Function parseCount

client/src/utils/session-storage.ts:1–2

(rawCount: string | null)

const parseCount = (rawCount: string | null) =>
  rawCount == null ? 0 : parseInt(rawCount, 10);

export const CURRENT_COUNT_KEY = 'session-completed-challenges';
export const SAVED_COUNT_KEY = 'saved-session-completed-challenges';