fix: use pointers for optional LSP settings [IDE-899]

application/config/config.go

@@ -581,29 +581,27 @@ func (c *Config) SetSnykAdvisorEnabled(enabled bool) {
 	c.isSnykAdvisorEnabled = enabled
 }
 
-func (c *Config) SetSeverityFilter(severityFilter types.SeverityFilter) bool {
+func (c *Config) SetSeverityFilter(severityFilter *types.SeverityFilter) bool {
 	c.m.Lock()
 	defer c.m.Unlock()
-	emptySeverityFilter := types.SeverityFilter{}
-	if severityFilter == emptySeverityFilter {
+	if severityFilter == nil {
 		return false
 	}
-	filterModified := c.filterSeverity != severityFilter
+	filterModified := c.filterSeverity != *severityFilter
 	c.logger.Debug().Str("method", "SetSeverityFilter").Interface("severityFilter", severityFilter).Msg("Setting severity filter:")
-	c.filterSeverity = severityFilter
+	c.filterSeverity = *severityFilter
 	return filterModified
 }
 
-func (c *Config) SetIssueViewOptions(issueViewOptions types.IssueViewOptions) bool {
+func (c *Config) SetIssueViewOptions(issueViewOptions *types.IssueViewOptions) bool {
 	c.m.Lock()
 	defer c.m.Unlock()
-	emptyIssueViewOptions := types.IssueViewOptions{}
-	if issueViewOptions == emptyIssueViewOptions {
+	if issueViewOptions == nil {
 		return false
 	}
-	issueViewOptionsModified := c.issueViewOptions != issueViewOptions
+	issueViewOptionsModified := c.issueViewOptions != *issueViewOptions
 	c.logger.Debug().Str("method", "SetIssueViewOptions").Interface("issueViewOptions", issueViewOptions).Msg("Setting issue view options:")
-	c.issueViewOptions = issueViewOptions
+	c.issueViewOptions = *issueViewOptions
 	return issueViewOptionsModified
 }
 

application/config/config_test.go

@@ -21,6 +21,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/snyk/snyk-ls/internal/util"
+
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -168,37 +170,37 @@ func TestSnykCodeApi(t *testing.T) {
 func Test_SetSeverityFilter(t *testing.T) {
 	t.Run("Saves filter", func(t *testing.T) {
 		c := New()
-		c.SetSeverityFilter(types.NewSeverityFilter(true, true, false, false))
+		c.SetSeverityFilter(util.PtrOf(types.NewSeverityFilter(true, true, false, false)))
 		assert.Equal(t, types.NewSeverityFilter(true, true, false, false), c.FilterSeverity())
 	})
 
 	t.Run("Returns correctly", func(t *testing.T) {
 		c := New()
 		lowExcludedFilter := types.NewSeverityFilter(true, true, false, false)
 
-		modified := c.SetSeverityFilter(lowExcludedFilter)
+		modified := c.SetSeverityFilter(&lowExcludedFilter)
 		assert.True(t, modified)
 
-		modified = c.SetSeverityFilter(lowExcludedFilter)
+		modified = c.SetSeverityFilter(&lowExcludedFilter)
 		assert.False(t, modified)
 	})
 }
 
 func Test_SetIssueViewOptions(t *testing.T) {
 	t.Run("Saves filter", func(t *testing.T) {
 		c := New()
-		c.SetIssueViewOptions(types.NewIssueViewOptions(false, true))
+		c.SetIssueViewOptions(util.PtrOf(types.NewIssueViewOptions(false, true)))
 		assert.Equal(t, types.NewIssueViewOptions(false, true), c.IssueViewOptions())
 	})
 
 	t.Run("Returns correctly", func(t *testing.T) {
 		c := New()
 		ignoredOnlyFilter := types.NewIssueViewOptions(false, true)
 
-		modified := c.SetIssueViewOptions(ignoredOnlyFilter)
+		modified := c.SetIssueViewOptions(&ignoredOnlyFilter)
 		assert.True(t, modified)
 
