Coupons filter » coupons

snippet.js

const { registerCheckoutFilters } = window.wc.blocksCheckout;

// Replace coupon label for matching coupon(s).
registerCheckoutFilters( 'example-extension', {
	coupons: ( coupons ) => {
		return coupons.map( ( coupon ) => {
			// Regex to match autocoupon then unlimited undersores and numbers
			if ( ! coupon.label.match( /autocoupon(?:_\d+)+/ ) ) {
				return coupon;
			}
			return {
				...coupon,
				label: 'Automatic coupon',
			};
		} );
	}
} );