Function normalizeChallenges

api/src/utils/normalize.ts:181–203

(
  completedChallenges: CompletedChallenge[]
)

 * @returns The input with nulls removed.
 */
export const normalizeChallenges = (
  completedChallenges: CompletedChallenge[]
): NormalizedChallenge[] => {
  const fixedDateAndType = completedChallenges.map(challenge => {
    const { completedDate, challengeType, ...rest } = challenge;
    return {
      ...rest,
      completedDate: normalizeDate(completedDate),
      challengeType: normalizeChallengeType(challengeType)
    };
  });

  const noNullProps = fixedDateAndType.map(challenge => removeNulls(challenge));
  // files.path is optional
  const noNullPath = noNullProps.map(challenge => {
    const { files, ...rest } = challenge;
    const noNullFiles = files?.map(file => removeNulls(file));

    return { ...rest, files: noNullFiles };
  });

  return noNullPath;
};

type NormalizedSurvey = {
  title: string;