-		modified = c.SetIssueViewOptions(ignoredOnlyFilter)
+		modified = c.SetIssueViewOptions(&ignoredOnlyFilter)
 		assert.False(t, modified)
 	})
 }

application/server/authentication_smoke_test.go

@@ -23,6 +23,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/snyk/snyk-ls/internal/util"
+
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/oauth2"
@@ -78,8 +80,8 @@ func checkInvalidCredentialsMessageRequest(t *testing.T, expected string, tokenS
 		InitializationOptions: types.Settings{
 			Token:                       tokenString,
 			EnableTrustedFoldersFeature: "false",
-			FilterSeverity:              types.DefaultSeverityFilter(),
-			IssueViewOptions:            types.DefaultIssueViewOptions(),
+			FilterSeverity:              util.PtrOf(types.DefaultSeverityFilter()),
+			IssueViewOptions:            util.PtrOf(types.DefaultIssueViewOptions()),
 			AuthenticationMethod:        types.OAuthAuthentication,
 			AutomaticAuthentication:     "false",
 		},

application/server/configuration.go

@@ -393,7 +393,7 @@ func updateProductEnablement(c *config.Config, settings types.Settings) {
 	}
 }
 
-func updateIssueViewOptions(c *config.Config, s types.IssueViewOptions) {
+func updateIssueViewOptions(c *config.Config, s *types.IssueViewOptions) {
 	c.Logger().Debug().Str("method", "updateIssueViewOptions").Interface("issueViewOptions", s).Msg("Updating issue view options:")
 	modified := c.SetIssueViewOptions(s)
 
@@ -402,7 +402,7 @@ func updateIssueViewOptions(c *config.Config, s types.IssueViewOptions) {
 	}
 }
 
-func updateSeverityFilter(c *config.Config, s types.SeverityFilter) {
+func updateSeverityFilter(c *config.Config, s *types.SeverityFilter) {
 	c.Logger().Debug().Str("method", "updateSeverityFilter").Interface("severityFilter", s).Msg("Updating severity filter:")
 	modified := c.SetSeverityFilter(s)
 

application/server/configuration_test.go

@@ -171,6 +171,8 @@ func Test_UpdateSettings(t *testing.T) {
 
 		tempDir1 := filepath.Join(t.TempDir(), "tempDir1")
 		tempDir2 := filepath.Join(t.TempDir(), "tempDir2")
+		nonDefaultSeverityFilter := types.NewSeverityFilter(false, true, false, true)
+		nonDefaultIssueViewOptions := types.NewIssueViewOptions(false, true)
 		hoverVerbosity := 1
 		outputFormat := "html"
 		settings := types.Settings{
@@ -187,8 +189,8 @@ func Test_UpdateSettings(t *testing.T) {
 			ManageBinariesAutomatically:  "false",
 			CliPath:                      filepath.Join(t.TempDir(), "cli"),
 			Token:                        "a fancy token",
-			FilterSeverity:               types.DefaultSeverityFilter(),
-			IssueViewOptions:             types.DefaultIssueViewOptions(),
+			FilterSeverity:               &nonDefaultSeverityFilter,
+			IssueViewOptions:             &nonDefaultIssueViewOptions,
 			TrustedFolders:               []string{"trustedPath1", "trustedPath2"},
 			OsPlatform:                   "windows",
 			OsArch:                       "amd64",
@@ -234,8 +236,8 @@ func Test_UpdateSettings(t *testing.T) {
 		assert.Equal(t, expectedOrgId, c.Organization())
 		assert.False(t, c.ManageBinariesAutomatically())
 		assert.Equal(t, settings.CliPath, c.CliSettings().Path())
-		assert.Equal(t, types.DefaultSeverityFilter(), c.FilterSeverity())
-		assert.Equal(t, types.DefaultIssueViewOptions(), c.IssueViewOptions())
+		assert.Equal(t, nonDefaultSeverityFilter, c.FilterSeverity())
+		assert.Equal(t, nonDefaultIssueViewOptions, c.IssueViewOptions())
 		assert.Subset(t, []types.FilePath{"trustedPath1", "trustedPath2"}, c.TrustedFolders())
 		assert.Equal(t, settings.OsPlatform, c.OsPlatform())
 		assert.Equal(t, settings.OsArch, c.OsArch())
@@ -405,18 +407,46 @@ func Test_UpdateSettings(t *testing.T) {
 		c := testutil.UnitTest(t)
 		t.Run("filtering gets passed", func(t *testing.T) {
 			mixedSeverityFilter := types.NewSeverityFilter(true, false, true, false)
-			UpdateSettings(c, types.Settings{FilterSeverity: mixedSeverityFilter})
+			UpdateSettings(c, types.Settings{FilterSeverity: &mixedSeverityFilter})
 
