Materialize Datepicker Set Year Function

set-year.js

  (function () {
    let thisInputID, thisPickerID;
    $('.datepicker').pickadate({
      //Other options can go here
      onOpen: function() {
        //Get ID for input and this particular picker
        thisInputID = `#${$(this.$node.context).attr('id')}`;
        thisPickerID = `${thisInputID}_root`;
      },
      onClose: function() {
        //Get date from selected day element and save as a variable
        let date =  ($(`${thisPickerID} .picker__day--highlighted`).attr('aria-label'));
        
        //Insert date into input
        $(thisInputID).val(date);
        },
    });
  })();