chore(pkg): fix modernize linter

#### Description

fix modernize linter in pkg/chart/v2/lint/rules

Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>

pkg/action/install.go

@@ -252,7 +252,7 @@ func (i *Install) installCRDs(crds []chart.CRD) error {
 //
 // If DryRun is set to true, this will prepare the release, but not install it
 
-func (i *Install) Run(chrt ci.Charter, vals map[string]interface{}) (ri.Releaser, error) {
+func (i *Install) Run(chrt ci.Charter, vals map[string]any) (ri.Releaser, error) {
 	ctx := context.Background()
 	return i.RunWithContext(ctx, chrt, vals)
 }
@@ -261,7 +261,7 @@ func (i *Install) Run(chrt ci.Charter, vals map[string]interface{}) (ri.Releaser
 //
 // When the task is cancelled through ctx, the function returns and the install
 // proceeds in the background.
-func (i *Install) RunWithContext(ctx context.Context, ch ci.Charter, vals map[string]interface{}) (ri.Releaser, error) {
+func (i *Install) RunWithContext(ctx context.Context, ch ci.Charter, vals map[string]any) (ri.Releaser, error) {
 	var chrt *chart.Chart
 	switch c := ch.(type) {
 	case *chart.Chart:
@@ -638,7 +638,7 @@ func releaseV1ListToReleaserList(ls []*release.Release) ([]ri.Releaser, error) {
 }
 
 // createRelease creates a new release object
-func (i *Install) createRelease(chrt *chart.Chart, rawVals map[string]interface{}, labels map[string]string) *release.Release {
+func (i *Install) createRelease(chrt *chart.Chart, rawVals map[string]any, labels map[string]string) *release.Release {
 	ts := i.cfg.Now()
 
 	r := &release.Release{

pkg/chart/common/util/values.go

@@ -26,14 +26,14 @@ import (
 // ToRenderValues composes the struct from the data coming from the Releases, Charts and Values files
 //
 // This takes both ReleaseOptions and Capabilities to merge into the render values.
-func ToRenderValues(chrt chart.Charter, chrtVals map[string]interface{}, options common.ReleaseOptions, caps *common.Capabilities) (common.Values, error) {
+func ToRenderValues(chrt chart.Charter, chrtVals map[string]any, options common.ReleaseOptions, caps *common.Capabilities) (common.Values, error) {
 	return ToRenderValuesWithSchemaValidation(chrt, chrtVals, options, caps, false)
 }
 
 // ToRenderValuesWithSchemaValidation composes the struct from the data coming from the Releases, Charts and Values files
 //
 // This takes both ReleaseOptions and Capabilities to merge into the render values.
-func ToRenderValuesWithSchemaValidation(chrt chart.Charter, chrtVals map[string]interface{}, options common.ReleaseOptions, caps *common.Capabilities, skipSchemaValidation bool) (common.Values, error) {
+func ToRenderValuesWithSchemaValidation(chrt chart.Charter, chrtVals map[string]any, options common.ReleaseOptions, caps *common.Capabilities, skipSchemaValidation bool) (common.Values, error) {
 	if caps == nil {
 		caps = common.DefaultCapabilities
 	}
@@ -41,10 +41,10 @@ func ToRenderValuesWithSchemaValidation(chrt chart.Charter, chrtVals map[string]
 	if err != nil {
 		return nil, err
 	}
-	top := map[string]interface{}{
+	top := map[string]any{
 		"Chart":        accessor.MetadataAsMap(),
 		"Capabilities": caps,
-		"Release": map[string]interface{}{
+		"Release": map[string]any{
 			"Name":      options.Name,
 			"Namespace": options.Namespace,
 			"IsUpgrade": options.IsUpgrade,

pkg/chart/interfaces.go

@@ -19,21 +19,21 @@ import (
 	common "helm.sh/helm/v4/pkg/chart/common"
 )
 
-type Charter interface{}
+type Charter any
 
-type Dependency interface{}
+type Dependency any
 
 type Accessor interface {
 	Name() string
 	IsRoot() bool
-	MetadataAsMap() map[string]interface{}
+	MetadataAsMap() map[string]any
 	Files() []*common.File
 	Templates() []*common.File
 	ChartFullPath() string
 	IsLibraryChart() bool
 	Dependencies() []Charter
 	MetaDependencies() []Dependency
-	Values() map[string]interface{}
+	Values() map[string]any
 	Schema() []byte
 	Deprecated() bool
 }

pkg/chart/v2/lint/rules/chartfile.go

@@ -70,15 +70,15 @@ func Chartfile(linter *support.Linter) {
 	linter.RunLinterRule(support.WarningSev, chartFileName, validateChartVersionStrictSemVerV2(chartFile))
 }
 
-func validateChartVersionType(data map[string]interface{}) error {
+func validateChartVersionType(data map[string]any) error {
 	return isStringValue(data, "version")
 }
 
-func validateChartAppVersionType(data map[string]interface{}) error {
+func validateChartAppVersionType(data map[string]any) error {
 	return isStringValue(data, "appVersion")
 }
 
