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All LessonsFree Lessons (5)

What Is Deno?

Introduction Performance and Resource Efficiency Blocking vs. Non-blocking Mode Why Deno?Architectures and Technologies that Support Deno Deno's Limitations Exploring the Deno Use Cases Summary of What Is Deno?Quiz on the Basic of Deno

The Toolchain

First Program with Deno Debugging Code in Deno Modules and Third-Party Dependencies Managing Dependencies Exploring Documentation Running and Installing Scripts Permissions Using the test Command Formatting and Linting Bundling and Compiling Code Summary of the Toolchain Quiz on Deno’s Toolchain Challenge: Deno Formatting, Permissions, and Testing Solution: Deno Formatting, Permissions, and Testing

The Runtime and Standard Library

Introduction to the Runtime and Standard Library Deno Runtime Exploring the Deno Namespace The Filesystem APIs Buffers Using the Standard Library Part 1: Building a Web Server Using the HTTP Module Part 2: Building a Web Server Using the HTTP Module Serving the Frontend Summary of the Runtime and Standard Library Quiz on Deno Runtime and the Standard Library Challenge: The Deno Runtime and Standard Library Solution: The Deno Runtime and Standard Library

Building a Web Application

Introduction to Building a Web Application Structuring a Web Application Understanding Folder Structure and Application Architecture Developing the Business Logic Developing the Data Accessing Logic Creating the Web Server Exploring Deno HTTP Frameworks: Drash and Servest Exploring Deno HTTP Frameworks: Oak and Alosaur Summary of Building a Web Application Quiz on Building a Web Application Challenge: Building a Web App Solution: Building a Web Application

Adding Users and Migrating to Oak

Introduction to Oak as a Middleware Framework Managing Dependencies and Lock Files Writing a Web Server with Oak Handling Routes in an Oak Application Adding Users to the Application Storing a User in the Database Creating the Register Endpoint Summary of Adding Users and Migrating to Oak Quiz on Adding Users and Migrating to Oak Challenge: Adding Users and Migrating to Oak Solution: Adding Users and Migrating to Oak

Adding Authentication and Connecting to the Database

Introduction to Authentication Using Middleware Functions Adding Request Logging via Middleware Adding Authentication Creating the Login Endpoint Adding Authorization with JWTs Making an Authenticated Route Connecting to MongoDB Developing the MongoDB Repository Connecting to a MongoDB Cluster Summary of Adding Authentication and Connecting to the Database.Quiz on Adding Authentication and Connecting to the Database Challenge: Adding Authentication Solution: Adding Authentication

HTTPS, Extracting Configuration, and Deno in the Browser

Introduction to Extracting Configurations

Enabling CORS and HTTPS

Extracting Configuration and Secrets

Accessing Secret Values

Run Deno Code in the Browser

Summary of HTTPS, Extracting Configuration, and Deno in the Browser

Quiz on HTTPs, Extracting Configuration, and Deno in the Browser

Challenge: Enabling CORS

Solution: Enabling CORS

Unit and Integration Testing

Introduction to Testing Writing Our First Test in Deno Writing an Integration Test Testing the Web Server Creating Integration Tests for the Application Testing the Application with the API Client Benchmarking Parts of the Application Summary of Unit and Integration Testing Quiz on Testing Challenge: Writing an Integration Test Solution: Writing an Integration Test

Deploying a Deno Application using Local Machine

Introduction to Deployment Preparing the Environment for the Application Building and Running the Application in Heroku Configuring the Application for Deployment Getting the Application Port from the Environment Summary of Deploying a Deno Application Using Local Machine

Conclusion

Course Wrap Up Deno's Roadmap Publishing a Package to Deno's Official Registry Summary of Conclusion

Appendix

Installing Deno Set Environment Variables

Deno Web Development/

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Solution: Enabling CORS

Solution: Enabling CORS

Review the solution for the Enabling CORS challenge.

We'll cover the following...

Task 1
Task 2
Task 3

Task 1

Export the oakCors dependency from deno.land in deps.ts using the following code:

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export { oakCors } from "https://deno.land/x/cors@v1.2.1/oakCors.ts";

Task 2

In the src/web/index.ts file, first change the configuration object in the createServerDependency and add allowedOrigins: string[]. Next, update the ...