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Developer adds reusable style variants to shadcn/ui Input component using CVA

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A developer building an invoice management application encountered repetitive styling when using the shadcn/ui Input component, having to copy the same class names every time the component was used. To solve this, they researched how other shadcn/ui components handle styling and discovered the concept of variants via the class-variance-authority (CVA) library. Unlike the Button component, the Input component does not ship with built-in variants, prompting the developer to create a custom one. They modified the default Input component by integrating CVA to define reusable style groupings, making it easy to apply consistent or alternate styles without repeating class names. The approach leverages shadcn/ui's flexible architecture, allowing any UI component to be extended with custom variants.

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