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Real World SPA

Real World SPA. A Knockout Case Study. Cory House | bitnative.com | @housecor | speakerrate.com/talks/27181. Hi, I’m Cory. @ housecor. What monthly payment would you like?. JavaScript Configuration Object Pattern. Config Object Pattern: A justification. Separation of concerns

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Real World SPA

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  1. Real World SPA A Knockout Case Study Cory House | bitnative.com | @housecor | speakerrate.com/talks/27181

  2. Hi, I’m Cory. @housecor

  3. What monthly payment would you like?

  4. JavaScript Configuration Object Pattern

  5. Config Object Pattern: A justification • Separation of concerns • Caching  • Minimizes string parsing overhead • Code coloring • Syntax checking • Reusable • Reduced payload • Less abstraction • More at bitnative.com/2013/10/06/javascript-configuration-object-pattern/

  6. Unobtrusive JavaScript: Have we come full circle?

  7. Stay DRY by Mapping • http://jsfiddle.net/housecor/uAe3k

  8. Databinding advantages • Discoverability • Clarity • Less Code – Separation of tightly bound concerns without a strong interface abstracts rather than clarifies.

  9. And pick a language?!

  10. And a testing framework…

  11. Network Transport • AJAX • Go 2-way: • WebSocket • AJAX Long-polling • Adobe® Flash® Socket • AJAX multipart streaming • Forever Iframe • JSONP Polling • Or punt:

  12. Service Layer • WebAPI

  13. Utility Libraries

  14. Data

  15. NoSQL?

  16. Cross Browser Testing XP-More Many options: http://bit.ly/16cXevo

  17. Convention • Composition<div data-bind=“compose: ‘viewmodels/vehicle’></div> <!-- ko compose: ‘viewmodels/vehicle’ --><!-- /ko --> • Dependency Management • Routing

  18. RequireJs • Utilizes AMD pattern • Dynamically load JS • Inject dependencies • Watch for circular dependencies

  19. DOM Weight • Traditional: Every element is rendered on the server and thus on the client. • Client-side: Elements are rendered real-time as needed.

  20. Key: Centralized AJAX Calls

  21. Why? • Responsive • Rich Interactivity • Separation of concerns • Efficient • Simple - Less abstraction • Debugging • No compile wait • Faster page load

  22. Why not? • Proprietary business logic • Low interactivity • Slower page load • Page is rarely called • Complex – Too many choices! • Debugging pain • Runtime errors • Cryptic • One mistake and nothing loads

  23. SPA Experience Complete • Back to the real world. • Cory House • bitnative.com • @housecor • speakerrate.com/talks/27181

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