and build the next generation of intelligent apps.

Minimum price

9ドル.99

19ドル.00

You pay

Author earns

$

Also available for 1 book credit with a Reader Membership

Buying multiple copies for your team? See below for a discount!

EPUB
About
  1. About
  2. Packages
  3. Author
AI with JavaScript & TypeScript: Foundations

About

About the Book

Stop Learning Python. Build AI with the Tools You Already Know.

Are you a JavaScript or TypeScript developer feeling left behind by the AI revolution? Do you think you need to restart your career as a Data Scientist just to build a chatbot?

You don’t.

The future of Artificial Intelligence isn't just about training models; it's about building applications. And for the application layer, JavaScript is king.

Building Intelligent Apps with JavaScript & TypeScript is Volume 1 of the Web AI Series. It is a no-nonsense, theory-first guide designed to transform experienced web developers into AI Engineers using the stack they already love.

In this foundational volume, you will break the Python monopoly. You will learn that Node.js is not just an alternative; it is often the superior choice for high-concurrency, low-latency AI orchestration.

What You Will Master in Volume 1:

  • The Secure Environment: Set up a production-ready Node.js AI environment that handles API keys securely and adheres to modern ECMAScript standards.
  • The OpenAI API Deep Dive: Move beyond simple tutorials. Understand the HTTP contract, master the official SDK, and handle errors and rate limits like a Senior Engineer.
  • Type-Safe AI with Zod: The biggest risk in AI is unpredictable output. Learn to use Zod to enforce strict JSON schemas, turning hallucinating models into reliable structured data generators.
  • Engineering Prompts: Stop guessing. Learn the engineering principles behind System Prompts, Few-Shot learning, and Chain-of-Thought reasoning to control LLM behavior.
  • LangChain.js Foundations: Master the orchestration layer. Learn how to build modular, reusable components (Models, Prompts, Parsers) and link them into executable Chains.

Who This Book Is For:

This book is written for Software Engineers, not researchers. If you know React, Node.js, or TypeScript, you are ready. We focus on architecture, design patterns, and production-readiness.

The ecosystem has changed. You don't need to switch languages to build the next generation of intelligent apps. You just need the right blueprint.

Start your journey into AI Engineering today.

Multiple-choice 200 questions test book avalialble here .

Check also the other books in this series

Team Discounts

Team Discounts

Get a team discount on this book!

  • Up to 3 members

    Minimum price
    24ドル.00
    Suggested price
    47ドル.00
  • Up to 5 members

    Minimum price
    39ドル.00
    Suggested price
    76ドル.00
  • Up to 10 members

    Minimum price
    69ドル.00
    Suggested price
    133ドル
  • Up to 15 members

    Minimum price
    99ドル.00
    Suggested price
    190ドル
  • Up to 25 members

    Minimum price
    149ドル
    Suggested price
    285ドル

Author

About the Author

Edgar Milvus

A veteran software engineer with 20 years of experience, I have dedicated my career to the art of automation. My philosophy is simple: programming should eliminate repetitive chores to unlock human creativity. This journey began early on with the development of custom code-generation tools and has evolved into a deep mastery of LLMs and their APIs. Today, I specialize in architecting AI-driven solutions that handle everything from complex coding and security tasks to advanced knowledge retrieval, transforming the way we interact with technology

The Leanpub 60 Day 100% Happiness Guarantee

Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.

See full terms...

Earn 8ドル on a 10ドル Purchase, and 16ドル on a 20ドル Purchase

We pay 80% royalties on purchases of 7ドル.99 or more, and 80% royalties minus a 50 cent flat fee on purchases between 0ドル.99 and 7ドル.98. You earn 8ドル on a 10ドル sale, and 16ドル on a 20ドル sale. So, if we sell 5000 non-refunded copies of your book for 20ドル, you'll earn 80,000ドル.

(Yes, some authors have already earned much more than that on Leanpub.)

In fact, authors have earned over 15ドル million writing, publishing and selling on Leanpub.

Learn more about writing on Leanpub

Free Updates. DRM Free.

If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).

Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.

Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.

Learn more about Leanpub's ebook formats and where to read them

Write and Publish on Leanpub

You can use Leanpub to easily write, publish and sell in-progress and completed ebooks and online courses!

Leanpub is a powerful platform for serious authors, combining a simple, elegant writing and publishing workflow with a store focused on selling in-progress ebooks.

Leanpub is a magical typewriter for authors: just write in plain text, and to publish your ebook, just click a button. (Or, if you are producing your ebook your own way, you can even upload your own PDF and/or EPUB files and then publish with one click!) It really is that easy.

Learn more about writing on Leanpub

AltStyle によって変換されたページ (->オリジナル) /