Function isOneOf

isOneOf<T>(options): Validator<T>

Validate an input is one of a list of options

Type Parameters

T
The validated type

Parameters

options: readonly T[]
The valid options

Returns Validator<T>

Example

isOneOf([1, 2, 3])(1) >>
    {
      valid: true,
      parsed: 1,
    };

  isOneOf([1, 2, 3])(4) >>
    {
      valid: false,
      error: "Not one of [1, 2, 3]: 4",
    };