test.php

<?php
require_once './vendor/autoload.php';

use HardeepVicky\QueryBuilder\QuerySelect;
use HardeepVicky\QueryBuilder\Join;
use Symfony\Component\VarDumper\VarDumper;

$qb = new QuerySelect("legder_sales", "Legder");

$qb->field("id");
$qb->join(Join::init("INNER JOIN", "legder_voucher_type_id", "legder_voucher_types", "LegderVoucherType", "id"));

$legder_detail_join = Join::init("LEFT JOIN", "id", "legder_sale_details", "LegderDetail", "legder_sale_id")->noField();

$product_join = Join::init("LEFT JOIN", "product_id", "products", "Product", "id");
$product_join->join(
        Join::init("LEFT JOIN", "id", "product_files", "ProductFile", "product_id")->noField()
        ->join(Join::init("LEFT JOIN", "image_id", "images", "ProductFileImage", "id"))
);

$product_join->join(Join::init("LEFT JOIN", "category_id", "categories", "Category", "id")->field("name"));

$legder_detail_join->join($product_join);
$legder_detail_join->join(Join::init("LEFT JOIN", "item_id", "items", "Item", "id"));

$qb->join($legder_detail_join);
        
VarDumper::dump($qb->get());