add more formatting options

Gemfile

···
 gem "kramdown", "~> 2.5"
 
 gem "sinatra-contrib", "~> 4.1"
+
+gem "markaby", "~> 0.9.4"

Gemfile.lock

···
   remote: https://rubygems.org/
   specs:
     base64 (0.2.0)
+    builder (3.3.0)
     ffi (1.17.1-arm64-darwin)
     haml (6.3.0)
       temple (>= 0.8.2)
···
     kramdown (2.5.1)
       rexml (>= 3.3.9)
     logger (1.7.0)
+    markaby (0.9.4)
+      builder
     minisky (0.5.0)
       base64 (~> 0.1)
     multi_json (1.15.0)
···
 DEPENDENCIES
   haml
   kramdown (~> 2.5)
+  markaby (~> 0.9.4)
   minisky
   puma (~> 6.6)
   rackup (~> 2.2)

main.rb

···
 require "sinatra/contrib"
 
 require "haml"
+require "markaby/kernel_method"
 require "kramdown"
 require_relative "extra/helpers"
 ENV["LUA_LIB"] = abs_path("./liblua.dylib")
···
   data = MainBlog.post_list(page)
   cursor = data[:cursor]
   posts = data[:records]
+  @title = MainBlog.home_rec["title"]
   haml :index, locals: { cursor: cursor, posts: posts, backbutton: backbutton }
 end
 
 get "/post/:post_id" do
   post = MainBlog.get_post(params[:post_id])
+  @title = post["value"]["title"] + " | " + MainBlog.home_rec["title"]
   haml :post, locals: { post_content: post["value"] }
 end
 

views/block.haml

···
             - @text = section["text"]
             - if @text.empty?
             - else
-                != haml :paragraph
+                %p<>!= haml :paragraph
+        - when "list"
+            %ol
+                - section["text"].each do |elem|
+                    - @text = elem
+                    %li<>!= haml :paragraph
+        - when "code"
+            %pre
+                %code<>= section["text"]
         - when "heading"
             %h3>= section["text"]
         - when "subheading"

views/index.haml

···
-%html
-    %head
-        %link{ :rel => "stylesheet", :href => "/style.css" }
-        %title= MainBlog.home_rec["title"]
-
 %h2= MainBlog.home_rec["title"]
 
 - @content = MainBlog.home_rec["content"]

views/layout.haml

···
+%html
+    %head
+        %link{ :rel => "stylesheet", :href => "/style.css" }
+        %title= @title
+
 != yield
 
 %br

views/post.haml

···
-%html
-    %head
-        %link{ :rel => "stylesheet", :href => "/style.css" }
-        %title= post_content["title"] + " | " + MainBlog.home_rec["title"]
-
 %h1= post_content["title"]
 %strong= post_content["createdAt"]
 - @content = post_content["content"]