Fix cop offenses for Style/HashTransformation in lib directory

Contributes to https://gitlab.com/gitlab-org/gitlab/-/issues/322739

.rubocop_manual_todo.yml

@@ -3335,26 +3335,6 @@ Style/HashTransformation:
     - 'ee/lib/gitlab/custom_file_templates.rb'
     - 'ee/spec/elastic_integration/global_search_spec.rb'
     - 'ee/spec/lib/ee/gitlab/application_context_spec.rb'
-    - 'lib/api/helpers/packages/conan/api_helpers.rb'
-    - 'lib/api/projects.rb'
-    - 'lib/atlassian/jira_connect/client.rb'
-    - 'lib/banzai/filter/repository_link_filter.rb'
-    - 'lib/gitlab/ci/config/entry/product/variables.rb'
-    - 'lib/gitlab/ci/config/entry/variables.rb'
-    - 'lib/gitlab/ci/variables/collection.rb'
-    - 'lib/gitlab/ci/variables/helpers.rb'
-    - 'lib/gitlab/git/commit.rb'
-    - 'lib/gitlab/import_sources.rb'
-    - 'lib/gitlab/language_detection.rb'
-    - 'lib/gitlab/metrics/samplers/database_sampler.rb'
-    - 'lib/gitlab/metrics/subscribers/active_record.rb'
-    - 'lib/gitlab/phabricator_import/project_creator.rb'
-    - 'lib/gitlab/prometheus_client.rb'
-    - 'lib/gitlab/repository_hash_cache.rb'
-    - 'lib/gitlab/static_site_editor/config/file_config.rb'
-    - 'lib/gitlab/template/base_template.rb'
-    - 'lib/gitlab/usage_data_counters/base_counter.rb'
-    - 'lib/gitlab/usage_data_counters/note_counter.rb'
     - 'spec/lib/atlassian/jira_connect/serializers/pull_request_entity_spec.rb'
     - 'spec/lib/gitlab/ci/status/composite_spec.rb'
     - 'spec/lib/gitlab/conflict/file_spec.rb'

changelogs/unreleased/pl-rubocop-style-hashtransformation-lib-directory.yml

+---
+title: Fix cop offenses for Style/HashTransformation in lib directory
+merge_request: 56583
+author: Karthik Sivadas @karthik.sivadas
+type: other

lib/api/helpers/packages/conan/api_helpers.rb

@@ -32,19 +32,15 @@ module API
           end
 
           def recipe_upload_urls
-            { upload_urls: Hash[
-              file_names.select(&method(:recipe_file?)).map do |file_name|
-                [file_name, build_recipe_file_upload_url(file_name)]
-              end
-            ] }
+            { upload_urls: file_names.select(&method(:recipe_file?)).to_h do |file_name|
+                             [file_name, build_recipe_file_upload_url(file_name)]
+                           end }
           end
 
           def package_upload_urls
-            { upload_urls: Hash[
-              file_names.select(&method(:package_file?)).map do |file_name|
-                [file_name, build_package_file_upload_url(file_name)]
-              end
-            ] }
+            { upload_urls: file_names.select(&method(:package_file?)).to_h do |file_name|
+                             [file_name, build_package_file_upload_url(file_name)]
+                           end }
           end
 
           def recipe_file?(file_name)

lib/api/projects.rb

@@ -485,7 +485,7 @@ module API
       get ':id/languages', feature_category: :source_code_management do
         ::Projects::RepositoryLanguagesService
           .new(user_project, current_user)
-          .execute.map { |lang| [lang.name, lang.share] }.to_h
+          .execute.to_h { |lang| [lang.name, lang.share] }
       end
 
       desc 'Delete a project'

lib/atlassian/jira_connect/client.rb

@@ -141,9 +141,9 @@ module Atlassian
       def user_notes_count(merge_requests)
         return unless merge_requests
 
-        Note.count_for_collection(merge_requests.map(&:id), 'MergeRequest').map do |count_group|
+        Note.count_for_collection(merge_requests.map(&:id), 'MergeRequest').to_h do |count_group|
           [count_group.noteable_id, count_group.count]
-        end.to_h
+        end
       end
 
       def jwt_token(http_method, uri)

lib/banzai/filter/repository_link_filter.rb

@@ -60,7 +60,7 @@ module Banzai
       def get_uri_types(paths)
         return {} if paths.empty?
 
