A Practical Guide to Redux Form

The author of Redux Form gives an introduction to forms in React and how to build forms with Redux Form.

Most of the good stuff was in the live demo, unfortunately... ☹️

The code can be found here: https://github.com/erikras/reactalicante2017

Transcript

1. September 2017 A practical guide to Redux Form Erik Rasmussen
2. Thanks to our sponsors!
3. codesponsor.io
4. FORMS the hardest problem in front-end web development Photo by Tim Gouw on Unsplash
5. Why are forms so hard? • Much more back and forth communication with the user • The rate of state change is much higher • Validation • Asynchronous network communication
6. Good News Bad News ☹
7. React
8. React
9. Unidirectional Data Flow • Data flows down from parent to child components • A parent never asks its child for its state • A child can only update state by calling a callback that its parent gave it.
10. Unidirectional Form Data Flow • User types into an input, which... • Dispatches an event, which... • Updates the value in some canonical data store, which... • Causes the input to be re-rendered with the new value.
16. Component Tree
17. Component Tree
18. Component Tree
19. Redux
20. Redux Form
21. Redux Form consists of: • A single reducer • A higher order form component • A Field component • A smattering of other useful components and Redux selectors
22. LIVE CODING Photo by Dawn Armfield
23. Redux Form Downloads
24. redux-form.com @erikras Thank you! ¡Muchísimas gracias! @ReduxForm