[Haskell-cafe] Need advice: Haskell in Web Client

Dag Odenhall dag.odenhall at gmail.com
Wed Jan 18 22:37:52 CET 2012

On Tue, 2012-01-17 at 22:05 +0300, dokondr wrote:
> On Tue, Jan 17, 2012 at 6:42 PM, John Lenz <lenz at math.uic.edu> wrote:
> >
> > HTML5 Canvas is great for charts.  If you go this route you might as well
> > use a library which draws charts for you instead of writing all this code
> > yourself.
> >
> > Personally, I use extjs version 4 which has some amazing charts, but there
> > are other libraries out there.
> >
> > http://www.sencha.com/**products/extjs/examples/#**sample-3<http://www.sencha.com/products/extjs/examples/#sample-3>
> >
> > Essentially the server provides the data in JSON or XML some other format,
> > and the extjs code draws the charts on the client side.
> >
> > If you go with extjs, then the server side I would suggest a small, simple
> > yesod or snap server.   You could probably get the server under a hundred
> > lines of code with yesod; see some of the examples in the yesod book.
> >  yesod or snap would serve JSON of the statistics on request, and also
> > serve the javascript files which draw the charts.
> >
> Yes, I was thinking about using Haskell to generate everything that
> specific Javascript library needs to display charts in browser. Naturally
> charts are to be displayed by this library itself. I also would like to
> have Haskell tools to generate Web GUI in Javascript.
> As for yesod, I am not sure that I like approach which mixes HTML with
> code, or even worse - creates a new weird HTML-like language like  'whamlet
> quasi-quotation', for example:
> <!-- <a href=@{Page1R}>Go to page 1! -->
> I prefer using Turing complete PL to program web client, like the one used
> in GWT (Java) or Cappuccino  (Objective-J). http://cappuccino.org/learn/
> In this case you /almost/ don't need to know  HTML, CSS, DOM, Ajax, etc. to
> develop WebUI and good PL lets you concentrate on problem domain instead of
> bothering about browser support.
> It is a real pity that Haskell still has no such tools to generate Web GUI
> in Javascript. (((

Have you seen Chris Done's posts on the subject?


More information about the Haskell-Cafe mailing list