Building Dynamic Form Fields with React and Shadcn UI

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Seamless Form Validation with TanStack Form and Zod | by Tomas Svojanovsky | Front-end World | Mar, 2025 | Medium

When creating forms for user input, we often need to handle collections of data rather than just single values. A common example is allowing users to enter multiple items — such as a list of their favorite colors.

Form example

We’ll explore how to build a dynamic form component that lets users add, remove, and reorder their color preferences using React and the Shadcn UI library.

The Challenge

When collecting multiple values from users, we have a few options:

1. Use a single input field where commas separate values
2. Provide a dynamic interface where users can add as many inputs as needed

While the first approach is simpler to implement, it creates a poorer user experience. Users might make formatting mistakes with commas, and reordering items becomes tedious. The second approach, while more complex to build, offers a much more…