applies new string literal convention in actionview/lib

The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.

28 files changed, 170 insertions, 170 deletions

diff --git a/actionview/lib/action_view/helpers/active_model_helper.rb b/actionview/lib/action_view/helpers/active_model_helper.rb
index d5222e3616..4f76195760 100644
--- a/actionview/lib/action_view/helpers/active_model_helper.rb
+++ b/actionview/lib/action_view/helpers/active_model_helper.rb
@@ -1,5 +1,5 @@
-require 'active_support/core_ext/module/attribute_accessors'
-require 'active_support/core_ext/enumerable'
+require "active_support/core_ext/module/attribute_accessors"
+require "active_support/core_ext/enumerable"
 
 module ActionView
   # = Active Model Helpers
@@ -42,7 +42,7 @@ module ActionView
       end
 
       def tag_generate_errors?(options)
-        options['type'] != 'hidden'
+        options["type"] != "hidden"
       end
     end
   end
diff --git a/actionview/lib/action_view/helpers/asset_tag_helper.rb b/actionview/lib/action_view/helpers/asset_tag_helper.rb
index d7acf08b45..a3064046e4 100644
--- a/actionview/lib/action_view/helpers/asset_tag_helper.rb
+++ b/actionview/lib/action_view/helpers/asset_tag_helper.rb
@@ -1,8 +1,8 @@
-require 'active_support/core_ext/array/extract_options'
-require 'active_support/core_ext/hash/keys'
-require 'active_support/core_ext/regexp'
-require 'action_view/helpers/asset_url_helper'
-require 'action_view/helpers/tag_helper'
+require "active_support/core_ext/array/extract_options"
+require "active_support/core_ext/hash/keys"
+require "active_support/core_ext/regexp"
+require "action_view/helpers/asset_url_helper"
+require "action_view/helpers/tag_helper"
 
 module ActionView
   # = Action View Asset Tag Helpers
@@ -56,7 +56,7 @@ module ActionView
       #   # => <script src="http://www.example.com/xmlhr.js"></script>
       def javascript_include_tag(*sources)
         options = sources.extract_options!.stringify_keys
-        path_options = options.extract!('protocol', 'extname', 'host').symbolize_keys
+        path_options = options.extract!("protocol", "extname", "host").symbolize_keys
         sources.uniq.map { |source|
           tag_options = {
             "src" => path_to_javascript(source, path_options)
@@ -92,7 +92,7 @@ module ActionView
       #   #    <link href="/css/stylish.css" media="screen" rel="stylesheet" />
       def stylesheet_link_tag(*sources)
         options = sources.extract_options!.stringify_keys
-        path_options = options.extract!('protocol', 'host').symbolize_keys
+        path_options = options.extract!("protocol", "host").symbolize_keys
 
         sources.uniq.map { |source|
           tag_options = {
@@ -170,10 +170,10 @@ module ActionView
       #
       #   favicon_link_tag 'mb-icon.png', rel: 'apple-touch-icon', type: 'image/png'
       #   # => <link href="/assets/mb-icon.png" rel="apple-touch-icon" type="image/png" />
-      def favicon_link_tag(source='favicon.ico', options={})
-        tag('link', {
-          :rel  => 'shortcut icon',
-          :type => 'image/x-icon',
+      def favicon_link_tag(source="favicon.ico", options={})
+        tag("link", {
+          :rel  => "shortcut icon",
+          :type => "image/x-icon",
           :href => path_to_image(source)
         }.merge!(options.symbolize_keys))
       end
@@ -214,7 +214,7 @@ module ActionView
 
         src = options[:src] = path_to_image(source)
 
-        unless src.start_with?('cid:') || src.start_with?('data:') || src.blank?
+        unless src.start_with?("cid:") || src.start_with?("data:") || src.blank?
           options[:alt] = options.fetch(:alt) { image_alt(src) }
         end
 
@@ -240,7 +240,7 @@ module ActionView
       #   image_alt('underscored_file_name.png')
       #   # => Underscored file name
       def image_alt(src)
-        File.basename(src, '.*'.freeze).sub(/-[[:xdigit:]]{32,64}\z/, ''.freeze).tr('-_'.freeze, ' '.freeze).capitalize
+        File.basename(src, ".*".freeze).sub(/-[[:xdigit:]]{32,64}\z/, "".freeze).tr("-_".freeze, " ".freeze).capitalize
       end
 
       # Returns an HTML video tag for the +sources+. If +sources+ is a string,
@@ -282,7 +282,7 @@ module ActionView
       #   video_tag(["trailer.ogg", "trailer.flv"], size: "160x120")
       #   # => <video height="120" width="160"><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video>
       def video_tag(*sources)
-        multiple_sources_tag('video', sources) do |options|
+        multiple_sources_tag("video", sources) do |options|
           options[:poster] = path_to_image(options[:poster]) if options[:poster]
           options[:width], options[:height] = extract_dimensions(options.delete(:size)) if options[:size]
         end
@@ -301,7 +301,7 @@ module ActionView
       #   audio_tag("sound.wav", "sound.mid")
       #   # => <audio><source src="/audios/sound.wav" /><source src="/audios/sound.mid" /></audio>
       def audio_tag(*sources)
-        multiple_sources_tag('audio', sources)
+        multiple_sources_tag("audio", sources)
       end
 
       private
@@ -324,7 +324,7 @@ module ActionView
         def extract_dimensions(size)
           size = size.to_s
           if /\A\d+x\d+\z/.match?(size)
-            size.split('x')
+            size.split("x")
           elsif /\A\d+\z/.match?(size)
             [size, size]
           end
diff --git a/actionview/lib/action_view/helpers/asset_url_helper.rb b/actionview/lib/action_view/helpers/asset_url_helper.rb
index 8af01617fa..ca9846b90d 100644
--- a/actionview/lib/action_view/helpers/asset_url_helper.rb
+++ b/actionview/lib/action_view/helpers/asset_url_helper.rb
@@ -1,5 +1,5 @@
-require 'zlib'
-require 'active_support/core_ext/regexp'
+require "zlib"
+require "active_support/core_ext/regexp"
 
 module ActionView
   # = Action View Asset URL Helpers
@@ -132,10 +132,10 @@ module ActionView
         raise ArgumentError, "nil is not a valid asset source" if source.nil?
 
