Version 1.7.3: Argument of type 'DateValueType' is not assignable to parameter of type 'SetStateAction<{ startDate: null; endDate: null; }>' #321

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1. neekfenwick commented on Dec 2, 2025

   

   neekfenwick

   on Dec 2, 2025

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   You don't show how you set up your value. I got a similar error when using the kind of syntax shown in your error message.

   Try:

   const [ dateRange, setDateRange ] = useState<DateValueType>({
     startDate: null,
     endDate: null
   });
   

   The point is that the useState hook is given the type DateValueType, and not an object description like {startDate: Date | null, endDate: Date | null}. This makes the type of dateRange be DateValueType, and then using it in value={value} makes the types all match.

   Import the DateValueType from the package along with Datepicker:

   import Datepicker, { DateValueType } from "react-tailwindcss-datepicker";