Calendar: gracefully handle errors handling recurring events.

src/Calendars/Calendar.tsx

@@ -6,6 +6,8 @@ import { Calendar as BigCalendar, momentLocalizer, View } from "react-big-calend
 import "react-big-calendar/lib/css/react-big-calendar.css";
 import moment from "moment";
 import * as ICAL from "ical.js";
+import { store } from "../store";
+import { appendError } from "../store/actions";
 
 import { EventType } from "../pim-types";
 
@@ -55,6 +57,7 @@ class Calendar extends React.PureComponent<PropsType> {
     this.props.entries.forEach((event) => {
       entries.push(event);
 
+      try {
         if (event.isRecurring()) {
           const recur = event.iterator();
 
@@ -71,6 +74,9 @@ class Calendar extends React.PureComponent<PropsType> {
             entries.push(ev);
           }
         }
+      } catch (e) {
+        store.dispatch(appendError(e));
+      }
     });
 
     return (