replaces UUIs with symbols

build/light-event-bus.js

@@ -4,34 +4,27 @@
 	(global = global || self, factory(global.EVENT_BUS = {}));
 }(this, function (exports) { 'use strict';
 
-	/**
-	 * Source: https://gist.github.com/jed/982883
-	*/
-
-	/* eslint-disable */
-	function b(a) {
-	  return a ? (a ^ Math.random() * 16 >> a / 4).toString(16) : ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, b);
-	}
-	/* eslint-enable */
-
 	function EventBus() {
 	  var subscriptions = {};
 
 	  this.subscribe = function subscribeCallbackToEvent(eventType, callback) {
-	    var id = b();
+	    var id = Symbol('id');
 	    if (!subscriptions[eventType]) subscriptions[eventType] = {};
 	    subscriptions[eventType][id] = callback;
 	    return {
-	      unsubscribe: function unsub() {
+	      unsubscribe: function unsubscribe() {
 	        delete subscriptions[eventType][id];
-	        if (Object.keys(subscriptions[eventType]).length === 0) delete subscriptions[eventType];
+
+	        if (Object.getOwnPropertySymbols(subscriptions[eventType]).length === 0) {
+	          delete subscriptions[eventType];
+	        }
 	      }
 	    };
 	  };
 
 	  this.publish = function publishEventWithArgs(eventType, arg) {
 	    if (!subscriptions[eventType]) return;
-	    Object.keys(subscriptions[eventType]).forEach(function (key) {
+	    Object.getOwnPropertySymbols(subscriptions[eventType]).forEach(function (key) {
 	      return subscriptions[eventType][key](arg);
 	    });
 	  };

package.json

@@ -1,6 +1,6 @@
 {
   "name": "light-event-bus",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Lightweight event bus for node and the browser.",
   "main": "build/light-event-bus.min.js",
   "scripts": {

src/EventBus.js

@@ -1,24 +1,25 @@
-import uuidv4 from './UuidGenerator';
-
 function EventBus() {
   const subscriptions = { };
 
   this.subscribe = function subscribeCallbackToEvent(eventType, callback) {
-    const id = uuidv4();
+    const id = Symbol('id');
     if (!subscriptions[eventType]) subscriptions[eventType] = { };
     subscriptions[eventType][id] = callback;
     return {
-      unsubscribe: function unsub() {
+      unsubscribe: function unsubscribe() {
         delete subscriptions[eventType][id];
-        if (Object.keys(subscriptions[eventType]).length === 0) delete subscriptions[eventType];
+        if (Object.getOwnPropertySymbols(subscriptions[eventType]).length === 0) {
+          delete subscriptions[eventType];
+        }
       },
     };
   };
 
   this.publish = function publishEventWithArgs(eventType, arg) {
     if (!subscriptions[eventType]) return;
 
-    Object.keys(subscriptions[eventType]).forEach(key => subscriptions[eventType][key](arg));
+    Object.getOwnPropertySymbols(subscriptions[eventType])
+      .forEach(key => subscriptions[eventType][key](arg));
   };
 }