How to make the limit dynamically? about vue-datepicker HOT 2 OPEN

startLimit: [{
          type:'fromto',
          from: new Date().setFullYear(new Date().getFullYear - 1),
          to: new Date().setFullYear(new Date().getFullYear + 1),
        }],
        endLimit: [{
          type:'fromto',
          from: new Date().setFullYear(new Date().getFullYear - 1),
          to: new Date().setFullYear(new Date().getFullYear + 1),
        }],

 checkEndDate(){
        var e = this;
        // If end date is earlier than start date, change end date to start date
        if(e.event_end.time < e.event_start.time){
          e.event_end.time = e.event_start.time;
        }
        e.endLimit[0].from = (e.event_start.time != '' ? new Date(e.event_start.time) : new Date().setFullYear(new Date().getFullYear - 1));
      }