Dynamically add an item to a dropdown list

Allow users to add new items to a dropdown list dynamically.

When to use

Use this pattern when:

• Users need to add custom options to a predefined list
• The list of options can grow based on user input
• You want to provide flexibility while maintaining structure

Considerations

• Use the mountType prop to control where new items appear (prepend or append)
• Validate input before adding to prevent empty or duplicate entries
• Provide a reset option to restore the original list
• Show clear feedback when items are added successfully