 			assert.Equal(t, mixedSeverityFilter, c.FilterSeverity())
 		})
+		t.Run("equivalent of the \"empty\" struct as a filter gets passed", func(t *testing.T) {
+			emptyLikeSeverityFilter := types.NewSeverityFilter(false, false, false, false)
+			UpdateSettings(c, types.Settings{FilterSeverity: &emptyLikeSeverityFilter})
+
+			assert.Equal(t, emptyLikeSeverityFilter, c.FilterSeverity())
+		})
+		t.Run("omitting filter does not cause an update", func(t *testing.T) {
+			mixedSeverityFilter := types.NewSeverityFilter(false, false, true, false)
+			UpdateSettings(c, types.Settings{FilterSeverity: &mixedSeverityFilter})
+			assert.Equal(t, mixedSeverityFilter, c.FilterSeverity())
+
+			UpdateSettings(c, types.Settings{})
+			assert.Equal(t, mixedSeverityFilter, c.FilterSeverity())
+		})
 	})
 
 	t.Run("issue view options", func(t *testing.T) {
 		c := testutil.UnitTest(t)
 		t.Run("filtering gets passed", func(t *testing.T) {
 			mixedIssueViewOptions := types.NewIssueViewOptions(false, true)
-			UpdateSettings(c, types.Settings{IssueViewOptions: mixedIssueViewOptions})
+			UpdateSettings(c, types.Settings{IssueViewOptions: &mixedIssueViewOptions})
+
+			assert.Equal(t, mixedIssueViewOptions, c.IssueViewOptions())
+		})
+		t.Run("equivalent of the \"empty\" struct as a filter gets passed", func(t *testing.T) {
+			emptyLikeIssueViewOptions := types.NewIssueViewOptions(false, false)
+			UpdateSettings(c, types.Settings{IssueViewOptions: &emptyLikeIssueViewOptions})
+
+			assert.Equal(t, emptyLikeIssueViewOptions, c.IssueViewOptions())
+		})
+		t.Run("omitting filter does not cause an update", func(t *testing.T) {
+			mixedIssueViewOptions := types.NewIssueViewOptions(false, false)
+			UpdateSettings(c, types.Settings{IssueViewOptions: &mixedIssueViewOptions})
+			assert.Equal(t, mixedIssueViewOptions, c.IssueViewOptions())
 
+			UpdateSettings(c, types.Settings{})
 			assert.Equal(t, mixedIssueViewOptions, c.IssueViewOptions())
 		})
 	})

application/server/parallelization_test.go

@@ -24,6 +24,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/snyk/snyk-ls/internal/util"
+
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
@@ -80,8 +82,8 @@ func Test_Concurrent_CLI_Runs(t *testing.T) {
 			Endpoint:                    os.Getenv("SNYK_API"),
 			Token:                       os.Getenv("SNYK_TOKEN"),
 			EnableTrustedFoldersFeature: "false",
-			FilterSeverity:              types.DefaultSeverityFilter(),
-			IssueViewOptions:            types.DefaultIssueViewOptions(),
+			FilterSeverity:              util.PtrOf(types.DefaultSeverityFilter()),
+			IssueViewOptions:            util.PtrOf(types.DefaultIssueViewOptions()),
 			AuthenticationMethod:        types.TokenAuthentication,
 			AutomaticAuthentication:     "false",
 			ManageBinariesAutomatically: "true",

