Remove code_navigation feature flag

It has been enabled for a while without major issues, we can rm it

app/assets/javascripts/blob/viewer/index.js

@@ -179,9 +179,7 @@ export default class BlobViewer {
       viewer.innerHTML = data.html;
       viewer.setAttribute('data-loaded', 'true');
 
-      if (window.gon?.features?.codeNavigation) {
-        eventHub.$emit('showBlobInteractionZones', viewer.dataset.path);
-      }
+      eventHub.$emit('showBlobInteractionZones', viewer.dataset.path);
 
       return viewer;
     });

app/assets/javascripts/diffs/components/diff_content.vue

@@ -85,11 +85,9 @@ export default {
     },
   },
   updated() {
-    if (window.gon?.features?.codeNavigation) {
-      this.$nextTick(() => {
-        eventHub.$emit('showBlobInteractionZones', this.diffFile.new_path);
-      });
-    }
+    this.$nextTick(() => {
+      eventHub.$emit('showBlobInteractionZones', this.diffFile.new_path);
+    });
   },
   methods: {
     ...mapActions('diffs', ['saveDiffDiscussion', 'closeDiffFileCommentForm']),

app/assets/javascripts/diffs/store/actions.js

@@ -103,20 +103,18 @@ export const fetchDiffFilesBatch = ({ commit, state, dispatch }) => {
             commit(types.VIEW_DIFF_FILE, state.diffFiles[0].file_hash);
           }
 
-          if (gon.features?.codeNavigation) {
-            // eslint-disable-next-line promise/catch-or-return,promise/no-nesting
-            import('~/code_navigation').then(m =>
-              m.default({
-                blobs: state.diffFiles
-                  .filter(f => f.code_navigation_path)
-                  .map(f => ({
-                    path: f.new_path,
-                    codeNavigationPath: f.code_navigation_path,
-                  })),
-                definitionPathPrefix: state.definitionPathPrefix,
-              }),
-            );
-          }
+          // eslint-disable-next-line promise/catch-or-return,promise/no-nesting
+          import('~/code_navigation').then(m =>
+            m.default({
+              blobs: state.diffFiles
+                .filter(f => f.code_navigation_path)
+                .map(f => ({
+                  path: f.new_path,
+                  codeNavigationPath: f.code_navigation_path,
+                })),
+              definitionPathPrefix: state.definitionPathPrefix,
+            }),
+          );
         }
 
         return pagination.next_page;

app/assets/javascripts/pages/projects/blob/show/index.js

@@ -58,7 +58,7 @@ document.addEventListener('DOMContentLoaded', () => {
 
   const codeNavEl = document.getElementById('js-code-navigation');
 
-  if (gon.features?.codeNavigation && codeNavEl) {
+  if (codeNavEl) {
     const { codeNavigationPath, blobPath, definitionPathPrefix } = codeNavEl.dataset;
 
     // eslint-disable-next-line promise/catch-or-return

app/controllers/projects/blob_controller.rb

@@ -33,7 +33,6 @@ class Projects::BlobController < Projects::ApplicationController
   before_action :set_last_commit_sha, only: [:edit, :update]
 
   before_action only: :show do
-    push_frontend_feature_flag(:code_navigation, @project, default_enabled: true)
     push_frontend_feature_flag(:suggest_pipeline) if experiment_enabled?(:suggest_pipeline)
     push_frontend_feature_flag(:gitlab_ci_yml_preview, @project, default_enabled: false)
   end

app/controllers/projects/merge_requests_controller.rb

@@ -29,7 +29,6 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo
   before_action only: [:show] do
     push_frontend_feature_flag(:deploy_from_footer, @project, default_enabled: true)
     push_frontend_feature_flag(:suggest_pipeline) if experiment_enabled?(:suggest_pipeline)
-    push_frontend_feature_flag(:code_navigation, @project, default_enabled: true)
     push_frontend_feature_flag(:widget_visibility_polling, @project, default_enabled: true)
     push_frontend_feature_flag(:merge_ref_head_comments, @project, default_enabled: true)
     push_frontend_feature_flag(:mr_commit_neighbor_nav, @project, default_enabled: true)

app/helpers/projects_helper.rb

@@ -758,10 +758,6 @@ module ProjectsHelper
       !project.repository.gitlab_ci_yml
   end
 
-  def native_code_navigation_enabled?(project)
-    Feature.enabled?(:code_navigation, project, default_enabled: true)
-  end
-
   def show_visibility_confirm_modal?(project)
     project.unlink_forks_upon_visibility_decrease_enabled? && project.visibility_level > Gitlab::VisibilityLevel::PRIVATE && project.forks_count > 0
   end

app/serializers/diffs_entity.rb

@@ -78,7 +78,7 @@ class DiffsEntity < Grape::Entity
     options[:merge_request_diffs]
   end
 
-  expose :definition_path_prefix, if: -> (diff_file) { Feature.enabled?(:code_navigation, merge_request.project, default_enabled: true) } do |diffs|
+  expose :definition_path_prefix do |diffs|
     project_blob_path(merge_request.project, diffs.diff_refs&.head_sha)
   end
 
