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

const $ = require('jquery');

module.exports = function() {
    let click = 0;

    $('body').on('click', '*[data-modal]', (e) => {
        e.preventDefault();
        e.stopPropagation();

        ++click;

        window.setTimeout(() => {
            if (click !== 1) {
                click = 0;

                return;
            }

            click = 0;

            let container = $('#modal-container');
            const body = $('body')

            if (!container.length) {
                container = $('<div id="modal-container" class="modal">');

                body.append(container);
            }

            const loader = $('<div style="position: absolute; top: 25vh; left: 50vw; z-index: 2000">');
            loader.html('<div class="spinner-border text-primary" role="status"><span class="sr-only">Loading...</span></div>');
            body.append(loader);

            container.html('');

            let url = $(e.target).attr('data-modal');

            if (!url) {
                url = $(e.target).parents('*[data-modal]').first().attr('data-modal');
            }

            $(container).modal('show');

            container.load(url, function() {
                loader.remove()
            });
        }, 250)
    });

    const urlParams = new URLSearchParams(window.location.search)
    const dataModal = urlParams.get('data-modal')

    if (dataModal) {
        $('*[data-modal="' + dataModal + '"]').first().click();
    }
}