Module: Super::ViewHelper

Defined in:
lib/super/view_helper.rb

Class Method Summary collapse

Class Method Details

.classes(*list) ⇒ Object

For example, calling classes("always", ["sometimes", condition]) would return the string "always sometimes" or "always"



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# File 'lib/super/view_helper.rb', line 9

def classes(*list)
  result = list.map do |c|
    case c
    when String
      c
    when Array
      if c.size != 2
        raise %(Expected exactly two elements (["class", some_condition]), got: #{c.inspect})
      end

      c.first if c.last
    end
  end

  result.compact.join(" ")
end