Adam Beynon adambeynon

## frap_vienna.rb
class User < Vienna::Model
  attributes :first_name, :last_name
end

user = User.new
first = Frappuccino::Stream.new(user).capture(:changed_first_name)
last = Frappuccino::Stream.new(user).capture(:changed_last_name)

# last name is any change to first or last name
last_name = first.merge(last).map { "#{user.first_name} #{user.last_name}" }

## promises.rb
Product.find(1).then do |product|
  puts "product: #{product}"
end.else do
  puts "failed :("
end

## test_vienna.rb
describe NewProductView do
  # do we have to repeat this?
  view NewProductView

  it "tries to add product on click submit" do
    expect(view).to receive(:add_product).once
    find('#submit').click
  end
end

## application.js.rb
require 'opal'
require 'rails_templates'

p Template.paths
# => ['login', 'logout', 'user', 'user/new']

## bar.rb
class Bar < Foo

end

## opal_modules.js
// runtime
Opal.modules = {};

Opal.register = function(name, body) {
  Opal.modules[name] = body;
};

Opal.require = function(name) {
  var module = Opal.modules[name];


## local_storage.rb
module LocalStorage
  def self.[](name)
    `localStorage.getItem(name)`
  end

  def self.[]=(name, value)
    `localStorage.setItem(name, value)`
  end

  def self.key?(name)

## opal_js.md

      
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                adambeynon
                / opal_js.md
            
            
              Last active
              August 29, 2015 13:55
            
              
                Notes/summary from weekend discussion (Jan, 31).
              
          
    Notes/summary from weekend discussion (Jan, 31).
Variables: nil, true, false, self

nil == null == undefined
nil   # => null
true  # => true
false # => false

  
## haml_bindings.haml
.row
  .col-md-8
    %h2 Items
  .col-md-3
    %h2 Shopping List

    = bind_unless cart_empty? do
      %a.btn.btn-default#clear-cart(style="width: 50%")
        = bind clear_title

## opal_sinatra.rb
require 'opal'
require 'sinatra'

get '/' do
  <<-EOS
    <!doctype html>
    <html>
      <head>
        <script src="/assets/application.js"></script>
      </head>
	class User < Vienna::Model
	attributes :first_name, :last_name
	end

	user = User.new
	first = Frappuccino::Stream.new(user).capture(:changed_first_name)
	last = Frappuccino::Stream.new(user).capture(:changed_last_name)

	# last name is any change to first or last name
	last_name = first.merge(last).map { "#{user.first_name} #{user.last_name}" }
	Product.find(1).then do \|product\|
	puts "product: #{product}"
	end.else do
	puts "failed :("
	end
	describe NewProductView do
	# do we have to repeat this?
	view NewProductView

	it "tries to add product on click submit" do
	expect(view).to receive(:add_product).once
	find('#submit').click
	end
	end
	require 'opal'
	require 'rails_templates'

	p Template.paths
	# => ['login', 'logout', 'user', 'user/new']
	// runtime
	Opal.modules = {};

	Opal.register = function(name, body) {
	Opal.modules[name] = body;
	};

	Opal.require = function(name) {
	var module = Opal.modules[name];
	module LocalStorage
	def self.[](name)
	`localStorage.getItem(name)`
	end

	def self.[]=(name, value)
	`localStorage.setItem(name, value)`
	end

	def self.key?(name)
	.row
	.col-md-8
	%h2 Items
	.col-md-3
	%h2 Shopping List

	= bind_unless cart_empty? do
	%a.btn.btn-default#clear-cart(style="width: 50%")
	= bind clear_title
	require 'opal'
	require 'sinatra'

	get '/' do
	<<-EOS
	<!doctype html>
	<html>
	<head>
	<script src="/assets/application.js"></script>
	</head>