Function $range

$range(value: string, min: number, max: number, def?: number): number
Retrieves a number from an environment variable and validates it's within a specified range.
Parameters
- value: string
  The name of the environment variable
- min: number
  The minimum allowed value (inclusive)
- max: number
  The maximum allowed value (inclusive)
- Optionaldef: number
  Optional default number value to use if the environment variable is not set
Returns number
The number value from the environment variable if it's within the specified range

Throws
Will throw an error if the value is not a valid number, is outside the range, or if the environment variable is missing and no default is provided
- Defined in range.ts:12