Export team roster from FIRST dashboard

FIRST_Export_Roster.js

(()=>{
    function convertToCSV(arr) {
      const array = [Object.keys(arr[0])].concat(arr)
    
      return array.map(it => {
        return Object.values(it).toString()
      }).join('\n')
    }
    
    if (typeof ContactRosterModel == "undefined") {
        alert("Unable to find roster on this page.");
        return;
    }
    
    
    const csvData = convertToCSV(ContactRosterModel.TeamStudents);

    const csvStr = "data:text/csv;charset=utf-8,"+csvData;
    
    
    var encodedUri = encodeURI(csvStr);
    var link = document.createElement("a");
    link.setAttribute("href", encodedUri);
    link.setAttribute("download", "TeamRoster.csv");
    document.body.appendChild(link);
    
    link.click();
})();