package ws

import (
	"encoding/json"
	"errors"
	"gopkg.in/olahol/melody.v1"
)

func WriteJsonWithSession(s *melody.Session, body interface{}) error {
	if s == nil {
		return errors.New("session is nil")
	}
	bs, err := json.Marshal(body)
	if err != nil {
		return err
	}
	return s.Write(bs)
}