重构前

reference/new-api/common/json.go

@@ -0,0 +1,69 @@
+package common
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+)
+
+func Unmarshal(data []byte, v any) error {
+	return json.Unmarshal(data, v)
+}
+
+func UnmarshalJsonStr(data string, v any) error {
+	return json.Unmarshal(StringToByteSlice(data), v)
+}
+
+func DecodeJson(reader io.Reader, v any) error {
+	return json.NewDecoder(reader).Decode(v)
+}
+
+func Marshal(v any) ([]byte, error) {
+	return json.Marshal(v)
+}
+
+func IndentJson(data []byte) ([]byte, error) {
+	var buffer bytes.Buffer
+	if err := json.Indent(&buffer, data, "", "  "); err != nil {
+		return nil, err
+	}
+	return buffer.Bytes(), nil
+}
+
+func GetJsonType(data json.RawMessage) string {
+	trimmed := bytes.TrimSpace(data)
+	if len(trimmed) == 0 {
+		return "unknown"
+	}
+	firstChar := trimmed[0]
+	switch firstChar {
+	case '{':
+		return "object"
+	case '[':
+		return "array"
+	case '"':
+		return "string"
+	case 't', 'f':
+		return "boolean"
+	case 'n':
+		return "null"
+	default:
+		return "number"
+	}
+}
+
+// JsonRawMessageToString returns JSON strings as their decoded value and other JSON values as raw text.
+func JsonRawMessageToString(data json.RawMessage) string {
+	trimmed := bytes.TrimSpace(data)
+	if len(trimmed) == 0 || bytes.Equal(trimmed, []byte("null")) {
+		return ""
+	}
+	if trimmed[0] != '"' {
+		return string(trimmed)
+	}
+	var value string
+	if err := Unmarshal(trimmed, &value); err != nil {
+		return string(trimmed)
+	}
+	return value
+}