const ical = require('ical');

ical.fromURL('/url/to/some.ics', null, function(err, data){
    console.log(data);

    const results = Object.keys(data).map( hash => {
        const e = data[hash];
        if(e.rrule) console.log(e.rrule);
        return {
            title: e.summary,
            start: e.start,
            end: e.end,
            location: e.location,
            description: e.description
        };
    });

});