Jilt for WooCommerce - watch an email input and automatically set the customer when populated

jilt-for-wc-watch-email.php

<?php
add_action( 'init', 'jilt_for_wc_add_custom_email_capture' );
function jilt_for_wc_add_custom_email_capture() {
	if ( function_exists( 'wc_enqueue_js' ) ) {
ob_start();
?>

$(window).load(function() {
var opts = {
callback: function (value) {
if ( JiltStorefront.Helpers.isValidEmail( value ) )
{ jilt.setCustomer({email: value }); }
},
wait: 750, highlight: false, allowSubmit: false, captureLength: 6 };
$('input[name="wof-email"]').typeWatch( opts );
});
<?php
		wc_enqueue_js( ob_get_clean() );
	}
}