         source = source.to_s
-        return '' if source.blank?
+        return "" if source.blank?
         return source if URI_REGEXP.match?(source)
 
-        tail, source = source[/([\?#].+)$/], source.sub(/([\?#].+)$/, ''.freeze)
+        tail, source = source[/([\?#].+)$/], source.sub(/([\?#].+)$/, "".freeze)
 
         if extname = compute_asset_extname(source, options)
           source = "#{source}#{extname}"
@@ -174,8 +174,8 @@ module ActionView
       alias_method :url_to_asset, :asset_url # aliased to avoid conflicts with an asset_url named route
 
       ASSET_EXTENSIONS = {
-        javascript: '.js',
-        stylesheet: '.css'
+        javascript: ".js",
+        stylesheet: ".css"
       }
 
       # Compute extname to append to asset path. Returns nil if
@@ -188,12 +188,12 @@ module ActionView
 
       # Maps asset types to public directory.
       ASSET_PUBLIC_DIRECTORIES = {
-        audio:      '/audios',
-        font:       '/fonts',
-        image:      '/images',
-        javascript: '/javascripts',
-        stylesheet: '/stylesheets',
-        video:      '/videos'
+        audio:      "/audios",
+        font:       "/fonts",
+        image:      "/images",
+        javascript: "/javascripts",
+        stylesheet: "/stylesheets",
+        video:      "/videos"
       }
 
       # Computes asset path to public directory. Plugins and
@@ -220,7 +220,7 @@ module ActionView
             args = [source]
             args << request if request && (arity > 1 || arity < 0)
             host = host.call(*args)
-          elsif host.include?('%d')
+          elsif host.include?("%d")
             host = host % (Zlib.crc32(source) % 4)
           end
         end
diff --git a/actionview/lib/action_view/helpers/atom_feed_helper.rb b/actionview/lib/action_view/helpers/atom_feed_helper.rb
index c875f5870f..9a713d573e 100644
--- a/actionview/lib/action_view/helpers/atom_feed_helper.rb
+++ b/actionview/lib/action_view/helpers/atom_feed_helper.rb
@@ -1,4 +1,4 @@
-require 'set'
+require "set"
 
 module ActionView
   # = Action View Atom Feed Helpers
@@ -112,13 +112,13 @@ module ActionView
           end
         end
 
-        feed_opts = {"xml:lang" => options[:language] || "en-US", "xmlns" => 'http://www.w3.org/2005/Atom'}
+        feed_opts = {"xml:lang" => options[:language] || "en-US", "xmlns" => "http://www.w3.org/2005/Atom"}
         feed_opts.merge!(options).reject!{|k,v| !k.to_s.match(/^xml/)}
 
         xml.feed(feed_opts) do
           xml.id(options[:id] || "tag:#{request.host},#{options[:schema_date]}:#{request.fullpath.split(".")[0]}")
-          xml.link(:rel => 'alternate', :type => 'text/html', :href => options[:root_url] || (request.protocol + request.host_with_port))
-          xml.link(:rel => 'self', :type => 'application/atom+xml', :href => options[:url] || request.url)
+          xml.link(:rel => "alternate", :type => "text/html", :href => options[:root_url] || (request.protocol + request.host_with_port))
+          xml.link(:rel => "self", :type => "application/atom+xml", :href => options[:url] || request.url)
 
           yield AtomFeedBuilder.new(xml, self, options)
         end
@@ -138,7 +138,7 @@ module ActionView
           def method_missing(method, *arguments, &block)
             if xhtml_block?(method, arguments)
               @xml.__send__(method, *arguments) do
-                @xml.div(:xmlns => 'http://www.w3.org/1999/xhtml') do |xhtml|
+                @xml.div(:xmlns => "http://www.w3.org/1999/xhtml") do |xhtml|
                   block.call(xhtml)
                 end
               end
@@ -153,7 +153,7 @@ module ActionView
           def xhtml_block?(method, arguments)
             if XHTML_TAG_NAMES.include?(method.to_s)
               last = arguments.last
-              last.is_a?(Hash) && last[:type].to_s == 'xhtml'
+              last.is_a?(Hash) && last[:type].to_s == "xhtml"
             end
           end
       end
@@ -189,10 +189,10 @@ module ActionView
               @xml.updated((options[:updated] || record.updated_at).xmlschema)
             end
 
-            type = options.fetch(:type, 'text/html')
+            type = options.fetch(:type, "text/html")
 
             url = options.fetch(:url) { @view.polymorphic_url(record) }
-            @xml.link(:rel => 'alternate', :type => type, :href => url) if url
+            @xml.link(:rel => "alternate", :type => type, :href => url) if url
 
             yield AtomBuilder.new(@xml)
           end
diff --git a/actionview/lib/action_view/helpers/capture_helper.rb b/actionview/lib/action_view/helpers/capture_helper.rb
index df8d0affd0..5b569b5923 100644
--- a/actionview/lib/action_view/helpers/capture_helper.rb
+++ b/actionview/lib/action_view/helpers/capture_helper.rb
@@ -1,4 +1,4 @@
-require 'active_support/core_ext/string/output_safety'
+require "active_support/core_ext/string/output_safety"
 
