Obtener los proximos 7 dias a partir del dia actual

getWeek.js

function getweek(curr) {
   
  if (curr instanceof Date){
    curr.setDate(curr.getDate()-1);
    var week=[];
    
    for(var i = 0; i<7; i++) {   
      week.push({[i]:[getday(new Date( curr.setDate(curr.getDate() + 1)))]});            
    }
    return week;
  } else {
    return("Debe enviar una fecha valida")}
}

function getday(date){
   
    var months = new Array("Enero", "Febrero", "Marzo", "Abril", "Mayo", "Junio", "Juio", "Agosto","Septiembre","Octubre", "Noviembre", "Diciembre");
    var days = new Array("Dom","Lun","Mar","Mie","Jue","Vie","Sab");
    var curr_date = ("0" + date.getDate()).slice(-2);
    var curr_month = date.getMonth();
    var curr_year = date.getFullYear();
    var day = days[date.getDay()];

    return(JSON.stringify({dayname: day , daynumber:curr_date, monthname : months[curr_month], year: curr_year}));
}

console.log(getweek(new Date()));