rakefile.rb

require "uri"

def curl(args, dest)
  sh "curl -fsSL '#{args}' > #{dest}"
end

task :init do
  sh "npm install"
  sh "bundle install"
end

directory "tmp"

{ text: "Noto Sans", code: "Roboto Mono" }.each do |kind, family|
  file "tmp/#{kind}.css" => "tmp" do |t|
    query = URI.encode_www_form(
      family: family,
      text: (" ".."~").to_a.join,
    )

    curl "https://fonts.googleapis.com/css?#{query}", t.name
  end
end

rule "-font.css" => ".css" do |t|
  File.write(t.name, File.read(t.source)
    .sub(/font-family:[^;]*;/,
         "font-family: #{t.source.pathmap("%n").capitalize}Font;
          font-display: swap;")
    .sub(/url\([^)]*\)/, t.source.pathmap('url("%n.woff2")'))
    .sub(/format\([^)]*\)/, 'format("woff2")'))
end

rule ".ttf" => ".css" do |t|
  curl(/url\(([^)]+)\)/.match(File.read(t.source))[1], t.name)
end

rule %r{tmp/.*\.woff2} => ->(f) { f.pathmap("tmp/%n.ttf") } do |t|
  sh "npx ttf2woff2 < #{t.source} > #{t.name}"
end

file "tmp/webpack/index.js" => %w[
       tmp/text-font.css
       tmp/code-font.css
       tmp/text.woff2
       tmp/code.woff2] do
  sh "npx webpack-cli"
end

file "tmp/webpack/main.css" => "tmp/webpack/index.js"

file "_includes/index.css" => "tmp/webpack/main.css" do |t|
  cp t.source.ext(".css"), t.name
end

file "_includes/icon.svg" do |t|
  curl "https://github.com/cloe-lang/icon/raw/master/icon.svg", t.name
end

file "_includes/x.svg" do |t|
  curl(
    "https://github.com/simple-icons/simple-icons/raw/master/icons/x.svg",
    t.name
  )
end

directory "tmp/cloe" do |t|
  sh "git clone https://github.com/cloe-lang/cloe #{t.name}"
end

directory "examples" => "tmp/cloe" do |t|
  sh "go run github.com/raviqqe/gherkin2markdown #{File.join t.source, "examples"} #{t.name}"
  File.write(File.join(t.name, "index.md"),
             "# Examples\n\n" \
             "Code examples which describes usage of the language features " \
             "and built-in functions and modules.")
end

directory "_site" => %w[
            _includes/index.css
            _includes/icon.svg
            _includes/x.svg
            examples
          ] do
  sh "bundle exec jekyll build"
end

file "_site/index.js" => "tmp/webpack/index.js" do |t|
  cp t.source, t.name
end

file "_site/icon.svg" => "_includes/icon.svg" do |t|
  cp t.source, t.name
end

task build: %w[_site _site/index.js _site/icon.svg] do
  sh "npx tsx bin/modify-html.ts #{Dir.glob("_site/**/*.html").join " "}"
  sh "npx workbox generateSW workbox-cli-config.cjs"
  cp Dir.glob("tmp/webpack/*.woff2"), "_site"
end

task :deploy do
  sh "npx firebase deploy"
end

task default: %w[build deploy]

task run: :build do
  sh "npx superstatic --debug"
end

task :lint do
  sh "rufo -c *.rb"
  sh "npx stylelint **/*.scss"
end

task :clean do
  sh %w[git clean -dfx --exclude node_modules].join " "
end