Update docs (#644)

* Fix typo of gemspec

* Update method doc reflected new data structure

* Use ruby method to convert to hash

lib/sidekiq_unique_jobs/digests.rb

@@ -31,7 +31,8 @@ def add(digest)
     #
     # @param [String] pattern a key pattern to match with
     # @param [Integer] count the maximum number
-    # @return [Array<String>] with unique digests
+    # @return [Hash<String,Float>] Hash mapping of digest matching the given pattern and score
+
     def delete_by_pattern(pattern, count: DEFAULT_COUNT)
       result, elapsed = timed do
         digests = entries(pattern: pattern, count: count).keys
@@ -80,11 +81,7 @@ def entries(pattern: SCAN_PATTERN, count: DEFAULT_COUNT)
       options[:match] = pattern
       options[:count] = count
 
-      result = redis { |conn| conn.zscan_each(key, **options).to_a }
-
-      result.each_with_object({}) do |entry, hash|
-        hash[entry[0]] = entry[1]
-      end
+      redis { |conn| conn.zscan_each(key, **options).to_a }.to_h
     end
 
     #

sidekiq-unique-jobs.gemspec

@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
   spec.post_install_message = <<~POST_INSTALL
     IMPORTANT!
 
-    Automatic configuration of the sidekiq middelware is no longer done.
+    Automatic configuration of the sidekiq middleware is no longer done.
     Please see: https://github.com/mhenrixon/sidekiq-unique-jobs/blob/master/README.md#add-the-middleware
 
     This version deprecated the following sidekiq_options