tracker: safety checks for message listeners, release 14.0.8

tracker/tracker/CHANGELOG.md

@@ -1,6 +1,7 @@
 # 14.0.8
 
 - use separate library to handle network requests ([@openreplay/network-proxy](https://www.npmjs.com/package/@openreplay/network-proxy))
+- fixes for window.message listeners
 
 # 14.0.7
 

tracker/tracker/package.json

@@ -50,7 +50,7 @@
   },
   "dependencies": {
     "@medv/finder": "^3.2.0",
-    "@openreplay/network-proxy": "^1.0.2",
+    "@openreplay/network-proxy": "^1.0.3",
     "error-stack-parser": "^2.0.6",
     "fflate": "^0.8.2"
   },

tracker/tracker/src/main/app/index.ts

@@ -360,6 +360,7 @@ export default class App {
       let crossdomainFrameCount = 0
       const catchIframeMessage = (event: MessageEvent) => {
         const { data } = event
+        if (!data) return
         if (data.line === proto.iframeSignal) {
           const childIframeDomain = data.domain
           const pageIframes = Array.from(document.querySelectorAll('iframe'))
@@ -453,6 +454,7 @@ export default class App {
     } else {
       const catchParentMessage = (event: MessageEvent) => {
         const { data } = event
+        if (!data) return
         if (data.line !== proto.iframeId) {
           return
         }