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! Marco Roth
@marcoroth_
@[email protected] marcoroth.dev
@marcoroth
Full-Stack Developer & Open Source Contributor
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Brighton Ruby 2018
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Revisiting the Hotwire Landscape
after Turbo 8
Marco Roth
Full-Stack Developer & Open Source Contributor
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CableReady
Core Team
Maintainer
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I ❤ Open Source
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Open Source Journey
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Started to actively contribute in 2019
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Started to actively contribute in 2019
Went full-time on OSS in January 2022
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Started to actively contribute in 2019
Went full-time on OSS in January 2022
Started contracting in July 2023 to support
working on OSS 50% of my time
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X
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Superpower
⚡
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The future of modern
Rails apps
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Rails Renaissance
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$
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%
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I want to build modern
frontend tools and tooling
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…that are worthy of the Rails
framework and it’s history.
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Tools that feel right for the
inclusion in Rails
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And I think that changed the trajectory
for the ecosystem quite a bit.
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What is
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HTML-over-the-wire
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We want to use HTML as the
format for our application.
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The server is the
single source of truth
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We want to use the HTML and the
business logic we already have on
the backend
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Without having to duplicate any
logic on the frontend
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Hotwire is not about getting rid of JavaScript.
Hotwire is about reducing the amount of
application-specific JavaScript
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Timeline and History
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2012
Turbolinks first released Rails 3.2
2013 Rails 4.0
Turbolinks ships per default in Rails
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$ rails new —-skip-turbolinks
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Turbolinks was a decade
ahead of it’s time.
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2012
Turbolinks first released Rails 3.2
2013 Rails 4.0
Turbolinks ships per default in Rails
2014
2016
Turbolinks 5 released Rails 5.0
Rails 4.1 and Rails 4.2
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RailsConf 2016 - Turbolinks 5: I Can’t Believe It’s Not Native! by Sam Stephenson
https://www.youtube.com/watch?v=SWEts0rlezA
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2012
Turbolinks first released Rails 3.2
2017
Stimulus and CableReady released Rails 5.1
2013 Rails 4.0
Turbolinks ships per default in Rails
2014
2016
Turbolinks 5 released Rails 5.0
Rails 4.1 and Rails 4.2
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Stimulus CableReady
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We were missing a way to
reactively reflect updates in
our Rails frontend.
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We wanted to build more
sophisticated Rails
applications.
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Reactive
Real-time
High fidelity
Applications
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2012
Turbolinks first released Rails 3.2
2017
Stimulus and CableReady released Rails 5.1
2018
Phoenix LiveView and
StimulusReflex released
Rails 5.2
2013 Rails 4.0
Turbolinks ships per default in Rails
2014
2016
Turbolinks 5 released Rails 5.0
Rails 4.1 and Rails 4.2
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StimulusReflex
LiveView
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Build reactive applications
with the Rails tooling you
already know and love.
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Stimulus
Turbolinks
Rails UJS
CableReady
2018
ActionCable
Rails
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<%= Time.current.to_i %>
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class CounterController < ApplicationController
def show
@count = session[:count] || 0
end
end
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+
-
Count:
<%= @count %>
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class CounterReflex < ApplicationReflex
def increment
session[:count] += 1
end
def decrement
session[:count] -= 1
end
end
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&✨
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2012
Turbolinks first released Rails 3.2
2017
Stimulus and CableReady released Rails 5.1
2018
Phoenix LiveView and
StimulusReflex released
Rails 5.2
2013 Rails 4.0
Turbolinks ships per default in Rails
2014
2016
Turbolinks 5 released Rails 5.0
Rails 4.1 and Rails 4.2
2019
2020
Hotwire umbrella and Turbo released Rails 6.1
Rails 6.0
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December 2020
Turbo Drive
Turbo Frames
Turbo Streams
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2012
Turbolinks first released Rails 3.2
2017
Stimulus and CableReady released Rails 5.1
2018
Phoenix LiveView and
StimulusReflex released
Rails 5.2
2021 Rails 7.0
Hotwire ships per default in Rails
2013 Rails 4.0
Turbolinks ships per default in Rails
2014
2016
Turbolinks 5 released Rails 5.0
Rails 4.1 and Rails 4.2
2019
2020
Hotwire umbrella and Turbo released Rails 6.1
Rails 6.0
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2012
Turbolinks first released Rails 3.2
2017
Stimulus and CableReady released Rails 5.1
2018
Phoenix LiveView and
StimulusReflex released
Rails 5.2
2021 Rails 7.0
Hotwire ships per default in Rails
2013 Rails 4.0
Turbolinks ships per default in Rails
2014
2016
Turbolinks 5 released Rails 5.0
Rails 4.1 and Rails 4.2
2019
2020
Hotwire umbrella and Turbo released Rails 6.1
Rails 6.0
2023 Rails 7.1
2024
Turbo 8 with Morphing released
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February 2024
Turbo Page Refreshes Turbo Model Broadcasts
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2018
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2018
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2018
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2021
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2024
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The paths are converging
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They have the same goal
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Hotwire is the default
in Rails now
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Build reactive applications with
the Rails tooling you already
know and love.