 module ActionView
   # = Action View Capture Helper
diff --git a/actionview/lib/action_view/helpers/controller_helper.rb b/actionview/lib/action_view/helpers/controller_helper.rb
index 3569fba8c6..645c30c2ea 100644
--- a/actionview/lib/action_view/helpers/controller_helper.rb
+++ b/actionview/lib/action_view/helpers/controller_helper.rb
@@ -1,4 +1,4 @@
-require 'active_support/core_ext/module/attr_internal'
+require "active_support/core_ext/module/attr_internal"
 
 module ActionView
   module Helpers
diff --git a/actionview/lib/action_view/helpers/csrf_helper.rb b/actionview/lib/action_view/helpers/csrf_helper.rb
index 5af92c4ff2..ba3693b413 100644
--- a/actionview/lib/action_view/helpers/csrf_helper.rb
+++ b/actionview/lib/action_view/helpers/csrf_helper.rb
@@ -20,8 +20,8 @@ module ActionView
       def csrf_meta_tags
         if protect_against_forgery?
           [
-            tag('meta', :name => 'csrf-param', :content => request_forgery_protection_token),
-            tag('meta', :name => 'csrf-token', :content => form_authenticity_token)
+            tag("meta", :name => "csrf-param", :content => request_forgery_protection_token),
+            tag("meta", :name => "csrf-token", :content => form_authenticity_token)
           ].join("\n").html_safe
         end
       end
diff --git a/actionview/lib/action_view/helpers/date_helper.rb b/actionview/lib/action_view/helpers/date_helper.rb
index a02702bf7a..a6740b3eec 100644
--- a/actionview/lib/action_view/helpers/date_helper.rb
+++ b/actionview/lib/action_view/helpers/date_helper.rb
@@ -1,10 +1,10 @@
-require 'date'
-require 'action_view/helpers/tag_helper'
-require 'active_support/core_ext/array/extract_options'
-require 'active_support/core_ext/date/conversions'
-require 'active_support/core_ext/hash/slice'
-require 'active_support/core_ext/object/acts_like'
-require 'active_support/core_ext/object/with_options'
+require "date"
+require "action_view/helpers/tag_helper"
+require "active_support/core_ext/array/extract_options"
+require "active_support/core_ext/date/conversions"
+require "active_support/core_ext/hash/slice"
+require "active_support/core_ext/object/acts_like"
+require "active_support/core_ext/object/with_options"
 
 module ActionView
   module Helpers
@@ -692,7 +692,7 @@ module ActionView
     class DateTimeSelector #:nodoc:
       include ActionView::Helpers::TagHelper
 
-      DEFAULT_PREFIX = 'date'.freeze
+      DEFAULT_PREFIX = "date".freeze
       POSITION = {
         :year => 1, :month => 2, :day => 3, :hour => 4, :minute => 5, :second => 6
       }.freeze
@@ -710,8 +710,8 @@ module ActionView
         @options      = options.dup
         @html_options = html_options.dup
         @datetime     = datetime
-        @options[:datetime_separator] ||= ' &mdash; '
-        @options[:time_separator]     ||= ' : '
+        @options[:datetime_separator] ||= " &mdash; "
+        @options[:time_separator]     ||= " : "
       end
 
       def select_datetime
@@ -821,7 +821,7 @@ module ActionView
 
       def select_year
         if !@datetime || @datetime == 0
-          val = '1'
+          val = "1"
           middle_year = Date.today.year
         else
           val = middle_year = year
@@ -914,7 +914,7 @@ module ActionView
           if @options[:use_month_numbers]
             number
           elsif @options[:use_two_digit_numbers]
-            '%02d' % number
+            "%02d" % number
           elsif @options[:add_month_numbers]
             "#{number} - #{month_names[number]}"
           elsif format_string = @options[:month_format_string]
@@ -996,11 +996,11 @@ module ActionView
             :id => input_id_from_type(type),
             :name => input_name_from_type(type)
           }.merge!(@html_options)
-          select_options[:disabled] = 'disabled' if @options[:disabled]
+          select_options[:disabled] = "disabled" if @options[:disabled]
           select_options[:class] = css_class_attribute(type, select_options[:class], @options[:with_css_classes]) if @options[:with_css_classes]
 
           select_html = "\n"
-          select_html << content_tag("option".freeze, '', :value => '') + "\n" if @options[:include_blank]
+          select_html << content_tag("option".freeze, "", :value => "") + "\n" if @options[:include_blank]
           select_html << prompt_option_tag(type, @options[:prompt]) + "\n" if @options[:prompt]
           select_html << select_options_as_html
 
@@ -1018,7 +1018,7 @@ module ActionView
                         type
                       end
 
-          [html_options_class, css_class].compact.join(' ')
+          [html_options_class, css_class].compact.join(" ")
         end
 
         # Builds a prompt option tag with supplied options or from default options.
@@ -1035,7 +1035,7 @@ module ActionView
               I18n.translate(:"datetime.prompts.#{type}", :locale => @options[:locale])
           end
 
-          prompt ? content_tag("option".freeze, prompt, :value => '') : ''
+          prompt ? content_tag("option".freeze, prompt, :value => "") : ""
         end
 
