handle page crash

src/scrape.js

@@ -32,14 +32,18 @@ const {
   let events = [];
 
   for (let page_id of page_ids) {
-    const new_events = await get_page_events(
-      browser,
-      page_id,
-      get_upcoming_events,
-      get_past_events,
-    );
-
-    events = merge_edges(new_events, events);
+    try {
+      const new_events = await get_page_events(
+        browser,
+        page_id,
+        get_upcoming_events,
+        get_past_events,
+      );
+      events = merge_edges(new_events, events);
+    } catch (e) {
+      console.error(e);
+      events = previous_events;
+    }
     events = events.filter(
       ({ event_id }) =>
         previous_events.find(