getPersonName.ts

const getPersonName = (resourceName: string): string => {
  let name: string = cache.get(`getPersonName.${resourceName}`);
  if (name) return name;
  const person: PeopleAPI.Person = People.People.get(resourceName, { personFields: 'names' });
  if (person.names) {
    name = person.names[0].displayName;
    cache.put(`getPersonName.${resourceName}`, name, 21600);
    return name;
  }
  return resourceName;
};