Socket.io Appender for log4js-node

Plugin for log4js > 2.x
``bash
npm install log4js-socket.io
`

Configuration

* type - log4js-socket.io
* name - string (optional, defaults to log4js)
* env - string (optional, defaults to dev)
* event - string (optional, defaults to log4js)
* layout - object (optional, defaults to messagePassThroughLayout) - the layout to use for log events (see layouts).

The appender will use the Redis PUBLISH command to send the log event messages to the channel.

Example

`javascript
log4js.configure({
appenders: {
io: { type: 'log4js-socket.io',url:'ws://io.net',name:'crm',env:'dev' }
},
categories: { default: { appenders: ['io'], level: 'info' } }
});
``