         # Builds hidden input tag for date part and value.
@@ -1048,7 +1048,7 @@ module ActionView
             :name => input_name_from_type(type),
             :value => value
           }.merge!(@html_options.slice(:disabled))
-          select_options[:disabled] = 'disabled' if @options[:disabled]
+          select_options[:disabled] = "disabled" if @options[:disabled]
 
           tag(:input, select_options) + "\n".html_safe
         end
@@ -1070,8 +1070,8 @@ module ActionView
         # Returns the id attribute for the input tag.
         #  => "post_written_on_1i"
         def input_id_from_type(type)
-          id = input_name_from_type(type).gsub(/([\[\(])|(\]\[)/, '_').gsub(/[\]\)]/, '')
-          id = @options[:namespace] + '_' + id if @options[:namespace]
+          id = input_name_from_type(type).gsub(/([\[\(])|(\]\[)/, "_").gsub(/[\]\)]/, "")
+          id = @options[:namespace] + "_" + id if @options[:namespace]
 
           id
         end
@@ -1079,7 +1079,7 @@ module ActionView
         # Given an ordering of datetime components, create the selection HTML
         # and join them with their appropriate separators.
         def build_selects_from_types(order)
-          select = ''
+          select = ""
           first_visible = order.find { |type| !@options[:"discard_#{type}"] }
           order.reverse_each do |type|
             separator = separator(type) unless type == first_visible # don't add before first visible field
diff --git a/actionview/lib/action_view/helpers/form_helper.rb b/actionview/lib/action_view/helpers/form_helper.rb
index 3d2ae0cfe0..3f7b6c0f9c 100644
--- a/actionview/lib/action_view/helpers/form_helper.rb
+++ b/actionview/lib/action_view/helpers/form_helper.rb
@@ -1,14 +1,14 @@
-require 'cgi'
-require 'action_view/helpers/date_helper'
-require 'action_view/helpers/tag_helper'
-require 'action_view/helpers/form_tag_helper'
-require 'action_view/helpers/active_model_helper'
-require 'action_view/model_naming'
-require 'action_view/record_identifier'
-require 'active_support/core_ext/module/attribute_accessors'
-require 'active_support/core_ext/hash/slice'
-require 'active_support/core_ext/string/output_safety'
-require 'active_support/core_ext/string/inflections'
+require "cgi"
+require "action_view/helpers/date_helper"
+require "action_view/helpers/tag_helper"
+require "action_view/helpers/form_tag_helper"
+require "action_view/helpers/active_model_helper"
+require "action_view/model_naming"
+require "action_view/record_identifier"
+require "active_support/core_ext/module/attribute_accessors"
+require "active_support/core_ext/hash/slice"
+require "active_support/core_ext/string/output_safety"
+require "active_support/core_ext/string/inflections"
 
 module ActionView
   # = Action View Form Helpers
@@ -1270,7 +1270,7 @@ module ActionView
       end
 
       def self._to_partial_path
-        @_to_partial_path ||= name.demodulize.underscore.sub!(/_builder$/, '')
+        @_to_partial_path ||= name.demodulize.underscore.sub!(/_builder$/, "")
       end
 
       def to_partial_path
@@ -1574,7 +1574,7 @@ module ActionView
 
         record_name = if index
                         "#{object_name}[#{index}][#{record_name}]"
-                      elsif record_name.to_s.end_with?('[]')
+                      elsif record_name.to_s.end_with?("[]")
                         record_name = record_name.to_s.sub(/(.*)\[\]$/, "[\\1][#{record_object.id}]")
                         "#{object_name}#{record_name}"
                       else
diff --git a/actionview/lib/action_view/helpers/form_options_helper.rb b/actionview/lib/action_view/helpers/form_options_helper.rb
index 0cd3207b12..07d4310a4e 100644
--- a/actionview/lib/action_view/helpers/form_options_helper.rb
+++ b/actionview/lib/action_view/helpers/form_options_helper.rb
@@ -1,9 +1,9 @@
-require 'cgi'
-require 'erb'
-require 'action_view/helpers/form_helper'
-require 'active_support/core_ext/string/output_safety'
-require 'active_support/core_ext/array/extract_options'
-require 'active_support/core_ext/array/wrap'
+require "cgi"
+require "erb"
+require "action_view/helpers/form_helper"
+require "active_support/core_ext/string/output_safety"
+require "active_support/core_ext/array/extract_options"
+require "active_support/core_ext/array/wrap"
 
 module ActionView
   # = Action View Form Option Helpers
@@ -578,7 +578,7 @@ module ActionView
           end
 
           zone_options.safe_concat options_for_select(convert_zones[priority_zones], selected)
-          zone_options.safe_concat content_tag("option".freeze, '-------------', value: '', disabled: true)
+          zone_options.safe_concat content_tag("option".freeze, "-------------", value: "", disabled: true)
           zone_options.safe_concat "\n"
 
           zones = zones - priority_zones
@@ -800,7 +800,7 @@ module ActionView
         end
 
         def prompt_text(prompt)
-          prompt.kind_of?(String) ? prompt : I18n.translate('helpers.select.prompt', default: 'Please select')
+          prompt.kind_of?(String) ? prompt : I18n.translate("helpers.select.prompt", default: "Please select")
         end
     end
 
diff --git a/actionview/lib/action_view/helpers/form_tag_helper.rb b/actionview/lib/action_view/helpers/form_tag_helper.rb
index f1375570f2..5b1392a099 100644
--- a/actionview/lib/action_view/helpers/form_tag_helper.rb
+++ b/actionview/lib/action_view/helpers/form_tag_helper.rb
@@ -1,7 +1,7 @@
-require 'cgi'
-require 'action_view/helpers/tag_helper'
-require 'active_support/core_ext/string/output_safety'
-require 'active_support/core_ext/module/attribute_accessors'
+require "cgi"
+require "action_view/helpers/tag_helper"
+require "active_support/core_ext/string/output_safety"
+require "active_support/core_ext/module/attribute_accessors"
 
 module ActionView
   # = Action View Form Tag Helpers
@@ -134,11 +134,11 @@ module ActionView
 
         if options.include?(:include_blank)
           include_blank = options.delete(:include_blank)
-          options_for_blank_options_tag = { value: '' }
+          options_for_blank_options_tag = { value: "" }
 
           if include_blank == true
-            include_blank = ''
-            options_for_blank_options_tag[:label] = ' '
+            include_blank = ""
+            options_for_blank_options_tag[:label] = " "
           end
 
           if include_blank
@@ -147,7 +147,7 @@ module ActionView
         end
 
         if prompt = options.delete(:prompt)
-          option_tags = content_tag("option".freeze, prompt, value: '').safe_concat(option_tags)
+          option_tags = content_tag("option".freeze, prompt, value: "").safe_concat(option_tags)
         end
 
         content_tag "select".freeze, option_tags, { "name" => html_name, "id" => sanitize_to_id(name) }.update(options.stringify_keys)
@@ -518,12 +518,12 @@ module ActionView
           options ||= {}
         end
 
