feat: 重构配置层，添加 json 支持

internal/config/reader.go

@@ -0,0 +1,45 @@
+package config
+
+import (
+	"encoding/json"
+	log "github.com/sirupsen/logrus"
+	"gopkg.in/yaml.v3"
+	"path"
+)
+
+func newReaderFromPath(pathname string) Reader {
+	switch path.Ext(pathname) {
+	case ".json":
+		return Json{}
+	case ".yaml":
+		return Yaml{}
+	default:
+		log.Warnf("未知配置类型，使用 yaml 进行解析")
+		return Yaml{}
+	}
+}
+
+type Reader interface {
+	Marshal(v any) ([]byte, error)
+	Unmarshal(data []byte, v any) error
+}
+
+type Json struct {
+}
+
+func (Json) Marshal(v any) ([]byte, error) {
+	return json.MarshalIndent(v, "", " ")
+}
+func (Json) Unmarshal(data []byte, v any) error {
+	return json.Unmarshal(data, v)
+}
+
+type Yaml struct {
+}
+
+func (Yaml) Marshal(v any) ([]byte, error) {
+	return yaml.Marshal(v)
+}
+func (Yaml) Unmarshal(data []byte, v any) error {
+	return yaml.Unmarshal(data, v)
+}