The compatibility issue between Rails 7 and Bootstrap 5.2.3, along with importmaps JavaScript, is causing dysfunction in the

Feeling a bit lost here, as I've tried several solutions from Stack Overflow related to getting bootstrap 5.2.3 javascript to work for a dropdown menu. Importmaps seem like the best approach, although esbuild was attempted with no luck.

Below is a snippet of my import maps setup:

pin 'application', preload: true
pin '@hotwired/turbo-rails', to: 'turbo.min.js', preload: true
pin '@hotwired/stimulus', to: 'stimulus.min.js', preload: true
pin '@hotwired/stimulus-loading', to: 'stimulus-loading.js', preload: true
pin_all_from 'app/javascript/controllers', under: 'controllers'
pin "bootstrap", to: "https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.esm.js"
pin "@popperjs/core", to: "https://cdn.jsdelivr.net/npm/@popperjs/[email protected]/lib/index.js"

My app/javascript/application.js file looks like this:

import "@hotwired/turbo-rails"
import "controllers"
import "popper"
import "bootstrap"

And here's a relevant part from 

app/views/layouts/application.html.erb
:

  <%= stylesheet_link_tag "application", "data-turbo-track": "reload" %>
  <%= javascript_importmap_tags %>
  <% if Rails.env.development? %>
  <%= javascript_include_tag "hotwire-livereload", defer: true %>

Additionally, the app/assets/config/manifest.js file contains:

//= link_tree ../images
//= link_directory ../stylesheets .css
//= link_tree ../../javascript .js

This configuration generates the following HTML header:

  <link rel="stylesheet" href="/assets/application-340caa07ce1bbb3e424a11977f38b20d7ad5bcd57480d126430e8962eb772287.css" data-turbo-track="reload">
  <script type="importmap" data-turbo-track="reload">{
  "imports": {
    "application": "/assets/application-43b3188fdbcd45d694dc59d1f446d56b6a7895097320f451e1f8b34080dfcd63.js",
    "@hotwired/turbo-rails": "/assets/turbo.min-96cbf52c71021ba210235aaeec4720012d2c1df7d2dab3770cfa49eea3bb09da.js",
    "@hotwired/stimulus": "/assets/stimulus.min-900648768bd96f3faeba359cf33c1bd01ca424ca4d2d05f36a5d8345112ae93c.js",
    "@hotwired/stimulus-loading": "/assets/stimulus-loading-1fc59770fb1654500044afd3f5f6d7d00800e5be36746d55b94a2963a7a228aa.js",
    "bootstrap": "https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.esm.js",
    "@popperjs/core": "https://cdn.jsdelivr.net/npm/@popperjs/[email protected]/lib/index.js",
    "controllers/application": "/assets/controllers/application-368d98631bccbf2349e0d4f8269afb3fe9625118341966de054759d96ea86c7e.js",
    "controllers/current_link_controller": "/assets/controllers/current_link_controller-370b5b9f12a48b3c3c34f79e6d2782d26737770d0459437000dd110a50aead36.js",
    "controllers": "/assets/controllers/index-2db729dddcc5b979110e98de4b6720f83f91a123172e87281d5a58410fc43806.js"
  }
}</script>
<link rel="modulepreload" href="/assets/application-43b3188fdbcd45d694dc59d1f446d56b6a7895097320f451e1f8b34080dfcd63.js">
<link rel="modulepreload" href="/assets/turbo.min-96cbf52c71021ba210235aaeec4720012d2c1df7d2dab3770cfa49eea3bb09da.js">
<link rel="modulepreload" href="/assets/stimulus.min-900648768bd96f3faeba359cf33c1bd01ca424ca4d2d05f36a5d8345112ae93c.js">
<link rel="modulepreload" href="/assets/stimulus-loading-1fc59770fb1654500044afd3f5f6d7d00800e5be36746d55b94a2963a7a228aa.js">
<script src="/assets/es-module-shims.min-606ae9c3279013fe751cee30f719a592f759e705edb66496812f3d9dbce3d850.js" async="async" data-turbo-track="reload"></script>
<script type="module">import "application"</script>
  <script src="/assets/hotwire-livereload-69f109e9f29dd4f334a14c739a16f66d96595dcede55037f287ea8712288c0ae.js" defer="defer"></script>

The gemfile includes:

# Use Sass to process CSS
gem 'bootstrap', '~> 5.2.3'
gem 'sassc-rails', '2.1.2'

Lastly, puzzled by the bundling of bootstrap and popper in the application.css rather than being explicitly listed in the <link rel....> includes.

javascriptruby-on-railsbootstrap-5import-maps

Answer №1

If you are utilizing importmaps to acquire Bootstrap, keep in mind that you will only be fetching the javascript portion. To include the CSS components, you will have to manually download them and place them in either your stylesheets directory or vendor folder.

For instance:

Within vendor/stylesheets/bootstrap, ensure you have downloaded all the necessary css files.

Within your importmaps.rb file, you should have something along these lines:

pin "application"
pin "@hotwired/turbo-rails", to: "turbo.min.js"
pin "@hotwired/stimulus", to: "stimulus.min.js"
pin "@hotwired/stimulus-loading", to: "stimulus-loading.js"
pin_all_from "app/javascript/controllers", under: "controllers"
pin "@popperjs/core", to: "https://unpkg.com/@popperjs/[email protected]/dist/esm/index.js"
pin "bootstrap"

In your application.js, you will import them as such:

// Configure your import map in config/importmap.rb. Read more: https://github.com/rails/importmap-rails
import "@hotwired/turbo-rails"
import "controllers"
import "@popperjs/core"
import "bootstrap"

Subsequently, in your application.sass.scss, you can import the css styles from the vendor directory:

// Entry point for your Sass build
@import "../../../vendor/stylesheets/bootstrap/bootstrap.scss";

Alternatively, you can adjust the path accordingly if the Bootstrap files are located in a different directory within your project.

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