Add WooCommerce Social Login "Link Account" buttons shortcode

wc-social-login-link-shortcode.php

// Adds the [wc_social_login_link_account_buttons] shortcode to display "Link Account" buttons where used
function woocommerce_social_login_link_account_shortcode( $atts ) {
	
	// Buffer output
	ob_start();
	
	if( ! is_user_logged_in() ) {
	    
	    // Text shown if a user is not logged in. Edit as needed.
		echo 'You must be a customer to link a social account.';
		
	}
	
	// Shows "link account" buttons, which are shown only to logged-in users
	woocommerce_social_login_link_account_buttons();
	
	// Return buffered contents
	return ob_get_clean();
}
add_shortcode( 'wc_social_login_link_account_buttons', 'woocommerce_social_login_link_account_shortcode' );