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Advanced State Management Patterns with React

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Francesco Strazzullo (AKA Strazz) @TheStrazz86 (Follow me on Twitter!) Ego Slide

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WE DEVELOP DIGITAL PROJECT TOGETHER WITH YOU.

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http://frameworklessmovement.org/

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https://www.apress.com/it/book/9781484249666 Use “TheStrazz” discount code

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Source Code for the Workshop https://github.com/ideatosrl/reactjs-advanced-state-management-workshop

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Why are you here?

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What is “State Management”?

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“State management refers to the management of the state of one or more user interface controls such as text fields, OK buttons, radio buttons, etc. in a graphical user interface.” Wikipedia

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React State API

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What’s Wrong with that?

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What is the best State Management Pattern?

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Bring out tradeoffs

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Framework Compass Chart

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Model View Controller

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“Trygve Reenskaug introduced MVC into Smalltalk-79 while visiting the Xerox Palo Alto Research Center (PARC) in the 1970s.” Wikipedia

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Reactive Programming (or I learned the real meaning of reactive programming…)

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Reactive Manifesto

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Responsive, Resilient, Elastic, Message Driven

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“In computing, reactive programming is a programming paradigm oriented around data flows and the propagation of change.” Wikipedia

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RxJS

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Let’s try with an example

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const a = b + c;

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=B1+C1

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Is React Reactive?

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MobX

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“MobX is a battle tested library that makes state management simple and scalable by transparently applying functional reactive programming” MobX Getting Started

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MobX helps you observe your Model

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Event Bus

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Redux

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“A Predictable State Container for JS Apps” redux.js.org

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Redux Cheatsheet Event = Action Model = Reducers Event Bus = Store

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Thanks! Francesco Strazzullo [email protected]