Support Jekyll 3.1.x

For Jekyll versions 3.0 or greater, use the new Jekyll hooks
functionality rather than relying on monkey-patching Jekyll rendering
internals. This fixes the incompatibilities with the changes introduced
in Jekyll 3.1.

.ruby-version

@@ -0,0 +1 @@
+2.1.1

Appraisals

@@ -49,3 +49,7 @@ end
 appraise "jekyll-3.0.3" do
   gem "jekyll", "3.0.3"
 end
+
+appraise "jekyll-3.1.2" do
+  gem "jekyll", "3.1.2"
+end

Gemfile

@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-gem 'jekyll', '> 1.0.0'
+gem 'jekyll', '3.1.2'
 gem 'appraisal', '1.0.2'
 
 gem 'pry'

README.md

@@ -1,4 +1,3 @@
-# NOTE: Currently does not work with Jekyll 3.1.x -- for a temporary fix, please try using Jekyll 3.0.3
 # jekyll-contentblocks
 
 Gives you a mechanism in Jekyll to pass content up from pages into their parent
@@ -10,23 +9,18 @@ layouts. It's kind of like having Rails' content_for available for Jekyll.
 
 Add this line to your Jekyll project's `Gemfile`:
 ```ruby
-gem 'jekyll-contentblocks'
+ group :jekyll_plugins do
+   gem 'jekyll-contentblocks'
+ end
 ```
 
 Then execute:
 ```bash
 $ bundle install
 ```
 
-Make sure your have a plugin that initializes Bundler:
-```ruby
-# _plugins/bundler.rb
-require "rubygems"
-require "bundler/setup"
-Bundler.require(:default)
-```
-
 ### Standalone
+
 Execute:
 ```bash
 $ gem install jekyll-contentblocks

gemfiles/jekyll_3.1.2.gemfile

@@ -0,0 +1,12 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "jekyll", "3.1.2"
+gem "appraisal", "1.0.2"
+gem "pry"
+gem "pry-byebug"
+gem "rspec", "~> 3.3.0"
+gem "nokogiri", "~> 1.6.6.0"
+
+gemspec :path => "../"

lib/jekyll-contentblocks.rb

@@ -10,9 +10,18 @@ def self.supports_collections?
   end
 end
 
-require 'jekyll/content_blocks/convertible'
-unless Jekyll.version_less_than?('2.0.0')
-  require 'jekyll/content_blocks/renderer'
+if Jekyll.version_less_than?('3.0.0')
+  require 'jekyll/content_blocks/convertible'
+  unless Jekyll.version_less_than?('2.0.0')
+    require 'jekyll/content_blocks/renderer'
+  end
+else
+  require 'jekyll/content_blocks/pre_render_hook'
+  [:documents, :pages, :posts].each do |content_type|
+    Jekyll::Hooks.register content_type, :pre_render do |doc, payload|
+      Jekyll::ContentBlocks::PreRenderHook.call(doc, payload)
+    end
+  end
 end
 
 require 'jekyll/content_blocks/version'

lib/jekyll/content_blocks/pre_render_hook.rb

@@ -0,0 +1,13 @@
+module Jekyll
+  module ContentBlocks
+    class PreRenderHook
+      def self.call(document, payload)
+        payload['converters'] = document.site.converters.select do |converter|
+          file_extension = File.extname(document.path)
+          converter.matches(file_extension)
+        end
+        payload['contentblocks'] = {}
+      end
+    end
+  end
+end

lib/jekyll/content_blocks/version.rb

@@ -1,6 +1,6 @@
 module Jekyll
   module ContentBlocks
-    VERSION = "1.1.0"
+    VERSION = "1.2.0"
   end
 end
 

test/_plugins/require.rb

@@ -0,0 +1,2 @@
+require 'jekyll-contentblocks'
+