module Jekyll::Algolia::FileBrowser

def self.relative_path(filepath)
  pathname = Pathname.new(filepath)
  config_source = Configurator.get('source') || ''
  jekyll_source = Pathname.new(File.expand_path(config_source))
  # Removing any starting ./
  if pathname.relative?
    fullpath = File.expand_path(File.join(jekyll_source, pathname))
    return fullpath.gsub(%r{^#{jekyll_source}/}, '')
  end
  pathname.relative_path_from(jekyll_source).cleanpath.to_s
end