@@ -89,8 +89,6 @@ class DiffsEntity < Grape::Entity
   private
 
   def code_navigation_path(diffs)
-    return unless Feature.enabled?(:code_navigation, merge_request.project, default_enabled: true)
-
     Gitlab::CodeNavigationPath.new(merge_request.project, diffs.diff_refs&.head_sha)
   end
 

app/serializers/paginated_diff_entity.rb

@@ -37,8 +37,6 @@ class PaginatedDiffEntity < Grape::Entity
   private
 
   def code_navigation_path(diffs)
-    return unless Feature.enabled?(:code_navigation, merge_request.project, default_enabled: true)
-
     Gitlab::CodeNavigationPath.new(merge_request.project, diffs.diff_refs&.head_sha)
   end
 

app/services/ci/create_job_artifacts_service.rb

@@ -52,24 +52,15 @@ module Ci
     attr_reader :job, :project
 
     def validate_requirements(artifact_type:, filesize:)
-      return forbidden_type_error(artifact_type) if forbidden_type?(artifact_type)
       return too_large_error if too_large?(artifact_type, filesize)
 
       success
     end
 
-    def forbidden_type?(type)
-      lsif?(type) && !code_navigation_enabled?
-    end
-
     def too_large?(type, size)
       size > max_size(type) if size
     end
 
-    def code_navigation_enabled?
-      Feature.enabled?(:code_navigation, project, default_enabled: true)
-    end
-
     def lsif?(type)
       type == LSIF_ARTIFACT_TYPE
     end

app/views/projects/merge_requests/show.html.haml

@@ -43,7 +43,6 @@
 
     .tab-content#diff-notes-app
       #js-diff-file-finder
-      - if native_code_navigation_enabled?(@project)
         #js-code-navigation
       = render "projects/merge_requests/tabs/pane", id: "notes", class: "notes voting_notes" do
         .row

config/feature_flags/development/code_navigation.yml

----
-name: code_navigation
-introduced_by_url: 
-rollout_issue_url: 
-group: 
-type: development
-default_enabled: true

lib/gitlab/code_navigation_path.rb

@@ -13,7 +13,6 @@ module Gitlab
     end
 
     def full_json_path_for(path)
-      return unless Feature.enabled?(:code_navigation, project, default_enabled: true)
       return unless build
 
       raw_project_job_artifacts_path(project, build, path: "lsif/#{path}.json", file_type: :lsif)

spec/lib/gitlab/code_navigation_path_spec.rb

@@ -16,10 +16,6 @@ RSpec.describe Gitlab::CodeNavigationPath do
 
     subject { described_class.new(project, commit_sha).full_json_path_for(path) }
 
-    before do
-      stub_feature_flags(code_navigation: project)
-    end
-
     context 'when a pipeline exist for a sha' do
       it 'returns path to a file in the artifact' do
         expect(subject).to eq(lsif_path)
@@ -41,15 +37,5 @@ RSpec.describe Gitlab::CodeNavigationPath do
         expect(subject).to eq(lsif_path)
       end
     end
-
-    context 'when code_navigation feature is disabled' do
-      before do
-        stub_feature_flags(code_navigation: false)
-      end
-
-      it 'returns nil' do
-        expect(subject).to be_nil
-      end
-    end
   end
 end

spec/requests/api/ci/runner/jobs_artifacts_spec.rb

@@ -227,10 +227,6 @@ RSpec.describe API::Ci::Runner, :clean_gitlab_redis_shared_state do
         end
 
         context 'authorize uploading of an lsif artifact' do
-          before do
-            stub_feature_flags(code_navigation: job.project)
-          end
-
           it 'adds ProcessLsif header' do
             authorize_artifacts_with_token_in_headers(artifact_type: :lsif)
 
@@ -249,32 +245,6 @@ RSpec.describe API::Ci::Runner, :clean_gitlab_redis_shared_state do
               .to change { Gitlab::UsageDataCounters::HLLRedisCounter.unique_events(tracking_params) }
               .by(1)
           end
-
-          context 'code_navigation feature flag is disabled' do
-            before do
-              stub_feature_flags(code_navigation: false)
-            end
-
-            it 'responds with a forbidden error' do
-              authorize_artifacts_with_token_in_headers(artifact_type: :lsif)
-
-              aggregate_failures do
-                expect(response).to have_gitlab_http_status(:forbidden)
-                expect(json_response['ProcessLsif']).to be_falsy
-              end
-            end
-
-            it 'does not track code_intelligence usage ping' do
-              tracking_params = {
-                event_names: 'i_source_code_code_intelligence',
-                start_date: Date.yesterday,
-                end_date: Date.today
-              }
-
-              expect { authorize_artifacts_with_token_in_headers(artifact_type: :lsif) }
-                .not_to change { Gitlab::UsageDataCounters::HLLRedisCounter.unique_events(tracking_params) }
-            end
-          end
         end
 
         def authorize_artifacts(params = {}, request_headers = headers)

spec/serializers/diffs_entity_spec.rb

@@ -68,15 +68,5 @@ RSpec.describe DiffsEntity do
         end
       end
     end
-
-    context 'when code_navigation feature flag is disabled' do
-      it 'does not include code navigation properties' do
-        stub_feature_flags(code_navigation: false)
-
-        expect(Gitlab::CodeNavigationPath).not_to receive(:new)
-
-        expect(subject).not_to include(:definition_path_prefix)
-      end
-    end
   end
 end

spec/serializers/paginated_diff_entity_spec.rb

@@ -31,14 +31,4 @@ RSpec.describe PaginatedDiffEntity do
       total_pages: 7
     )
   end
-
-  context 'when code_navigation feature flag is disabled' do
-    it 'does not execute Gitlab::CodeNavigationPath' do
-      stub_feature_flags(code_navigation: false)
-
-      expect(Gitlab::CodeNavigationPath).not_to receive(:new)
-
-      subject
-    end
-  end
 end