react - redux applications & event sourcing

React applications & Event Sourcing

Maurice de Beijer - @mauricedb

Who am I?• Maurice de Beijer• The Problem Solver• Microsoft Azure MVP• Freelance developer/instructor• Twitter: @mauricedb and @React_Tutorial• Web: http://www.TheProblemSolver.nl• E-mail: maurice.de.beijer@gmail.com

(Semi) Structured storage

Database CRUD Server HTTP Browser

A React component to display data

Command Query Responsibility Segregation

Command Query Responsibility Segregation

Database

Query ServiceHTTP

Browser

Command ServiceHTTP

Read

Update

A command to draft a permit

The JavaScript command

A Redux Action Creator

Event Sourcing

ProjectionsDatabase

Query ServiceHTTP

Browser

Command Service

HTTP

Read

UpdateEventsDatabase

Projector Service

React with Redux

ViewServer

Store

Action

API

Triggers

HTTP

Use

Notifies

Updates

The permit drafted event

Projecting a permit drafted event

The permit collection reducer

The single permit reducer

The React application startup

Connecting the state to the component

Maurice de Beijer - @mauricedb