Convert chunkemitter to ES6 class (#2219)
Convert chunkemitter to ES6 class (#2219)


msimerson/Haraka,haraka/Haraka,smfreegard/Haraka,smfreegard/Haraka,haraka/Haraka,haraka/Haraka,smfreegard/Haraka,msimerson/Haraka,msimerson/Haraka,haraka/Haraka,msimerson/Haraka,smfreegard/Haraka