-func isStringValue(data map[string]interface{}, key string) error {
+func isStringValue(data map[string]any, key string) error {
 	value, ok := data[key]
 	if !ok {
 		return nil
@@ -225,12 +225,12 @@ func validateChartType(cf *chart.Metadata) error {
 // loadChartFileForTypeCheck loads the Chart.yaml
 // in a generic form of a map[string]interface{}, so that the type
 // of the values can be checked
-func loadChartFileForTypeCheck(filename string) (map[string]interface{}, error) {
+func loadChartFileForTypeCheck(filename string) (map[string]any, error) {
 	b, err := os.ReadFile(filename)
 	if err != nil {
 		return nil, err
 	}
-	y := make(map[string]interface{})
+	y := make(map[string]any)
 	err = yaml.Unmarshal(b, &y)
 	return y, err
 }

pkg/chart/v2/lint/rules/values.go

@@ -32,7 +32,7 @@ import (
 // they are only tested for well-formedness.
 //
 // If additional values are supplied, they are coalesced into the values in values.yaml.
-func ValuesWithOverrides(linter *support.Linter, valueOverrides map[string]interface{}, skipSchemaValidation bool) {
+func ValuesWithOverrides(linter *support.Linter, valueOverrides map[string]any, skipSchemaValidation bool) {
 	file := "values.yaml"
 	vf := filepath.Join(linter.ChartDir, file)
 	fileExists := linter.RunLinterRule(support.InfoSev, file, validateValuesFileExistence(vf))
@@ -52,7 +52,7 @@ func validateValuesFileExistence(valuesPath string) error {
 	return nil
 }
 
-func validateValuesFile(valuesPath string, overrides map[string]interface{}, skipSchemaValidation bool) error {
+func validateValuesFile(valuesPath string, overrides map[string]any, skipSchemaValidation bool) error {
 	values, err := common.ReadValuesFile(valuesPath)
 	if err != nil {
 		return fmt.Errorf("unable to parse YAML: %w", err)
@@ -63,7 +63,7 @@ func validateValuesFile(valuesPath string, overrides map[string]interface{}, ski
 	// We could change that. For now, though, we retain that strategy, and thus can
 	// coalesce tables (like reuse-values does) instead of doing the full chart
 	// CoalesceValues
-	coalescedValues := util.CoalesceTables(make(map[string]interface{}, len(overrides)), overrides)
+	coalescedValues := util.CoalesceTables(make(map[string]any, len(overrides)), overrides)
 	coalescedValues = util.CoalesceTables(coalescedValues, values)
 
 	ext := filepath.Ext(valuesPath)

pkg/cli/values/options.go

@@ -42,8 +42,8 @@ type Options struct {
 
 // MergeValues merges values from files specified via -f/--values and directly
 // via --set-json, --set, --set-string, or --set-file, marshaling them to YAML
-func (opts *Options) MergeValues(p getter.Providers) (map[string]interface{}, error) {
-	base := map[string]interface{}{}
+func (opts *Options) MergeValues(p getter.Providers) (map[string]any, error) {
+	base := map[string]any{}
 
 	// User specified a values files via -f/--values
 	for _, filePath := range opts.ValueFiles {
@@ -64,7 +64,7 @@ func (opts *Options) MergeValues(p getter.Providers) (map[string]interface{}, er
 		trimmedValue := strings.TrimSpace(value)
 		if len(trimmedValue) > 0 && trimmedValue[0] == '{' {
 			// If value is JSON object format, parse it as map
-			var jsonMap map[string]interface{}
+			var jsonMap map[string]any
 			if err := json.Unmarshal([]byte(trimmedValue), &jsonMap); err != nil {
 				return nil, fmt.Errorf("failed parsing --set-json data JSON: %s", value)
 			}
@@ -93,7 +93,7 @@ func (opts *Options) MergeValues(p getter.Providers) (map[string]interface{}, er
 
 	// User specified a value via --set-file
 	for _, value := range opts.FileValues {
-		reader := func(rs []rune) (interface{}, error) {
+		reader := func(rs []rune) (any, error) {
 			bytes, err := readFile(string(rs), p)
 			if err != nil {
 				return nil, err

pkg/repo/v1/chartrepo_test.go

@@ -126,24 +126,20 @@ func TestConcurrencyDownloadIndex(t *testing.T) {
 	// 2) read index.yaml via LoadIndexFile (read operation).
 	// This checks for race conditions and ensures correct behavior under concurrent read/write access.
 	for range 150 {
-		wg.Add(1)
 
-		go func() {
-			defer wg.Done()
+		wg.Go(func() {
 			idx, err := repo.DownloadIndexFile()
 			if err != nil {
 				t.Errorf("Failed to download index file to %s: %v", idx, err)
 			}
-		}()
+		})
 
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
+		wg.Go(func() {
 			_, err := LoadIndexFile(indexFName)
 			if err != nil {
 				t.Errorf("Failed to load index file: %v", err)
 			}
-		}()
+		})
 	}
 	wg.Wait()
 }