in-line-logger.js

in-line-logger.js

// middleware to set up the logger for the connection
var middleware = {
  name: 'in-line-logger',
  global: true,
  priority: 1,
  preProcessor: function(data, next){
    data.log = function(s){
      // create a connection ID
      if(!data.connectionId){ data.connectionId = uuid.v4(); } 
      // set up the extra data you want to log
      var logData = { params: {}};
      for(var key in data.params){ logData.params[key] = data.params[key]; }
      logData.ip = data.connection.ip;
      logData.sessionId = data.session.id; //or however you load this normally
      api.log(s, 'info', logData);
    }
  }
}

api.actions.addMiddleware(middleware);

// then, in your actions...
data.log('I am in step 1');
data.log('I am in step 2');