The problem is you are posting this query on a wrong forum. This forum is for Yii 2.0 discussions. You may want to check the JQuery or the related plugin’s forums for this to get a better response.
From a point of view of concepts of developing extensions in Yii2 read the following:
usage of namespaces in PHP 5.4
composer package manager - what it is and how its used in Yii 2
concepts when upgrading from Yii 1 to Yii2
You can then start by reading the extensions guide/doc for Yii2.
Concepts of assets and asset bundles in Yii 2.
Since its jquery or jquery ui related, you can take a look at yii’s inbuilt yii2-jui extension. Something like the JUI DatePicker to understand how to develop extensions.
You can take a look at few of the extensions I developed if its useful for you as well: