Method: Sass::Script::Functions#get_function

Defined in:
lib/sass/script/functions.rb

#get_function($name, $css: false) ⇒ Sass::Script::Value::Function

Returns a reference to a function for later invocation with the call() function.

If $css is false, the function reference may refer to a function defined in your stylesheet or built-in to the host environment. If it's true it will refer to a plain-CSS function.

Examples:

get-function("rgb")

@function myfunc { @return "something"; }
get-function("myfunc")

Parameters:

Returns:



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# File 'lib/sass/script/functions.rb', line 1758

def get_function(name, kwargs = {})
  assert_type name, :String, :name

  css = if kwargs.has_key?("css")
          v = kwargs.delete("css")
          assert_type v, :Bool, :css
          v.value
        else
          false
        end

  if kwargs.any?
    raise ArgumentError.new("Illegal keyword argument '#{kwargs.keys.first}'")
  end

  if css
    return Sass::Script::Value::Function.new(
      Sass::Callable.new(name.value, nil, nil, nil, nil, nil, "function", :css))
  end

  callable = environment.caller.function(name.value) ||
    (Sass::Script::Functions.callable?(name.value.tr("-", "_")) &&
     Sass::Callable.new(name.value, nil, nil, nil, nil, nil, "function", :builtin))

  if callable
    Sass::Script::Value::Function.new(callable)
  else
    raise Sass::SyntaxError.new("Function not found: #{name}")
  end
end