Add a graph visualization page based on the analyze script

analyze.rb

@@ -40,11 +40,14 @@ files.each do |file|
   name = file
   tags = []
   group = 1
+  draft = false
   value = File.size(file)
   url = file.gsub(/^content/, "https://danilafe.com").delete_suffix("/index.md").delete_suffix(".md")
   File.readlines(file).each do |l|
     if l =~ /^title: (.+)$/
       name = $~[1].delete_prefix('"').delete_suffix('"')
+    elsif l =~ /^draft: true$/
+      draft = true
     elsif l =~ /^tags: (.+)$/
       tags = $~[1].delete_prefix("[").delete_suffix("]").split(/,\s?/).map { |it| it.gsub('"', '') }
       if tags.include? "Compilers"
@@ -60,7 +63,8 @@ files.each do |file|
       end
     end
   end
-  data[file] = { :id => id, :label => name, :group => group, :tags => tags, :url => url, :value => value }
+  next if draft
+  data[file] = { :id => id, :name => name, :group => group, :tags => tags, :url => url, :value => value }
 end
 
 edges = []
@@ -72,6 +76,8 @@ files.each do |file1|
   # end
   next unless frefs = refs[file1]
   frefs.each do |ref|
+    next unless data[file1]
+    next unless data[ref]
     edges << { :from => data[file1][:id], :to => data[ref][:id] }
   end
 end