/**
 * filter out nullish values
 * https://stackoverflow.com/a/46700791/2726641
 * @param value
 */
const isUndefOrEmpty = <TValue>(value: TValue | null | undefined): value is TValue => !(value === null || value === undefined)

export const filterUndefOrNull = <T>(ts?: (T | undefined | null)[] | null): T[] => ts?.filter((t: T | undefined | null): t is T => t !== undefined && t !== null) || []

export default isUndefOrEmpty