UiComponentGenerator.php

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<?php
namespace Magento\Ui\Model;

use Magento\Framework\View\Element\UiComponent\ContextFactory;
use Magento\Framework\View\Element\UiComponentFactory;
use Magento\Framework\View\Element\UiComponentInterface;

class UiComponentGenerator
{
    private $contextFactory;

    private $uiComponentFactory;

    public function __construct(
        ContextFactory $contextFactory,
        UiComponentFactory $uiComponentFactory
    ) {
        $this->contextFactory = $contextFactory;
        $this->uiComponentFactory = $uiComponentFactory;
    }

    public function generateUiComponent($name, \Magento\Framework\View\LayoutInterface $layout)
    {
        $context = $this->contextFactory->create([
            'namespace' => $name,
            'pageLayout' => $layout,
        ]);

        $component = $this->uiComponentFactory->create(
            $name,
            null,
            [
                'context' => $context
            ]
        );
        return $this->prepareComponent($component);
    }

    private function prepareComponent(UiComponentInterface $component)
    {
        $childComponents = $component->getChildComponents();
        if (!empty($childComponents)) {
            foreach ($childComponents as $child) {
                $this->prepareComponent($child);
            }
        }
        $component->prepare();

        return $component;
    }
}