From da5ca2e1888906f3ff257a60a478c535fc47357c Mon Sep 17 00:00:00 2001
From: Thomas Weber <muffin@muffin.ink>
Date: Sat, 4 Jun 2022 19:48:53 -0500
Subject: [PATCH] Handle postMessage() errors

---
 src/p4/import-project-from-opener.js | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/p4/import-project-from-opener.js b/src/p4/import-project-from-opener.js
index 0676597..e70cae7 100644
--- a/src/p4/import-project-from-opener.js
+++ b/src/p4/import-project-from-opener.js
@@ -15,9 +15,16 @@ const importProjectFromOpener = ({
     return;
   }
 
-  const post = (data) => opener.postMessage({
-    p4: data
-  }, origin);
+  const post = (data) => {
+    // postMessage could throw if origin is invalid
+    try {
+      opener.postMessage({
+        p4: data
+      }, origin);
+    } catch (e) {
+      console.warn('Cannot post message', e);
+    }
+  };
 
   let hasStarted = false;
   let hasFinishedOrCancelled = false;