-        options = { 'name' => 'button', 'type' => 'submit' }.merge!(options.stringify_keys)
+        options = { "name" => "button", "type" => "submit" }.merge!(options.stringify_keys)
 
         if block_given?
           content_tag :button, options, &block
         else
-          content_tag :button, content_or_options || 'Button', options
+          content_tag :button, content_or_options || "Button", options
         end
       end
 
@@ -693,7 +693,7 @@ module ActionView
       # * <tt>:step</tt> - The acceptable value granularity.
       # * Otherwise accepts the same options as text_field_tag.
       def datetime_field_tag(name, value = nil, options = {})
-        text_field_tag(name, value, options.merge(type: 'datetime-local'))
+        text_field_tag(name, value, options.merge(type: "datetime-local"))
       end
 
       alias datetime_local_field_tag datetime_field_tag
@@ -858,10 +858,10 @@ module ActionView
           method = html_options.delete("method").to_s.downcase
 
           method_tag = case method
-            when 'get'
+            when "get"
               html_options["method"] = "get"
-              ''
-            when 'post', ''
+              ""
+            when "post", ""
               html_options["method"] = "post"
               token_tag(authenticity_token, form_options: {
                 action: html_options["action"],
@@ -895,7 +895,7 @@ module ActionView
 
         # see http://www.w3.org/TR/html4/types.html#type-name
         def sanitize_to_id(name)
-          name.to_s.delete(']').tr('^-a-zA-Z0-9:.', "_")
+          name.to_s.delete("]").tr("^-a-zA-Z0-9:.", "_")
         end
     end
   end
diff --git a/actionview/lib/action_view/helpers/javascript_helper.rb b/actionview/lib/action_view/helpers/javascript_helper.rb
index ed7e882c94..8f7be4905d 100644
--- a/actionview/lib/action_view/helpers/javascript_helper.rb
+++ b/actionview/lib/action_view/helpers/javascript_helper.rb
@@ -1,11 +1,11 @@
-require 'action_view/helpers/tag_helper'
+require "action_view/helpers/tag_helper"
 
 module ActionView
   module Helpers
     module JavaScriptHelper
       JS_ESCAPE_MAP = {
         '\\'    => '\\\\',
-        '</'    => '<\/',
+        "</"    => '<\/',
         "\r\n"  => '\n',
         "\n"    => '\n',
         "\r"    => '\n',
@@ -13,8 +13,8 @@ module ActionView
         "'"     => "\\'"
       }
 
-      JS_ESCAPE_MAP["\342\200\250".force_encoding(Encoding::UTF_8).encode!] = '&#x2028;'
-      JS_ESCAPE_MAP["\342\200\251".force_encoding(Encoding::UTF_8).encode!] = '&#x2029;'
+      JS_ESCAPE_MAP["\342\200\250".force_encoding(Encoding::UTF_8).encode!] = "&#x2028;"
+      JS_ESCAPE_MAP["\342\200\251".force_encoding(Encoding::UTF_8).encode!] = "&#x2029;"
 
       # Escapes carriage returns and single and double quotes for JavaScript segments.
       #
@@ -27,7 +27,7 @@ module ActionView
           result = javascript.gsub(/(\\|<\/|\r\n|\342\200\250|\342\200\251|[\n\r"'])/u) {|match| JS_ESCAPE_MAP[match] }
           javascript.html_safe? ? result.html_safe : result
         else
-          ''
+          ""
         end
       end
 
diff --git a/actionview/lib/action_view/helpers/number_helper.rb b/actionview/lib/action_view/helpers/number_helper.rb
index 23081c5f07..3f665b39a3 100644
--- a/actionview/lib/action_view/helpers/number_helper.rb
+++ b/actionview/lib/action_view/helpers/number_helper.rb
@@ -1,6 +1,6 @@
-require 'active_support/core_ext/hash/keys'
-require 'active_support/core_ext/string/output_safety'
-require 'active_support/number_helper'
+require "active_support/core_ext/hash/keys"
+require "active_support/core_ext/string/output_safety"
+require "active_support/number_helper"
 
 module ActionView
   # = Action View Number Helpers
diff --git a/actionview/lib/action_view/helpers/output_safety_helper.rb b/actionview/lib/action_view/helpers/output_safety_helper.rb
index d4b55423a8..f84bff7d06 100644
--- a/actionview/lib/action_view/helpers/output_safety_helper.rb
+++ b/actionview/lib/action_view/helpers/output_safety_helper.rb
@@ -1,4 +1,4 @@
-require 'active_support/core_ext/string/output_safety'
+require "active_support/core_ext/string/output_safety"
 
 module ActionView #:nodoc:
   # = Action View Raw Output Helper
@@ -42,9 +42,9 @@ module ActionView #:nodoc:
         options.assert_valid_keys(:words_connector, :two_words_connector, :last_word_connector, :locale)
 
