function forward(event, source, target) {
    source.on(event, target.emit.bind(target, event));
}
function forward(event, source, target) {
    source.on(event, target.emit.bind(target, event));
}
function forward ( event , source , target ) { source . on ( event , target . emit . bind ( target , event ) ) ; }
Forward events of the specified type from source emitter to target.
@param {string} event
@param {EventEmitter} source
@param {EventEmitter} target
Forward events of the specified type from source emitter to target .