Function validateNumber

Returns a number corresponding to the supplied value, ensuring the supplied value is a valid number or a string containing only a number.

Throws

LisnUsageError If the value is invalid.

validateNumber(key: string, value: unknown): undefined | number
Parameters
- key: string
- value: unknown
Returns undefined | number
undefined if the input is nullish.
- Defined in packages/lisn.js/src/ts/utils/validation.ts:109