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Should you start new apps
with StimulusReflex?
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Probably not.
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Hotwire has come a long
way over the years
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Both projects have the
same end goal
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The projects are somewhat
competing.
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People are confused with the
amount of projects and their
boundaries
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Simplifying the Hotwire
ecosystem doesn’t hurt
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StimulusReflex 3.5
CableReady 5.0
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StimulusReflex 3.5
CableReady 5.0
Is out now!
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In the making
for over 3+ years
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The StimulusReflex Core team
has decided that v3.5 is the
last feature-release for now.
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Instead, we want to focus and
help on improving the greater
Hotwire ecosystem.
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Going forward we would love
to help make Hotwire the best
framework in this space.
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Make it the best for Rails
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StimulusReflex inspired
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StimulusReflex pushed
what is possible
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Turbo Frames
Turbo Streams
Custom Turbo Stream Actions
Turbo Broadcasts
Turbo Page Refreshes
Morphing
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We were pushing what’s
possible with the HTML-over-
the-wire approach
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Before the Hotwire umbrella
was even a thing
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StimulusReflex has been
innovative
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StimulusReflex + CableReady Hotwire / Turbo Difference
DOM Updates
May 2017
CableReady Operations
Dec 2020
Turbo Streams
3 yrs 7 mo
Morphing as an individual
concept
Aug 2019
CR Morph Action + SR Morphs
? 4 yrs 9 mo+
Scoped Navigation
Oct 2019
data-reflex-root
Dec 2020
Turbo Frames 1 yrs 2 mo
Custom Actions
May 2020
Custom CableReady Operations
Sep 2022
Custom Turbo Stream Actions
2 yrs 4 mo
Reactive Page Refreshes
May 2020*
StimulusReflex Page Morph
Feb 2024
Turbo Page Refreshes
3 yrs 9 mo
Partial Page Refreshes
May 2020
StimulusReflex Selector Morph
? 4 yrs+
Subscribe to Models
Jan 2021
cable_ready_stream_from
Dec 2020
turbo_stream_from
-1 mo
Modal Change Broadcasts
Aug 2021
CableReady::Updatable
Feb 2024
Turbo Model Broadcasts
2 yrs 6 mo
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None of is to blame
⚠
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What can we learn from it?
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Missing a formal organizational
structure to push things
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Tooling
Education
Marketing
Documentation
Addressing Issues
Community Building
Building new features
Accelerating Adoption
Framework integrations
Answering Questions/Forums
Guides/How tos/Best Practices
Support Migrations/Transitions
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Stimulus and Turbo are now
default in Rails 7.0
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Who’s driving this?
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There is no
Hotwire "Core Team"
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Rails is diverse
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…and all the people that have
contributed and pushed Rails
over the years
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Building a community
around Hotwire
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To push things forward
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Can we have something
similar for Hotwire?
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Should we have something
similar for Hotwire?
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I think we should.
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Not about me
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What can we take over from
StimulusReflex?
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DX
Installer experience
Partial page updates
Morphing beyond Page Refreshes
Optimistic UI
Plugability
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Bringing over as much
as possible.
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It would benefit everyone.
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More diversity and
advanced uses cases
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Rails integration and
documentation is key
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So many companies use
and rely on Hotwire
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I personally want to keep
building Full-stack apps
with Rails
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Hotwire should
enable it
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Ecosystem
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Frameworks
Tooling
Community
Documentation
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Tools
!
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Developer Experience
Improvements in Stimulus
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app/javascript/controllers/user_profile_controller.js
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import { Controller } from "@hotwired/stimulus"
export default class extends Controller {
connect() {
console.log("User Profile connected")
}
}
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import { Controller } from "@hotwired/stimulus"
export default class extends Controller {
connect() {
console.log("User Profile connected")
}
}
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These mistakes
happen so easily
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Can we do better?
