From 769dc205fb56fa8f9442f68907eb9598caea52bd Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Tue, 19 Feb 2019 22:49:25 -0500
Subject: Make extension badge and onCommand optional

---
 ext/bg/js/backend.js | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

(limited to 'ext/bg/js')

diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 01340419..c191a150 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -28,7 +28,9 @@ class Backend {
         await this.translator.prepare();
         await apiOptionsSet(await optionsLoad());
 
-        chrome.commands.onCommand.addListener(this.onCommand.bind(this));
+        if (chrome.commands !== null && typeof chrome.commands === 'object') {
+            chrome.commands.onCommand.addListener(this.onCommand.bind(this));
+        }
         chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
 
         if (this.options.general.showGuide) {
@@ -40,13 +42,13 @@ class Backend {
         this.options = utilIsolate(options);
 
         if (!options.general.enable) {
-            chrome.browserAction.setBadgeBackgroundColor({color: '#555555'});
-            chrome.browserAction.setBadgeText({text: 'off'});
+            this.setExtensionBadgeBackgroundColor('#555555');
+            this.setExtensionBadgeText('off');
         } else if (!dictConfigured(options)) {
-            chrome.browserAction.setBadgeBackgroundColor({color: '#f0ad4e'});
-            chrome.browserAction.setBadgeText({text: '!'});
+            this.setExtensionBadgeBackgroundColor('#f0ad4e');
+            this.setExtensionBadgeText('!');
         } else {
-            chrome.browserAction.setBadgeText({text: ''});
+            this.setExtensionBadgeText('');
         }
 
         if (options.anki.enable) {
@@ -125,6 +127,18 @@ class Backend {
 
         return true;
     }
+
+    setExtensionBadgeBackgroundColor(color) {
+        if (typeof chrome.browserAction.setBadgeBackgroundColor === 'function') {
+            chrome.browserAction.setBadgeBackgroundColor({color});
+        }
+    }
+    
+    setExtensionBadgeText(text) {
+        if (typeof chrome.browserAction.setBadgeText === 'function') {
+            chrome.browserAction.setBadgeText({text});
+        }
+    }
 }
 
 window.yomichan_backend = new Backend();
-- 
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