Consider that the project has a type checker if sorbet-static is present as transitive dependency

Author: vinistock

lib/ruby_lsp/global_state.rb

@@ -93,7 +93,7 @@ def apply_options(options)
       @test_library = detect_test_library(direct_dependencies)
       notifications << Notification.window_log_message("Detected test library: #{@test_library}")
 
-      @has_type_checker = detect_typechecker(direct_dependencies)
+      @has_type_checker = detect_typechecker(all_dependencies)
       if @has_type_checker
         notifications << Notification.window_log_message(
           "Ruby LSP detected this is a Sorbet project and will defer to the Sorbet LSP for some functionality",

test/global_state_test.rb

@@ -199,6 +199,16 @@ def test_apply_options_sets_experimental_features
       assert_predicate(state, :experimental_features)
     end
 
+    def test_type_checker_is_detected_based_on_transitive_sorbet_static
+      state = GlobalState.new
+
+      Bundler.locked_gems.stubs(dependencies: {})
+      stub_all_dependencies("sorbet-static")
+      state.apply_options({ initializationOptions: {} })
+
+      assert_predicate(state, :has_type_checker)
+    end
+
     private
 
     def stub_direct_dependencies(dependencies)