[Seaside] Re: Using Polymer Webcomponents in seaside

Sebastian Heidbrink sebastian_heidbrink at yahoo.de
Tue Dec 1 00:39:40 UTC 2015

Hi Andy,

I use/d Amber and Seaside and there is one particular thing that I never 
really liked.
You still do not feel like writing web content in a comfortable way. 
Even though development speed pick's up as soon as you have implemented 
your basic framework and components I always thought it might be more 
convenient to use the specialized IDEs for HTML, JS and CSS for the 
first visualization of your proof of concept.

Now I stumbled across Polymer and I finally had the impression that one 
can, just like in Seaside, built small easy to understand components and 
grow from there. I actually like the separation of JS, HTML and CSS in 
Polymer as well as the loosely coupling of the application parts via 
events,.... just like in Smalltalk.
BUT! I can not yet imagine on how to debug a complex Polymer application 
where some components might even be developed by other developers or 

This is why I thought,.... PharoJS and Polymer might be a good fit.
Unfortunately I was very close to write you anyways that it currently 
seems to me as if PharoSJ is not really there yet. I understood the 
concept behind PharoJS but to integrate the needed websocket proxy layer 
of PharoJS into Polymer is something I still have trouble to wrap my 
head around.
I think Noury or Dave will first have to tell me how they would 
integrate something like jQuery into PharoJS in order to enable me to 
take what I already have and finish the Polymer parts missing.
One might be able to use Polymer right now, but the resulting JS code 
would not be comparable to the one used in the Polymer documentation and 
that does not really make sense to me. One would implement PharoJS Code 
that accesses/manipulates an existing polymer object based on 
http://polymer.github.io/polymer/ Polymer.Base and not just provide a 
json specification as a configuration for a Polymer constructor.

I am not sure yet if PharoJS is the right thing for me. I still feel 
like writing Amber or Seaside code but this time against a wall of proxy 
objects (document, window, WebSocket, ... ). I, again, need to know and 
learn the api of those first class objects and their particular 
But if you would like to implement pure logic, independent from third 
party libraries then PharoJS is alreay providing a lot to accomplish that.

The only thing that needs more attention is the layer that takes care of 
the proxy and web socket live cycles. I have to restart my image too 
often to have a working JbBridge again...

What did you try so far?

On 2015-11-30 8:47 AM, Andy Burnett wrote:
> >>> Sebastian Heidbrink said
> Hi Andy,
> I actually just started to write a little PolymerWorkbench as a
> proof-of-concept to integrate Glamour, PharoJS and Polymer. I have no
> idea if that will work at all yet, since I have only little PharoJS
> experience so far. Seaside is no target of mine. I parse the web
> component definition files and will edit CSS and HTML directly.
> Eventhandling and script generation shall be done via PharoJS. I think
> this could open the PharoIDE to the web dev world if successful.
> My impression on Polymer is the same as yours.
> I have the impression that Polymer finally adds some software
> engineering level sanity to the JS web world...
> I'll let you know once I will have made sources available.
> <<<
> That sounds very interesting indeed. I have just started playing with 
> PharoJS. So, I am keen to learn about your experience.
> Cheers
> Andy
> _______________________________________________
> seaside mailing list
> seaside at lists.squeakfoundation.org
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside

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