Rubocop: Style/EmptyLiteral

- Use array literal [] instead of Array.new
 - Use hash literal {} instead of Hash.new

lib/jekyll.rb

@@ -95,7 +95,7 @@ module Jekyll
     #            list of option names and their defaults.
     #
     # Returns the final configuration Hash.
-    def configuration(override = Hash.new)
+    def configuration(override = {})
       config = Configuration[Configuration::DEFAULTS]
       override = Configuration[override].stringify_keys
       unless override.delete('skip_config_files')

lib/jekyll/collection.rb

@@ -76,7 +76,7 @@ module Jekyll
     # Returns an Array of file paths to the documents in this collection
     #   relative to the collection's directory
     def entries
-      return Array.new unless exists?
+      return [] unless exists?
       @entries ||=
         Utils.safe_glob(collection_dir, ["**", "*.*"]).map do |entry|
           entry["#{collection_dir}/"] = ''; entry
@@ -88,7 +88,7 @@ module Jekyll
     #
     # Returns a list of filtered entry paths.
     def filtered_entries
-      return Array.new unless exists?
+      return [] unless exists?
       @filtered_entries ||=
         Dir.chdir(directory) do
           entry_filter.filter(entries).reject do |f|
@@ -195,7 +195,7 @@ module Jekyll
     # Returns the metadata for this collection
     def extract_metadata
       if site.config['collections'].is_a?(Hash)
-        site.config['collections'][label] || Hash.new
+        site.config['collections'][label] || {}
       else
         {}
       end

lib/jekyll/commands/doctor.rb

@@ -105,7 +105,7 @@ module Jekyll
         end
 
         def case_insensitive_urls(things, destination)
-          things.inject(Hash.new) do |memo, thing|
+          things.inject({}) do |memo, thing|
             dest = thing.destination(destination)
             (memo[dest.downcase] ||= []) << dest
             memo

lib/jekyll/document.rb

@@ -52,7 +52,7 @@ module Jekyll
     # Returns a Hash containing the data. An empty hash is returned if
     #   no data was read.
     def data
-      @data ||= Hash.new
+      @data ||= {}
     end
 
     # Merge some data in with this document's data.

lib/jekyll/readers/page_reader.rb

@@ -4,7 +4,7 @@ module Jekyll
     def initialize(site, dir)
       @site = site
       @dir = dir
-      @unfiltered_content = Array.new
+      @unfiltered_content = []
     end
 
     # Read all the files in <source>/<dir>/ for Yaml header and create a new Page

lib/jekyll/readers/static_file_reader.rb

@@ -4,7 +4,7 @@ module Jekyll
     def initialize(site, dir)
       @site = site
       @dir = dir
-      @unfiltered_content = Array.new
+      @unfiltered_content = []
     end
 
     # Read all the files in <source>/<dir>/ for Yaml header and create a new Page

lib/jekyll/static_file.rb

@@ -1,7 +1,7 @@
 module Jekyll
   class StaticFile
     # The cache of last modification times [path] -> mtime.
-    @@mtimes = Hash.new
+    @@mtimes = {}
 
     attr_reader :relative_path, :extname
 
@@ -90,7 +90,7 @@ module Jekyll
     #
     # Returns nothing.
     def self.reset_cache
-      @@mtimes = Hash.new
+      @@mtimes = {}
       nil
     end