Getting Uncaught Error: Cannot find module 'controllers'

[hotwired]

Getting Uncaught Error: Cannot find module 'controllers'

[kuei0221]

Cool, that is what exactly we need. I found this file here https://github.com/rails/webpacker/blob/v4.0.0/lib/install/examples/stimulus/controllers/index.js,
we can just place it in the controller directory and stimulus:install:webpacker will handle it for us.
I will make a PR for this 😄

[jacobdaddario]

Is there a controllers directory anywhere in your application? It may be that Stimulus was installed into the asset pipeline, meaning that the controllers folder is in yours app/assets folder. I believe that the error is saying that Webpack can't find the controllers folder in its load path.

[guizero]

Hey @jacobdaddario . Yes, the javascripts/controllers is there with the hello_world_controller.js

I believe that the imported controllers was coming from this gem. Do I have to create a controllers/index.js manually?

[guizero]

Just so you understand the steps I have followed.

Using Rails 6.1.1.1

rails new app
cd app
bundle install
bundle add hotwire-rails
rails hotwire:install

I am using rails with webpacker as default.

And then scaffolded a posts model. Just that.

When visiting localhost:3000/posts the error shows up

[kuei0221]

I have encountered the same problem and find the solution in hotwire's document
The path has modified to fit the directory hotwire auto-created.

import { Application } from "stimulus"
import { definitionsFromContext } from "stimulus/webpack-helpers"

const application = Application.start()
const context = require.context("../controllers", true, /\.js$/)
application.load(definitionsFromContext(context))

[guizero]

Hey @kuei0221 , cool! I'd done the same to make it work. I just believe that this should be added to this gem, I mean, when using webpacker (currently default on rails apps) this index should be created as well.

Actually, when you run
rails webpacker:install:stimulus

The file is created.

[guizero]

I am happy to see that it was already merged =) @kuei0221

[afomera]

Ran into this issue when I added hotwire-rails and then ran the install script, Appears fixed in main from when using stimulus-rails from GitHub. Hoping @dhh or friends can ship a new release soon so we don't need to use the gem from GitHub (and so hotwire-rails's gem will just work) 🤞

[noctivityinc]

The README needs to be updated to reflect the new steps