From 5afad35c4e2d37a634ac42da3fa3a0fd8837384e Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sat, 11 Jan 2020 15:34:12 -0500
Subject: Fix _onApiGetZoom when chrome.tabs.getZoom is not available

---
 ext/bg/js/backend.js | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'ext/bg')

diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 4e6c59df..f9322959 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -542,6 +542,15 @@ class Backend {
 
         return new Promise((resolve, reject) => {
             const tabId = sender.tab.id;
+            if (!(
+                chrome.tabs !== null &&
+                typeof chrome.tabs === 'object' &&
+                typeof chrome.tabs.getZoom === 'function'
+            )) {
+                // Not supported
+                resolve({zoomFactor: 1.0});
+                return;
+            }
             chrome.tabs.getZoom(tabId, (zoomFactor) => {
                 const e = chrome.runtime.lastError;
                 if (e) {
-- 
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