Module: KomponentHelper

Defined in:
lib/komponent/komponent_helper.rb

Instance Method Summary collapse

Instance Method Details

#component(component, locals = {}, &block) ⇒ Object Also known as: c 



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# File 'lib/komponent/komponent_helper.rb', line 4

def component(component, locals = {}, &block)
  component_path = Komponent::ComponentPathResolver.new.resolve(component)

  parts = component.split("/")
  component_name = parts.join("_")
  component_path = component_path.join("#{component_name}_component")

  require_dependency(component_path)

  component_module = "#{component_name}_component".camelize.constantize
  context = controller.view_context.dup

  context.view_flow = view_flow

  view_renderer = context.view_renderer = context.view_renderer.dup
  lookup_context = view_renderer.lookup_context = view_renderer.lookup_context.dup
  lookup_context.prefixes = ["components/#{component}"]

  context.class_eval { prepend component_module }
  context.class_eval { prepend Komponent::Translation }

  capture_block = proc { capture(&block) } if block

  context.instance_eval do
    if component_module.respond_to?(:properties)
      locals = locals.dup
      component_module.properties.each do |name, options|
        unless locals.has_key?(name)
          if options.has_key?(:default)
            locals[name] = options[:default]
          elsif options[:required]
            raise "Missing required component parameter: #{name}"
          end
        end
      end
    end

    locals.each do |name, value|
      instance_variable_set(:"@#{name}", locals[name])
    end

    define_singleton_method(:properties) { locals }

    instance_variable_set(:"@block_given_to_component", block)
  end

  begin
    context.render("components/#{component}/#{parts.join('_')}", &capture_block)
  rescue ActionView::MissingTemplate
    warn "[DEPRECATION WARNING] `#{parts.last}` filename in namespace is deprecated in favor of `#{parts.join('_')}`."
    context.render("components/#{component}/#{parts.last}", &capture_block)
  end
end

#render_partial(partial_name, locals = {}, &block) ⇒ Object 



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# File 'lib/komponent/komponent_helper.rb', line 59

def render_partial(partial_name, locals = {}, &block)
  warn "[DEPRECATION WARNING] `render_partial` is deprecated. Please use default `render` instead."

  context = controller.view_context
  view_paths = context.lookup_context.view_paths.dup
  components_path = Rails.root.join "frontend/components"

  capture_block = proc { capture(&block) } if block

  current_dir = Pathname.new(@virtual_path).dirname

  context.lookup_context.prefixes.prepend current_dir
  context.lookup_context.view_paths.unshift components_path

  rendered_partial = capture do
    context.render partial_name, locals, &capture_block
  end

  context.lookup_context.prefixes.delete current_dir
  context.lookup_context.view_paths = view_paths

  rendered_partial
end