Remove inline alignment from tables.

CHANGELOG.md

@@ -12,6 +12,7 @@
 - Wrap emoji with `span.emoji` and use a font for emojis so it renders the same
   in any system.
 - Update all templates to use h1 as the root heading.
+- Remove inline alignment from tables.
 
 ## v3.1.0
 

lib/kitabu/markdown.rb

@@ -12,8 +12,8 @@ class Renderer < Redcarpet::Render::HTML
       # Support alert boxes just like github.
       # https://github.com/orgs/community/discussions/16925
       def block_quote(quote)
-        html = Nokogiri::HTML(quote)
-        element = html.css("body > :first-child").first
+        html = Nokogiri::HTML.fragment(quote)
+        element = html.children.first
 
         matches = element.text.match(ALERT_MARK)
 
@@ -33,10 +33,46 @@ def block_quote(quote)
         <<~HTML.strip_heredoc
           <div class="note #{type}">
             <p class="note--title">#{title}</p>
-            #{html.css('body').inner_html}
+            #{html}
           </div>
         HTML
       end
+
+      def table_cell(content, alignment, header)
+        tag = header ? "th" : "td"
+
+        html = Nokogiri::HTML.fragment("<#{tag}></#{tag}>")
+        node = html.children.first
+        node.append_class("align-#{alignment}") if alignment
+        node.content = content
+
+        html.to_s
+      end
+
+      # def table(header, body)
+      #   header = Nokogiri::HTML.fragment(header)
+      #   body = Nokogiri::HTML.fragment(body)
+
+      #   transformer = lambda do |node|
+      #     style = node.remove_attribute("style")
+      #     alignment = style.value[/^text-align: (.*?)$/, 1]
+      #     node.set_attribute :class, "align-#{alignment}"
+      #   end
+
+      #   header.css("[style]").each(&transformer)
+      #   body.css("[style]").each(&transformer)
+
+      #   <<~HTML
+      #     <table>
+      #       <thead>
+      #         #{header}
+      #       </thead>
+      #       <tbody>
+      #         #{body}
+      #       </tbody>
+      #     </table>
+      #   HTML
+      # end
     end
 
     class << self

spec/kitabu/markdown_spec.rb

@@ -4,7 +4,7 @@
 
 describe Kitabu::Markdown do
   it "enables fenced code blocks" do
-    html = Kitabu::Markdown.render <<-TEXT.strip_heredoc
+    html = Kitabu::Markdown.render <<~TEXT
       ```ruby
       class User
       end
@@ -15,41 +15,41 @@ class User
   end
 
   it "enables options" do
-    html = Kitabu::Markdown.render <<-TEXT.strip_heredoc
-    ```php?start_inline=true
-    echo 'Hello';
-    ```
+    html = Kitabu::Markdown.render <<~TEXT
+      ```php?start_inline=true
+      echo 'Hello';
+      ```
     TEXT
 
     expect(html).to include('<span class="k">echo</span>')
   end
 
   it "enables line numbers" do
-    html = Kitabu::Markdown.render <<-TEXT.strip_heredoc
-    ```ruby?line_numbers=true
-    class User
-    end
-    ```
+    html = Kitabu::Markdown.render <<~TEXT
+      ```ruby?line_numbers=true
+      class User
+      end
+      ```
     TEXT
 
     expect(html).to include(%[<table class="rouge-table">])
   end
 
   it "does not raise with unknown lexers" do
     expect do
-      Kitabu::Markdown.render <<-TEXT.strip_heredoc
-      ```terminal
-      Text plain.
-      ```
+      Kitabu::Markdown.render <<~TEXT
+        ```terminal
+        Text plain.
+        ```
       TEXT
     end.not_to raise_error
   end
 
   it "renders alert boxes using block quotes" do
-    html = Kitabu::Markdown.render <<-TEXT.strip_heredoc
-    > [!NOTE]
-    >
-    > This is just a note
+    html = Kitabu::Markdown.render <<~TEXT
+      > [!NOTE]
+      >
+      > This is just a note
     TEXT
 
     html = Nokogiri::HTML(html)
@@ -60,10 +60,10 @@ class User
   end
 
   it "renders arbitrary alert boxes using block quotes" do
-    html = Kitabu::Markdown.render <<-TEXT.strip_heredoc
-    > [!ALERT]
-    >
-    > This is just an alert
+    html = Kitabu::Markdown.render <<~TEXT
+      > [!ALERT]
+      >
+      > This is just an alert
     TEXT
 
     html = Nokogiri::HTML(html)
@@ -74,8 +74,8 @@ class User
   end
 
   it "renders regular block quotes" do
-    html = Kitabu::Markdown.render <<-TEXT.strip_heredoc
-    > This is just a quote
+    html = Kitabu::Markdown.render <<~TEXT
+      > This is just a quote
     TEXT
 
     html = Nokogiri::HTML(html)
@@ -97,4 +97,24 @@ class User
 
     expect(Kitabu::Markdown.render("Hello")).to eql("<em>BYE</em>\n")
   end
+
+  it "replaces inline style of table alignment" do
+    html = Kitabu::Markdown.render <<~TEXT
+      | Month     | Savings  | Type     | Note |
+      | :-------- | -------: | :-------:| -----|
+      | January   | $250     | Positive | N/A  |
+    TEXT
+
+    html = Nokogiri::HTML(html)
+
+    expect(html).to have_tag("table>thead>tr>th.align-left", "Month")
+    expect(html).to have_tag("table>thead>tr>th.align-right", "Savings")
+    expect(html).to have_tag("table>thead>tr>th.align-center", "Type")
+    expect(html).to have_tag("table>thead>tr>th:not([class*='align'])", "Note")
+
+    expect(html).to have_tag("table>tbody>tr>td.align-left", "January")
+    expect(html).to have_tag("table>tbody>tr>td.align-right", "$250")
+    expect(html).to have_tag("table>tbody>tr>td.align-center", "Positive")
+    expect(html).to have_tag("table>tbody>tr>td:not([class*='align'])", "N/A")
+  end
 end