coffeescript – Tarik Billa

Using bootstrap-modal as Backbone.js view

January 9, 2024 by Tarik

Allright, so the solution is was rather simple: App.Views.ProjectsNav ||= {} class App.Views.ProjectsNav.NewProjectView extends Backbone.View tagName: ‘div’ events: { ‘click .save’: ‘save’, ‘click .cancel’: ‘hide’, ‘hidden’: ‘hidden’, ‘shown’: ‘shown’ } initialize: (options) -> super(options) @collection = options.collection hide: () -> @el.modal(true).hide() false save: (e) -> … @model.save(attrs, { success: (project) => @model = project @collection.add(@model) … Read more

Why use the javascript function wrapper (added in coffeescript) “.call(this)”

January 5, 2024 by Tarik

It’s a way to make sure that the compiled CoffeeScript has its own scope for variable names. This has benefits in terms of efficiency and simplicity (you know you the generated JavaScript won’t stomp on variables used by other code). You can disable it with the –bare (or -b) option to the CoffeeScript compiler. The … Read more

Breaking/Continuing nested for loops in Coffeescript

January 5, 2024 by Tarik

break works just like js: for cat in categories for job in jobs if condition do this break ## Iterate to the next cat in the first loop Your second case is not very clear, but I assume you want this: for cat in categories for job in jobs do this condition = job is … Read more

Cannot call ‘start’ of undefined when starting backbone.js history.

January 1, 2024 by Tarik

Do you have any routes on the controller? Backbone only creates the history once at least one route is specified. More: TypeError: Cannot call method ‘start’ of undefined** Hmm, for some reason Backbone.history is undefined, and so there is no start method on it. It turns out that Backbone.js creates an instance of Backbone.History (upper … Read more

Anonymous functions syntax in CoffeeScript

December 31, 2023 by Tarik

didn’t actually compile it, but this should work (($) -> app = $.sammy -> this.get ‘#/’, -> $(‘#main’).text ” this.get ‘#/test’, -> $(‘#main’).text ‘Hello World’ $(-> app.run() ) )(jQuery);

CoffeeScript editor for MacOS

December 22, 2023 by Tarik

On http://jashkenas.github.com/coffee-script/ there is a list of what is available. For Emacs there is CoffeeScript Major Mode (Emacs for mac: http://aquamacs.org/) For Vim there is Vim CoffeeScript (Vim for mac: http://code.google.com/p/macvim/) For Textmate there is CoffeeScript TextMate Bundle (how noted by Trevor, this is maintained by CoffeeScript creator Jeremy Ashkenas. And how noted by Chocohound, … Read more

Testing JS exceptions with Mocha/Chai [duplicate]

December 21, 2023 by Tarik

Either pass the function: chai.expect(manager.test).to.throw(‘Oh no’); Or use an anonymous function: chai.expect(() => manager.test()).to.throw(‘Oh no’); See the documentation on the throw method to learn more.

Structuring coffeescript code?

December 21, 2023 by Tarik

What you want to do is export functionality. For instance, if you start with class Foo … class Bar extends Foo … and you decide you move Foo to its own file, that file should look like class Foo … window.Foo = Foo (where window.Foo = Foo makes Foo a global), and Bar‘s file should … Read more

Multiple Files communication with coffeescript

December 20, 2023 by Tarik

Depending on whether this is client- or server-side code, there are two slightly different approaches. Client-side: Here we attach things that should be available across files to the global namespace (window) as follows: class window.ChatService constructor: (@io) -> Then, in another file both ChatService and window.ChatService will allow access to the class. Server-side: Here we … Read more