up: update readme and examples, default recommend use yaml.v3

README.md

@@ -76,15 +76,15 @@ package main
 
 import (
     "github.com/gookit/config/v2"
-    "github.com/gookit/config/v2/yaml"
+    "github.com/gookit/config/v2/yamlv3"
 )
 
 // go run ./examples/yaml.go
 func main() {
 	config.WithOptions(config.ParseEnv)
 
 	// add driver for support yaml content
-	config.AddDriver(yaml.Driver)
+	config.AddDriver(yamlv3.Driver)
 
 	err := config.LoadFiles("testdata/yml_base.yml")
 	if err != nil {

README.zh-CN.md

@@ -75,7 +75,7 @@ package main
 
 import (
     "github.com/gookit/config/v2"
-    "github.com/gookit/config/v2/yaml"
+    "github.com/gookit/config/v2/yamlv3"
 )
 
 // go run ./examples/yaml.go
@@ -84,7 +84,7 @@ func main() {
 	config.WithOptions(config.ParseEnv)
 
 	// 添加驱动程序以支持yaml内容解析（除了JSON是默认支持，其他的则是按需使用）
-	config.AddDriver(yaml.Driver)
+	config.AddDriver(yamlv3.Driver)
 
 	// 加载配置，可以同时传入多个文件
 	err := config.LoadFiles("testdata/yml_base.yml")

_examples/yaml.go

@@ -4,17 +4,17 @@ import (
 	"fmt"
 
 	"github.com/gookit/config/v2"
-	"github.com/gookit/config/v2/yaml"
+	"github.com/gookit/config/v2/yamlv3"
 )
 
 // go run ./examples/yaml.go
 func main() {
 	config.WithOptions(config.ParseEnv)
 
 	// only add decoder
-	// config.SetDecoder(config.Yaml, yaml.Decoder)
+	// config.SetDecoder(config.Yaml, yamlv3.Decoder)
 	// Or
-	config.AddDriver(yaml.Driver)
+	config.AddDriver(yamlv3.Driver)
 
 	err := config.LoadFiles("testdata/yml_base.yml")
 	if err != nil {

config_test.go

@@ -34,15 +34,12 @@ var jsonStr = `{
 func Example() {
 	// WithOptions(ParseEnv)
 
-	// add Decoder and Encoder
-	// use yaml github.com/gookit/config/yaml
-	// AddDriver(Yaml, yaml.Driver)
+	// use yaml github.com/gookit/config/yamlv3
+	// AddDriver(Yaml, yamlv3.Driver)
 	// use toml github.com/gookit/config/toml
 	// AddDriver(Toml, toml.Driver)
 	// use toml github.com/gookit/config/hcl
 	// AddDriver(Hcl, hcl.Driver)
-	// Or
-	// config.DecoderEncoder(config.JSON, yaml.Decoder, yaml.Encoder)
 
 	err := LoadFiles("testdata/json_base.json")
 	if err != nil {

dotnev/dotenv.go

@@ -7,23 +7,6 @@ import (
 	"github.com/gookit/ini/v2/dotenv"
 )
 
-var (
-	// UpperEnvKey change key to upper on set ENV
-	UpperEnvKey = true
-
-	// DefaultName default file name
-	DefaultName = ".env"
-
-	// OnlyLoadExists load on file exists
-	OnlyLoadExists bool
-
-	// save original Env data
-	// originalEnv []string
-
-	// cache all loaded ENV data
-	// loadedData = map[string]string{}
-)
-
 // LoadedData get all loaded data by dontenv
 // Deprecated: please use github.com/gookit/ini/v2/dotenv
 func LoadedData() map[string]string {
@@ -45,7 +28,9 @@ func DontUpperEnvKey() {
 // Load parse .env file data to os ENV.
 //
 // Usage:
-// 	dotenv.Load("./", ".env")
+//
+//	dotenv.Load("./", ".env")
+//
 // Deprecated: please use github.com/gookit/ini/v2/dotenv
 func Load(dir string, filenames ...string) (err error) {
 	return dotenv.Load(dir, filenames...)

dotnev/dotenv_test.go

@@ -88,27 +88,3 @@ func TestLoadFromMap(t *testing.T) {
 	})
 	assert.Error(t, err)
 }
-
-func TestDontUpperEnvKey(t *testing.T) {
-	assert.Equal(t, "", os.Getenv("DONT_ENV_TEST"))
-
-	DontUpperEnvKey()
-
-	err := LoadFromMap(map[string]string{
-		"dont_env_test": "val",
-	})
-
-	assert.Contains(t, fmt.Sprint(os.Environ()), "dont_env_test=val")
-	assert.NoError(t, err)
-	assert.Equal(t, "val", Get("dont_env_test"))
-
-	// on windows, os.Getenv() not case sensitive
-	if runtime.GOOS == "windows" {
-		assert.Equal(t, "val", Get("DONT_ENV_TEST"))
-	} else {
-		assert.Equal(t, "", Get("DONT_ENV_TEST"))
-	}
-
-	UpperEnvKey = true // revert
-	ClearLoaded()
-}

yaml/yaml.go

@@ -2,7 +2,6 @@
 Package yaml is a driver use YAML format content as config source
 
 Usage please see example:
-
 */
 package yaml
 
@@ -19,4 +18,5 @@ var Decoder config.Decoder = yaml.Unmarshal
 var Encoder config.Encoder = yaml.Marshal
 
 // Driver for yaml
+// TIP: recommended use the yamlv3.Driver
 var Driver = config.NewDriver(config.Yaml, Decoder, Encoder)