refactor: replace string slice search with slices package

Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>

remote.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"reflect"
+	"slices"
 )
 
 // SupportedRemoteProviders are universally supported remote providers.
@@ -93,7 +94,7 @@ func AddRemoteProvider(provider, endpoint, path string) error {
 }
 
 func (v *Viper) AddRemoteProvider(provider, endpoint, path string) error {
-	if !stringInSlice(provider, SupportedRemoteProviders) {
+	if !slices.Contains(SupportedRemoteProviders, provider) {
 		return UnsupportedRemoteProviderError(provider)
 	}
 	if provider != "" && endpoint != "" {
@@ -126,7 +127,7 @@ func AddSecureRemoteProvider(provider, endpoint, path, secretkeyring string) err
 }
 
 func (v *Viper) AddSecureRemoteProvider(provider, endpoint, path, secretkeyring string) error {
-	if !stringInSlice(provider, SupportedRemoteProviders) {
+	if !slices.Contains(SupportedRemoteProviders, provider) {
 		return UnsupportedRemoteProviderError(provider)
 	}
 	if provider != "" && endpoint != "" {

util.go

@@ -128,15 +128,6 @@ func absPathify(logger *slog.Logger, inPath string) string {
 	return ""
 }
 
-func stringInSlice(a string, list []string) bool {
-	for _, b := range list {
-		if b == a {
-			return true
-		}
-	}
-	return false
-}
-
 func userHomeDir() string {
 	if runtime.GOOS == "windows" {
 		home := os.Getenv("HOMEDRIVE") + os.Getenv("HOMEPATH")

viper.go

@@ -29,6 +29,7 @@ import (
 	"os"
 	"path/filepath"
 	"reflect"
+	"slices"
 	"strconv"
 	"strings"
 	"sync"
@@ -460,7 +461,7 @@ func (v *Viper) AddConfigPath(in string) {
 		absin := absPathify(v.logger, in)
 
 		v.logger.Info("adding path to search paths", "path", absin)
-		if !stringInSlice(absin, v.configPaths) {
+		if !slices.Contains(v.configPaths, absin) {
 			v.configPaths = append(v.configPaths, absin)
 		}
 	}
@@ -1478,7 +1479,7 @@ func (v *Viper) ReadInConfig() error {
 		return err
 	}
 
-	if !stringInSlice(v.getConfigType(), SupportedExts) {
+	if !slices.Contains(SupportedExts, v.getConfigType()) {
 		return UnsupportedConfigError(v.getConfigType())
 	}
 
@@ -1509,7 +1510,7 @@ func (v *Viper) MergeInConfig() error {
 		return err
 	}
 
-	if !stringInSlice(v.getConfigType(), SupportedExts) {
+	if !slices.Contains(SupportedExts, v.getConfigType()) {
 		return UnsupportedConfigError(v.getConfigType())
 	}
 
@@ -1616,7 +1617,7 @@ func (v *Viper) writeConfig(filename string, force bool) error {
 		return fmt.Errorf("config type could not be determined for %s", filename)
 	}
 
-	if !stringInSlice(configType, SupportedExts) {
+	if !slices.Contains(SupportedExts, configType) {
 		return UnsupportedConfigError(configType)
 	}
 	if v.config == nil {
@@ -1645,7 +1646,7 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]any) error {
 
 	format := strings.ToLower(v.getConfigType())
 
-	if !stringInSlice(format, SupportedExts) {
+	if !slices.Contains(SupportedExts, format) {
 		return UnsupportedConfigError(format)
 	}