Article originally published here : https://saaslit.com/blog/ruby/how-to-add-or-remove-a-stimulus-controller
How to add a Stimulus controller
bin/rails generate stimulus foo
I don't always rely on Rails generator, I parcularly enjoy to write Rails migration file by myself.
However I advise to stick with the generator for Stimulus, I find it safer, to avoid spelling mistakes - remember that Rails relies on naming conventions to wire things together.
Now the Stimulus controller is generated as follow inside the app/javascript/controllers/index.js
file :
// app/javascript/controllers/index.js
import { application } from "./application"
import HelloController from "./hello_controller.js"
application.register("hello", HelloController)
import FooController from "./foo_controller.js"
application.register("foo", FooController)
How to remove a Stimulus controller
bin/rails destroy stimulus foo
This command may fail, so check that lines were correctly removed inside
app/javascript/controllers/index.js
.
If not, then manually remove the two lines, and run bin/rails stimulus:manifest:update
.
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