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You're reading from  React and React Native - Fifth Edition

Product typeBook
Published inApr 2024
Reading LevelBeginner
PublisherPackt
ISBN-139781805127307
Edition5th Edition
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Authors (2):
Mikhail Sakhniuk
Mikhail Sakhniuk
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Mikhail Sakhniuk

Mikhail Sakhniuk is Software Engineer with high proficiency in JavaScript, React and React Native. He has more than 5 years of experience in developing web and mobile applications. He has worked for startups, fintech companies, and product companies with more than 20 million users. Currently, Mikhail is working at Miro as a Frontend Engineer. In addition, he owns and maintains a few open-source projects. He also shares his experience and knowledge through books and articles.
Read more about Mikhail Sakhniuk

Adam Boduch
Adam Boduch
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Adam Boduch

Adam Boduch has been involved in large-scale JavaScript development for nearly 15 years. Before moving to the frontend, he worked on several large-scale cloud computing products using Python and Linux. No stranger to complexity, Adam has practical experience with real-world software systems and the scaling challenges they pose.
Read more about Adam Boduch

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Using the lazy API

There are two pieces involved with using the lazy() API in React. First, there’s bundling components into their own separate files so that they can be downloaded by the browser separately from other parts of the application. Second, once you have created the bundles, you can build React components that are lazy: they don’t download anything until they are needed. Let’s look at both of these.

Dynamic imports and bundles

The code examples in this book use the Vite tooling for creating bundles. The nice thing about this approach is that you don’t have to maintain any bundle configuration. Instead, bundles are created for you automatically, based on how you import your modules. If you’re using the plain import statement (not to be confused with the import method) everywhere, your app will be downloaded all at once in one bundle. When your app gets bigger, there will likely be features that some users never use or don’...

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React and React Native - Fifth Edition
Published in: Apr 2024Publisher: PacktISBN-13: 9781805127307

Authors (2)

author image
Mikhail Sakhniuk

Mikhail Sakhniuk is Software Engineer with high proficiency in JavaScript, React and React Native. He has more than 5 years of experience in developing web and mobile applications. He has worked for startups, fintech companies, and product companies with more than 20 million users. Currently, Mikhail is working at Miro as a Frontend Engineer. In addition, he owns and maintains a few open-source projects. He also shares his experience and knowledge through books and articles.
Read more about Mikhail Sakhniuk

author image
Adam Boduch

Adam Boduch has been involved in large-scale JavaScript development for nearly 15 years. Before moving to the frontend, he worked on several large-scale cloud computing products using Python and Linux. No stranger to complexity, Adam has practical experience with real-world software systems and the scaling challenges they pose.
Read more about Adam Boduch