Function createValidator

createValidator<Output, Input = unknown>(
    expectationMessage: string,
    isValid: (input: Input) => boolean,
    inputStringify?: (input: Input) => string,
): Validator<Output, Input>
Creates a new basic validator.

For a deep validator which has sub-fields, use createDeepValidator.
Type Parameters
- Output
- Input = unknown
Parameters
- expectationMessage: string
  The message to use to describe what is expected. This will be used in the error message template.
- isValid: (input: Input) => boolean
  Returns true if the given input is valid.
- inputStringify: (input: Input) => string = ...
  Stringifies the input for use as the actual {1} token in the validation expectation template. Default is stringifyForPrint with a 500 character max length.
Returns Validator<Output, Input>
- Defined in Validator.ts:127