[web-devel] On the state of Haskell web frameworks

Michael Snoyman michael at snoyman.com
Mon Sep 20 09:04:32 CEST 2010

On Mon, Sep 20, 2010 at 8:37 AM, Christopher Done
<chrisdone at googlemail.com> wrote:
> On 20 September 2010 04:50, Marc Weber <marco-oweber at gmx.de> wrote:
>> Excerpts from Nils Schweinsberg's message of Sun Sep 19 18:50:39 +0200 2010:
>>> By the way, did anyone use javascript on their websites? I wonder if
>>> there are any nice ways to combine those two worlds?
>> Haskell:
>> - http://github.com/sviperll/ghcjs (There is work in progress):
>>  JS backend for GHC. You have to find a way to compile the base
>>  packages. It was originally written for ghc-6.8.2
>> - YHC (york haskell compiler) has a JS backend
>> - of course those DSL's you can find on hackage
>> My guess is that Haskells laziness adds both: a runtime penalty and a
>> code size penalty. I don't have proofs for that.
> I've been thinking maybe a nicer route is to have a DSL which
> generates JavaScript or jQuery or some higher-level JS library. We
> don't need to compile *Haskell* code to JavaScript, I don't think --
> we can merely have a good declarative description language in
> something like Applicative or an Arrow. I haven't tried it yet but
> I'll let you know how that goes.

That sounds like a much better approach. I would be interested in such
a library as well, so please keep us updated.


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