parse events option

src/logic.js

@@ -25,11 +25,14 @@ export const parse_args = (args) => {
       .filter(away_empty_strings)
       .map(page_id_to_page_events_url);
 
+  const events = pathOr(null, ['events'], argv);
+
   return {
     page_ids: [
       ...parse_param('page'),
       ...parse_param('p'),
       ...parse_param('pages'),
     ],
+    events,
   };
 };

tests/logic.test.js

@@ -21,10 +21,21 @@ describe('test parse args', () => {
       'https://www.facebook.com/bar/events/',
     ]);
   });
+
   ['-?', '--help', '-h'].forEach((param) => {
     it('parses help options', () => {
       const res = parse_args([param]);
       expect(process_mock).toHaveBeenCalledWith(1);
     });
   });
+
+  it('parses event option', () => {
+    const res = parse_args(['--events=events.json']);
+    expect(res.events).toEqual('events.json');
+  });
+
+  it('sets events to null if no option is passed', () => {
+    const res = parse_args(['']);
+    expect(res.events).toEqual(null);
+  });
 });