How to Submit and Close a Modal Window in React with Hook Form and TypeScript

Learn how to successfully submit and close a modal window using React, React-Hook-Form, and TypeScript by following this easy step-by-step guide!
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This video is based on the question https://stackoverflow.com/q/72481024/ asked by the user 'Sergio D. Gimenez' ( https://stackoverflow.com/u/15923810/ ) and on the answer https://stackoverflow.com/a/72481226/ provided by the user 'Andrew Hulterstrom' ( https://stackoverflow.com/u/15351640/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Submit and Close a Modal Window in React with Hook Form and TypeScript

In modern web development, creating user-friendly interfaces often involves modals that allow users to add or edit data without leaving the current page. However, one common challenge developers face is managing the behavior of these modals, especially when dealing with form submissions. In this post, we will walk through how to efficiently implement a solution that both submits the form data and closes the modal window when the user clicks the "Save" button.

The Problem

When working with a modal in a React application that uses react-hook-form, you might encounter an issue where clicking the "Save" button doesn't close the modal after submission. The modal may remain open because the event handling does not properly call both the submission function and the close function.

To illustrate, here's a simplified setup of the AddData modal component:

[[See Video to Reveal this Text or Code Snippet]]

In this setup, the modal does not submit correctly, as the change in type for the button can interrupt the expected behavior.

The Solution

To resolve this issue, we need to modify the save button's onClick event to first call the onSubmit function for validation and state update, and then invoke the onClose function to close the modal. Below, we break down the modifications needed step-by-step.

Step 1: Set Up the Component

Building on our existing AddData component, ensure you've properly imported the necessary hooks and typings:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Modify the onSubmit Logic

Next, modify the onSubmit function to ensure that both submitting the form and closing the modal happen sequentially:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Update the Save Button

Now, ensure the "Save" button is set to type="submit" and invoke the onSubmit function correctly:

[[See Video to Reveal this Text or Code Snippet]]

Summary of Changes

Invoke onClose() within the onSubmit directly, allowing for the modal to close immediately after form submission.

Keep the button at type="submit" to ensure the form behaves correctly with react-hook-form.

By following these steps, you will successfully create a modal component that submits your form data and closes the modal concurrently, enhancing the user experience.

Conclusion

Managing modal states in React applications can be complex, but with the right approach and understanding of event handling, it becomes manageable. In this guide, we have shown how to use React, react-hook-form, and TypeScript to create a responsive modal that effectively submits and closes upon user actions. Experiment with this setup in your projects to streamline your modal interfaces!
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