6 replies

Type error w/ Dates & shadcnui

Type error: Type '(event: Date | ChangeEvent<Element>) => void' is not assignable to type 'SelectSingleEventHandler'.
  Types of parameters 'event' and 'day' are incompatible.
    Type 'Date | undefined' is not assignable to type 'Date | ChangeEvent<Element>'.
      Type 'undefined' is not assignable to type 'Date | ChangeEvent<Element>'.

Type error: Type '(event: Date | ChangeEvent<Element>) => void' is not assignable to type 'SelectSingleEventHandler'.
  Types of parameters 'event' and 'day' are incompatible.
    Type 'Date | undefined' is not assignable to type 'Date | ChangeEvent<Element>'.
      Type 'undefined' is not assignable to type 'Date | ChangeEvent<Element>'.

Hey there. Been getting this error working with the Calendar component he has. Been getting this build error in Vercel, whereas in vscode I'm getting a build passed. Anyone have any idea? See code in the comments.

Solution

fixed, just had to switch from

onSelect={field.onChange}

onSelect={field.onChange}

onSelect={field.onChange as unknown as SelectSingleEventHandler | undefined}

onSelect={field.onChange as unknown as SelectSingleEventHandler | undefined}

and the build ran

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TTC

Theo's Typesafe Cult•3y ago•

6 replies

jps

Type error w/ Dates & shadcnui

Type error: Type '(event: Date | ChangeEvent<Element>) => void' is not assignable to type 'SelectSingleEventHandler'.
  Types of parameters 'event' and 'day' are incompatible.
    Type 'Date | undefined' is not assignable to type 'Date | ChangeEvent<Element>'.
      Type 'undefined' is not assignable to type 'Date | ChangeEvent<Element>'.

Type error: Type '(event: Date | ChangeEvent<Element>) => void' is not assignable to type 'SelectSingleEventHandler'.
  Types of parameters 'event' and 'day' are incompatible.
    Type 'Date | undefined' is not assignable to type 'Date | ChangeEvent<Element>'.
      Type 'undefined' is not assignable to type 'Date | ChangeEvent<Element>'.

Solution

fixed, just had to switch from

onSelect={field.onChange}

onSelect={field.onChange}

onSelect={field.onChange as unknown as SelectSingleEventHandler | undefined}

onSelect={field.onChange as unknown as SelectSingleEventHandler | undefined}

and the build ran

Jump to solution

Type error w/ Dates & shadcnui

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