[WooCommerce] Add Endpoint (YITH wishlist for example)

functions.php

<?php

// add wishlist endpoint
function ching_add_wishlist_endpoint() {
  add_rewrite_endpoint( 'wishlist', EP_ROOT | EP_PAGES );
}
add_action( 'init', 'ching_add_wishlist_endpoint' );

function ching_wishlist_query_vars( $vars ) {
    $vars[] = 'wishlist';
    return $vars;
}
add_filter( 'query_vars', 'ching_wishlist_query_vars', 0 );

// WooCommerce my account order
function ching_woo_my_account_order( $menu_links ) {
	$menu_links = array(
// 		'dashboard'          => __( '控制台', 'woocommerce' ),
		'orders'             => __( '訂單', 'woocommerce' ),
		'wishlist'           => __( '收藏清單', 'woocommerce' ),
		'edit-address'       => __( '地址', 'woocommerce' ),
		'edit-account'       => __( '帳戶詳細資訊', 'woocommerce' ),
		'customer-logout'    => __( '登出', 'woocommerce' ),
	);
	unset( $menu_links['kol'] );
	return $menu_links;
}
add_filter ( 'woocommerce_account_menu_items', 'ching_woo_my_account_order', 99 );

function ching_wishlist_content() {
  echo do_shortcode( '[yith_wcwl_wishlist]' );
}
add_action( 'woocommerce_account_wishlist_endpoint', 'ching_wishlist_content' );