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React 16 Essentials

You're reading from   React 16 Essentials A fast-paced, hands-on guide to designing and building scalable and maintainable web apps with React 16

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Product type Paperback
Published in Nov 2017
Publisher
ISBN-13 9781787126046
Length 240 pages
Edition 2nd Edition
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Authors (3):
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Christopher Pitt Christopher Pitt
Author Profile Icon Christopher Pitt
Christopher Pitt
Artemij Fedosejev Artemij Fedosejev
Author Profile Icon Artemij Fedosejev
Artemij Fedosejev
Adam Boduch Adam Boduch
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Adam Boduch
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Table of Contents (14) Chapters Close

Preface 1. What's New in React 16 FREE CHAPTER 2. Installing Powerful Tools for Your Project 3. Creating Your First React Element 4. Creating Your First React Component 5. Making Your React Components Reactive 6. Using Your React Components with Another Library 7. Updating Your React Components 8. Building Complex React Components 9. Testing Your React Application with Jest 10. Supercharging Your React Architecture with Flux 11. Preparing Your React Application for Painless Maintenance with Flux 12. Refining Your Flux Apps with Redux Index

Refactoring the TweetList component


The TweetList component renders a list of tweets. Each tweet is a Tweet component that a user can click on to remove it from a collection. Does it sound to you like it could make use of CollectionActionCreators?

That’s right. Let’s add the CollectionActionCreators module to it:

import CollectionActionCreators from ‘../actions/CollectionActionCreators’;

Then, we’ll create the removeTweetFromCollection() callback function that will be called when a user clicks on a tweet image:

removeTweetFromCollection = tweet => {
  CollectionActionCreators.removeTweetFromCollection(tweet.id);
}

As you can see, it creates a new action using the removeTweetFromCollection() function by passing the tweet ID as an argument to it.

Finally, we need to make sure that removeTweetFromCollection() is actually called. In the getTweetElement() method, find the following line:

const { tweets, onRemoveTweetFromCollection } = this.props;

Now replace it with the following code:

const { tweets...
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