Function filterChallengeOrder

curriculum/src/filter.ts:67–75

(
    challengeOrder: { id: string }[],
    id: string
  )

    challengeOrder.findIndex(challenge => challenge.id === id);

  const filterChallengeOrder = (
    challengeOrder: { id: string }[],
    id: string
  ) => {
    const index = findChallengeIndex(challengeOrder, id);
    if (index === -1) return [];

    return challengeOrder.slice(index, index + 2);
  };

  return superblocks
    .map(superblock => ({