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require 'kramdown'
require 'fileutils'
require 'date'
# Define all the things
posts_dir = 'posts'
pages_dir = 'pages'
wiki_dir = 'pages/wiki'
recipes_dir = 'pages/recipes'
output_dir = 'build'
posts_output_dir = "#{output_dir}/posts"
pages_output_dir = "#{output_dir}/"
wiki_output_dir = "#{output_dir}/wiki/"
recipes_output_dir = "#{output_dir}/recipes/"
header_file = 'header.html'
footer_file = 'footer.html'
root_index_file = 'index.md'
# Make sure output directories exist
FileUtils.mkdir_p(posts_output_dir)
FileUtils.mkdir_p(pages_output_dir)
FileUtils.mkdir_p(wiki_output_dir)
FileUtils.mkdir_p(recipes_output_dir)
# Read footer
footer_content = File.read(footer_file)
# Initialize an array to hold post and page data
posts = []
pages = []
wiki = []
recipes = []
# Replace title placeholder
def replace_title_placeholder(header_content, title)
header_content.gsub('<title>{{TITLE}}</title>', "<title>#{title}</title>")
end
# Grab title from the first line of a Markdown file
def extract_title_from_md(lines)
first_line = lines[0]
if first_line && first_line.start_with?('# ')
title = first_line[2..-1].strip
else
title = 'Blog Index'
end
title
end
# Process Markdown files
def process_markdown_files(input_directory, output_directory, content_array, header_file, footer_content)
Dir.glob("#{input_directory}/*.md").each do |md_file|
# Read the content of the Markdown file
md_content = File.read(md_file)
lines = md_content.lines
# Grab title from the first line
title = extract_title_from_md(lines)
# Grab date from the third line
third_line = lines[2]
if third_line
date = Date.parse(third_line.strip) rescue Date.today
else
date = Date.today
end
# Convert markdown to HTML
html_content = Kramdown::Document.new(md_content).to_html
# Create output directory and file name
file_name = File.basename(md_file, '.md')
item_dir = "#{output_directory}/#{file_name}"
output_file = "#{item_dir}/index.html"
# Make sure item directory exists
FileUtils.mkdir_p(item_dir)
# Read and replace title in header content
header_content = replace_title_placeholder(File.read(header_file), title)
# Write to output file and add header and footer templates
File.open(output_file, 'w') do |file|
file.write(header_content)
file.write(html_content)
file.write(footer_content)
end
# Add item information to the array
content_array << { title: title, date: date, link: "#{output_directory.split('/').last}/#{file_name}/" }
end
end
# Process markdown files in posts and pages directories
process_markdown_files(posts_dir, posts_output_dir, posts, header_file, footer_content)
process_markdown_files(pages_dir, pages_output_dir, pages, header_file, footer_content)
process_markdown_files(wiki_dir, wiki_output_dir, wiki, header_file, footer_content)
process_markdown_files(recipes_dir, recipes_output_dir, recipes, header_file, footer_content)
# Sort posts by date from newest to oldest
posts.sort_by! { |post| -post[:date].to_time.to_i }
# Read the root index.md file
root_index_content = File.read(root_index_file)
root_index_lines = root_index_content.lines
# Grab title from root index.md
root_title = extract_title_from_md(root_index_lines)
# Convert root index.md to HTML
root_index_html = Kramdown::Document.new(root_index_content).to_html
# Read and replace title in header content for the root index
header_content = replace_title_placeholder(File.read(header_file), root_title)
# Build out index content with header and root index content
index_content = header_content
index_content << root_index_html
index_content << "<ul class=\"posts\">\n"
# Add posts to root index
posts.each do |post|
index_content << "<li><span>#{post[:date]}</span><a href='#{post[:link]}'>#{post[:title]}</a></li>\n"
end
# Finalize index content with footer
index_content << "</ul>\n"
index_content << footer_content
# Write the index file
File.open("#{output_dir}/index.html", 'w') do |file|
file.write(index_content)
end
puts "Blog built successfully in '#{output_dir}' folder. Have a great day!"
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