package main import ( "encoding/json" "fmt" "strconv" yaml "gopkg.in/mikefarah/yaml.v2" ) func jsonToString(context interface{}) (string, error) { out, err := json.Marshal(toJSON(context)) if err != nil { return "", fmt.Errorf("error printing yaml as json: %v", err) } return string(out), nil } func toJSON(context interface{}) interface{} { switch context.(type) { case []interface{}: oldArray := context.([]interface{}) newArray := make([]interface{}, len(oldArray)) for index, value := range oldArray { newArray[index] = toJSON(value) } return newArray case yaml.MapSlice: oldMap := context.(yaml.MapSlice) newMap := make(map[string]interface{}) for _, entry := range oldMap { if str, ok := entry.Key.(string); ok { newMap[str] = toJSON(entry.Value) } else if i, ok := entry.Key.(int); ok { newMap[strconv.Itoa(i)] = toJSON(entry.Value) } else if b, ok := entry.Key.(bool); ok { newMap[strconv.FormatBool(b)] = toJSON(entry.Value) } } return newMap default: return context } }