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Available Now
Stimulus LSP
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app/javascript/controllers/new_controller_controller.js
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New features
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Parses JavaScript classes and
traces imports and exports
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Registers and tracks
identifiers
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Stimulus LSP
Next steps
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<%= tag.div(
data: {
controller: "filter",
filter_open_class: "border-white",
filter_close_class: "hover:bg-gray-100 border-gray-300"
}
) %>
Full support for HTML+ERB and Rails-specific helpers
Ruby LSP
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# Pin npm packages by running ./bin/importmap
pin "application", preload: true
pin "@hotwired/turbo-rails", to: "turbo.min.js", preload: true
pin "@hotwired/stimulus", to: "stimulus.js", preload: true
pin "@hotwired/stimulus-loading", to: "stimulus-loading.js", preload: true
pin "@rails/request.js", to: "requestjs.js", preload: true
pin_all_from "app/javascript/controllers", under: "controllers"
pin_all_from "app/javascript/config", under: "config"
Full support for importmap-rails
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Coming Soon
Stimulus Lint
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Errors
Diagnostics
Best Practices
Recommendations
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$ stimulus-lint
Stimulus Lint is inspecting 25 files
........................
25 files inspected, 0 offenses detected, 0 offenses autocorrectable
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Pre-Release
Turbo LSP
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Planned
Stimulus/Turbo Browser Extension
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Developer Experience and
Developer Ergonomics matter.
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This is the kind of tooling
Hotwire is currently missing.
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"
Documentation
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#
Community
"
Documentation
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What’s lacking in Hotwire?
Framework-specific documentation
In-depth guides
Discoverability
Navigating the ecosystem
Presentation and marketing
Staying up-to-date
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ActionCable AnyCable CableReady Cubism current.js
Debounced Formulus Futurism Hotwire Kredis Local Time
Rails Request.js Skeletons Stimulus Stimulus Intellisense
Stimulus LSP Stimulus Parser Stimulus Rails Stimulus Use
StimulusReflex Strada Strada Android Strada Web Strada iOS
tippy.js Tom Select Turbo Turbo Boost Turbo Boost Commands
Turbo Boost Dev Tools Turbo Boost Elements Turbo Boost Streams
Turbo LSP Turbo Morph Turbo Native Turbo Native Android
Turbo Native iOS Turbo Power Turbo Power Rails Turbo Rails
View Components ….
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.IO
Community-maintained documentation and resource Hub
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Frameworks
Tooling
Community
Documentation
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https://turbo-laravel.com/
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https://ux.symfony.com/
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https://rubydoc.info/github/hotwired/turbo-rails/main
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Helping you navigate and discover the ecosystem
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Use-Cases and Best practices
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Backed by community content
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Backed by community content
If you write a post, we want to feature it next to the relevant documentation section so
it can also be discovered by the community.
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We would love to see your contribution.
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The framework is not worth
anything if people do not know
about it and can not learn about it.
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WEEKLY
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Hotwire Weekly
• A new Hotwire-focused newsletter
• Delivered Weekly
• Explore what’s happening in the world of Hotwire
• Progress and updates while we are building out hotwire.io
• Been running since Oct 2023
• Over 1300+ subscribers and growing
WEEKLY
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Coming Soon
Hotwire.io Improvements
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esbuild, importmaps or something else?
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Coming Soon
Hotwire.io Rails Asset Setup Guide
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Future and Vision
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All these projects and efforts
need to be seen by the people
in the community.
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It is a loss if people don’t know
these tools exist
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My wish is that we as a
community can continue
pushing what’s possible with
Hotwire.
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Turbo 8 has been awesome
and is going in right direction.
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But we need more of it.
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..and that we have a more
formal and "official" way of
pushing things forward.
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Optimistic UI
Optimistic client-side rendering
"Frameless"-Turbo Frames
Partial Page Morph Updates
Independent Morphing
Plugins/Extensibility
Web Components
Better React-compatibility
Better PWA support
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A more unified Hotwire
ecosystem
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Keep Building
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Keep Pushing
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Build reactive applications with
the Rails tooling you already
know and love.
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@Hotwire_Weekly
@[email protected]
Hotwire Weekly
Sign up on hotwireweekly.com
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Feedback Ideas Thoughts
Improvements
Come find me!