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David J. Hamilton - The Believer
Matthew Kocher - The Skeptic
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- Starting from the ground up
- Team of 6 rails developers with jQuery/Backbone experience
Goal of the project is to take a fresh look at Vertical Response's ten years of success, and position the company for the next ten. Building a real app, planning for real load levels, but willing to invest the time to use something which will make for a better user experience.
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Two day spike - try it out, wrap Jasmine around it.
Get bindings working in our own sandbox, explore view/template linking. Write some Jasmine model specs.
Didn't understand Ember controllers vs Rails controllers
In parallel, starting a rails back end, omniauth, beginnings of a domain model.
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Seemed to be the way forward though not production ready™. (we've got the first of many pull requests open already)
Different model - not request/response but synchronization.
API Being defined as we speak. Todo.Models.Item.find(1) just started working last week.
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Examples online for the most part use globals and bind directly to the right instance. This makes us throw up in our mouths a little bit.
Lacking a Rails 5 minute blog or J2EE pet store canonical app.
Slowly been ripping out every Ember.Xyz.create({}) that we thought was right and replacing with Ember.Xyz.extend({})
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Mock the clock - The DOM is slow. Ember batches DOM updates using a run loop. Mock the clock, tick the clock.
Ember.testing not documented, seems to just replace jasmine.Clock.tick(1) with Ember.run()
Test Pollution
Write helper functions - For instance, render a view and attach to the test dom.
Test are slow - our view tests are > 90% of our suite time.
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Do we have to write the ember data rails adapter?
Are controllers global? When should they be instantiated? When should they be destroyed?
Where are the apps? Travis-ci.org has been useful, but it's a bit of a special case app. Todo examples are not big enough to drive out reusable patterns.
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Shelling out the jQuery - Yes, we know we can make things display conditionally based on view/controller state. This seems heavyweight for a drop down menu, can we just have Ember trigger jQuery code?
Contributing Upstream - How long does a pull request take?
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We like it. The parts that are done are solid, but there are plenty of places where features you expect just aren't there or are undocumented.
Slides available at http://bit.ly/emberjs