wp-admin-filter-post-types-date-range-datepicker-filter.js

jQuery(function($){
    
    var filter_date_start = $('.filter_datepicker.filter_datepicker_from'),
        filter_date_end = $('.filter_datepicker.filter_datepicker_to'),
        filter_native = $('#filter-by-date');

    $('.filter_datepicker').datepicker({
        altFormat:  'yy-mm-dd',
        dateFormat: 'dd/mm/yy',
    });
    
    filter_date_start.datepicker('option', 'altField', '#filter_datepicker_from');
    filter_date_end.datepicker('option', 'altField', '#filter_datepicker_to');
    
    $('.filter_date_range_wrapper > span').on('click', function(){
        $(this).closest('.filter_date_range_wrapper').find('> input').datepicker('setDate', null);
        $(this).closest('.filter_date_range_wrapper').removeClass('active');
        
        filter_date_start.datepicker('option', 'maxDate', null);
        filter_date_end.datepicker('option', 'minDate', null);
    });
    
    $('.filter_datepicker').on('change', function(){
        $('#filter_datepicker_from').val((!filter_date_start.val().length) ? '' : moment(filter_date_start.val(), 'DD/MM/YYYY').format('YYYY-MM-DD'));
        $('#filter_datepicker_to').val((!filter_date_end.val().length) ? '' : moment(filter_date_end.val(), 'DD/MM/YYYY').format('YYYY-MM-DD'));
        
        $(this).closest('.filter_date_range_wrapper').addClass('active');
    });
    
    filter_date_start.on('change', function(){
        filter_date_end.datepicker('option', 'minDate', filter_date_start.val());
    });

    filter_date_end.on('change', function(){
        filter_date_start.datepicker('option', 'maxDate', filter_date_end.val());
    });
    
    if(filter_date_start.val().length)
        filter_date_end.datepicker('option', 'minDate', filter_date_start.val());
    
    if(filter_date_end.val().length)
        filter_date_start.datepicker('option', 'maxDate', filter_date_end.val());

    filter_native.on('change', function(){
        filter_date_start.val(moment(filter_native.val(), 'YYYYMM').format('DD/MM/YYYY'));
        filter_date_end.val(moment(filter_native.val(), 'YYYYMM').endOf('month').format('DD/MM/YYYY'));
        $('.filter_datepicker').trigger('change');
        $(this).val('0');
    });

});