- fixes a bug where new lines in string value would produce invalid JSON

CHANGELOG.md

@@ -11,6 +11,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+## [0.5.3] - 2022-06-09
+
+### Changed
+
+- Fixed a bug where new lines in string values would not be escaped generating invalid JSON.
+
 ## [0.5.2] - 2022-06-07
 
 ### Changed

json_serialization_writer.go

@@ -27,7 +27,7 @@ func (w *JsonSerializationWriter) writeRawValue(value string) {
 	w.writer = append(w.writer, value)
 }
 func (w *JsonSerializationWriter) writeStringValue(value string) {
-	value = strings.ReplaceAll(value, "\"", "\\\"")
+	value = strings.ReplaceAll(strings.ReplaceAll(value, "\"", "\\\""), "\n", "\\n")
 	w.writeRawValue("\"" + value + "\"")
 }
 func (w *JsonSerializationWriter) writePropertyName(key string) {

json_serialization_writer_test.go

@@ -184,3 +184,12 @@ func TestWriteInvalidAdditionalData(t *testing.T) {
 	expErr := fmt.Sprintf("unsupported AdditionalData type: %T", value)
 	assert.EqualErrorf(t, err, expErr, "Error should be: %v, got: %v", expErr, err)
 }
+
+func TestEscapesNewLinesInStrings(t *testing.T) {
+	serializer := NewJsonSerializationWriter()
+	value := "value\nwith\nnew\nlines"
+	serializer.WriteStringValue("key", &value)
+	result, err := serializer.GetSerializedContent()
+	assert.Nil(t, err)
+	assert.Equal(t, "\"key\":\"value\\nwith\\nnew\\nlines\"", string(result[:]))
+}