Contents

# frozen_string_literal: true

module Jekyll
  module Podcast
    # Liquid tag to determine the existence of a file
    # Path name should be the root of the directory, without an initial slash
    class FileExistsTag < Liquid::Tag
      def initialize(tag_name, path, tokens)
        super
        @path = path
      end

      def render(context)
        # Pipe parameter through Liquid to make additional replacements possible
        url = Liquid::Template.parse(@path).render context

        # Add the site source, so that it also works with a custom one
        site_source = context.registers[:site].config['source']
        file_path = "#{site_source}/#{url}"

        # Check if file exists (returns true or false)
        File.exist?(file_path.strip!).to_s
      end
    end
  end
end

Liquid::Template.register_tag('file_exists', Jekyll::Podcast::FileExistsTag)

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
jekyll-podcast-0.9.1	lib/jekyll/podcast/file_exists.rb
jekyll-podcast-0.9.0	lib/jekyll/podcast/file_exists.rb