application/server/server_smoke_test.go

@@ -27,6 +27,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/snyk/snyk-ls/internal/util"
+
 	"github.com/creachadair/jrpc2"
 	"github.com/creachadair/jrpc2/server"
 	"github.com/go-git/go-git/v5"
@@ -776,8 +778,8 @@ func prepareInitParams(t *testing.T, cloneTargetDir types.FilePath, c *config.Co
 			Endpoint:                    os.Getenv("SNYK_API"),
 			Token:                       os.Getenv("SNYK_TOKEN"),
 			EnableTrustedFoldersFeature: "false",
-			FilterSeverity:              types.DefaultSeverityFilter(),
-			IssueViewOptions:            types.DefaultIssueViewOptions(),
+			FilterSeverity:              util.PtrOf(types.DefaultSeverityFilter()),
+			IssueViewOptions:            util.PtrOf(types.DefaultIssueViewOptions()),
 			AuthenticationMethod:        types.TokenAuthentication,
 			EnableDeltaFindings:         strconv.FormatBool(c.IsDeltaFindingsEnabled()),
 			ActivateSnykCode:            strconv.FormatBool(c.IsSnykCodeEnabled()),
@@ -850,8 +852,8 @@ func Test_SmokeSnykCodeFileScan(t *testing.T) {
 			Endpoint:                    os.Getenv("SNYK_API"),
 			Token:                       os.Getenv("SNYK_TOKEN"),
 			EnableTrustedFoldersFeature: "false",
-			FilterSeverity:              types.DefaultSeverityFilter(),
-			IssueViewOptions:            types.DefaultIssueViewOptions(),
+			FilterSeverity:              util.PtrOf(types.DefaultSeverityFilter()),
+			IssueViewOptions:            util.PtrOf(types.DefaultIssueViewOptions()),
 		},
 	}
 

application/server/server_test.go

@@ -26,6 +26,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/snyk/snyk-ls/internal/util"
+
 	"github.com/snyk/snyk-ls/domain/snyk"
 	"github.com/snyk/snyk-ls/domain/snyk/scanner"
 	"github.com/snyk/snyk-ls/internal/storedconfig"
@@ -406,8 +408,8 @@ func Test_TextDocumentCodeLenses_shouldReturnCodeLenses(t *testing.T) {
 			Token:                       "xxx",
 			ManageBinariesAutomatically: "true",
 			CliPath:                     filepath.Join(t.TempDir(), "cli"),
-			FilterSeverity:              types.DefaultSeverityFilter(),
-			IssueViewOptions:            types.DefaultIssueViewOptions(),
+			FilterSeverity:              util.PtrOf(types.DefaultSeverityFilter()),
+			IssueViewOptions:            util.PtrOf(types.DefaultIssueViewOptions()),
 			EnableTrustedFoldersFeature: "false",
 		},
 	}
@@ -469,8 +471,8 @@ func Test_TextDocumentCodeLenses_dirtyFileShouldFilterCodeLenses(t *testing.T) {
 			Token:                       "xxx",
 			ManageBinariesAutomatically: "true",
 			CliPath:                     filepath.Join(t.TempDir(), "cli"),
-			FilterSeverity:              types.DefaultSeverityFilter(),
-			IssueViewOptions:            types.DefaultIssueViewOptions(),
+			FilterSeverity:              util.PtrOf(types.DefaultSeverityFilter()),
+			IssueViewOptions:            util.PtrOf(types.DefaultIssueViewOptions()),
 			EnableTrustedFoldersFeature: "false",
 		},
 	}
@@ -525,8 +527,8 @@ func Test_initialize_updatesSettings(t *testing.T) {
 		InitializationOptions: types.Settings{
 			Organization:     expectedOrgId,
 			Token:            "xxx",
-			FilterSeverity:   types.DefaultSeverityFilter(),
-			IssueViewOptions: types.DefaultIssueViewOptions(),
+			FilterSeverity:   util.PtrOf(types.DefaultSeverityFilter()),
+			IssueViewOptions: util.PtrOf(types.DefaultIssueViewOptions()),
 		},
 	}
 

domain/ide/workspace/folder_test.go

@@ -201,7 +201,7 @@ func TestProcessResults_whenFilteringSeverity_ProcessesOnlyFilteredIssues(t *tes
 	c := testutil.UnitTest(t)
 
 	severityFilter := types.NewSeverityFilter(true, false, true, false)
-	config.CurrentConfig().SetSeverityFilter(severityFilter)
+	config.CurrentConfig().SetSeverityFilter(&severityFilter)
 
 	f := NewMockFolder(c, notification.NewNotifier())
 
@@ -251,7 +251,7 @@ func TestProcessResults_whenFilteringIssueViewOptions_ProcessesOnlyFilteredIssue
 	c := testutil.UnitTest(t)
 
 	issueViewOptions := types.NewIssueViewOptions(false, true)
-	config.CurrentConfig().SetIssueViewOptions(issueViewOptions)
+	config.CurrentConfig().SetIssueViewOptions(&issueViewOptions)
 
 	f := NewMockFolder(c, notification.NewNotifier())
 
