This repo contains an example app that uses checkout UI extensions to implement client-side validation using JavaScript.
For more information, and for a walkthrough of this code, review our tutorial: Build a pre-purchase product offer checkout extension
This example app is also available with a React extension.
To run this app locally, clone the repository, and then follow our Work on an existing app tutorial to install the project dependencies and preview the app.
This repository is for example purposes only. It doesn't accept issues or contributions.