convertArrayToEnumType.ts

/**
 * Returns an array of the specified enum type with values that are the
 * intersection of the array and enum type.
 *
 * Example: 
 * convertArrayToEnumType(["VISA", "CARTES_BANCAIRES"], AllowedCardNetworks)
 *   => ["VISA"]
 */
export function convertArrayToEnumType<S, T extends string>(arr: Array<S>, type: Record<T, T>): Array<T> {
  return arr.filter((k) => Object.keys(type).includes((k as unknown) as T)).map((k) => (k as unknown) as T);
}