Question 1

How does Modular Forms compare to React Hook Form in terms of performance?

Accepted Answer

Modular Forms emphasizes fine-grained DOM updates and smaller bundle size, starting at 3 KB, which can lead to better performance in frameworks like SolidJS and Qwik. However, React Hook Form has a larger ecosystem and more community support for React-specific use cases, making it a safer choice for some teams.

Question 2

How to validate file uploads with Modular Forms?

Accepted Answer

Modular Forms supports file validation through its flexible API, allowing you to define custom rules for file types, sizes, and other attributes using built-in functions. This integrates seamlessly with native HTML input fields, ensuring type-safe handling in your forms.

Question 3

Is Modular Forms suitable for large-scale enterprise applications?

Accepted Answer

Yes, its modular design and type safety make it robust for large projects, but the headless nature requires investment in a design system for consistent UI. Performance optimizations like fine-grained updates help it scale well with complex form logic.

Question 4

Does Modular Forms work with server-side rendering in Next.js?

Accepted Answer

As it supports React, it should work with Next.js SSR, but you may need to handle progressive enhancement manually using its actions feature. Ensure compatibility with your specific setup, as the library is framework-agnostic within its supported list.

Question 5

Can I use Modular Forms with Tailwind CSS for styling?

Accepted Answer

Absolutely, since Modular Forms is headless, it seamlessly integrates with Tailwind CSS or any styling solution. You define the visual components, and the library handles form logic and validation, making it highly adaptable.

Question 6

What are the main differences between Modular Forms and Formik?

Accepted Answer

Modular Forms focuses on type safety, smaller bundle size, and fine-grained performance, while Formik is more opinionated with built-in state management but can be heavier. Modular Forms' modular design allows for greater customization and is better suited for performance-critical applications.

Question 7

How to handle nested forms or dynamic fields with Modular Forms?

Accepted Answer

The API supports nested and dynamic fields through its modular structure, enabling efficient management of complex form states with arrays and objects in the schema. You can use validation helpers to ensure type safety across nested structures without bloating the bundle.

Modular Forms

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