application.js

require("@rails/ujs").start()
require("turbolinks").start()
require("@rails/activestorage").start()
require("channels")

import "bootstrap";
import "../stylesheets/application";
import "cocoon";

document.addEventListener("turbolinks:load", () => {
    $('[data-toggle="tooltip"]').tooltip()
    $('[data-toggle="popover"]').popover()
})