Haml rocks. I haven’t seen any recent performance numbers but it is pretty close to erb these days. I think that it might be faster than erb if you turn on ugly mode (which prevents the pretty indentation) We’re doing 2.8 million pageviews a day with Haml. There is a benchmarker checked into the Haml … Read more
I use gem ‘haml-rails’, ‘= 0.3.4’ in my gemfile. it automatically generates *.html.haml without any configuration.
You should use block = link_to “https://stackoverflow.com/questions/9618971/path/to/page.html” do Other page %span.icon Arrow
You can use from the command line html2haml html2haml your_erb_file new_haml_file If you want to convert all your files in one go, look at this article : http://shifteleven.com/articles/2008/06/08/converting-erb-to-haml-snippet
Using something like %div{:itemscope => true} is the correct way to specify this in your Haml file. How this is rendered depends on how you set Haml’s format option. The default in Haml 3.1 is xhtml, and with that it will render as itemprop=’itemprop’, which is valid xhtml. To render with minimized attributes (like <div … Read more
What’s happening is that “#{@user_name}” is being interpreted as CoffeeScript, not as Ruby code that’s evaluated and injected into the CoffeeScript source. You’re asking, “How do I inject a Ruby variable into my CoffeeScript source?” The short answer is: Don’t do this. The Rails team made an intentional decision not to support embedded CoffeeScript in … Read more
Usually, if something is a pain in haml, it means you should refactor the the tricky bit to a helper or partial and call that. // some_helper.rb def new_snazzy_select_tag(options = []) select_tag ‘tag_name_here’, options.map { |option| [option.id, option.name] } end Also, you should use the :javascript filter to render javascript since it will put it … Read more
This should work ie. put all inline ruby inside of #{}: requester_name: “#{current_user.first_name + ‘ ‘ + current_user.last_name if current_user}”, requester_email: “#{current_user.email if current_user}”,
There are multiple ways in Slim As Hash Attributes which will be hyphenated if a Hash is given (e.g. data={a:1,b:2} will render as data-a=”1″ data-b=”2″) Use it directly as “mu is too short” mentioned, quite intuitive. a data-title=”help” data-content=”foo” Use Ruby code. I often do this and rarely above. = link_to ‘foo’, bar_path, data: {a: … Read more
I do it this way: = link_to image_tag( ‘header.jpg’), ‘http://www.google.com’