init: 1.0.0

pkg/jsonx/json.go

@@ -0,0 +1,65 @@
+package jsonx
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"strings"
+)
+
+// Marshal marshals v into json bytes.
+func Marshal(v any) ([]byte, error) {
+	return json.Marshal(v)
+}
+
+// MarshalToString marshals v into a string.
+func MarshalToString(v any) (string, error) {
+	data, err := Marshal(v)
+	if err != nil {
+		return "", err
+	}
+
+	return string(data), nil
+}
+
+// Unmarshal unmarshals data bytes into v.
+func Unmarshal(data []byte, v any) error {
+	decoder := json.NewDecoder(bytes.NewReader(data))
+	if err := unmarshalUseNumber(decoder, v); err != nil {
+		return formatError(string(data), err)
+	}
+
+	return nil
+}
+
+// UnmarshalFromString unmarshals v from str.
+func UnmarshalFromString(str string, v any) error {
+	decoder := json.NewDecoder(strings.NewReader(str))
+	if err := unmarshalUseNumber(decoder, v); err != nil {
+		return formatError(str, err)
+	}
+
+	return nil
+}
+
+// UnmarshalFromReader unmarshals v from reader.
+func UnmarshalFromReader(reader io.Reader, v any) error {
+	var buf strings.Builder
+	teeReader := io.TeeReader(reader, &buf)
+	decoder := json.NewDecoder(teeReader)
+	if err := unmarshalUseNumber(decoder, v); err != nil {
+		return formatError(buf.String(), err)
+	}
+
+	return nil
+}
+
+func unmarshalUseNumber(decoder *json.Decoder, v any) error {
+	decoder.UseNumber()
+	return decoder.Decode(v)
+}
+
+func formatError(v string, err error) error {
+	return fmt.Errorf("string: `%s`, error: `%w`", v, err)
+}

pkg/jsonx/json_test.go

@@ -0,0 +1,23 @@
+package jsonx
+
+import "testing"
+
+type User struct {
+	Id   int64
+	Name string
+	Age  int64
+}
+
+func TestJson(t *testing.T) {
+	t.Log("TestJson")
+	user := &User{
+		Id:   1,
+		Name: "test",
+		Age:  18,
+	}
+	b, err := Marshal(user)
+	if err != nil {
+		t.Error(err)
+	}
+	t.Log(string(b))
+}