Filtering events for which we have uris but no data.
@@ -185,6 +185,7 @@ export function connectionLastUpdatedAt(state, connection) {
const timestamps = eventUris
.map(eventUri => events.get(eventUri))
+ .filter(event => event) // filter out events for which we have uris but no data.
.map(event => timestamp(event));
const latestTimestamp = timestamps.reduce((t1, t2) =>
