How to override shipping-rates-validator.js ?

i want to over ride below file in my extension.

vendor\magento\module-checkout\view\frontend\web\js\model\shipping-rates-validator.js

any guide?

http://devdocs.magento.com/guides/v2.0/howdoi/checkout/checkout_carrier.html

Copy the path Magento_Checkout/web/js/model/shipping-rates-validator. to your theme > edit !