-        uri_types = Hash[paths.collect { |name| [name, nil] }]
+        uri_types = paths.to_h { |name| [name, nil] }
 
         get_blob_types(paths).each do |name, type|
           if type == :blob

lib/gitlab/ci/config/entry/product/variables.rb

@@ -25,8 +25,7 @@ module Gitlab
 
             def value
               @config
-                .map { |key, value| [key.to_s, Array(value).map(&:to_s)] }
-                .to_h
+                .to_h { |key, value| [key.to_s, Array(value).map(&:to_s)] }
             end
           end
         end

lib/gitlab/ci/config/entry/variables.rb

@@ -18,7 +18,7 @@ module Gitlab
           end
 
           def value
-            Hash[@config.map { |key, value| [key.to_s, expand_value(value)[:value]] }]
+            @config.to_h { |key, value| [key.to_s, expand_value(value)[:value]] }
           end
 
           def self.default(**)
@@ -26,7 +26,7 @@ module Gitlab
           end
 
           def value_with_data
-            Hash[@config.map { |key, value| [key.to_s, expand_value(value)] }]
+            @config.to_h { |key, value| [key.to_s, expand_value(value)] }
           end
 
           def use_value_data?

lib/gitlab/ci/variables/helpers.rb

@@ -23,7 +23,7 @@ module Gitlab
           def transform_from_yaml_variables(vars)
             return vars.stringify_keys if vars.is_a?(Hash)
 
-            vars.to_a.map { |var| [var[:key].to_s, var[:value]] }.to_h
+            vars.to_a.to_h { |var| [var[:key].to_s, var[:value]] }
           end
 
           def inherit_yaml_variables(from:, to:, inheritance:)

lib/gitlab/git/commit.rb

@@ -390,7 +390,7 @@ module Gitlab
         @committer_name = commit.committer.name.dup
         @committer_email = commit.committer.email.dup
         @parent_ids = Array(commit.parent_ids)
-        @trailers = Hash[commit.trailers.map { |t| [t.key, t.value] }]
+        @trailers = commit.trailers.to_h { |t| [t.key, t.value] }
       end
 
       # Gitaly provides a UNIX timestamp in author.date.seconds, and a timezone

lib/gitlab/import_sources.rb

@@ -28,7 +28,7 @@ module Gitlab
       prepend_if_ee('EE::Gitlab::ImportSources') # rubocop: disable Cop/InjectEnterpriseEditionModule
 
       def options
-        Hash[import_table.map { |importer| [importer.title, importer.name] }]
+        import_table.to_h { |importer| [importer.title, importer.name] }
       end
 
       def values

lib/gitlab/language_detection.rb

@@ -20,7 +20,7 @@ module Gitlab
     # Newly detected languages, returned in a structure accepted by
     # Gitlab::Database.bulk_insert
     def insertions(programming_languages)
-      lang_to_id = programming_languages.map { |p| [p.name, p.id] }.to_h
+      lang_to_id = programming_languages.to_h { |p| [p.name, p.id] }
 
       (languages - previous_language_names).map do |new_lang|
         {
@@ -63,8 +63,7 @@ module Gitlab
         @repository
         .languages
         .first(MAX_LANGUAGES)
-        .map { |l| [l[:label], l] }
-        .to_h
+        .to_h { |l| [l[:label], l] }
     end
   end
 end

lib/gitlab/metrics/samplers/database_sampler.rb

@@ -32,9 +32,9 @@ module Gitlab
         private
 
         def init_metrics
-          METRIC_DESCRIPTIONS.map do |name, description|
+          METRIC_DESCRIPTIONS.to_h do |name, description|
             [name, ::Gitlab::Metrics.gauge(:"#{METRIC_PREFIX}#{name}", description)]
-          end.to_h
+          end
         end
 
