Function useCommunityRootMembersToRole

lib/shared/thread-utils.js:150–175

(
  threadInfos: $ReadOnlyArray<RawThreadInfo | ThreadInfo>,
)

  },
};
function useCommunityRootMembersToRole(
  threadInfos: $ReadOnlyArray<RawThreadInfo | ThreadInfo>,
): CommunityRootMembersToRoleType {
  const communityRootMembersToRole = React.useMemo(() => {
    const communityThreadInfos = threadInfos.filter(threadInfo =>
      threadTypeIsCommunityRoot(threadInfo.type),
    );

    if (communityThreadInfos.length === 0) {
      return {};
    }

    const communityRoots = _keyBy('id')(communityThreadInfos);
    return _mapValues((threadInfo: ThreadInfo) => {
      const keyedMembers = _keyBy('id')(threadInfo.members);
      const keyedMembersToRole = _mapValues(
        (member: MemberInfoWithPermissions | RelativeMemberInfo) => {
          return member.role ? threadInfo.roles[member.role] : null;
        },
      )(keyedMembers);
      return keyedMembersToRole;
    })(communityRoots);
  }, [threadInfos]);

  return communityRootMembersToRole;
}

function useThreadsWithPermission(
  threadInfos: $ReadOnlyArray<ThreadInfo>,