List unsupported journals.

src/JournalList.tsx

@@ -1,4 +1,5 @@
 import * as React from 'react';
+const Fragment = (React as any).Fragment;
 import { Link } from 'react-router-dom';
 
 import { List, ListItem } from 'material-ui/List';
@@ -21,11 +22,19 @@ class JournalList extends React.Component {
 
   render() {
     const derived = this.props.etesync.encryptionKey;
-    const journalMap = this.props.journals.filter((x) => (
+    const journalMap = this.props.journals.reduce(
-        // Skip shared journals for now.
-        !x.key
-      )).reduce(
       (ret, journal) => {
+        if (journal.key) {
+          const key = 'UNSUPPORTED';
+          ret[key] = ret[key] || [];
+          ret[key].push(
+            <ListItem
+              key={journal.uid}
+            >
+              {journal.uid.slice(0, 20)}
+            </ListItem>
+          );
+        } else {
           let cryptoManager = new EteSync.CryptoManager(derived, journal.uid, journal.version);
           let info = journal.getInfo(cryptoManager);
           ret[info.type] = ret[info.type] || [];
@@ -39,10 +48,13 @@ class JournalList extends React.Component {
               </ListItem>
             </Link>
           );
+        }
+
         return ret;
       },
       { CALENDAR: [],
-        ADDRESS_BOOK: []});
+        ADDRESS_BOOK: [],
+        UNSUPPORTED: [] as Array<JSX.Element>});
 
     const styles = {
       paper: {
@@ -63,6 +75,15 @@ class JournalList extends React.Component {
         <List>
           {journalMap.CALENDAR}
         </List>
+
+        { journalMap.UNSUPPORTED && (
+          <Fragment>
+            <h2>Unsupported</h2>
+            <List>
+              {journalMap.UNSUPPORTED}
+            </List>
+          </Fragment>
+        )}
       </Paper>
     );
   }