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Deno Web Development

You're reading from   Deno Web Development Write, test, maintain, and deploy JavaScript and TypeScript web applications using Deno

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Product type Paperback
Published in Mar 2021
Publisher Packt
ISBN-13 9781800205666
Length 310 pages
Edition 1st Edition
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Authors (2):
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Alexandre Santos Alexandre Santos
Author Profile Icon Alexandre Santos
Alexandre Santos
Alexandre Portela dos Santos Alexandre Portela dos Santos
Author Profile Icon Alexandre Portela dos Santos
Alexandre Portela dos Santos
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Toc

Table of Contents (15) Chapters Close

Preface 1. Section 1: Getting Familiar with Deno
2. Chapter 1: What is Deno? FREE CHAPTER 3. Chapter 2: The Toolchain 4. Chapter 3: The Runtime and Standard Library 5. Section 2: Building an Application
6. Chapter 4: Building a Web Application 7. Chapter 5: Adding Users and Migrating to Oak 8. Chapter 6: Adding Authentication and Connecting to the Database 9. Chapter 7: HTTPS, Extracting Configuration, and Deno in the Browser 10. Section 3: Testing and Deploying
11. Chapter 8: Testing – Unit and Integration 12. Chapter 9: Deploying a Deno Application 13. Chapter 10: What's Next? 14. Other Books You May Enjoy

Summary

As we go through the book, our knowledge of Deno gets more practical and we start to use it for use cases that are closer to the real world. That was what this chapter was about.

We started the chapter by learning about some fundamental characteristics of the runtime, namely the program lifecycle, and how Deno sees module stability and versioning. We rapidly moved on to the Web APIs provided by Deno by writing a simple program that fetches the Deno logo from the website, converts it to base64, and puts it into an HTML page.

Then, we got into the Deno namespace and explored some of its low-level functionality. We built a couple of examples with the filesystem API and ended up building a rudimentary copy of the ls command with it.

Buffers are things that are heavily used in the Node world, with their capabilities to perform asynchronous read and write behavior. As we know, Deno shares many use cases with Node.js, and that made it impossible to not talk about buffers...

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