const { environment } = require('@rails/webpacker') const webpack = require("webpack"); // Add an additional plugin of your choosing : ProvidePlugin environment.plugins.prepend( "Provide", new webpack.ProvidePlugin({ $: "jquery", jQuery: "jquery", jquery: "jquery", "window.Tether": "tether", Popper: ["popper.js", "default"] // for Bootstrap 4 }) ); module.exports = environment