get_my/client/MenuItems/modalLinkProducts.js

import { M } from '../lib/assets/materialize.js';
import { Products } from '../../imports/api/products.js';
import { MenuItems } from '../../imports/api/menuItems';
import { MenuProdLinks } from '../../imports/api/menuProdLinks.js';

Template.modalLinkProducts.onCreated(function() {
    this.subscribe("myMenuItems");
    this.subscribe("myProducts");
    this.subscribe("menuProdLinkData");
});

Template.modalLinkProducts.onRendered(function() {
    var elems = document.querySelectorAll('.modal');
    var instances = M.Modal.init(elems, {});

    var elemse = document.querySelectorAll('select');
    var instancese = M.FormSelect.init(elemse, {
        dropdownOptions: 4,
    });
    
    setTimeout(function() {
        var instances = M.Modal.init(elems, {});
        var instancese = M.FormSelect.init(elemse, {
            dropdownOptions: 4,
        });
    }, 250);
});

Template.modalLinkProducts.helpers({
    products: function() {
        return Products.find({});
    }
});

Template.modalLinkProducts.events({
    'click #saveLink' (event) {
        event.preventDefault();
        let menuItemId = Session.get("menuItemId");
        let linkSelect = document.getElementById('prodForMenu');
        let links = M.FormSelect.getInstance(linkSelect).getSelectedValues();
        if (typeof links != undefined && links != [] && links != null) {
            Meteor.call("add.menuProdLinks", menuItemId, links, function(err, result) {
                if (err) {
                    console.log("    ERROR adding product links to this menu item: " + err);
                } else {
                    showSnackbar("Products added to Menu Item successfully!", "green");
                }
            });
        }
    }
});