## Description <!-- Please provide a clear and concise explanation of the new feature you would like to be supported. Example: Add support for CSS Shadow Parts --> good morning .Please...... 🙏🙏🥺 -i use [vitejs](https://vitejs.dev/ ) and [example with vitejs and vanilla js:](https://github.com/moonhuntercode/custom-vanillajs-project) with es6 modules , and i need more information about ,how to make possible this polyfills compatible with this [template made for me,](https://github.com/moonhuntercode/web-components-with-es6-vitejs) ## Motivation <!-- Please provide a concrete explanation of the use-cases that this feature will help you achieve. Example: I would like the users of my date-picker custom element to have full control over the style of the calendar in all browsers. -->