Event-Sourcing your React-Redux applications

Maurice de Beijer - @mauricedb

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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

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(Semi) Structured storage

Database CRUD Server HTTP BrowserReact

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A React component to display data

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Command Query Responsibility Segregation

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Command Query Responsibility Segregation

Database

Query Service HTTPBrowser

React

Command ServiceHTTP

Read

Update

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The JavaScript command

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A Redux Action Creator

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Event Sourcing

ProjectionsDatabase

Query Service HTTP

BrowserReact

Command Service

HTTP

Read

UpdateEventsDatabase

Projector Service

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Event PushingProjectionsDatabase

Query Service HTTP

BrowserReact

Command Service

HTTP

Read

UpdateEventsDatabase

Projector Service

Push Service

Web So

cket

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React with Redux

View

Server

Store

ActionAPITriggers

HTTPUse

Notifies

Updates

Socket

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The permit collection reducer

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The single permit reducer

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The React application startup

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Connecting the state to the component

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36Maurice de Beijer - @mauricedb