Function filterDeprecated

api/src/utils/exam.ts:11–15

* Remove objects from array with deprecated: true. * * @param arr An array. * @returns The array without objects that have deprecated: true.

(
  arr: T[]
)

 * @returns The array without objects that have deprecated: true.
 */
function filterDeprecated<T extends { deprecated: boolean | null }>(
  arr: T[]
): T[] {
  return arr.filter(i => !i.deprecated);
}

function getRandomElement<T>(arr: T[]): T {
  const id: number = Math.floor(Math.random() * arr.length);