adambeynon

[1, 2, 3, 4].each do |a|
  a
end

// [1, 2, 3, 4].$each($iter(function(a) { return a }, self));

Array.prototype.$each = function(block) {
  if (typeof(block) === 'function' && block._isBlock) {
    var block = block; 
  }

adambeynon

/*
  class Foo
    # some method to handle bananas
    def do_it
      42
    end

    def and_this
      do_it
    end

adambeynon

# We want vienna to render our Product#show view...

class ProductController < ApplicationController
  def show
    @product = Product.find(...)
    render :vienna => @product
  end
end

# The `vienna` renderer will look for a view (Vienna::View) subclass that

adambeynon

$iter(self, '$it', "should do something", ($TMP_1 = function() {
  return (1).$should()['$=='](2);
}), self);

adambeynon

class Array::Wrapper
  def self.inherited(subclass)
    real_subclass = Class.new(Array::Wrapper)
    
    %x{
      subclass._proto = real_subclass._proto;
      subclass._alloc = real_subclass._alloc;
      
      subclass.$new = real_subclass.$new;
      subclass['$[]'] = real_subclass['$[]'];

adambeynon

# Class.new
Foo = Class.new(Bar) do
  def woosh
    :kapow
  end
end

# Native.new
LocalStorage = Native.new(`localStorage`) do
  def [](key)

adambeynon

Method tables

Stupid idea, but lets just look at the benefits/costs

We compile a ruby call currently as:

recv.$foo(1, 2, 3);

adambeynon

Opal.register_metadata([
  {
    "method": "Array#size",
    "file": "opal/array.rb",
    "line": 12,
    "source": "# This method.......\ndef size;....\nend"
  },
  
  {
    "method": "Array#slice",

adambeynon

describe "Timeouts" do
  async "blah" do
    default_timeout 100
    
    set_timeout(4000) do
      run_async { :ok }
    end
  end
end

adambeynon

module JqueryRspecHelpers
  def stub_http(action, url, result)
    expect(HTTP).to receive(action).with(url).and_yield(result)
  end
end

describe User do
  describe ".current" do
    it "should make an http request for user details" do
      stub_http(:get, '/current_user', { "name" => "Fred", "admin" => true })