NgRx 101 Connect.Tech 2019
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A quick introduction to NGRX to understand the core concepts of this Angular tool. This talk was part from Connect.Tech 2019 event in Atlanta, Georgia - https://connect.tech/
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If you’re not new to the tech world, you might know the importance of frontend frameworks and libraries in web development and how their ecosystem is evolving rapidly. In order to walk at the same pace, businesses adopt new tools along with different libraries and frameworks available to choose from. But there is no shadow of a doubt the urge to stay updated leads them to a big dilemma of which technology would be perfect for building their desired digital solutions. In this blog, we will discuss in detail why React is an incredible choice for web app development.
No matter whether it is a high-performing responsive website or a web-based application, using libraries is crucial. React or ReactJS can smooth the way for you. It is one such frontend web development tool that 10.2 million websites worldwide are using. Today, software engineers worldwide are interested in learning this hottest skill. Not only this but a lot of demand for React developers has also been noticed among startups and MNCs in recent years. But why?
Why is there a lot of buzz around React? What is ReactJS? What are the skills required to learn this tech? How much time would it take to become a pro in React? Well, if such questions hit your head, it’s time to go through this blog post.
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reactJS
This document provides an introduction to React.js, including:
- React is a JavaScript library for building user interfaces and was developed by Facebook. It is the VIEW component in MVC architecture.
- Key features and benefits of React include being fast, modular, scalable, flexible, and popular due to its employability. Large companies like Facebook use React.
- Core concepts of React include JSX, components, unidirectional data flow, and the virtual DOM which improves performance compared to traditional frameworks. Components are reusable pieces that make up the entire application.
Learn Stateful and Stateless components in ReactJS
ReactJS, known simply as React, is an open-source JavaScript library that is ideal for developing user interfaces, specifically for single-page applications. It empowers developers to create reusable UI components, which makes developing complex UIs more manageable and efficient. But who is it for, exactly?
The Ultimate Guide to ReactJS Components.pdf
React.js is in high demand due to its efficient performance, reusable components, large community and ecosystem, flexibility and scalability, endorsement by Facebook, and mobile app development capabilities using React Native.
So, grow your knowledge and increase your knowledge and become a master in React Js.
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This Presentation is a short tutorial on the technology of ReactJs.
ReactJs is a front end technology which helps in building faster and efficient UI.
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Comment gérer efficacement l'état de son Application Angular?
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- 2. Sergio Brito Instructor @ LinkedIn Learning Consultant @ Xebia Senior Developer @ Delta Airlines Full stack developer whoami /~ @yacaFx
- 3. Sergio Brito sergiobritor@gmail.com 49ers Fan Football player Traveler Foodporn Movies / Netflix Bike whoami /~ @yacaFx
- 4. RxJS Reactive Extensions Library for JavaScript NgRx Reactive State for Angular
- 6. “NgRx provides state management for creating maintainable explicit applications, by storing single state and the use of actions in order to express state changes.”
- 7. Say What?
- 8. + =
- 11. THREE PRINCIPLES Single source of truth State is read-only Changes are made with pure functions
- 12. THREE PRINCIPLES Single source of truth The state of your whole application is stored in an object tree within a single store.
- 13. THREE PRINCIPLES State is read-only The only way to change the state is to emit an action, an object describing what happened.
- 14. THREE PRINCIPLES Changes are made with pure functions To specify how the state tree is transformed by actions, you write pure reducers.
- 16. NGRX IS NOT GREAT FOR MAKING SIMPLE THINGS QUICKLY. NGRX IT'S GREAT FOR MAKING REALLY HARD THINGS SIMPLE. Jani Eväkallio @jevakallio
- 17. BENEFITS • Centralized immutable state • Improve the view performance • More easy to write test • Pure functions are more simple to test • Tooling • Redux DevTools • Component communication
- 20. DESIGN PATTERNS Aircraft pilots don’t talk to each other directly when deciding who gets to land their plane next.All communication goes through the control tower.
- 22. Placing orders by phone. DESIGN PATTERNS
- 24. • Shared: state that is accessed by many components and services. • Hydrated: state that is persisted and rehydrated from external storage. • Available: state that needs to be available when re-entering routes. • Retrieved: state that must be retrieved with a side-effect. • Impacted: state that is impacted by actions from other sources. DO I NEED NGRX? SHARI principle
- 25. Q&A