Real World Windows 8 Apps in JavaScript
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Let’s talk about what Microsoft has given us for building ambitious, real-world Windows 8 apps in HTML5 and JavaScript��but also what’s missing, and how we can fill in the gaps.
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Real World Windows 8 Apps in JavaScript
- 1. Real-World Windows 8 Apps in JavaScript
- 2. Domenic Denicola • https://github.com/domenic • https://npmjs.org/~domenic • https://github.com/NobleJS Things I’ve done recently: • http://es6isnigh.com • Promises/A+
- 4. The Advanced Basics IMPORTANT STUFF THAT’S NOT OBVIOUS
- 5. Windows vs. WinJS Windows: shared between all app types Mostly non-applicable stuff: Xaml, JSON, threading, … Gems you might have to deal with: • Windows.Graphics.Display.DisplayProperties.resolutionScale • Windows.UI.Notifications.ToastNotificationManager.createToastNotifier • Windows.Globalization.DateTimeFormatting.DateTimeFormatter.shortDate.format Useful-looking namespaces: • Windows.Devices.Sensors, Windows.Storage.Pickers, Windows.Networking.PushNotifications, …
- 6. Windows vs. WinJS WinJS: JavaScript specific Good/useful: • WinJS.Application: application lifecycle • WinJS.Resources: resource strings • WinJS.UI: controls Bad/ugly: • WinJS.Utilities, WinJS.Fragments, WinJS.Navigation, WinJS.UI.Pages: use other libs • WinJS.Class, WinJS.Namespace: yet another class library • WinJS.Binding: one-way databinding, WTF!
- 7. Let’s talk about those controls <div data-win-control="WinJS.UI.AppBar"> <button data-win-control="WinJS.UI.AppBarCommand" data-win-options="{ id: 'cmd', label: 'Command', icon: 'placeholder' }"> </button> </div> Inert until WinJS.UI.processAll is called: • Then they morph into fully-functioning controls • In particular the element gets a winControl property
- 8. Let’s talk about those controls The good news: • Implemented entirely in JavaScript, HTML, and CSS! • Takes care of so much for you • You can avoid the inline attributes (which can only refer to global variables) by using WinJS.UI.setOptions(element) after calling WinJS.UI.processAll(element).
- 9. Let’s talk about those controls The bad news:
- 10. Demo time
- 11. Cooking with Gas WHAT REAL APPS NEED THAT STUPID DEMO APPS DON’T
- 12. It’s 2012. What do we expect? • A module system • A package ecosystem • A way to stop writing raw CSS/HTML/JS • A build process! Introducing: WinningJS-build
- 13. It’s 2012. How do we structure apps? • We use a MV* framework: • Angular • Backbone • Ember • Knockout • … • BUT! We need to integrate with WinJS controls • This needs custom solutions • WinningJS UI is one, but it’s immature and based on Knockout. • Come up with your own! • Ditch the WinJS navigation/pages/fragments. We know how to solve these problems.
- 14. It’s 2012. How do we write code? First, we write tests. Too bad there’s no support for running them, at all. This problem is not solved yet. Ideas: • Stub everything, including the DOM/WinJS.*/Windows.*, and run your tests in Node. • Create a “hidden screen” where you can manually run your tests. • Automate somehow.
- 15. • We need more open-source efforts: • Libraries to wrap overcomplicated WinJS/Windows • Integration into other MV* frameworks What’s • Sample apps Next • We need tooling: • Better scaffolding and build tools • Improve and extend Visual Studio… • … or branch out and make it work in a text editor • We need to solve the testing problem! Talk to me. Let’s build something.
Editor's Notes
- Hook: “Microsoft 1.0”
- https://github.com/bnedu/beretta/blob/master/package.json#L14-47https://github.com/NobleJS/WinningJS-build