Revert "Make the code more DRY and more flexible using EventEmitter2."

This reverts commit 37457e2.

lib/CoreBot.js

@@ -8,10 +8,9 @@ var simple_storage = require(__dirname + '/storage/simple_storage.js');
 var ConsoleLogger = require(__dirname + '/console_logger.js');
 var LogLevels = ConsoleLogger.LogLevels;
 
-var EE = require(__dirname + '/events.js');
-
 function Botkit(configuration) {
     var botkit = {
+        events: {}, // this will hold event handlers
         config: {}, // this will hold the configuration
         tasks: [],
         taskCount: 0,
@@ -34,6 +33,8 @@ function Botkit(configuration) {
         this.sent = [];
         this.transcript = [];
 
+        this.events = {};
+
         this.vars = {};
 
         this.topics = {};
@@ -139,7 +140,30 @@ function Botkit(configuration) {
         };
 
 
-        EE.extendObject(this, EE.create({newListener : true}));
+        this.on = function(event, cb) {
+            botkit.debug('Setting up a handler for', event);
+            var events = event.split(/\,/g);
+            for (var e in events) {
+                if (!this.events[events[e]]) {
+                    this.events[events[e]] = [];
+                }
+                this.events[events[e]].push(cb);
+            }
+            return this;
+        };
+
+        this.trigger = function(event, data) {
+            if (this.events[event]) {
+                for (var e = 0; e < this.events[event].length; e++) {
+                    var res = this.events[event][e].apply(this, data);
+                    if (res === false) {
+                        return;
+                    }
+                }
+            } else {
+                botkit.debug('No handler for ', event);
+            }
+        };
 
         // proceed to the next message after waiting for an answer
         this.next = function() {
@@ -391,6 +415,7 @@ function Botkit(configuration) {
         this.botkit = botkit;
         this.bot = bot;
 
+        this.events = {};
         this.source_message = message;
         this.status = 'active';
         this.startTime = new Date();
@@ -437,7 +462,31 @@ function Botkit(configuration) {
 
         };
 
-        EE.extendObject(this, EE.create({newListener : true}));
+        this.on = function(event, cb) {
+            botkit.debug('Setting up a handler for', event);
+            var events = event.split(/\,/g);
+            for (var e in events) {
+                if (!this.events[events[e]]) {
+                    this.events[events[e]] = [];
+                }
+                this.events[events[e]].push(cb);
+            }
+            return this;
+        };
+
+        this.trigger = function(event, data) {
+            if (this.events[event]) {
+                for (var e = 0; e < this.events[event].length; e++) {
+                    var res = this.events[event][e].apply(this, data);
+                    if (res === false) {
+                        return;
+                    }
+                }
+            } else {
+                botkit.debug('No handler for ', event);
+            }
+        };
+
 
         this.getResponsesByUser = function() {
 
@@ -589,7 +638,31 @@ function Botkit(configuration) {
         return this;
     };
 
-    EE.extendObject(botkit, EE.create({newListener : true}));
+    botkit.on = function(event, cb) {
+        botkit.debug('Setting up a handler for', event);
+        var events = (typeof(event) == 'string') ? event.split(/\,/g) : event;
+
+        for (var e in events) {
+            if (!this.events[events[e]]) {
+                this.events[events[e]] = [];
+            }
+            this.events[events[e]].push(cb);
+        }
+        return this;
+    };
+
+    botkit.trigger = function(event, data) {
+        if (this.events[event]) {
+            for (var e = 0; e < this.events[event].length; e++) {
+                var res = this.events[event][e].apply(this, data);
+                if (res === false) {
+                    return;
+                }
+            }
+        } else {
+            botkit.debug('No handler for ', event);
+        }
+    };
 
     botkit.startConversation = function(bot, message, cb) {
         botkit.startTask(bot, message, function(task, convo) {

package.json

@@ -5,8 +5,6 @@
   "main": "lib/Botkit.js",
   "dependencies": {
     "body-parser": "^1.14.2",
-    "debug": "2.2.0",
-    "eventemitter2": "0.4.14",
     "express": "^4.13.3",
     "jfs": "^0.2.6",
     "mustache": "^2.2.1",