-
-
Save killa-kyle/f7e199f4d1063bb418f397d1d7b19c9e to your computer and use it in GitHub Desktop.
Basic Javascript PubSub Pattern
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
//events - a super-basic Javascript (publish subscribe) pattern | |
var events = { | |
events: {}, | |
on: function (eventName, fn) { | |
this.events[eventName] = this.events[eventName] || []; | |
this.events[eventName].push(fn); | |
}, | |
off: function(eventName, fn) { | |
if (this.events[eventName]) { | |
for (var i = 0; i < this.events[eventName].length; i++) { | |
if (this.events[eventName][i] === fn) { | |
this.events[eventName].splice(i, 1); | |
break; | |
} | |
}; | |
} | |
}, | |
emit: function (eventName, data) { | |
if (this.events[eventName]) { | |
this.events[eventName].forEach(function(fn) { | |
fn(data); | |
}); | |
} | |
} | |
}; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment