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Building Dependent Form Fields in React: A Practical Approach
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Building Dependent Form Fields in React: A Practical Approach

DEV CommunityΒ·kensaadiΒ·about 1 month ago
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#react#forms#typescript#category#subcategory#options
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Have you ever needed a form where changing one field updates the options of another? Like selecting a category and seeing subcategories automatically update? Most developers reach for useEffect + manual state management. But there's a better way. The Problem Let's say you have two autocomplete fields: Category - static options Subcategory - depends on category, loads dynamically The traditional approach requires: Tracking category changes Triggering updates when category changes Manual state management for loading/error states Clearing subcategory when category changes Managing async operations It gets complex fast when you add more dependencies.…

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