Module: Serve::Router

Defined in:
lib/serve/router.rb

Class Method Summary (collapse)

Class Method Details

+ (Object) resolve(root, path)

Resolve a path to a valid file name in root path. Return nil if no file exists for that path.



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# File 'lib/serve/router.rb', line 6

def self.resolve(root, path)
  path = normalize_path(path)
  
  return if path.nil? # If it's not a valid path, return nothing.
  
  full_path = File.join(root, path)
  
  case
  when File.file?(full_path)
    # A file exists! Return the matching path.
    path
  when File.directory?(full_path) 
    # It's a directory? Try a directory index.
    resolve(root, File.join(path, 'index'))
  when path.ends_with?('.css')
    # CSS not found? Try SCSS or Sass.
    alternates = %w{.scss .sass}.map { |ext| path.sub(/\.css\Z/, ext) }
    sass_path = alternates.find do |p|
      File.file?(File.join(root, p))
    end      
  else
    # Still no luck? Check to see if a file with an extension exists by that name.
    # TODO: Return a path with an extension based on priority, not just the first found.
    result = Dir.glob(full_path + ".*", File::FNM_CASEFOLD).first
    result.sub(/^#{root}/, '').sub(/^\//, '') if result && File.file?(result)
  end
end