Breaking the eggshell: From .NET to Node.js

May 28, 2015Download as PPTX, PDF1 like1,065 views

This document provides an overview of moving from .NET development to Node.js development. It discusses why Node.js is popular, including being platform independent, scalable, faster, and lightweight. It then covers setting up a Node.js development environment, building a sample web application with Express, interacting with databases like MySQL, and testing and debugging Node.js applications. The objectives are to introduce Node.js concepts, show how to create a basic application, and discuss Node.js maintenance activities like testing and debugging.

Breaking the eggshell: From .NET
to Node.js
Barbara Fusinska
@basiafusinska
barbarafusinska.com

Agenda
• When, why & what?
• But… Windows
• Application building crash course
– Development environment setup
– Creating the web application
– Async library
– Working with databases
• Managing the application
– Testing
– Debugging

What is Node.js?
An open-source platform built
on JavaScript runtime that
uses an event-driven,
non-blocking I/O model for
easily creating lightweight
server-side and networking
applications.

Why is it so cool?
• Platform independent
• Scalable
• Faster
• Lightweight
• Optimised

JavaScript
If you still don't think JavaScript
has won the web, please read on.
Is JavaScript tragically important?
Any application that can be written in
JavaScript will eventually be written in
JavaScript
It’s a cancer (Node.js)

Prototype approach support
• Easy onboard
• Simple programming
model
• Simple solution that
works

How to choose?
• CLR – multithreaded engine, CPU heavy
operations
• Node.js – single thread, leightweight I/O
heavy systems, async everything

Community
• .NET – well established,
Patterns & Practices
• Node.js – considered
simpler, just works

But… Windows
• Node runs on Windows
• Node can run inside IIS
• Node can run on Windows Azure
• Cross-platform handling:
– VM
– Containers

Package Management
• NuGet -> npm
• .nuget/packages.config
-> packages.json
• packages ->
nodes_modules

Development environment
• IDE
• Running the app
• Organising the project
• Dependencies

Task runners
• Why? -> automation
• What?:
– Tests
– Building css files
– Loading libraries
– Running
– Deployment

How
API Web App
GET api/events
POST api/events/:username

Creating web app
ASP.NET MVC,
WebAPI
Express
Razor
SignalR
Vash.js
Socket.io

Databases
• MongoDB
• Cassandra
• CouchDB
• ElasticSearch
• Redis
• PostgreSQL
• MySql
• MS Sql Server
• Oracle

Testing
• Testing
– Jasmine
– Mocha
– Expresso (no longer maintained)
– Should
– Karma
• Mocks
– Sinon
– Mock
– NodeMock

Summary
• Why consider Node.js?
• Introduction
– Development environment
– Building the application
– Node concepts
– Maintenance

Questions?
Barbara Fusinska
@basiafusinska
barbarafusinska.com
https://github.com/BasiaFusinska/FromNet2Node

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