Replace custom EventEmitter with one from browserify

web/src/js/actions.js

@@ -117,6 +117,4 @@ module.exports = {
     ConnectionActions: ConnectionActions,
     FlowActions: FlowActions,
     StoreCmds: StoreCmds
-
-
 };

web/src/js/store/store.js

@@ -1,6 +1,7 @@
 
 var _ = require("lodash");
 var $ = require("jquery");
+var EventEmitter = require('events').EventEmitter;
 
 var utils = require("../utils.js");
 var actions = require("../actions.js");
@@ -8,10 +9,10 @@ var dispatcher = require("../dispatcher.js");
 
 
 function ListStore() {
-    utils.EventEmitter.call(this);
+    EventEmitter.call(this);
     this.reset();
 }
-_.extend(ListStore.prototype, utils.EventEmitter.prototype, {
+_.extend(ListStore.prototype, EventEmitter.prototype, {
     add: function (elem) {
         if (elem.id in this._pos_map) {
             return;
@@ -57,10 +58,10 @@ _.extend(ListStore.prototype, utils.EventEmitter.prototype, {
 
 
 function DictStore() {
-    utils.EventEmitter.call(this);
+    EventEmitter.call(this);
     this.reset();
 }
-_.extend(DictStore.prototype, utils.EventEmitter.prototype, {
+_.extend(DictStore.prototype, EventEmitter.prototype, {
     update: function (dict) {
         _.merge(this.dict, dict);
         this.emit("recalculate");

web/src/js/store/view.js

@@ -1,5 +1,8 @@
+
+var EventEmitter = require('events').EventEmitter;
 var _ = require("lodash");
 
+
 var utils = require("../utils.js");
 
 function SortByStoreOrder(elem) {
@@ -12,7 +15,7 @@ var default_filt = function(elem){
 };
 
 function StoreView(store, filt, sortfun) {
-    utils.EventEmitter.call(this);
+    EventEmitter.call(this);
     filt = filt || default_filt;
     sortfun = sortfun || default_sort;
 
@@ -30,7 +33,7 @@ function StoreView(store, filt, sortfun) {
     this.recalculate(filt, sortfun);
 }
 
-_.extend(StoreView.prototype, utils.EventEmitter.prototype, {
+_.extend(StoreView.prototype, EventEmitter.prototype, {
     close: function () {
         this.store.removeListener("add", this.add);
         this.store.removeListener("update", this.update);

web/src/js/utils.js

@@ -53,37 +53,6 @@ var formatTimeStamp = function (seconds) {
 };
 
 
-function EventEmitter() {
-    this.listeners = {};
-}
-EventEmitter.prototype.emit = function (event) {
-    if (!(event in this.listeners)) {
-        return;
-    }
-    var args = Array.prototype.slice.call(arguments, 1);
-    this.listeners[event].forEach(function (listener) {
-        listener.apply(this, args);
-    }.bind(this));
-};
-EventEmitter.prototype.addListener = function (events, f) {
-    events.split(" ").forEach(function (event) {
-        this.listeners[event] = this.listeners[event] || [];
-        this.listeners[event].push(f);
-    }.bind(this));
-};
-EventEmitter.prototype.removeListener = function (events, f) {
-    if (!(events in this.listeners)) {
-        return false;
-    }
-    events.split(" ").forEach(function (event) {
-        var index = this.listeners[event].indexOf(f);
-        if (index >= 0) {
-            this.listeners[event].splice(index, 1);
-        }
-    }.bind(this));
-};
-
-
 function getCookie(name) {
     var r = document.cookie.match("\\b" + name + "=([^;]*)\\b");
     return r ? r[1] : undefined;
@@ -109,7 +78,6 @@ $(document).ajaxError(function (event, jqXHR, ajaxSettings, thrownError) {
 });
 
 module.exports = {
-    EventEmitter: EventEmitter,
     formatSize: formatSize,
     formatTimeDelta: formatTimeDelta,
     formatTimeStamp: formatTimeStamp,