SERVER-2283: Set api.domain in settings automatically.

Added undefined control for countlyGlobal.domain and fixed eslint rules.

Author: pnrgenc

plugins/plugins/frontend/public/javascripts/countly.views.js

@@ -1733,11 +1733,11 @@ $(document).ready(function() {
         app.addMenu("management", {code: "configurations", url: "#/manage/configurations", text: "plugins.configs", icon: '<div class="logo-icon ion-android-options"></div>', priority: 40});
 
         var isCurrentHostnameIP = /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(window.location.hostname);
-        if (!isCurrentHostnameIP && countlyGlobal.domain === "") {
+        var isGlobalDomainHasValue = countlyGlobal.domain === "" || typeof countlyGlobal.domain === "undefined" ? false : true;
+        if (!isCurrentHostnameIP && !isGlobalDomainHasValue) {
             countlyPlugins.updateConfigs({"api": {"domain": window.location.hostname}}, function(err) {
                 if (err) {
                     // throw err
-                    console.log('An error has occurred: ', err);
                 }
             });
         }