From 11c9f20ea8e15cb5ef51c5cab0863d311ac00025 Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Fri, 20 Apr 2018 18:08:43 +0200
Subject: moebius#219: WebExtensions - add-on throws error on load when
 suggested_key is null / missing

https://github.com/MoonchildProductions/moebius/pull/219
---
 browser/components/webextensions/ext-commands.js | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

(limited to 'browser')

diff --git a/browser/components/webextensions/ext-commands.js b/browser/components/webextensions/ext-commands.js
index 416544e86..3f0bf8d1a 100644
--- a/browser/components/webextensions/ext-commands.js
+++ b/browser/components/webextensions/ext-commands.js
@@ -74,15 +74,14 @@ CommandList.prototype = {
     // For Windows, chrome.runtime expects 'win' while chrome.commands
     // expects 'windows'.  We can special case this for now.
     let os = PlatformInfo.os == "win" ? "windows" : PlatformInfo.os;
-    for (let name of Object.keys(manifest.commands)) {
-      let command = manifest.commands[name];
-      let shortcut = command.suggested_key[os] || command.suggested_key.default;
-      if (shortcut) {
-        commands.set(name, {
-          description: command.description,
-          shortcut: shortcut.replace(/\s+/g, ""),
-        });
-      }
+    for (let [name, command] of Object.entries(manifest.commands)) {
+      let suggested_key = command.suggested_key || {};
+      let shortcut = suggested_key[os] || suggested_key.default;
+      shortcut = shortcut ? shortcut.replace(/\s+/g, "") : null;
+      commands.set(name, {
+        description: command.description,
+        shortcut,
+      });
     }
     return commands;
   },
@@ -96,8 +95,10 @@ CommandList.prototype = {
     let keyset = doc.createElementNS(XUL_NS, "keyset");
     keyset.id = `ext-keyset-id-${this.id}`;
     this.commands.forEach((command, name) => {
-      let keyElement = this.buildKey(doc, name, command.shortcut);
-      keyset.appendChild(keyElement);
+      if (command.shortcut) {
+        let keyElement = this.buildKey(doc, name, command.shortcut);
+        keyset.appendChild(keyElement);
+      }
     });
     doc.documentElement.appendChild(keyset);
     this.keysetsMap.set(window, keyset);
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