Script wayv business to page through the calendar view and save all events displayed as csv

save-events.js

function format_value(value) {
    if (value instanceof Date) {
        // Convert to google sheets compatible date string
        return value.toISOString().substring(0, 16).replace("T", " ").replace(":", ".")
    }
    return value;
}

function to_csv(columns, rows) {
    const sep = ";";
    let csv = "";
    csv += columns.join(sep) + "\n"
    csv += rows.map(r=>columns.map(c=>format_value(r[c])).join(sep)).join("\n");
    return csv;
}

function waitForLoading(cb) {
    const loading = Session.get("loadingMessage");
    if (!loading) {
        setTimeout(cb, 100);
    } else {
        setTimeout(()=>waitForLoading(cb), 100);        
    }
}

function dumpDates(end, events, cb) {
    if (myCal.fullCalendar("getDate") >= end) return cb(events);
    setTimeout(()=>waitForLoading(()=>{
        const e = Session.get("events");
        if (e.length === 0) {
            console.log("Warning: got 0 events for: ", myCal.fullCalendar("getDate"));
        }
        console.log("Got ", e.sort((a,b)=>a.start-b.start), " events for", myCal.fullCalendar("getDate"));
        myCal.fullCalendar("next"); 
        dumpDates(end, events.concat(e), cb);
    }), 1000);  // Wait for loading events.
}

//changeCalendarView(new Date("2018-01-01"), "resourceDay")
changeCalendarView(new Date("2017-01-01"), "agendaWeek")
dumpDates(new Date("2018-01-01T00:00:00+02:00"), [], (events) => {
    console.log("Got ", events.length, " events")
    //console.log(events);    
    //console.log(to_csv(["title", "start", "end", "resourceId"], Session.get("events")))
    csv = to_csv(["title", "start", "end", "resourceId", "_id"], events);
})

// When done, at the console, do `copy(csv)`