         default_connectors = {
-          :words_connector     => ', ',
-          :two_words_connector => ' and ',
-          :last_word_connector => ', and '
+          :words_connector     => ", ",
+          :two_words_connector => " and ",
+          :last_word_connector => ", and "
         }
         if defined?(I18n)
           i18n_connectors = I18n.translate(:'support.array', locale: options[:locale], default: {})
@@ -54,7 +54,7 @@ module ActionView #:nodoc:
 
         case array.length
         when 0
-          ''.html_safe
+          "".html_safe
         when 1
           ERB::Util.html_escape(array[0])
         when 2
diff --git a/actionview/lib/action_view/helpers/sanitize_helper.rb b/actionview/lib/action_view/helpers/sanitize_helper.rb
index f9784c3483..3d6ff598ee 100644
--- a/actionview/lib/action_view/helpers/sanitize_helper.rb
+++ b/actionview/lib/action_view/helpers/sanitize_helper.rb
@@ -1,5 +1,5 @@
-require 'active_support/core_ext/object/try'
-require 'rails-html-sanitizer'
+require "active_support/core_ext/object/try"
+require "rails-html-sanitizer"
 
 module ActionView
   # = Action View Sanitize Helpers
diff --git a/actionview/lib/action_view/helpers/tag_helper.rb b/actionview/lib/action_view/helpers/tag_helper.rb
index 4ba37fd5e5..dfa66e11d9 100644
--- a/actionview/lib/action_view/helpers/tag_helper.rb
+++ b/actionview/lib/action_view/helpers/tag_helper.rb
@@ -1,7 +1,7 @@
 # frozen-string-literal: true
 
-require 'active_support/core_ext/string/output_safety'
-require 'set'
+require "active_support/core_ext/string/output_safety"
+require "set"
 
 module ActionView
   # = Action View Tag Helpers
@@ -25,7 +25,7 @@ module ActionView
 
       BOOLEAN_ATTRIBUTES.merge(BOOLEAN_ATTRIBUTES.map(&:to_sym))
 
-      TAG_PREFIXES = ['aria', 'data', :aria, :data].to_set
+      TAG_PREFIXES = ["aria", "data", :aria, :data].to_set
 
       PRE_CONTENT_STRINGS             = Hash.new { "" }
       PRE_CONTENT_STRINGS[:textarea]  = "\n"
@@ -46,7 +46,7 @@ module ActionView
           if VOID_ELEMENTS.include?(name) && content.nil?
             "<#{name.to_s.dasherize}#{tag_options(options, escape_attributes)}>".html_safe
           else
-            content_tag_string(name.to_s.dasherize, content || '', options, escape_attributes)
+            content_tag_string(name.to_s.dasherize, content || "", options, escape_attributes)
           end
         end
 
@@ -290,7 +290,7 @@ module ActionView
       #   cdata_section("hello]]>world")
       #   # => <![CDATA[hello]]]]><![CDATA[>world]]>
       def cdata_section(content)
-        splitted = content.to_s.gsub(/\]\]\>/, ']]]]><![CDATA[>')
+        splitted = content.to_s.gsub(/\]\]\>/, "]]]]><![CDATA[>")
         "<![CDATA[#{splitted}]]>".html_safe
       end
 
diff --git a/actionview/lib/action_view/helpers/tags/base.rb b/actionview/lib/action_view/helpers/tags/base.rb
index 086eaa4aab..0c4b9570e3 100644
--- a/actionview/lib/action_view/helpers/tags/base.rb
+++ b/actionview/lib/action_view/helpers/tags/base.rb
@@ -83,7 +83,7 @@ module ActionView
           options["name"] = options.fetch("name"){ tag_name(options["multiple"], index) }
           options["id"] = options.fetch("id"){ tag_id(index) }
           if namespace = options.delete("namespace")
-            options['id'] = options['id'] ? "#{namespace}_#{options['id']}" : namespace
+            options["id"] = options["id"] ? "#{namespace}_#{options['id']}" : namespace
           end
         end
 
@@ -143,10 +143,10 @@ module ActionView
 
         def add_options(option_tags, options, value = nil)
           if options[:include_blank]
-            option_tags = tag_builder.content_tag_string('option', options[:include_blank].kind_of?(String) ? options[:include_blank] : nil, :value => '') + "\n" + option_tags
+            option_tags = tag_builder.content_tag_string("option", options[:include_blank].kind_of?(String) ? options[:include_blank] : nil, :value => "") + "\n" + option_tags
           end
           if value.blank? && options[:prompt]
-            option_tags = tag_builder.content_tag_string('option', prompt_text(options[:prompt]), :value => '') + "\n" + option_tags
+            option_tags = tag_builder.content_tag_string("option", prompt_text(options[:prompt]), :value => "") + "\n" + option_tags
           end
           option_tags
         end
diff --git a/actionview/lib/action_view/helpers/tags/check_box.rb b/actionview/lib/action_view/helpers/tags/check_box.rb
index 6d51f2629a..653643d692 100644
--- a/actionview/lib/action_view/helpers/tags/check_box.rb
+++ b/actionview/lib/action_view/helpers/tags/check_box.rb
@@ -1,4 +1,4 @@
-require 'action_view/helpers/tags/checkable'
+require "action_view/helpers/tags/checkable"
 
 module ActionView
   module Helpers
diff --git a/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb b/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb
index 3dda47a458..59eacbff8b 100644
--- a/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb
+++ b/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb
@@ -1,4 +1,4 @@
-require 'action_view/helpers/tags/collection_helpers'
+require "action_view/helpers/tags/collection_helpers"
 
 module ActionView
   module Helpers
diff --git a/actionview/lib/action_view/helpers/tags/collection_helpers.rb b/actionview/lib/action_view/helpers/tags/collection_helpers.rb
index fb51460c8e..7607fe64d0 100644
--- a/actionview/lib/action_view/helpers/tags/collection_helpers.rb
+++ b/actionview/lib/action_view/helpers/tags/collection_helpers.rb
@@ -96,7 +96,7 @@ module ActionView
 
