From a50ce724eb70f54f8e62207ec2630997967f36d7 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Fri, 23 Aug 2019 15:41:41 -0400
Subject: [PATCH 1/2] Suppress messages about unchecked runtime.lastError

---
 ext/bg/js/backend.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index d49286d0..d95cb82d 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -57,9 +57,10 @@ class Backend {
             this.anki = new AnkiNull();
         }
 
+        const callback = () => this.checkLastError(chrome.runtime.lastError);
         chrome.tabs.query({}, tabs => {
             for (const tab of tabs) {
-                chrome.tabs.sendMessage(tab.id, {action: 'optionsSet', params: options}, () => null);
+                chrome.tabs.sendMessage(tab.id, {action: 'optionsSet', params: options}, callback);
             }
         });
     }
@@ -147,6 +148,10 @@ class Backend {
             chrome.browserAction.setBadgeText({text});
         }
     }
+
+    checkLastError(e) {
+        // NOP
+    }
 }
 
 window.yomichan_backend = new Backend();

From c49f3c78383350b250c1dd823559bb8231f76e54 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sun, 25 Aug 2019 11:08:13 -0400
Subject: [PATCH 2/2] Suppress messages about unchecked runtime.lastError on
 Firefox Mobile

---
 ext/fg/js/util.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ext/fg/js/util.js b/ext/fg/js/util.js
index 954b3988..7518beb5 100644
--- a/ext/fg/js/util.js
+++ b/ext/fg/js/util.js
@@ -27,6 +27,7 @@ function utilInvoke(action, params={}) {
     return new Promise((resolve, reject) => {
         try {
             chrome.runtime.sendMessage({action, params}, (response) => {
+                utilCheckLastError(chrome.runtime.lastError);
                 if (response !== null && typeof response === 'object') {
                     if (response.error) {
                         reject(response.error);
@@ -43,3 +44,7 @@ function utilInvoke(action, params={}) {
         }
     });
 }
+
+function utilCheckLastError(e) {
+    // NOP
+}