Fix crash when removing a listener

// FREEBIE
9 years ago · 75b2c9c5de
parent f7c4fd2fed
commit 75b2c9c5de
2 changed files with 12 additions and 8 deletions
--- a/js/libtextsecure.js
+++ b/js/libtextsecure.js
@ -36242,10 +36242,12 @@ window.textsecure.utils = function() {
                this.listeners = {};
            }
            var listeners = this.listeners[eventName];
-            for (var i=0; i < listeners.length; ++ i) {
-                if (listeners[i] === callback) {
-                    listeners.splice(i, 1);
-                    return;
+            if (typeof listeners === 'object') {
+                for (var i=0; i < listeners.length; ++ i) {
+                    if (listeners[i] === callback) {
+                        listeners.splice(i, 1);
+                        return;
+                    }
                }
            }
            this.listeners[eventName] = listeners;
--- a/libtextsecure/event_target.js
+++ b/libtextsecure/event_target.js
@ -59,10 +59,12 @@
                this.listeners = {};
            }
            var listeners = this.listeners[eventName];
-            for (var i=0; i < listeners.length; ++ i) {
-                if (listeners[i] === callback) {
-                    listeners.splice(i, 1);
-                    return;
+            if (typeof listeners === 'object') {
+                for (var i=0; i < listeners.length; ++ i) {
+                    if (listeners[i] === callback) {
+                        listeners.splice(i, 1);
+                        return;
+                    }
                }
            }
            this.listeners[eventName] = listeners;