murph-skeleton/assets/js/admin/modules/form.js

const $ = require('jquery');

module.exports = function() {
    $('body').on('change', '.custom-file-input', function(event) {
        let inputFile = event.currentTarget;

        $(inputFile).parent()
            .find('.custom-file-label')
            .html(inputFile.files[0].name);
    });

    $('.nav a').each(function() {
        const link = $(this)
        const href = link.attr('href')

        if (href.substr(0, 1) !== '#') {
            return
        }

        const tab = $('.tab-pane ' + href)

        if (!tab.length) {
            return
        }

        if (tab.find('.form-error-message').length) {
            link.addClass('border border-danger')
            link.click()
        }
    })
};