HAML provides the ability to use interpolation anywhere within the
javascript literal. For example:
:javascript
window.addEvent('domready', function(){
console.log("#...@some_string}");
});
set @some_string on the controller and you'll be able to get what you
need.
It's definitely not great for blocks and if/then statements, but it
should provide for at least a bit of dynamic content within your
javascript code. I'd recommend against all that though and doing
things through non-obstrusive methods.
On Nov 9, 2009, at 8:43 PM, Jon Hancock wrote:
>
> Here's my problem: I'm using haml templates. Haml has a nice tag for
> embedding javascript. So I can have a template that look like so:
>
> %h1 my page
> #someDiv
> :javascript
> window.addEvent('domready', function(){
> // do some cool stuff
> });
>
> This allows me quite a bit of freedom. However, what do I do when the
> javascript needs some parameters, for example some variable from my
> controller? I can't do this as the haml javascript embedding is
> literal.
>
> I have been thinking about a merb helper so I could write the above
> as:
>
> %h1 my page
> #someDiv
> = javascriptHelper
> window.addEvent('domready', function(){
> // do some cool stuff WITH PARAM PARSING ON THIS CONTENT
> });
>
> But I don't see how this can be done. Any ideas on how to make this
> easy? The current helpers I'm writing are horrific javascript string
> concatenation nightmares.
>
> thanks, Jon
> >
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