@@ -435,7 +435,7 @@ func Test_FilterCachedDiagnostics_filtersDisabledSeverity(t *testing.T) {
 	f := NewFolder(c, folderPath, "Test", scannerRecorder, hover.NewFakeHoverService(), scanner.NewMockScanNotifier(), notification.NewMockNotifier(), persistence.NewNopScanPersister(), scanstates.NewNoopStateAggregator())
 	ctx := context.Background()
 
-	c.SetSeverityFilter(types.NewSeverityFilter(true, true, false, false))
+	c.SetSeverityFilter(util.PtrOf(types.NewSeverityFilter(true, true, false, false)))
 
 	// act
 	f.ScanFile(ctx, filePath)
@@ -489,8 +489,8 @@ func Test_FilterCachedDiagnostics_filtersIgnoredIssues(t *testing.T) {
 	f := NewFolder(c, folderPath, "Test", scannerRecorder, hover.NewFakeHoverService(), scanner.NewMockScanNotifier(), notification.NewMockNotifier(), persistence.NewNopScanPersister(), scanstates.NewNoopStateAggregator())
 	ctx := context.Background()
 
-	c.SetSeverityFilter(types.NewSeverityFilter(true, true, false, false))
-	c.SetIssueViewOptions(types.NewIssueViewOptions(true, false))
+	c.SetSeverityFilter(util.PtrOf(types.NewSeverityFilter(true, true, false, false)))
+	c.SetIssueViewOptions(util.PtrOf(types.NewIssueViewOptions(true, false)))
 
 	// act
 	f.ScanFile(ctx, filePath)

internal/testutil/test_setup.go

@@ -22,6 +22,8 @@ import (
 	"path/filepath"
 	"testing"
 
+	"github.com/snyk/snyk-ls/internal/util"
+
 	"github.com/snyk/go-application-framework/pkg/configuration"
 	"github.com/snyk/go-application-framework/pkg/mocks"
 	"github.com/stretchr/testify/require"
@@ -124,7 +126,7 @@ func prepareTestHelper(t *testing.T, envVar string, useConsistentIgnores bool) *
 	c.SetAuthenticationMethod(types.TokenAuthentication)
 	c.SetErrorReportingEnabled(false)
 	c.SetTrustedFolderFeatureEnabled(false)
-	c.SetIssueViewOptions(types.IssueViewOptions{OpenIssues: true, IgnoredIssues: true})
+	c.SetIssueViewOptions(util.PtrOf(types.NewIssueViewOptions(true, true)))
 	setMCPServerURL(t, c)
 	redirectConfigAndDataHome(t, c)
 

internal/types/lsp.go

@@ -581,8 +581,8 @@ type Settings struct {
 	IntegrationVersion               string               `json:"integrationVersion,omitempty"`
 	AutomaticAuthentication          string               `json:"automaticAuthentication,omitempty"`
 	DeviceId                         string               `json:"deviceId,omitempty"`
-	FilterSeverity                   SeverityFilter       `json:"filterSeverity,omitempty"`
-	IssueViewOptions                 IssueViewOptions     `json:"issueViewOptions,omitempty"`
+	FilterSeverity                   *SeverityFilter      `json:"filterSeverity,omitempty"`
+	IssueViewOptions                 *IssueViewOptions    `json:"issueViewOptions,omitempty"`
 	SendErrorReports                 string               `json:"sendErrorReports,omitempty"`
 	ManageBinariesAutomatically      string               `json:"manageBinariesAutomatically,omitempty"`
 	EnableTrustedFoldersFeature      string               `json:"enableTrustedFoldersFeature,omitempty"`

internal/util/ptr_of.go

@@ -0,0 +1,26 @@
+/*
+ * © 2025 Snyk Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package util
+
+// PtrOf creates a pointer on the heap for the value provided.
+// Because in Go you can't do something like `takesPtr(&(returnsStruct()))`.
+// So instead do `takesPtr(PtrOf(returnsStruct()))`.
+func PtrOf[T any](value T) *T {
+	pointerToValue := new(T) // Heap may be safer than `&value`
+	*pointerToValue = value
+	return pointerToValue
+}