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var EventEmitter = require('events').EventEmitter
var elistener = require('elistener')
var cat = new EventEmitter()
function Owner () {}
elistener.install(Owner.prototype) // or just elistener(Owner.prototype)
var owner = new Owner()
owner.listenTo(cat, 'meow', feed)
cat.emit('meow')
cat.emit('meow')
cat.emit('meow')
cat.emit('meow')
cat.emit('meow')
cat.emit('meow')
// should print:
// fed cat
// petted cat
// sold cat
function feed () {
console.log('fed cat')
owner.stopListening(cat, 'meow', feed) // remove handler
owner.listenTo(cat, 'meow', pet)
}
function pet () {
console.log('petted cat')
owner.stopListening(cat, 'meow') // remove all handlers for event
owner.listenTo(cat, 'meow', sell)
}
function sell () {
console.log('sold cat')
owner.stopListening(cat) // remove all handlers
}
FAQs
listenTo/stopListening to an EventEmitter for easy cleanup
The npm package elistener receives a total of 2 weekly downloads. As such, elistener popularity was classified as not popular.
We found that elistener demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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