JQuery.Migrate saves the day with Telerik UI for ASP.NET MVC

The relentless pace with which libraries, and dependent javascript resources now change,  is quite difficult to keep up with – particularly when you’re attempting to be frugal and use open source projects like Telerik UI for ASP.NET MVC – which basically got dropped in 2013, and replaced by Kendo UI.

The basic problem is that when you’re using libraries like these, that depend quite a bit on things like JQuery, and get subsequently dropped – you can be left in a bit of an upgrade quandary.

It’s tempting to go to NuGet, and just ‘update all’ libraries you’re using, but all sorts of bad things can happen if you get a little trigger happy on that function.  The Telerik components for instance expect JQuery 1.7.1 (which is a 2012 version).  I now want to use Bootstrap to create a responsive theme, and that’s wanting JQuery 2.x.  I’d tried to update to a later JQuery version previously and basically the whole deal broke – almost all components were using deprecated JQuery features.  I was considering going through the code and patching where required, but I don’t have that kind of time.

Whilst looking for deprecated features on the JQuery API doco, I saw mention of JQuery.Migrate plugin – which basically fills in those gaps for you.  I then picked up the package in NuGet, added to my Bundle config (right under JQuery)

 bundles.Add(new ScriptBundle("~/bundles/jquery").Include(
 "~/Scripts/jquery-{version}.js",
 "~/Scripts/jquery-migrate-1.2.1.js",
 "~/Scripts/jquery.cookie.js",
 "~/Scripts/jquery.imagemapster.js",
 "~/Scripts/jquery.tooltipster.js"));

Stopped the site in IIS Express, restarted, and everything just magically started working again!

Now – I just have to get the responsive stuff singing and dancing with BootStrap :)

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