Function numberTest

numberTest(
    value?: unknown,
    range?: NumberGuardRange,
    parameterName?: string,
): GuardResult
Checks if t is not a number or within specified range. Returns [false, reason:string] if invalid or [true] if valid. Use throwNumberTest to throw an error rather than return result.

Alternatives: integerTest for additional integer check, percentTest for percentage-range.
- (empty, default): must be a number type and not NaN.
- finite: must be a number, not NaN and not infinite
- positive: must be at least zero
- negative: must be zero or lower
- aboveZero: must be above zero
- belowZero: must be below zero
- percentage: must be within 0-1, inclusive
- nonZero: can be anything except zero
- bipolar: can be -1 to 1, inclusive
Parameters
- Optionalvalue: unknown
  Value to check
- range: NumberGuardRange = ...
  Range to enforce
- parameterName: string = ...
  Name of parameter (for more helpful exception messages)
Returns GuardResult