Ninja Forms Datepicker Localization German

nf-datepicker-localize-de.js

jQuery(document).ready( function() {
    jQuery.datepicker.setDefaults(
        {
            prevText: '<zurück', prevStatus: '',
            prevJumpText: '<<', prevJumpStatus: '',
            nextText: 'Vor>', nextStatus: '',
            nextJumpText: '>>', nextJumpStatus: '',
            currentText: 'heute', currentStatus: '',
            todayText: 'heute', todayStatus: '',
            clearText: '-', clearStatus: '',
            closeText: 'schließen', closeStatus: '',
            monthNames: ['Januar','Februar','März','April','Mai','Juni',
                'Juli','August','September','Oktober','November','Dezember'],
            monthNamesShort: ['Jan','Feb','Mär','Apr','Mai','Jun',
                'Jul','Aug','Sep','Okt','Nov','Dez'],
            dayNames: ['Sonntag','Montag','Dienstag','Mittwoch','Donnerstag','Freitag','Samstag'],
            dayNamesShort: ['So','Mo','Di','Mi','Do','Fr','Sa'],
            dayNamesMin: ['So','Mo','Di','Mi','Do','Fr','Sa'],
            showMonthAfterYear: false,
            showOn: 'both',
            buttonImageOnly: true,
            dateFormat:'d MM, y'
        }
    );
});

nf-datepicker-localize-de.php

<?php

/*
Plugin Name: NF Datepicker German
*/

function nf_datepicker_localize( ) {
    wp_enqueue_script(
      'nf-datepicker-localize',
      plugin_dir_url( __FILE__ ) . 'nf-datepicker-localize.js',
      array( 'jquery', 'jquery-ui-core', 'jquery-ui-datepicker' ) );
}
add_action( 'ninja_forms_display_js', 'nf_datepicker_localize', 8);