WIP: plugins: add custom markdown converter

Gemfile

@@ -45,3 +45,5 @@ gem "bridgetown-sitemap", "~> 2.0"
 gem "bridgetown-seo-tag", "~> 6.0"
 
 gem "bridgetown_internal_markdown_links", "~> 0.2.0"
+
+gem "commonmarker"

Gemfile.lock

@@ -1,23 +1,24 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (7.1.3.2)
-      activesupport (= 7.1.3.2)
-    activesupport (7.1.3.2)
+    activemodel (7.2.1)
+      activesupport (= 7.2.1)
+    activesupport (7.2.1)
       base64
       bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+      concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
       minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
     amazing_print (1.6.0)
     base64 (0.2.0)
-    bigdecimal (3.1.7)
+    bigdecimal (3.1.8)
     bridgetown (1.3.3)
       bridgetown-builder (= 1.3.3)
       bridgetown-core (= 1.3.3)
@@ -64,65 +65,72 @@ GEM
     bridgetown_internal_markdown_links (0.2.0)
       bridgetown (>= 1.2.0, < 2.0)
     colorator (1.1.0)
-    concurrent-ruby (1.2.3)
+    commonmarker (1.1.5-arm64-darwin)
+    commonmarker (1.1.5-x86_64-darwin)
+    commonmarker (1.1.5-x86_64-linux)
+    concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
-    csv (3.2.8)
+    csv (3.3.0)
     drb (2.2.1)
-    erubi (1.12.0)
-    faraday (2.9.0)
-      faraday-net_http (>= 2.0, < 3.2)
+    erubi (1.13.0)
+    faraday (2.11.0)
+      faraday-net_http (>= 2.0, < 3.4)
+      logger
     faraday-follow_redirects (0.3.0)
       faraday (>= 1, < 3)
-    faraday-net_http (3.1.0)
+    faraday-net_http (3.3.0)
       net-http
-    ffi (1.16.3)
+    ffi (1.17.0-arm64-darwin)
+    ffi (1.17.0-x86_64-darwin)
+    ffi (1.17.0-x86_64-linux-gnu)
     hash_with_dot_access (1.2.0)
       activesupport (>= 5.0.0, < 8.0)
-    i18n (1.14.4)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
-    liquid (5.5.0)
+    liquid (5.5.1)
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    minitest (5.22.3)
-    mutex_m (0.2.0)
+    logger (1.6.1)
+    minitest (5.25.1)
     net-http (0.4.1)
       uri
-    nio4r (2.7.1)
-    nokogiri (1.16.3-arm64-darwin)
+    nio4r (2.7.3)
+    nokogiri (1.16.7-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.3-x86_64-darwin)
+    nokogiri (1.16.7-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.3-x86_64-linux)
+    nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
-    public_suffix (5.0.4)
+    public_suffix (6.0.1)
     puma (6.4.2)
       nio4r (~> 2.0)
-    racc (1.7.3)
-    rack (3.0.10)
-    rake (13.1.0)
-    random-port (0.6.0)
+    racc (1.8.1)
+    rack (3.1.7)
+    rake (13.2.1)
+    random-port (0.7.1)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.2.6)
-    roda (3.78.0)
+    rexml (3.3.7)
+    roda (3.83.0)
       rack
-    rouge (4.2.1)
+    rouge (4.3.0)
+    securerandom (0.3.1)
     serbea (1.0.1)
       activesupport (>= 6.0)
       erubi (>= 1.10)
       tilt (~> 2.0)
-    thor (1.3.1)
-    tilt (2.3.0)
+    thor (1.3.2)
+    tilt (2.4.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    uri (0.13.0)
-    zeitwerk (2.6.13)
+    uri (0.13.1)
+    zeitwerk (2.6.18)
 
 PLATFORMS
   arm64-darwin-21
@@ -140,6 +148,7 @@ DEPENDENCIES
   bridgetown-sitemap (~> 2.0)
   bridgetown-svg-inliner (~> 2.0)
   bridgetown_internal_markdown_links (~> 0.2.0)
+  commonmarker
   puma (< 7)
 
 BUNDLED WITH

bridgetown.config.yml

@@ -51,5 +51,5 @@ collections:
     future: true
     sort_by: date
     sort_direction: descending
-kramdown:
-  parse_html_blocks: true
+
+markdown: Commonmarker

plugins/bridgetown/converters/markdown/commonmarker.rb

@@ -0,0 +1,14 @@
+class Bridgetown::Converters::Markdown::Commonmarker
+  def initialize(config)
+    require "commonmarker"
+    @config = config
+  rescue LoadError
+    STDERR.puts 'You are missing a library required for Markdown. Please run:'
+    STDERR.puts '  $ [sudo] gem install commonmarker'
+    raise RuntimeError.new("Missing dependency: commonmarker")
+  end
+
+  def convert(content)
+    CommonMarker.render_html(content)
+  end
+end