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Frontend Choices
Alex Coles
September 18, 2014
Technology
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Frontend Choices
Alex Coles
September 18, 2014
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Transcript
Frontend choices Alex Coles | Ruby & Rails Meetup, Дніпропетро́вськ
front end vs. frontend
Not really about choice
‘I’m a backend guy living in a frontend world’
About me
@myabc Alex Coles Berlin, Germany Finn GmbH
openproject.org
eurucamp.org
1..2..3
one one: background
Single Page Application Architecture
Single Page Application Architecture • Chunking • Controller • Templating
• Routing • Real-time Communicaton • Local storage min MAX
single page vs. traditional HTML
naturally content-dependent
What’s your content? Information Pages Membership sites Closed Systems
Content Criteria • Authentication • Caching • Indexing (SEO) •
Content TTL - relevance at a point in time
Curated content vs. dynamic • how many combinations of a
unique set of data: • a blog with comments • a hotel page with reviews • a dashboard
two two: where we are now
“The Rails Way”
History of the Rails Interface
“Rails is so 2005”
“Rails Way” back in 2005 • Server Generated HTML (ERB,
etc.) • Prototype • Scriptaculous • RJS
http://slash7.com/assets/2006/10/8/RJS-Demistified_Amy-Hoy-slash7_1.pdf RJS
RJS <div id="items"></div> <%= link_to_remote 'Add to cart', url:
{ controller: 'cart', action: 'add_to_cart' }%> erb view class CartController < ActionController::Base def add_to_cart @item = CartItem.new @cart.items << @item end end controller page.insert_html :bottom, :items, partial: 'item', object: @item page.replace_html :items_count, I18n.t(:item, count: @cart.items.count) rjs view
“Rails Way” now • Server Generated HTML (ERB, Slim, HAML
etc.) • jQuery • jQuery UI • Server generated JavaScript Responses (SJR)
Where we are now
JavaScript has grown up
No backend nobackend.org
Hoodie hood.ie
Meteor www.meteor.com
but I <3 Ruby
So here’s the question…
None
Room for Rails?
The Rails Way
– Marcin Stecki @madsheep at wroc_love.rb “Not his [DHH]'s responsibility
to tell us how to do these things.”
Frontend frameworks
Frontend (MV*) frameworks • AngularJS • Ember.js • KnockoutJS
Frontend (component) frameworks • ReactJS • Backbone.View (alone) • ExtJS
TodoMVC todomvc.com
None
None
None
What is most like Rails?
Ember.js is most like Rails • Everything should inherit from
Ember.Object (think ActiveRecord::Base.inherited) • Routing DSL • Vocabulary (templates, partials, etc.)
three three: practical usage
Using asset pipeline / sprockets
Use Bower
3 options for using Bower
gem install bower-rails Option 1
Rails 4 (Sprockets 2+) Option 2
config.assets.paths << File.join(Rails.root, 'vendor', 'assets', ‘components') Option 2
Option 3 rails-assets.org
ember-rails-api github.com/dockyard/ember-appkit-rails
the app/assets/javascripts silo
None
What is the way forward?
(IMHO)
Split Completely
I don’t like monoliths
Two applications: one API, one frontend
Rails or Sinatra for API A JS workflow for Frontend
Surprisingly testable (and fast)
One more thing…
Volt is a framework for building data rich web applications
shockingly fast. Play Video ! Get Started " Home Getting Started Docs API Blog Community # Volt Framework voltframework.com
Спасибо Спасибі
Questions?
@myabc