Isdatestring Class Validator Nestjs

Question

I have an endpoint that is responsible for bulk inserting some data into my postgres DB

  //Bulk insert
  @httpPost("/profile/bulk-create", 
    body()
      .customSanitizer(sanitizeToClass(BulkCreateDto))
      .custom(validateObject),
    checkValidation)
  .........
  .............

In my dto class i have a field that deals with a date value

export class CreateAccountProfileDto{
    .....
    .......

    @Expose()
    @IsDateString()
    @IsOptional()
    OpenDate: Date
 
    .......
    .......
}

The date value received is in the following format 2021/04/19 and every time i try to bulk insert into DB, the following error shows up

OpenDate must be a valid ISO 8601 date string

Does the @IsDateString class-validator not work with the above date format?

Accepted Answer

@IsDateString() is an alias for @IsISO8601(options?: IsISO8601Options), which checks using validator's isISO8601 function that checks if the string is a valid ISO 8601 date.

From the documentation of validator:

options is an object which defaults to { strict: false, strictSeparator: false }. If strict is true, date strings with invalid dates like 2009-02-29 will be invalid. If strictSeparator is true, date strings with date and time separated by anything other than a T will be invalid.

So @IsISO8601() considers 2021/04/19 to be invalid, but 2021-04-19 to be valid.

Isdatestring Class Validator Nestjs

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Robert Thorne

Isdatestring Class Validator Nestjs

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Robert Thorne