Custom checkout form validation for Magento 2

The module for add custom validation to checkout form field.

Installation

1. Go to Magento 2 root directory

2. Install module:

• Download the latest version here
• Extract master.zip file to root folder.
• Go to Magento root folder and run upgrade command line to install Mital_Checkout:

3. Enter following commands to enable module:

   php bin/magento module:enable Mital_Checkout php bin/magento setup:upgrade php bin/magento cache:clean

Add or edit validation for fields via below file

1. Go to /app/code/Mital/Checkout/view/frontend/web/js/validator-mixin.js