           # Prepend a hidden field to make sure something will be sent back to the
           # server if all radio buttons are unchecked.
-          if options.fetch('include_hidden', true)
+          if options.fetch("include_hidden", true)
             hidden_field + rendered_collection
           else
             rendered_collection
diff --git a/actionview/lib/action_view/helpers/tags/collection_radio_buttons.rb b/actionview/lib/action_view/helpers/tags/collection_radio_buttons.rb
index 21aaf122f8..eed7941cd6 100644
--- a/actionview/lib/action_view/helpers/tags/collection_radio_buttons.rb
+++ b/actionview/lib/action_view/helpers/tags/collection_radio_buttons.rb
@@ -1,4 +1,4 @@
-require 'action_view/helpers/tags/collection_helpers'
+require "action_view/helpers/tags/collection_helpers"
 
 module ActionView
   module Helpers
diff --git a/actionview/lib/action_view/helpers/tags/date_select.rb b/actionview/lib/action_view/helpers/tags/date_select.rb
index 0c4ac40070..602f393ddb 100644
--- a/actionview/lib/action_view/helpers/tags/date_select.rb
+++ b/actionview/lib/action_view/helpers/tags/date_select.rb
@@ -1,4 +1,4 @@
-require 'active_support/core_ext/time/calculations'
+require "active_support/core_ext/time/calculations"
 
 module ActionView
   module Helpers
diff --git a/actionview/lib/action_view/helpers/tags/radio_button.rb b/actionview/lib/action_view/helpers/tags/radio_button.rb
index 4849c537a5..1232183dee 100644
--- a/actionview/lib/action_view/helpers/tags/radio_button.rb
+++ b/actionview/lib/action_view/helpers/tags/radio_button.rb
@@ -1,4 +1,4 @@
-require 'action_view/helpers/tags/checkable'
+require "action_view/helpers/tags/checkable"
 
 module ActionView
   module Helpers
diff --git a/actionview/lib/action_view/helpers/tags/text_area.rb b/actionview/lib/action_view/helpers/tags/text_area.rb
index 69038c1498..31e3a9e9b1 100644
--- a/actionview/lib/action_view/helpers/tags/text_area.rb
+++ b/actionview/lib/action_view/helpers/tags/text_area.rb
@@ -1,4 +1,4 @@
-require 'action_view/helpers/tags/placeholderable'
+require "action_view/helpers/tags/placeholderable"
 
 module ActionView
   module Helpers
diff --git a/actionview/lib/action_view/helpers/tags/text_field.rb b/actionview/lib/action_view/helpers/tags/text_field.rb
index 5c576a20ca..9201f8d491 100644
--- a/actionview/lib/action_view/helpers/tags/text_field.rb
+++ b/actionview/lib/action_view/helpers/tags/text_field.rb
@@ -1,4 +1,4 @@
-require 'action_view/helpers/tags/placeholderable'
+require "action_view/helpers/tags/placeholderable"
 
 module ActionView
   module Helpers
diff --git a/actionview/lib/action_view/helpers/text_helper.rb b/actionview/lib/action_view/helpers/text_helper.rb
index fe365fafe1..cb812bd5ba 100644
--- a/actionview/lib/action_view/helpers/text_helper.rb
+++ b/actionview/lib/action_view/helpers/text_helper.rb
@@ -1,5 +1,5 @@
-require 'active_support/core_ext/string/filters'
-require 'active_support/core_ext/array/extract_options'
+require "active_support/core_ext/string/filters"
+require "active_support/core_ext/array/extract_options"
 
 module ActionView
   # = Action View Text Helpers
@@ -135,7 +135,7 @@ module ActionView
         else
           match = Array(phrases).map do |p|
             Regexp === p ? p.to_s : Regexp.escape(p)
-          end.join('|')
+          end.join("|")
 
           if block_given?
             text.gsub(/(#{match})(?![^<]*?>)/i) { |found| yield found }
@@ -358,7 +358,7 @@ module ActionView
       #  <% end %>
       def cycle(first_value, *values)
         options = values.extract_options!
-        name = options.fetch(:name, 'default')
+        name = options.fetch(:name, "default")
 
         values.unshift(*first_value)
 
diff --git a/actionview/lib/action_view/helpers/translation_helper.rb b/actionview/lib/action_view/helpers/translation_helper.rb
index 622bb193ae..cbabaf5757 100644
--- a/actionview/lib/action_view/helpers/translation_helper.rb
+++ b/actionview/lib/action_view/helpers/translation_helper.rb
@@ -1,7 +1,7 @@
-require 'action_view/helpers/tag_helper'
-require 'active_support/core_ext/string/access'
-require 'active_support/core_ext/regexp'
-require 'i18n/exceptions'
+require "action_view/helpers/tag_helper"
+require "active_support/core_ext/string/access"
+require "active_support/core_ext/regexp"
+require "i18n/exceptions"
 
 module ActionView
   # = Action View Translation Helpers
@@ -101,12 +101,12 @@ module ActionView
 
           interpolations = options.except(:default, :scope)
           if interpolations.any?
-            title << ", " << interpolations.map { |k, v| "#{k}: #{ERB::Util.html_escape(v)}" }.join(', ')
+            title << ", " << interpolations.map { |k, v| "#{k}: #{ERB::Util.html_escape(v)}" }.join(", ")
           end
 
