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Simple haml-sass conversion for jekyll

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haml_converter.rb
Ruby
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module Jekyll
require 'haml'
class HamlConverter < Converter
safe true
priority :low
 
def matches(ext)
ext =~ /haml/i
end
 
def output_ext(ext)
".html"
end
 
def convert(content)
engine = Haml::Engine.new(content)
engine.render
end
end
 
require 'sass'
class SassConverter < Converter
safe true
priority :low
 
def matches(ext)
ext =~ /sass/i
end
 
def output_ext(ext)
".css"
end
 
def convert(content)
engine = Sass::Engine.new(content)
engine.render
end
end
end

Hi there! I wrote pretty much the exact same code and put it in my plugins folder, but my HAML layouts are not being parsed, and none of my SASS files are being processed. Is this working for you?

Ah, nevermind, I forgot to put the YAML Front Matter on my SASS file. Are you using HAML for your layout files?

Glad you got it. Perhaps I should put an example of a jekyll+haml file on that blog post...

That could be helpful for newbies like me =)

Hello guys. Did you any solution regarding the _layouts not being converted? I've just installed that script but my layouts are not converted neither :/ cheers

No I never figured out how to convert layouts.

I'm wondering about how to use HAML in my layouts as well. Let me know if you figure this out.

I finally choose to use html instead of HAML for the layout. After all, you only do them once.

But if you really want haml, I think the easiest thing is to create a rake file, with a rake preview command. That will allows you to put whatever you want to execute, I've done it for exemple to execute compass watch and then jekyll command

task :preview do
system("compass watch & jekyll --pygments --auto --server")
end

Then instead of compass watch if you do something like

for i in ./_layouts/*.haml; do [ -e $i ] && haml $i $i.html; done

I'm sure that should work.

Thanks Spyou, that almost worked and was very helpful in getting me pointed in the right direction. The only problem I had was that your one-liner resulted in the conversion of my _layout/default.haml file to _layout/default.haml.html. Jekyll didn't like that much so I updated it to result in a _layout/default.html which seems to be working like a charm.

Here was my Rake task in the end:

desc "Launch preview environment."
task :preview do
system("for i in ./_layouts/*.haml; do [ -e $i ] && haml $i ${i%.haml}.html; done & compass watch & jekyll --auto --server")
end

Nice, I didn't really test my line to be honest, so didn't realise the problem. But it's good to know that all is good now. Ho and you can remove the compass watch if you're not using compass (but you should :D).

I'm going to put my Rakefile the rest of the blog on github now.

Yes, I too love compass. I actually updated the command so I can keep the haml files separate from the html:

system("for i in ./_layouts_haml/.haml; do [ -e $i ] && n=${i%.} && haml $i ./_layouts/${n##*/}.html; done & compass watch & jekyll --auto --server")

The only thing annoying about this solution is it doesn't behave the same way 'compass watch' or 'jekyll --auto' do. I have to stop/start the server every time I make a change to my layout.

I've added an issue to the mojombo/jekyll git project if anyone would like to join me in asking for this to get fixed:

http://github.com/mojombo/jekyll/issues#issue/225

sorry if this is obvious/stupid - how do you use the stuff defined in the YAML front-matter inside the haml chunk?

i could always move it down as a variable, but that's a bit ugly...

@mwotton, you have to put it inside Moustache markup. See the docs here: https://github.com/mojombo/jekyll/wiki/YAML-Front-Matter

@dtjm so no variables are actually defined for the use of the Haml renderer? Does the Moustache get run first or second? I guess " - @inputdata = {{ inputdata }}" isn't terrible, if the Moustach gets run first...

@mwotton, oh I see what you are saying. I don't know if there are variables available in the HAML scope.

is it possible to mix haml and markdown ? or is that a crazy question because both are a kind of templating sugar and why would one be used with the other ?

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