Function isNumberString

isNumberString(input): Validated<number>

Validate a number string

Parameters

input: unknown
The raw input

Returns Validated<number>

Example

isNumberString("1") >>
    {
      valid: true,
      parsed: 1,
    };

  isNumberString("") >>
    {
      valid: false,
      error: 'Not a number: ""',
    };

  isNumberString("NaN") >>
    {
      valid: false,
      error: 'Not a number: "NaN"',
    };

  isNumberString("Infinity") >>
    {
      valid: false,
      error: 'Not a number: "Infinity"',
    };