           return title unless ActionView::Base.debug_missing_translation
 
-          content_tag('span', keys.last.to_s.titleize, class: 'translation_missing', title: title)
+          content_tag("span", keys.last.to_s.titleize, class: "translation_missing", title: title)
         end
       end
       alias :t :translate
diff --git a/actionview/lib/action_view/helpers/url_helper.rb b/actionview/lib/action_view/helpers/url_helper.rb
index 5d7940a7b1..82aeeedad9 100644
--- a/actionview/lib/action_view/helpers/url_helper.rb
+++ b/actionview/lib/action_view/helpers/url_helper.rb
@@ -1,8 +1,8 @@
-require 'action_view/helpers/javascript_helper'
-require 'active_support/core_ext/array/access'
-require 'active_support/core_ext/hash/keys'
-require 'active_support/core_ext/string/output_safety'
-require 'active_support/core_ext/regexp'
+require "action_view/helpers/javascript_helper"
+require "active_support/core_ext/array/access"
+require "active_support/core_ext/hash/keys"
+require "active_support/core_ext/string/output_safety"
+require "active_support/core_ext/regexp"
 
 module ActionView
   # = Action View URL Helpers
@@ -42,14 +42,14 @@ module ActionView
       end
 
       def _back_url # :nodoc:
-        _filtered_referrer || 'javascript:history.back()'
+        _filtered_referrer || "javascript:history.back()"
       end
       protected :_back_url
 
       def _filtered_referrer # :nodoc:
         if controller.respond_to?(:request)
           referrer = controller.request.env["HTTP_REFERER"]
-          if referrer && URI(referrer).scheme != 'javascript'
+          if referrer && URI(referrer).scheme != "javascript"
             referrer
           end
         end
@@ -299,34 +299,34 @@ module ActionView
         html_options = html_options.stringify_keys
 
         url    = options.is_a?(String) ? options : url_for(options)
-        remote = html_options.delete('remote')
-        params = html_options.delete('params')
+        remote = html_options.delete("remote")
+        params = html_options.delete("params")
 
-        method     = html_options.delete('method').to_s
-        method_tag = BUTTON_TAG_METHOD_VERBS.include?(method) ? method_tag(method) : ''.freeze.html_safe
+        method     = html_options.delete("method").to_s
+        method_tag = BUTTON_TAG_METHOD_VERBS.include?(method) ? method_tag(method) : "".freeze.html_safe
 
-        form_method  = method == 'get' ? 'get' : 'post'
-        form_options = html_options.delete('form') || {}
-        form_options[:class] ||= html_options.delete('form_class') || 'button_to'
+        form_method  = method == "get" ? "get" : "post"
+        form_options = html_options.delete("form") || {}
+        form_options[:class] ||= html_options.delete("form_class") || "button_to"
         form_options[:method] = form_method
         form_options[:action] = url
         form_options[:'data-remote'] = true if remote
 
-        request_token_tag = if form_method == 'post'
-          request_method = method.empty? ? 'post' : method
+        request_token_tag = if form_method == "post"
+          request_method = method.empty? ? "post" : method
           token_tag(nil, form_options: { action: url, method: request_method })
         else
-          ''.freeze
+          "".freeze
         end
 
         html_options = convert_options_to_data_attributes(options, html_options)
-        html_options['type'] = 'submit'
+        html_options["type"] = "submit"
 
         button = if block_given?
-          content_tag('button', html_options, &block)
+          content_tag("button", html_options, &block)
         else
-          html_options['value'] = name || url
-          tag('input', html_options)
+          html_options["value"] = name || url
+          tag("input", html_options)
         end
 
         inner_tags = method_tag.safe_concat(button).safe_concat(request_token_tag)
@@ -335,7 +335,7 @@ module ActionView
             inner_tags.safe_concat tag(:input, type: "hidden", name: param[:name], value: param[:value])
           end
         end
-        content_tag('form', inner_tags, form_options)
+        content_tag("form", inner_tags, form_options)
       end
 
       # Creates a link tag of the given +name+ using a URL created by the set of
@@ -482,7 +482,7 @@ module ActionView
           option = html_options.delete(item).presence || next
           "#{item.dasherize}=#{ERB::Util.url_encode(option)}"
         }.compact
-        extras = extras.empty? ? ''.freeze : '?' + extras.join('&')
+        extras = extras.empty? ? "".freeze : "?" + extras.join("&")
 
         encoded_email_address = ERB::Util.url_encode(email_address).gsub("%40", "@")
         html_options["href"] = "mailto:#{encoded_email_address}#{extras}"
@@ -562,21 +562,21 @@ module ActionView
         def convert_options_to_data_attributes(options, html_options)
           if html_options
             html_options = html_options.stringify_keys
-            html_options['data-remote'] = 'true'.freeze if link_to_remote_options?(options) || link_to_remote_options?(html_options)
+            html_options["data-remote"] = "true".freeze if link_to_remote_options?(options) || link_to_remote_options?(html_options)
 
-            method  = html_options.delete('method'.freeze)
+            method  = html_options.delete("method".freeze)
 
             add_method_to_attributes!(html_options, method) if method
 
             html_options
           else
-            link_to_remote_options?(options) ? {'data-remote' => 'true'.freeze} : {}
+            link_to_remote_options?(options) ? {"data-remote" => "true".freeze} : {}
           end
         end
 
         def link_to_remote_options?(options)
           if options.is_a?(Hash)
-            options.delete('remote'.freeze) || options.delete(:remote)
+            options.delete("remote".freeze) || options.delete(:remote)
           end
         end
 
@@ -592,12 +592,12 @@ module ActionView
             token ||= form_authenticity_token(form_options: form_options)
             tag(:input, type: "hidden", name: request_forgery_protection_token.to_s, value: token)
           else
-            ''.freeze
+            "".freeze
           end
         end
 
         def method_tag(method)
-          tag('input', type: 'hidden', name: '_method', value: method.to_s)
+          tag("input", type: "hidden", name: "_method", value: method.to_s)
         end
 
         # Returns an array of hashes each containing :name and :value keys