Function findLatestYearForApplicant

src/Data/UserData.js:265–270

* Find the latest year with data for a given applicant * @param {string[]} applicantIDs - Applicant IDs in the form "displayName@year" * @returns {Promise } - Latest year or null if no data found

(applicantIDs = [])

 * @returns {Promise<number|null>} - Latest year or null if no data found
 */
function findLatestYearForApplicant(applicantIDs = []) {
    const validYears = applicantIDs
        .map(id => Number.parseInt(id.split('@')[1], 10))
        .filter(Number.isFinite);
    return validYears.length > 0 ? Math.max(...validYears) : null;
}

function metadataWithLatestYear(metadata) {
    const result = metadata ?? {};