Writing Clojurescript with Angular

[Yehonathan Sharvit]

Hello,

I am pushing very strong clojurescript in my company.
Currently we use cljs + angular.

I am curious to know how many people use this stack and do you have any recommendation?

Thanks.

[Rory Douglas]

I'm not using this, but I'd be interested to know if you're using Gyr or just direct JS interop?

[Kevin Lynagh]

My company has worked on several projects using cljs + Angular.
I wrote a blog post last year outlining some of it:

http://keminglabs.com/blog/angular-cljs-weather-app/

The decision was a pragmatic one at the time, but in the most few months we've been doing new work using React/Om, which feels much nicer to use from ClojureScript than Angular does.

I recall in particular the cljs<->js datatype coercion got tricky in places and it was easy to trip over.

[Gary Trakhman]

Now cljs supports 'specify' so it'll be a bit easier to work with angular than when Kevin wrote his original blog post.

http://dev.clojure.org/jira/browse/CLJS-414

I tried to build something with CLJS/Angular before Om was a thing, and I found it hard to keep track of what kind of data I was passing around, and to reconcile immutable ops with mutable JS data structures. 

No longer worth it, imo.

Haven't tried gyr.

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[Yehonathan Sharvit]

Could you please elaborate about how 'specify' is helpful in the angular + cljs context?

[Yehonathan Sharvit]

On Sunday, 19 October 2014 19:25:10 UTC+3, Rory Douglas wrote:
> I'm not using this, but I'd be interested to know if you're using Gyr or just direct JS interop?

I am using Gyr and it is great for:
1. macros for controller/service... definition
2. accessing js nested structure
3. calling js functions

And... All of these work fine in advanced compilation mode.

[Gary Trakhman]

It's helpful in the sense that you can wrap standard arrays and JS objects to work with CLJS protocols without globally affecting your whole app.  That may or may not be 'easier', but it's potentially simpler. 

[Yehonathan Sharvit]

Could you give an example, please?

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[Gary Trakhman]

This is the only example I have that uses specify at the moment, but it's treating a JS object as a map: https://gist.github.com/gtrak/f159d1e0c3339cad5259#file-request-cljs-L48

That particular use-case could be accomplished with reify, but the important difference is that it's the same object, you can pass it around without wrapping it in something else and still use all the standard JS methods on it.

[Yehonathan Sharvit]

What is the advantage of specify over extend-type like this: https://gist.github.com/viebel/8461313