         def host_stats

lib/gitlab/phabricator_import/project_creator.rb

@@ -55,12 +55,13 @@ module Gitlab
       end
 
       def project_feature_attributes
-        @project_features_attributes ||= begin
-          # everything disabled except for issues
-          ProjectFeature::FEATURES.map do |feature|
-            [ProjectFeature.access_level_attribute(feature), ProjectFeature::DISABLED]
-          end.to_h.merge(ProjectFeature.access_level_attribute(:issues) => ProjectFeature::ENABLED)
-        end
+        @project_features_attributes ||=
+          begin
+            # everything disabled except for issues
+            ProjectFeature::FEATURES.to_h do |feature|
+              [ProjectFeature.access_level_attribute(feature), ProjectFeature::DISABLED]
+            end.merge(ProjectFeature.access_level_attribute(:issues) => ProjectFeature::ENABLED)
+          end
       end
 
       def import_data

lib/gitlab/prometheus_client.rb

@@ -140,7 +140,7 @@ module Gitlab
     end
 
     def mapped_options
-      options.keys.map { |k| [gitlab_http_key(k), options[k]] }.to_h
+      options.keys.to_h { |k| [gitlab_http_key(k), options[k]] }
     end
 
     def http_options

lib/gitlab/repository_hash_cache.rb

@@ -148,7 +148,7 @@ module Gitlab
     # @param hash [Hash]
     # @return [Hash] the stringified hash
     def standardize_hash(hash)
-      hash.map { |k, v| [k.to_s, v.to_s] }.to_h
+      hash.to_h { |k, v| [k.to_s, v.to_s] }
     end
 
     # Record metrics in Prometheus.

lib/gitlab/static_site_editor/config/file_config.rb

@@ -28,7 +28,7 @@ module Gitlab
         def to_hash_with_defaults
           # NOTE: The current approach of simply mapping all the descendents' keys and values ('config')
           #       into a flat hash may need to be enhanced as we add more complex, non-scalar entries.
-          @global.descendants.map { |descendant| [descendant.key, descendant.config] }.to_h
+          @global.descendants.to_h { |descendant| [descendant.key, descendant.config] }
         end
 
         private

lib/gitlab/template/base_template.rb

@@ -130,10 +130,10 @@ module Gitlab
           return [] if project && !project.repository.exists?
 
           if categories.any?
-            categories.keys.map do |category|
+            categories.keys.to_h do |category|
               files = self.by_category(category, project)
               [category, files.map { |t| { key: t.key, name: t.name, content: t.content } }]
-            end.to_h
+            end
           else
             files = self.all(project)
             files.map { |t| { key: t.key, name: t.name, content: t.content } }

lib/gitlab/usage_data_counters/base_counter.rb

@@ -22,11 +22,11 @@ module Gitlab::UsageDataCounters
       end
 
       def totals
-        known_events.map { |event| [counter_key(event), read(event)] }.to_h
+        known_events.to_h { |event| [counter_key(event), read(event)] }
       end
 
       def fallback_totals
-        known_events.map { |event| [counter_key(event), -1] }.to_h
+        known_events.to_h { |event| [counter_key(event), -1] }
       end
 
       def fetch_supported_event(event_name)

lib/gitlab/usage_data_counters/note_counter.rb

@@ -24,13 +24,13 @@ module Gitlab::UsageDataCounters
       end
 
       def totals
-        COUNTABLE_TYPES.map do |countable_type|
+        COUNTABLE_TYPES.to_h do |countable_type|
           [counter_key(countable_type), read(:create, countable_type)]
-        end.to_h
+        end
       end
 
       def fallback_totals
-        COUNTABLE_TYPES.map { |counter_key| [counter_key(counter_key), -1] }.to_h
+        COUNTABLE_TYPES.to_h { |counter_key| [counter_key(counter_key), -1] }
       end
 
       private