in src/diagnostic-channel-publishers/src/bunyan.pub.ts [13:23]
originalBunyan.prototype._emit = function(rec, noemit) {
const ret = originalEmit.apply(this, arguments);
if (!noemit) {
let str = ret;
if (!str) {
str = originalEmit.call(this, rec, true);
}
channel.publish<IBunyanData>("bunyan", {level: rec.level, result: str});
}
return ret;
};