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React 16 Tooling
book

React 16 Tooling

by Adam Boduch, Christopher Pitt
April 2018
Intermediate to advanced content levelIntermediate to advanced
298 pages
6h 34m
English
Packt Publishing
Content preview from React 16 Tooling

Summary

In this chapter, you learned about why type-checking your React code matters. You also learned about Flow—the tool used to type-check React code. Type-checking is important for React applications because it removes the need to perform runtime checks of values in the majority of cases. This is because Flow is able to statically follow code paths and determine whether everything is being used as intended.

Then, you installed Flow locally to a React application and learned how to run it. Next, you learned the basics of validating property and state values of React components. Then you learned how to validate function types and how to enforce child React component types.

Flow can be used in create-react-app dev server, but you have to ...

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Publisher Resources

ISBN: 9781788835015Supplemental Content