Contents

module SnippetHelpers
  SOURCE_DIR = File.expand_path('../../source', __FILE__)

  class Snippet
    def initialize(name, namespace: "")
      @name = name
      @namespace = namespace
    end

    def path
      File.join(*path_segments)
    end

    private

    attr_reader :name, :namespace
  end

  class HtmlSnippet < Snippet
    def path_segments
      [SOURCE_DIR, namespace, "_#{name.underscore}.html.erb"]
    end

    def language
      :markup
    end
  end

  class ScssSnippet < Snippet
    def path_segments
      [SOURCE_DIR, "stylesheets", "refills", namespace, "_#{name.dasherize}.scss"]
    end

    def language
      :scss
    end
  end

  class JavaScriptSnippet < Snippet
    def path_segments
      [SOURCE_DIR, "javascripts", "refills", namespace, "#{name.underscore}.js"]
    end

    def language
      :javascript
    end
  end

  class CoffeeScriptSnippet < Snippet
    def path_segments
      [
        SOURCE_DIR,
        "javascripts",
        "refills",
        "coffeescript",
        namespace,
        "#{name.underscore}.coffee"
      ]
    end

    def language
      :javascript
    end
  end

  def code_for(snippet_name)
    partial 'code', locals: { snippets: snippets_for(snippet_name) }
  end

  private

  def snippets_for(name)
    [
      HtmlSnippet,
      ScssSnippet,
      JavaScriptSnippet,
      CoffeeScriptSnippet,
    ].map do |snippet_factory|
      if name.include?("/")
        *namespace, file = name.split("/")
      else
        namespace = []
        file = name
      end
      render_snippet snippet_factory.new(file, namespace: namespace)
    end.join("\n")
  end

  def render_snippet(snippet)
    if File.exists?(snippet.path)
      partial 'snippet', locals: {
        snippet: File.read(snippet.path),
        language: snippet.language
      }
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
refills-0.2.0	helpers/snippet_helpers.rb