Install stimulus

Author: domchristie

Gemfile

@@ -21,6 +21,7 @@ gem 'redis', '~> 4.0'
 gem 'hotwire-rails'
 gem 'importmap-rails'
 gem 'turbo-rails'
+gem 'stimulus-rails'
 
 # Use Active Storage variant
 # gem 'image_processing', '~> 1.2'

Gemfile.lock

@@ -243,6 +243,7 @@ DEPENDENCIES
   sass-rails (>= 6)
   selenium-webdriver
   spring
+  stimulus-rails
   turbo-rails
   tzinfo-data
   web-console (>= 4.1.0)

app/assets/javascripts/controllers/hello_controller.js

@@ -0,0 +1,7 @@
+import { Controller } from "stimulus"
+
+export default class extends Controller {
+  connect() {
+    this.element.textContent = "Hello World!"
+  }
+}

app/assets/javascripts/importmap.json.erb

@@ -1,6 +1,5 @@
 {
   "imports": {
-    "turbo": "<%= asset_path "turbo" %>",
     <%= importmap_list_with_stimulus_from(
       "app/assets/javascripts/models",
       "app/assets/javascripts/controllers",