Module: BootstrapNavbar::Helpers

Defined in:
lib/bootstrap-navbar/helpers.rb

Defined Under Namespace

Modules: Bootstrap2, Bootstrap3, Bootstrap4, Bootstrap5

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/bootstrap-navbar/helpers.rb', line 2

def self.included(base)
  BootstrapNavbar.configuration.bootstrap_version ||= begin
    node_package_config = "node_modules/bootstrap/package.json"

    case
    when bootstrap_gem = %w(bootstrap bootstrap-sass).detect { |gem| Gem.loaded_specs.keys.include?(gem) }
      bootstrap_gem_version = Gem.loaded_specs[bootstrap_gem].version
      bootstrap_gem_version.segments.take(3).join('.')
    when File.exist?(node_package_config)
      JSON.load(File.read(node_package_config)).fetch("version")
    else
      raise "Could not determine Bootstrap version from gems or Node package."
    end
  end

  helper_version = BootstrapNavbar.configuration.bootstrap_version[0]
  base.send :include, const_get("Bootstrap#{helper_version}")
end

Instance Method Details

#attributes_for_tag(hash) ⇒ Object 



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# File 'lib/bootstrap-navbar/helpers.rb', line 21

def attributes_for_tag(hash)
  string = hash.map { |k, v| %(#{k}="#{v}") }.join(' ')
  if string.length > 0
    ' '.dup << string
  else
    string
  end
end

#current_url ⇒ Object

Raises:

  • (StandardError) 


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# File 'lib/bootstrap-navbar/helpers.rb', line 51

def current_url
  raise StandardError, 'current_url_method is not defined.' if BootstrapNavbar.configuration.current_url_method.nil?
  eval BootstrapNavbar.configuration.current_url_method
end

#current_url_or_sub_url?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bootstrap-navbar/helpers.rb', line 30

def current_url_or_sub_url?(url)
  return false if url == '#' || url =~ /\Atel:/
  uri, current_uri = [url, current_url].map do |url|
    URI.parse(url)
  end
  return false if uri.is_a?(URI::MailTo) || (!uri.host.nil? && uri.host != current_uri.host)
  normalized_path, normalized_current_path = [uri, current_uri].map do |uri|
    uri.path.sub(%r(/\z), '')
  end
  normalized_root_paths = BootstrapNavbar.configuration.root_paths.map do |path|
    path.sub(%r(/\z), '')
  end
  # If the URL is one of the root URLS, it's only current if it is the current URL.
  # Otherwise it's current if we're currently on the URL or on a sub URL.
  if normalized_root_paths.include?(normalized_path)
    normalized_current_path == normalized_path
  else
    normalized_current_path =~ %r(\A#{Regexp.escape(normalized_path)}(/.+)?\z)
  end
end

#prepare_html(html) ⇒ Object 



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# File 'lib/bootstrap-navbar/helpers.rb', line 56

def prepare_html(html)
  html
end