guard against typeError for unsupported notification APIs

4 years ago · 0e0c0fd655
parent 0f883adafb
commit 0e0c0fd655
1 changed files with 2 additions and 0 deletions
--- a/www/common/notify.js
+++ b/www/common/notify.js
@ -16,6 +16,8 @@ define(['/api/config'], function (ApiConfig) {

    var getPermission = Module.getPermission = function (f) {
        f = f || function () {};
+        // "Notification.requestPermission is not a function" on Firefox 68.11.0esr
+        if (!Notification || typeof(Notification.requestPermission) !== 'function') { return void f(false); }
        Notification.requestPermission(function (permission) {
            if (permission === "granted") { f(true); }
            else { f(false); }