Merge pull request #101 from AlexeyLyndin/master

perform type check firstly to avoid illegal access to mixins object

index.js

@@ -75,17 +75,21 @@ var SmartBanner = function (options) {
 	// - user is on mobile safari for ios 6 or greater (iOS >= 6 has native support for SmartAppBanner)
 	// - running on standalone mode
 	// - user dismissed banner
+	var unsupported = !this.type || !this.options.store[this.type];
+	if (unsupported) {
+		return;
+	}
+
 	this.appMeta = mixins[this.type].appMeta;
 	this.parseAppId();
 
-	var unsupported = !this.type || !this.options.store[this.type];
 	var isMobileSafari = (this.type === 'ios' && agent.browser.name === 'Mobile Safari' && parseInt(agent.os.version, 10) >= 6);
 
 	var runningStandAlone = navigator.standalone;
 	var userDismissed = cookie.get(this.appId + '-smartbanner-closed');
 	var userInstalled = cookie.get(this.appId + '-smartbanner-installed');
 
-	if (unsupported || isMobileSafari || runningStandAlone || userDismissed || userInstalled) {
+	if (isMobileSafari || runningStandAlone || userDismissed || userInstalled) {
 		return;
 	}