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a simple pub/sub class for node with support for scopes
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var scopedVenter = require("./Venter").get("my_scope"); | |
//trigger an event | |
scopedVenter.emit("something:happened", {"message": "hello"}); | |
//listen to event | |
scopedVenter.on("something:happened", function(data){ | |
console.log(data.message); | |
}); |
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/** | |
* | |
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
* | |
* SEE MY venter NPM PACKAGE - https://www.npmjs.org/package/venter | |
* OR REPOSITORY ON GITHUB - https://github.com/yoavniran/node-venter | |
* | |
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
*/ | |
var util = require("util"), | |
events = require("events"); | |
var Venter = function (scope) { | |
events.EventEmitter.call(this); | |
this.scope = scope; | |
}; | |
util.inherits(Venter, events.EventEmitter); //inherit Event Emitter methods | |
var VenterRegister = (function () { | |
var venters = {}; | |
return function (scope) { | |
var venter = venters[scope]; | |
if (venter) { | |
return venter; | |
} | |
venter = new Venter(scope); | |
venters[scope] = venter; | |
return venter; | |
}; | |
})(); | |
module.exports.create = Venter; //create a venter on its own | |
module.exports.get = VenterRegister; //get(create) a venter in a specific scope |
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