Subscription event function called twice

[govindharaju1342]

Code
const subscribeDB = mongosubs.subscribe('collectionname', {}, 'key')
subscribeDB.on('update', function(rec) {
console.log(rec) // twice logging
})

Subscription event function called twice

[VigneshPeriasami]

This library is not being maintained from my view this library looks too outdated. And it never made it to a stable release.