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How to Create Dynamic Form Fields in Rails with Auto-Updates with Hotwire, StimulusJS

by Vinícius Alves Oyama —

Have you ever needed to create dependent fields in a form? Selecting a Country, updates the States select. Or if you select a role (standard/manager/admin) it loads specific fields for the role.

I will share my reusable solution using Ruby on Rails and Hotwire that supports an arbitrary level of “nested dependents”.

Video tutorial: https://youtu.be/TUIR-PYJxlg

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